Czech, H.; Heide, J.; Ehlert, S.; Koziorowski, T.; Zimmermann, R. Smart Online Coffee Roasting Process Control: Modelling Coffee Roast Degree and Brew Antioxidant Capacity for Real-Time Prediction by Resonance-Enhanced Multi-Photon Ionization Mass Spectrometric (REMPI-TOFMS) Monitoring of Roast Gases. Foods (Basel, Switzerland) 2020, 9.

Deng, N.; Ehlert, S.; Cui, H.; Xie, F.; Heide, J.; Li, B.; Liu, C.; McAdam, K.; Walte, A.; Zimmermann, R. Integration of Time and Spatially Resolved In-Situ Temperature and Pressure Measurements With Soft Ionisation Mass Spectrometry Inside Burning Superslim and King-Size Cigarettes. Beiträge zur Tabakforschung International/Contributions to Tobacco Research 2020, 29, 44–54.

Dhahak, A.; Grimmer, C.; Neumann, A.; Rüger, C.; Sklorz, M.; Streibel, T.; Zimmermann, R.; Mauviel, G.; Burkle-Vitzthum, V. Real time monitoring of slow pyrolysis of polyethylene terephthalate (PET) by different mass spectrometric techniques. Waste management (New York, N.Y.) 2020, 106, 226–239.

Esmaeilirad, S.; Lai, A.; Abbaszade, G.; Schnelle-Kreis, J.; Zimmermann, R.; Uzu, G.; Daellenbach, K.; Canonaco, F.; Hassankhany, H.; Arhami, M.; Baltensperger, U.; Prévôt, A. S. H.; Schauer, J. J.; Jaffrezo, J.-L.; Hosseini, V.; El Haddad, I. Source apportionment of fine particulate matter in a Middle Eastern Metropolis, Tehran-Iran, using PMF with organic and inorganic markers. The Science of the total environment 2020, 705, 135330.

Gröger, T. M., Käfer, U., Zimmermann, R., Gas chromatography in combination with fast high-resolution time-of-flight mass spectrometry: Technical overview and perspectives for data visualization, TrAC - Trends in Analytical Chemistry, 2020, 122

Hartikainen, A.; Tiitta, P.; Ihalainen, M.; Yli-Pirilä, P.; Orasche, J.; Czech, H.; Kortelainen, M.; Lamberg, H.; Suhonen, H.; Koponen, H.; Hao, L.; Zimmermann, R.; Jokiniemi, J.; Tissari, J.; Sippula, O. Photochemical transformation of residential wood combustion emissions: dependence of organic aerosol composition on OH exposure. Atmos. Chem. Phys. 2020, 20, 6357–6378.

Heide, J.; Czech, H.; Ehlert, S.; Koziorowski, T.; Zimmermann, R. Toward Smart Online Coffee Roasting Process Control: Feasibility of Real-Time Prediction of Coffee Roast Degree and Brew Antioxidant Capacity by Single-Photon Ionization Mass Spectrometric Monitoring of Roast Gases. Journal of agricultural and food chemistry 2020, 68, 4752–4759.

Hertz-Schünemann, R.; Ehlert, S.; Streibel, T.; Liu, C.; McAdam, K.; Baker, R. R.; Zimmermann, R. High-resolution time and spatial imaging of tobacco and its pyrolysis products during a cigarette puff by microprobe sampling photoionisation mass spectrometry. Analytical and bioanalytical chemistry 2015, 407, 2293–2299.

Ihantola, T.; Di Bucchianico, S.; Happo, M.; Ihalainen, M.; Uski, O.; Bauer, S.; Kuuspalo, K.; Sippula, O.; Tissari, J.; Oeder, S.; Hartikainen, A.; Rönkkö, T. J.; Martikainen, M.-V.; Huttunen, K.; Vartiainen, P.; Suhonen, H.; Kortelainen, M.; Lamberg, H.; Leskinen, A.; Sklorz, M.; Michalke, B.; Dilger, M.; Weiss, C.; Dittmar, G.; Beckers, J.; Irmler, M.; Buters, J.; Candeias, J.; Czech, H.; Yli-Pirilä, P.; Abbaszade, G.; Jakobi, G.; Orasche, J.; Schnelle-Kreis, J.; Kanashova, T.; Karg, E.; Streibel, T.; Passig, J.; Hakkarainen, H.; Jokiniemi, J.; Zimmermann, R.; Hirvonen, M.-R.; Jalava, P. I. Influence of wood species on toxicity of log-wood stove combustion aerosols: a parallel animal and air-liquid interface cell exposure study on spruce and pine smoke. Particle and fibre toxicology 2020, 17, 27.

Karg, E. W.; Ferron, G. A.; Bauer, S.; Di Bucchianico, S.; Zimmermann, R. Is the particle deposition in a cell exposure facility comparable to the lungs? A computer model approach. Aerosol Science and Technology 2020, 54, 668–684.

Li, C.; He, Q.; Hettiyadura, A. P. S.; Käfer, U.; Shmul, G.; Meidan, D.; Zimmermann, R.; Brown, S. S.; George, C.; Laskin, A.; Rudich, Y. Formation of Secondary Brown Carbon in Biomass Burning Aerosol Proxies through NO3 Radical Reactions. Environmental science & technology 2020, 54, 1395–1405.

Liu, X.; Huang, H.; Jiang, Y.; Wang, T.; Xu, Y.; Abbaszade, G.; Schnelle-Kreis, J.; Zimmermann, R. Assessment of German population exposure levels to PM10 based on multiple spatial-temporal data. Environmental science and pollution research international 2020, 27, 6637–6648.

Liu, X.;Schnelle-Kreis, J.; Zhang, X.; Bendl, J.; Khedr, M.; Jakobi, G.; Schloter-Hai, B.; Hovorka, J.; Zimmermann, R. Integration of air pollution data collected by mobile measurement to derive a preliminary spatiotemporal air pollution profile from two neighboring German-Czech border villages.The Science of the total environment 2020, 722, 137632.

Mason, Y. C.; Schoonraad, G.-L.; Orasche, J.; Bisig, C.; Jakobi, G.; Zimmermann, R.; Forbes, P. B.C. Comparative sampling of gas phase volatile and semi-volatile organic fuel emissions from a combustion aerosol standard system. Environmental Technology & Innovation 2020, 19, 100945

Münster-Müller, S.; Matzenbach, I.; Knepper, T.; Zimmermann, R.; Pütz, M. Profiling of synthesis-related impurities of the synthetic cannabinoid Cumyl-5F-PINACA in seized samples of e-liquids via multivariate analysis of UHPLC-MSn data. Drug testing and analysis 2020, 12, 119–126.

Münster-Müller, S.; Scheid, N.; Zimmermann, R.; Pütz, M. Combination of stable isotope ratio data and chromatographic impurity signatures as a comprehensive concept for the profiling of highly prevalent synthetic cannabinoids and their precursors. Analytica Chimica Acta 2020, 1108, 129–141.

Padoan, S.; Zappi, A.; Adam, T.; Melucci, D.; Gambaro, A.; Formenton, G.; Popovicheva, O.; Nguyen, D.-L.; Schnelle-Kreis, J.; Zimmermann, R. Organic molecular markers and source contributions in a polluted municipality of north-east Italy: Extended PCA-PMF statistical approach. Environmental research 2020, 186, 109587

Pardo, M.; Qiu, X.; Zimmermann, R.; Rudich, Y. Particulate Matter Toxicity Is Nrf2 and Mitochondria Dependent: The Roles of Metals and Polycyclic Aromatic Hydrocarbons. Chemical research in toxicology 2020, 33, 1110–1120.

Passig, J.; Schade, J.; Rosewig, E. I.; Irsig, R.; Kröger-Badge, T.; Czech, H.; Sklorz, M.; Streibel, T.; Li, L.; Li, X.; Zhuo, Z.; Fallgren, H.; Moldanova, J.; Zimmermann, R.; Resonance-enhanced detection of metals in aerosols using single-particle mass spectrometry. Atmos. Chem. Phys. 2020, 20, 7139–7152

Popovicheva, O.; Padoan, S.; Schnelle-Kreis, J.; Nguyen, D.-L.; Adam, T.; Kistler, M.; Steinkogler, T.; Kasper-Giebl, A.; Zimmermann, R.; Chubarova, N. Spring Aerosol in Urban Atmosphere of Megacity: Analytical and Statistical Assessment for Source Impacts. Aerosol Air Qual. Res. 2020, 20, 702–719.

Sánchez‐López, J. A.; Yener, S.; Smrke, S.; Märk, T. D.; Bonn, G.; Zimmermann, R.; Biasioli, F.; Yeretzian, C. Extraction kinetics of tea aroma compounds as a function brewing temperature, leaf size and water hardness. Flavour Fragr J 2020, 35, 365–375.



Corbin, J. C.; Czech, H.; Massabò, D.; Mongeot, F. B. de; Jakobi, G.; Liu, F.; Lobo, P.; Mennucci, C.; Mensah, A. A.; Orasche, J.; Pieber, S. M.; Prévôt, A. S. H.; Stengel, B.; Tay, L.-L.; Zanatta, M.; Zimmermann, R.; El Haddad, I.; Gysel, M. Infrared-absorbing carbonaceous tar can dominate light absorption by marine-engine exhaust. npj Clim Atmos Sci 2019, 2.

Gehm, C.; Streibel, T.; Ehlert, S.; Schulz-Bull, D.; Zimmermann, R. Development and Optimization of an External-Membrane Introduction Photoionization Mass Spectrometer for the Fast Analysis of (Polycyclic)Aromatic Compounds in Environmental and Process Waters. Analytical chemistry 2019, 91, 15547–15554.

Grimmer, C., Rüger, C. P., Streibel, T., Cuoq, F., Kwakkenbos, G., Cordova, M., Peñalver, R., Zimmermann, R., Description of Steam Cracker Fouling and Coking Residues by Thermal Analysis-Photoionization Mass Spectrometry, Energy and Fuels, 2019,

Huttunen, K., Wlodarczyk, A. J., Tirkkonen, J., Mikkonen, S., Täubel, M., Krop, E., Jacobs, J., Pekkanen, J., Heederik, D., Zock, J.-P., Hyvärinen, A., Hirvonen, M.-R., Adams, R., Jones, T., Zimmermann, R., BéruBé, K., Oxidative capacity and hemolytic activity of settled dust from moisture-damaged schools, Indoor Air, 2019, 29(2), pp. 299–307

Ihalainen, M., Tiitta, P., Czech, H., Yli-Pirilä, P., Hartikainen, A., Kortelainen, M., Tissari, J., Stengel, B., Sklorz, M., Suhonen, H., Lamberg, H., Leskinen, A., Kiendler-Scharr, A., Harndorf, H., Zimmermann, R., Jokiniemi, J., Sippula, O., A novel high-volume Photochemical Emission Aging flow tube Reactor (PEAR), Aerosol Science and Technology, 2019, 53(3), pp. 276–294

Jennerwein, M., Eschner, M., Wilharm, T., Gröger, T., Zimmermann, R., Evaluation of reversed phase versus normal phase column combination for the quantitative analysis of common commercial available middle distillates using GC × GC-TOFMS and Visual Basic Script, Fuel, 2019, 235, pp. 336–338

Jin, L., Xie, J., Wong, C.K.C., Chan, S.K.Y., Abbaszade, G., Schnelle-Kreis, J., Zimmermann, R., Li, J., Zhang, G., Fu, P., Li, X., Contributions of City-Specific Fine Particulate Matter (PM2.5) to Differential in Vitro Oxidative Stress and Toxicity Implications between Beijing and Guangzhou of China, Environmental Science and Technology, 2019, 53(5), pp. 2881–2891

Käfer, U., Gröger, T., Rohbogner, C. J., Struckmeier, D., Saraji-Bozorgzad, M. R., Wilharm, T., Zimmermann, R., Detailed Chemical Characterization of Bunker Fuels by High-Resolution Time-of-Flight Mass Spectrometry Hyphenated to GC × GC and Thermal Analysis, Energy and Fuels, 2019,

Käfer, U., Gröger, T., Rüger, C. P., Czech, H., Saraji-Bozorgzad, M., Wilharm, T., Zimmermann, R., Direct inlet probe – High-resolution time-of-flight mass spectrometry as fast technique for the chemical description of complex high-boiling samples, Talanta, 2019, 202, pp. 308–316

Li, C., He, Q., Schade, J., Passig, J., Zimmermann, R., Meidan, D., Laskin, A., Rudich, Y., Dynamic changes in optical and chemical properties of tar ball aerosols by atmospheric photochemical aging, Atmospheric Chemistry and Physics, 2019, 19(1), pp. 139–163

Liu, X., Schnelle-Kreis, J., Schloter-Hai, B., Ma, L., Tai, P., Cao, X., Yu, C., Adam, T., Zimmermann, R., Analysis of PAHs associated with PM10 and PM2.5 from different districts in Nanjing, Aerosol and Air Quality Research, 2019, 19(10), pp. 2294–2307

Miersch, T., Czech, H., Hartikainen, A., Ihalainen, M., Orasche, J., Abbaszade, G., Tissari, J., Streibel, T., Jokiniemi, J., Sippula, O., Zimmermann, R., Impact of photochemical ageing on Polycyclic Aromatic Hydrocarbons (PAH) and oxygenated PAH (Oxy-PAH/OH-PAH) in logwood stove emissions, Science of the Total Environment, 2019, 686, pp. 382–392

Miersch, T., Czech, H., Stengel, B., Abbaszade, G., Orasche, J., Sklorz, M., Streibel, T., Zimmermann, R., Composition of carbonaceous fine particulate emissions of a flexible fuel DISI engine under high velocity and municipal conditions, Fuel, 2019, 236, pp. 1465–1473

Miettinen, M., Leskinen, A., Abbaszade, G., Orasche, J., Sainio, M., Mikkonen, S., Koponen, H., Rönkkö, T., Ruusunen, J., Kuuspalo, K., Tiitta, P., Jalava, P., Hao, L., Fang, D., Wang, Q., Gu, C., Zhao, Y., Michalke, B., Schnelle-Kreis, J., Lehtinen, K.E.J., Zimmermann, R., Komppula, M., Jokiniemi, J., Hirvonen, M.-R., Sippula, O., PM2.5 concentration and composition in the urban air of Nanjing, China: Effects of emission control measures applied during the 2014 Youth Olympic Games, Science of the Total Environment, 2019, 652, pp. 1–18

Münster-Müller, S., Hansen, S., Opatz, T., Zimmermann, R., Pütz, M., Chemical profiling of the synthetic cannabinoid MDMB-CHMICA: Identification, assessment, and stability study of synthesis-related impurities in seized and synthesized samples, Drug Testing and Analysis, 2019, 11(8), pp. 1192–1206

Münster-Müller, S., Matzenbach, I., Knepper, T., Zimmermann, R., Pütz, M., Profiling of synthesis-related impurities of the synthetic cannabinoid Cumyl-5F-PINACA in seized samples of e-liquids via multivariate analysis of UHPLC−MSn data, Drug Testing and Analysis, 2019,

Munyeza, C. F., Kohlmeier, V., Dragan, G. C., Karg, E. W., Rohwer, E. R., Zimmermann, R., Forbes, P.B.C., Characterisation of particle collection and transmission in a polydimethylsiloxane based denuder sampler, Journal of Aerosol Science, 2019, 130, pp. 22–31

Reiss, R., Gruber, B., Klingbeil, S., Gröger, T., Ehlert, S., Zimmermann, R., Evaluation and application of gas chromatography - vacuum ultraviolet spectroscopy for drug- and explosive precursors and examination of non-negative matrix factorization for deconvolution, Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2019, 219, pp. 129–134

Schade, J., Passig, J., Irsig, R., Ehlert, S., Sklorz, M., Adam, T., Li, C., Rudich, Y., Zimmermann, R., Spatially Shaped Laser Pulses for the Simultaneous Detection of Polycyclic Aromatic Hydrocarbons as well as Positive and Negative Inorganic Ions in Single Particle Mass Spectrometry, Analytical Chemistry, 2019, 91(15), pp. 10282–10288



Alosmanov, R.M., Szuwarzyński, M., Schnelle-Kreis, J., Matuschek, G., Magerramov, A.M., Azizov, A.A., Zimmermann, R., Zapotoczny, S.; Magnetic nanocomposites based on phosphorus-containing polymers - Structural characterization and thermal analysis; Nanotechnology, 2018, 29(13),135708

Corbin, J.C., Mensah, A.A., Pieber, S.M., Orasche, J., Michalke, B., Zanatta, M., Czech, H., Massabò, D., Buatier De Mongeot, F., Mennucci, C., El Haddad, I., Kumar, N.K., Stengel, B., Huang, Y., Zimmermann, R., Prévôt, A.S.H., Gysel, M.; Trace Metals in Soot and PM2.5 from Heavy-Fuel-Oil Combustion in a Marine Engine; Environmental Science and Technology, 2018, 52(11), pp. 6714-6722

Corbin, J.C., Pieber, S.M., Czech, H., Zanatta, M., Jakobi, G., Massabò, D., Orasche, J., El Haddad, I., Mensah, A.A., Stengel, B., Drinovec, L., Mocnik, G., Zimmermann, R., Prévôt, A.S.H., Gysel, M.; Brown and Black Carbon Emitted by a Marine Engine Operated on Heavy Fuel Oil and Distillate Fuels: Optical Properties, Size Distributions, and Emission Factors; Journal of Geophysical Research: Atmospheres, 2018, 123(11), pp. 6175-6195

Cui, H., Ehlert, S., Xie, F., Heide, J., Deng, N., Li, B., Liu, C., McAdam, K., Walte, A., Zimmermann, R., Integration of time and spatially resolved in-situ temperature and pressure measurements with soft ionisation mass spectrometry inside a burning superslim cigarette, Journal of Analytical and Applied Pyrolysis, 135, pp. 310-318

Czech, H., Miersch, T., Orasche, J., Abbaszade, G., Sippula, O., Tissari, J.d, Michalke, B., Schnelle-Kreis, J., Streibel, T., Jokiniemi, J., Zimmermann, R. Chemical composition and speciation of particulate organic matter from modern residential small-scale wood combustion appliancesScience of the Total Environment, 2018, 612, pp. 636-648

Czech, H., Orasche, J., Miersch, T., Stengel, B., Buchholz, B., Streibel, T., Zimmermann, R.,  Umweltanalytik: Smoke on the Water: Rußpartikel aus Schiffen, Nachrichten aus der Chemie, 66(12), pp. 1170-1173

Efimova, A., Varga, J., Matuschek, G., Saraji-Bozorgzad, M.R., Denner, T., Zimmermann, R., Schmidt, P., Thermal Resilience of Imidazolium-Based Ionic Liquids - Studies on Short- and Long-Term Thermal Stability and Decomposition Mechanism of 1-Alkyl-3-methylimidazolium Halides by Thermal Analysis and Single-Photon Ionization Time-of-Flight Mass Spectrometry, Journal of Physical Chemistry, 122(37), pp. 8738-8749

Gehm, C., Streibel, T., Passig, J., Zimmermann, R., Determination of relative ionization cross sections for resonance enhanced multiphoton ionization of polycyclic aromatic hydrocarbons, Applied Sciences (Switzerland), 8(9), 1617

Hartikainen, A., Yli-Pirilä, P., Tiitta, P., Leskinen, A., Kortelainen, M., Orasche, J., Schnelle-Kreis, J., Lehtinen, K.E.J., Zimmermann, R., Jokiniemi, J., Sippula, O.; Volatile Organic Compounds from Logwood Combustion: Emissions and Transformation under Dark and Photochemical Aging Conditions in a Smog Chamber; Environmental Science and Technology, 2018, 52(8), pp. 4979-4988

Hauser, F.M., Hulshof, J.W., Rößler, T., Zimmermann, R., Pütz, M. Characterisation of aqueous waste produced during the clandestine production of amphetamine following the Leuckart route utilising solid-phase extraction gas chromatography-mass spectrometry and capillary electrophoresis with contactless conductivity detection Drug Testing and Analysis, 2018, in press

Hauser, F.M., Rößler, T., Hulshof, J.W., Weigel, D., Zimmermann, R., Pütz, M. Identification of specific markers for amphetamine synthesised from the pre-precursor APAAN following the Leuckart route and retrospective search for APAAN markers in profiling databases from Germany and the Netherlands, Drug Testing and Analysis, 2018, 10(4), pp. 671-680

Jia, J., Conlon, T.M., Sarker, R.S.J., Taşdemir, D., Smirnova, N.F., Srivastava, B., Verleden, S.E., Güneş, G., Wu, X., Prehn, C., Gao, J., Heinzelmann, K., Lintelmann, J., Irmler, M., Pfeiffer, S., Schloter, M., Zimmermann, R., Hrabé de Angelis, M., Beckers, J., Adamski, J., Bayram, H., Eickelberg, O., Yildirim, A.Ö.; Cholesterol metabolism promotes B-cell positioning during immune pathogenesis of chronic obstructive pulmonary disease; EMBO Molecular Medicine, 2018, 10(5),e8349

Kasurinen, S., Happo, M.S., Rönkkö, T.J., Orasche, J., Jokiniemi, J., Kortelainen, M., Tissari, J., Zimmermann, R. , Hirvonen, M.-R., Jalava, P.I.; Differences between co-cultures and monocultures in testing the toxicity of particulate matter derived from log wood and pellet combustion; PLoS ONE, 2018, 13(2),e0192453

Kistler, M., Muntean, A., Höllriegl, V., Matuschek, G., Zimmermann, R., Hoeschen, C., , De Angelis, M.H., Rozman, J.; A systemic view on the distribution of diet-derived methanol and hepatic acetone in mice; Journal of Breath Research, 2018, 12(1),017102

Kortelainen, M., Jokiniemi, J., Tiitta, P., Tissari, J., Lamberg, H., Leskinen, J., Grigonyte-Lopez Rodriguez, J., Koponen, H., Antikainen, S., Nuutinen, I., Zimmermann, R., Sippula, O.; Time-resolved chemical composition of small-scale batch combustion emissions from various wood species; Fuel, 2018, 233, pp. 224-236

Li, F., Schnelle-Kreis, J., Cyrys, J.c,d, Wolf, K., Karg, E., Gu, J., Orasche, J., Abbaszade, G., Peters, A., Zimmermann, R. Spatial and temporal variation of sources contributing to quasi-ultrafine particulate matter PM0.36 in Augsburg, Germany, Science of the Total Environment, 2018, 631-632, pp. 191-200

Lintelmann, J., Wu, X., Kuhn, E., Ritter, S., Schmidt, C., Zimmermann, R. Detection of monohydroxylated polycyclic aromatic hydrocarbons in urine and particulate matter using LC separations coupled with integrated SPE and fluorescence detection or coupled with high-resolution time-of-flight mass spectrometryBiomedical Chromatography, 2018, 32(5),e4183

Münster-Müller, S., Zimmermann, R., Pütz, M., A Novel Impurity-Profiling Workflow with the Combination of Flash-Chromatography, UHPLC-MS, and Multivariate Data Analysis for Highly Pure Drugs: A Study on the Synthetic Cannabinoid MDMB-CHMICA, Analytical Chemistry, 2018, 90(17), pp. 10559-10567

Piotrowski, P.K., Weggler, B.A., Barth-Naftilan, E., Kelly, C.N., Zimmermann, R., Saiers, J.E., Dorman, F.L.; Non-Targeted chemical characterization of a Marcellus shale gas well through GC  × GC with scripting algorithms and high-resolution time-of-flight mass spectrometry; Fuel, 2018, 215, pp. 363-369

Reiss, R., Ehlert, S., Heide, J., Pütz, M., Forster, T., Zimmermann, R. Ambient pressure laser desorption-chemical ionization mass spectrometry for fast and reliable detection of explosives, drugs, and their precursors, Applied Sciences (Switzerland), 2018, 8(6),933

Rüger, C.P., Grimmer, C., Sklorz, M., Neumann, A., Streibel, T., Zimmermann, R. Combination of Different Thermal Analysis Methods Coupled to Mass Spectrometry for the Analysis of Asphaltenes and Their Parent Crude Oils: Comprehensive Characterization of the Molecular Pyrolysis PatternEnergy and Fuels 2018, 32(3), pp. 2699-2711

Shen, R., Schäfer, K., Schnelle-Kreis, J., Shao, L., Norra, S., Kramar, U., Michalke, B., Abbaszade, G., Streibel, T., Zimmermann, R., Emeis, S.; Seasonal variability and source distribution of haze particles from a continuous one-year study in Beijing; Atmospheric Pollution Research, 2018, 9(4), pp. 627-633



Alosmanov R, Wolski K, Matuschek G, Magerramov A, Azizov A, Zimmermann R, Aliyev E, Zapotoczny S. Effect of functional groups on the thermal degradation of phosphorus- and phosphorus/nitrogen-containing functional polymers. Journal of Thermal Analysis and Calorimetry 2017;130(2):799–812.

Czech H, Pieber SM, Tiitta P, Sippula O, Kortelainen M, Lamberg H, Grigonyte J, Streibel T, Prévôt ASH, Jokiniemi J, Zimmermann R. Time-resolved analysis of primary volatile emissions and secondary aerosol formation potential from a small-scale pellet boiler. Atmospheric Environment 2017;158:236–45.

Czech H, Schnelle-Kreis J, Streibel T, Zimmermann R. New directions: Beyond sulphur, vanadium and nickel – About source apportionment of ship emissions in emission control areas. Atmospheric Environment 2017;163:190–1.

Czech H, Stengel B, Adam T, Sklorz M, Streibel T, Zimmermann R. A chemometric investigation of aromatic emission profiles from a marine engine in comparison with residential wood combustion and road traffic: Implications for source apportionment inside and outside sulphur emission control areas. Atmospheric Environment 2017;167:212–22.

Dragan CC, Kohlmeier V, Breuer D, Blaskowitz M, Karg E, Zimmermann R. On the challenges of measuring semi-volatile organic compound aerosols using personal samplers. Gefahrstoffe Reinhaltung der Luft 2017;77(10):411–5.

Eichler P, Müller M, Rohmann C, Stengel B, Orasche J, Zimmermann R, Wisthaler A. Lubricating Oil as a Major Constituent of Ship Exhaust Particles. Environmental Science and Technology Letters 2017;4(2):54–8.

Fischer M, Wohlfahrt S, Varga J, Matuschek G, Saraji-Bozorgzad MR, Walte A, Denner T, Zimmermann R. Evolution of Volatile Flavor Compounds During Roasting of Nut Seeds by Thermogravimetry Coupled to Fast-Cycling Optical Heating Gas Chromatography-Mass Spectrometry with Electron and Photoionization. Food Analytical Methods 2017;10(1):49–62.

Gruber B, Schneider J, Föhlinger M, Buters J, Zimmermann R, Matuschek G. A minimal-invasive method for systemic bio-monitoring of the environmental pollutant phenanthrene in humans: Thermal extraction and gas chromatography − mass spectrometry from 1 mL capillary blood. Journal of Chromatography A 2017;1487:254–7.

Hauser FM, Rößler T, Hulshof JW, Weigel D, Zimmermann R, Pütz M. Identification of specific markers for amphetamine synthesised from the pre-precursor APAAN following the Leuckart route and retrospective search for APAAN markers in profiling databases from Germany and the Netherlands.Drug Test Anal 2017

Jennerwein, M.K., Eschner, M.S., Wilharm, T., Zimmermann, R., Gröger, T.M. Proof of Concept of High-Temperature Comprehensive Two-Dimensional Gas Chromatography Time-of-Flight Mass Spectrometry for Two-Dimensional Simulated Distillation of Crude Oils, Energy and Fuels, 2017, 31(11), pp. 11651-11659

Jennerwein MK, Sutherland AC, Eschner M, Gröger T, Wilharm T, Zimmermann R. Quantitative analysis of modern fuels derived from middle distillates – The impact of diverse compositions on standard methods evaluated by an offline hyphenation of HPLC-refractive index detection with GC×GC-TOFMS. Fuel 2017;187:16–25.

Kasurinen S, Jalava PI, Happo MS, Sippula O, Uski O, Koponen H, Orasche J, Zimmermann R, Jokiniemi J, Hirvonen M-R. Particulate emissions from the combustion of birch, beech, and spruce logs cause different cytotoxic responses in A549 cells. Environmental Toxicology 2017;32(5):1487–99.

Kohlmeier V, Dragan GC, Karg EW, Schnelle-Kreis J, Breuer D, Forbes PBC, Rohwer ER, Zimmermann R. Multi-channel silicone rubber traps as denuders for gas-particle partitioning of aerosols from semi-volatile organic compounds. Environ Sci Process Impacts 2017;19(5):676–86.

Kruth C, Czech H, Sklorz M, Passig J, Ehlert S, Cappiello A, Zimmermann R. Direct Infusion Resonance-Enhanced Multiphoton Ionization Mass Spectrometry of Liquid Samples under Vacuum Conditions. Analytical Chemistry 2017;89(20):10917–23.

Passig J, Schade J, Oster M, Fuchs M, Ehlert S, Jäger C, Sklorz M, Zimmermann R. Aerosol Mass Spectrometer for Simultaneous Detection of Polyaromatic Hydrocarbons and Inorganic Components from Individual Particles. Analytical Chemistry 2017;89(12):6341–5.

Rüger, C.P., Neumann, A., Sklorz, M., Schwemer, T., Zimmermann, R. Thermal Analysis Coupled to Ultrahigh Resolution Mass Spectrometry with Collision Induced Dissociation for Complex Petroleum Samples: Heavy Oil Composition and Asphaltene Precipitation Effects, Energy and Fuels 2017, 31(12), pp. 13144-13158

Schwemer T, Rössler T, Ahrens B, Schäffer M, Hasselbach-Minor A, Pütz M, Sklorz M, Gröger T, Zimmermann R. Characterization of a heroin manufacturing process based on acidic extracts by combining complementary information from two-dimensional gas chromatography and high resolution mass spectrometry. Forensic Chemistry 2017;4:9–18.

Shao, L., Hu, Y., Shen, R., Schäfer, K., Wang, J., Wang, J., Schnelle-Kreis, J., Zimmermann, R., BéruBé, K., Suppan, P.; Seasonal variation of particle-induced oxidative potential of airborne particulate matter in Beijing; Science of the Total Environment, 2017, 579, pp. 1152-1160

Streibel T, Schnelle-Kreis J, Czech H, Harndorf H, Jakobi G, Jokiniemi J, Karg E, Lintelmann J, Matuschek G, Michalke B, Müller L, Orasche J, Passig J, Radischat C, Rabe R, Reda A, Rüger C, Schwemer T, Sippula O, Stengel B, Sklorz M, Torvela T, Weggler B, Zimmermann R. Aerosol emissions of a ship diesel engine operated with diesel fuel or heavy fuel oil. Environmental Science and Pollution Research 2017;24(12):10976–91.

Varga J, Wohlfahrt S, Fischer M, Saraji-Bozorgzad MR, Matuschek G, Denner T, Reller A, Zimmermann R. An evolved gas analysis method for the characterization of sulfur vapor. Journal of Thermal Analysis and Calorimetry 2017;127(1):955–60.

Wirth MA, Rüger CP, Sklorz M, Zimmermann R. Using aromatic polyamines with high proton affinity as ‘‘proton sponge’’ dopants for electrospray ionisation mass spectrometry. European Journal of Mass Spectrometry 2017;23(2):49–54.

Wu, X., Lintelmann, J., Klingbeil, S., Li, J., Wang, H., Kuhn, E., Ritter, S., Zimmermann, R. Determination of air pollution-related biomarkers of exposure in urine of travellers between Germany and China using liquid chromatographic and liquid chromatographic-mass spectrometric methods: a pilot study, Biomarkers 2017, 22(6), pp. 525-536



Bozzetti C, Daellenbach KR, Hueglin C, Fermo P, Sciare J, Kasper-Giebl A, Mazar Y, Abbaszade G, El Kazzi M, Gonzalez R, Shuster-Meiseles T, Flasch M, Wolf R, Křepelová A, Canonaco F, Schnelle-Kreis J, Slowik JG, Zimmermann R, Rudich Y, Baltensperger U, El Haddad I, Prévôt ASH. Size-Resolved Identification, Characterization, and Quantification of Primary Biological Organic Aerosol at a European Rural Site. Environmental Science and Technology 2016;50(7):3425–34.

Czech H, Sippula O, Kortelainen M, Tissari J, Radischat C, Passig J, Streibel T, Jokiniemi J, Zimmermann R. On-line analysis of organic emissions from residential wood combustion with single-photon ionisation time-of-flight mass spectrometry (SPI-TOFMS). Fuel 2016;177:334–42.

Czech H, Schepler C, Klingbeil S, Ehlert S, Howell J, Zimmermann R. Resolving Coffee Roasting-Degree Phases Based on the Analysis of Volatile Compounds in the Roasting Off-Gas by Photoionization Time-of-Flight Mass Spectrometry (PI-TOFMS) and Statistical Data Analysis: Toward a PI-TOFMS Roasting Model. Journal of Agricultural and Food Chemistry 2016;64(25):5223–31.

Dilger M, Orasche J, Zimmermann R, Paur H-R, Diabaté S, Weiss C. Toxicity of wood smoke particles in human A549 lung epithelial cells: The role of PAHs, soot and zinc. Archives of Toxicology 2016;90(12):3029–44.

Gröger T, Gruber B, Harrison D, Saraji-Bozorgzad M, Mthembu M, Sutherland A, Zimmermann R. A Vacuum Ultraviolet Absorption Array Spectrometer as a Selective Detector for Comprehensive Two-Dimensional Gas Chromatography: Concept and First Results. Analytical Chemistry 2016;88(6):3031–9.

Gruber B, Groeger T, Harrison D, Zimmermann R. Vacuum ultraviolet absorption spectroscopy in combination with comprehensive two-dimensional gas chromatography for the monitoring of volatile organic compounds in breath gas: A feasibility study. Journal of Chromatography A 2016;1464:141–6.

Gruber B, Keller S, Groeger T, Matuschek G, Szymczak W, Zimmermann R. Breath gas monitoring during a glucose challenge by a combined PTR-QMS/GC×GC-TOFMS approach for the verification of potential volatile biomarkers. Journal of Breath Research 2016;10(3).

He C, Miljevic B, Crilley LR, Surawski NC, Bartsch J, Salimi F, Uhde E, Schnelle-Kreis J, Orasche J, Ristovski Z, Ayoko GA, Zimmermann R, Morawska L. Characterisation of the impact of open biomass burning on urban air quality in Brisbane, Australia. Environment International 2016;91:230–42.

Jia L, Le Brech Y, Mauviel G, Qi F, Bente-Von Frowein M, Ehlert S, Zimmermann R, Dufour A. Online Analysis of Biomass Pyrolysis Tar by Photoionization Mass Spectrometry. Energy and Fuels 2016;30(3):1555–63.

Li F, Schnelle-Kreis J, Karg E, Cyrys J, Gu J, Orasche J, Abbaszade G, Peters A, Zimmermann R. Semi-continuous sampling of health relevant atmospheric particle subfractions for chemical speciation using a rotating drum impactor in series with sequential filter sampler. Environmental Science and Pollution Research 2016;23(8):7278–87.

López JAS, Wellinger M, Gloess AN, Zimmermann R, Yeretzian C. Extraction kinetics of coffee aroma compounds using a semi-automatic machine: On-line analysis by PTR-ToF-MS. International Journal of Mass Spectrometry 2016;401:22–30.

Mueller L, Schnelle-Kreis J, Jakobi G, Orasche J, Jing L, Canonaco F, Prevot ASH, Zimmermann R. Combustion process apportionment of carbonaceous particulate emission from a diesel fuel burner. Journal of Aerosol Science 2016;100:61–72.

Mülhopt S, Dilger M, Diabaté S, Schlager C, Krebs T, Zimmermann R, Buters J, Oeder S, Wäscher T, Weiss C, Paur H-R. Toxicity testing of combustion aerosols at the air-liquid interface with a self-contained and easy-to-use exposure system. Journal of Aerosol Science 2016;96:38–55.

Otto S, Erdmann S, Streibel T, Herlemann DPR, Schulz-Bull D, Zimmermann R. Pyrolysis-gas chromatography-mass spectrometry with electron-ionization and resonance-enhanced-multi-photon-ionization for the characterization of terrestrial dissolved organic matter in the Baltic Sea. Analytical Methods 2016;8(12):2592–603.

Popovicheva OB, Kozlov VS, Rakhimov RF, Shmargunov VP, Kireeva ED, Persiantseva NM, Timofeev MA, Engling G, Eleftheriadis K, Diapouli E, Panchenko MV, Zimmermann R, Schnelle-Kreis J. Optical-microphysical and physical-chemical characteristics of Siberian biomass burning: Experiments in Aerosol Chamber. Atmospheric and Oceanic Optics 2016;29(6):492–500.

Reda AA, Schnelle-Kreis J, Orasche J, Abbaszade G, Lintelmann J, Arteaga-Salas JM, Stengel B, Rabe R, Harndorf H, Sippula O, Streibel T, Zimmermann R. Gas phase carbonyl compounds in ship emissions: Differences between diesel fuel and heavy fuel oil operation. Atmospheric Environment 2016;112:370–80.

Sánchez-López JA, Ziere A, Martins SIFS, Zimmermann R, Yeretzian C. Persistence of aroma volatiles in the oral and nasal cavities: Real-time monitoring of decay rate in air exhaled through the nose and mouth. Journal of Breath Research 2016;10(3).

Sapcariu SC, Kanashova T, Dilger M, Diabaté S, Oeder S, Passig J, Radischat C, Buters J, Sippula O, Streibel T, Paur H-R, Schlager C, Mülhopt S, Stengel B, Rabe R, Harndorf H, Krebs T, Karg E, Gröger T, Weiss C, Dittmar G, Hiller K, Zimmermann R. Metabolic profiling as well as stable isotope assisted metabolic and proteomic analysis of RAW 264.7 macrophages exposed to ship engine aerosol emissions: Different effects of heavy fuel oil and refined diesel fuel. PLoS ONE 2016;11(6).

Schäfer K, Elsasser M, Arteaga-Salas JM, Gu J, Pitz M, Schnelle-Kreis J, Cyrys J, Emeis S, Prévôt ASH, Zimmermann R. Impact of meteorological conditions on airborne fine particle composition and secondary pollutant characteristics in urban area during winter-time. Meteorologische Zeitschrift 2016;25(3):267–79.

Shao L, Hu Y, Shen R, Schäfer K, Wang J, Schnelle-Kreis J et al. Seasonal variation of particle-induced oxidative potential of airborne particulate matter in Beijing; 2016.

Tiitta P, Leskinen A, Hao L, Yli-Pirilä P, Kortelainen M, Grigonyte J, Tissari J, Lamberg H, Hartikainen A, Kuuspalo K, Kortelainen AM, Virtanen A, Lehtinen KEJ, Komppula M, Pieber S, Prévôt ASH, Onasch TB, Worsnop DR, Czech H, Zimmermann R, Jokiniemi J, Sippula O. Transformation of logwood combustion emissions in a smog chamber: Formation of secondary organic aerosol and changes in the primary organic aerosol upon daytime and nighttime aging. Atmospheric Chemistry and Physics 2016;16(20):13251–69.

Ulevicius V, Byčenkiene S, Bozzetti C, Vlachou A, Plauškaite K, Mordas G, Dudoitis V, Abbaszade G, Remeikis V, Garbaras A, Masalaite A, Blees J, Fröhlich R, Dällenbach KR, Canonaco F, Slowik JG, Dommen J, Zimmermann R, Schnelle-Kreis J, Salazar GA, Agrios K, Szidat S, El Haddad I, Prévôt ASH. Fossil and non-fossil source contributions to atmospheric carbonaceous aerosols during extreme spring grassland fires in Eastern Europe. Atmospheric Chemistry and Physics 2016;16(9):5513–29.

Weggler BA, Ly-Verdu S, Jennerwein M, Sippula O, Reda AA, Orasche J, Gröger T, Jokiniemi J, Zimmermann R. Untargeted Identification of Wood Type-Specific Markers in Particulate Matter from Wood Combustion. Environ Sci Technol 2016;50(18):10073–81.

Wohlfahrt S, Fischer M, Varga J, Saraji-Bozorgzad M-R, Matuschek G, Denner T, Zimmermann R. Dual-Stage Consumable-Free Thermal Modulator for the Hyphenation of Thermal Analysis, Gas Chromatography, and Mass Spectrometry. Analytical Chemistry 2016;88(1):640–4.

Yener S, Sánchez-López JA, Granitto PM, Cappellin L, Märk TD, Zimmermann R, Bonn GK, Yeretzian C, Biasioli F. Rapid and direct volatile compound profiling of black and green teas (Camellia sinensis) from different countries with PTR-ToF-MS. Talanta 2016;152:45–53.

Zimmermann R, Saraji-Bozorgzad M, Grimmer C, Ulbrich A, Streibel T. Erdöl in seine Bestandteile zerlegen und charakterisieren. Nachrichten aus der Chemie 2016;64(7-8):751–4.



Breuer D, Dragan GC, Friedrich C, Möhlmann C, Zimmermann R. Development and field testing of a miniaturized sampling system for simultaneous sampling of vapours and dropletsEnvironmental Sciences: Processes and Impacts 2015;17(2):278–87. 

Bruns EA, Krapf M, Orasche J, Huang Y, Zimmermann R, Drinovec L, Močnik G, El-Haddad I, Slowik JG, Dommen J, Baltensperger U, Prévôt A. Characterization of primary and secondary wood combustion products generated under different burner loadsAtmospheric Chemistry and Physics 2015;15(5):2825–41. 

Chen L-W, Chow JC, Wang XL, Robles JA, Sumlin BJ, Lowenthal DH, Zimmermann R, Watson JG. Multi-wavelength optical measurement to enhance thermal/optical analysis for carbonaceous aerosolAtmospheric Measurement Techniques 2015;8(1):451–61. 

Chow JC, Wang X, Sumlin BJ, Gronstal SB, Antony Chen L-W, Trimble DL, Kohl SD, Mayorga SR, Riggio G, Hurbain PR, Johnson M, Zimmermann R, Watson JG. Optical calibration and equivalence of a multiwavelength thermal/optical carbon analyzerAerosol and Air Quality Research 2015;15(4):1145–59. 

Diab J, Streibel T, Cavalli F, Lee SC, Saathoff H, Mamakos A, Chow JC, Chen L-W, Watson JG, Sippula O, Zimmermann R. Hyphenation of a EC / OC thermal-optical carbon analyzer to photo-ionization time-of-flight mass spectrometry: An off-line aerosol mass spectrometric approach for characterization of primary and secondary particulate matterAtmospheric Measurement Techniques 2015;8(8):3337–53. 

Dragan GC, Breuer D, Blaskowitz M, Karg E, Schnelle-Kreis J, Arteaga-Salas JM, Nordsieck H, Zimmermann R. An evaluation of the "gGP" personal samplers under semi-volatile aerosols: Sampling losses and their implication on occupational risk assessmentEnvironmental Sciences: Processes and Impacts 2015;17(2):270–7. 

Fischer M, Wohlfahrt S, Varga J, Matuschek G, Saraji-Bozorgzad MR, Denner T, Walte A, Zimmermann R. Optically Heated Ultra-Fast-Cycling Gas Chromatography Module for Separation of Direct Sampling and Online Monitoring ApplicationsAnalytical Chemistry 2015;87(17):8634–9. 

Hertz-Schünemann R, Ehlert S, Streibel T, Liu C, McAdam K, Baker RR et al. High-resolution time and spatial imaging of tobacco and its pyrolysis products during a cigarette puff by microprobe sampling photoionisation mass spectrometry; 2015. 

Hertz-Schünemann R, Ehlert S, Streibel T, Liu C, McAdam K, Baker RR, Zimmermann R. High-resolution time and spatial imaging of tobacco and its pyrolysis products during a cigarette puff by microprobe sampling photoionisation mass spectrometryAnalytical and Bioanalytical Chemistry 2015;407(8):2293–9. 

Huang R-J, Zhang Y, Bozzetti C, Ho K-F, Cao J-J, Han Y, Daellenbach KR, Slowik JG, Platt SM, Canonaco F, Zotter P, Wolf R, Pieber SM, Bruns EA, Crippa M, Ciarelli G, Piazzalunga A, Schwikowski M, Abbaszade G, Schnelle-Kreis J, Zimmermann R, An Z, Szidat S, Baltensperger U, El Haddad I, Prévôt A. High secondary aerosol contribution to particulate pollution during haze events in ChinaNature 2015;514(7521):218–22. 

Jia L, Le-Brech Y, Shrestha B, Frowein M-V, Ehlert S, Mauviel G, Zimmermann R, Dufour A. Fast Pyrolysis in a Microfluidized Bed Reactor: Effect of Biomass Properties and Operating Conditions on Volatiles Composition as Analyzed by Online Single Photoionization Mass SpectrometryEnergy and Fuels 2015;29(11):7364–74. 

Kanashova T, Popp O, Orasche J, Karg E, Harndorf H, Stengel B, Sklorz M, Streibel T, Zimmermann R, Dittmar G. Differential proteomic analysis of mouse macrophages exposed to adsorbate-loaded heavy fuel oil derived combustion particles using an automated sample-preparation workflow Aerosols and HealthAnalytical and Bioanalytical Chemistry 2015;407(20):5965–76. 

Kleeblatt J, Schubert JK, Zimmermann R. Detection of gaseous compounds by needle trap sampling and direct thermal-desorption photoionization mass spectrometry: Concept and demonstrative application to breath gas analysisAnalytical Chemistry 2015;87(3):1773–81. 

Kleeblatt J, Stengel B, Radischat C, Passig J, Streibel T, Sippula O, Rabe R, Harndorf H, Zimmermann R. Needle trap sampling thermal-desorption resonance enhanced multiphoton ionization time-of-flight mass spectrometry for analysis of marine diesel engine exhaustAnalytical Methods 2015;7(8):3608–17. 

Ly-Verdú S, Gröger TM, Arteaga-Salas JM, Brandmaier S, Kahle M, Neschen S, Angelis MH de, Zimmermann R. Combiningmetabolomic non-targeted GC×GC-ToF-MS analysis and chemometric ASCA-based study of variances to assess dietary influence on type 2 diabetes development in a mouse modelAnalytical and Bioanalytical Chemistry 2015;407(1):343–54. 

Mueller L, Jakobi G, Czech H, Stengel B, Orasche J, Arteaga-Salas JM, Karg E, Elsasser M, Sippula O, Streibel T, Slowik JG, Prevot A, Jokiniemi J, Rabe R, Harndorf H, Michalke B, Schnelle-Kreis J, Zimmermann R. Characteristics and temporal evolution of particulate emissions from a ship diesel engineApplied Energy 2015;155:204–17. 

Mueller L, Jakobi G, Orasche J, Karg E, Sklorz M, Abbaszade G et al. Erratum to: Online determination of polycyclic aromatic hydrocarbon formation from a flame soot generator; 2015. 

Mueller L, Jakobi G, Orasche J, Karg E, Sklorz M, Abbaszade G, Weggler B, Jing L, Schnelle-Kreis J, Zimmermann R. Online determination of polycyclic aromatic hydrocarbon formation from a flame soot generator Aerosols and HealthAnalytical and Bioanalytical Chemistry 2015;407(20):5911–22. 

Oeder S, Kanashova T, Sippula O, Sapcariu SC, Streibel T, Arteaga-Salas JM, Passig J, Dilger M, Paur H-R, Schlager C, Mülhopt S, Diabaté S, Weiss C, Stengel B, Rabe R, Harndorf H, Torvela T, Jokiniemi JK, Hirvonen M-R, Schmidt-Weber C, Traidl-Hoffmann C, Bérubé KA, Wlodarczyk AJ, Prytherch Z, Michalke B, Krebs T, Prévôt A, Kelbg M, Tiggesbäumker J, Karg E, Jakobi G, Scholtes S, Schnelle-Kreis J, Lintelmann J, Matuschek G, Sklorz M, Klingbeil S, Orasche J, Richthammer P, Müller L, Elsasser M, Reda A, Gröger T, Weggler B, Schwemer T, Czech H, Rüger CP, Abbaszade G, Radischat C, Hiller K, Buters J, Dittmar G, Zimmermann R. Particulate matter from both heavy fuel oil and diesel fuel shipping emissions show strong biological effects on human lung cells at realistic and comparable in vitro exposure conditionsPLoS ONE 2015;10(6). 

Otto S, Streibel T, Erdmann S, Klingbeil S, Schulz-Bull D, Zimmermann R. Pyrolysis-gas chromatography-mass spectrometry with electron-ionization or resonance-enhanced-multi-photon-ionization for characterization of polycyclic aromatic hydrocarbons in the Baltic SeaMarine Pollution Bulletin 2015;99(1-2):35–42. 

Otto S, Streibel T, Erdmann S, Sklorz M, Schulz-Bull D, Zimmermann R. Application of pyrolysis-mass spectrometry and pyrolysis-gas chromatography-mass spectrometry with electron-ionization or resonance-enhanced-multi-photon ionization for characterization of crude oilsAnalytica Chimica Acta 2015;855:60–9.

Pedata P, Stoeger T, Zimmermann R, Peters A, Oberdörster G, D'Anna A. "Are we forgetting the smallest, sub 10 nm combustion generated particles?"Particle and Fibre Toxicology 2015;12(1). 

Radischat C, Sippula O, Stengel B, Klingbeil S, Sklorz M, Rabe R, Streibel T, Harndorf H, Zimmermann R. Real-time analysis of organic compounds in ship engine aerosol emissions using resonance-enhanced multiphoton ionisation and proton transfer mass spectrometry Aerosols and HealthAnalytical and Bioanalytical Chemistry 2015;407(20):5939–51. 

Reda AA, Czech H, Schnelle-Kreis J, Sippula O, Orasche J, Weggler B, Abbaszade G, Arteaga-Salas JM, Kortelainen M, Tissari J, Jokiniemi J, Streibel T, Zimmermann R. Analysis of gas-phase carbonyl compounds in emissions from modern wood combustion appliances: Influence of wood type and combustion applianceEnergy and Fuels 2015;29(6):3897–907. 

Reda AA, Schnelle-Kreis J, Orasche J, Abbaszade G, Lintelmann J, Arteaga-Salas JM et al. Corrigendum to "Gas phase carbonyl compounds in ship emissions: Differences between diesel fuel and heavy fuel oil operation" [Atmos. Environ. 94 (2014) 467-478]; 2015. 

Rüger CP, Miersch T, Schwemer T, Sklorz M, Zimmermann R. Hyphenation of Thermal Analysis to Ultrahigh-Resolution Mass Spectrometry (Fourier Transform Ion Cyclotron Resonance Mass Spectrometry) Using Atmospheric Pressure Chemical Ionization for Studying Composition and Thermal Degradation of Complex MaterialsAnalytical Chemistry 2015;87(13):6493–9. 

Rüger CP, Sklorz M, Schwemer T, Zimmermann R. Characterisation of ship diesel primary particulate matter at the molecular level by means of ultra-high-resolution mass spectrometry coupled to laser desorption ionisation - Comparison of feed fuel, filter extracts and direct particle measurementsAnalytical and Bioanalytical Chemistry 2015;407(20):5923–37. 

Schwemer T, Rüger CP, Sklorz M, Zimmermann R. Gas Chromatography Coupled to Atmospheric Pressure Chemical Ionization FT-ICR Mass Spectrometry for Improvement of Data ReliabilityAnalytical Chemistry 2015;87(24):11957–61. 

Smit E, Rüger CP, Sklorz M, Goede S de, Zimmermann R, Rohwer ER. Investigating the Trace Polar Species Present in Diesel Using High-Resolution Mass Spectrometry and Selective Ionization TechniquesEnergy and Fuels 2015;29(9):5554–62. 

Streibel T, Mühlberger F, Geißler R, Saraji-Bozorgzad M, Adam T, Zimmermann R. Influence of sulphur addition on emissions of polycyclic aromatic hydrocarbons during biomass combustionProceedings of the Combustion Institute 2015;35(2):1771–7. 

Yang J, Röwer C, Koy C, Ruß M, Rüger CP, Zimmermann R, Fritschen U von, Bredell M, Finke JC, Glocker MO. Mass spectrometric characterization of limited proteolysis activity in human plasma samples under mild acidic conditionsMethods 2015;89:30–7. 

Yttri KE, Schnelle-Kreis J, Maenhaut W, Abbaszade G, Alves C, Bjerke A, Bonnier N, Bossi R, Claeys M, Dye C, Evtyugina M, García-Gacio D, Hillamo R, Hoffer A, Hyder M, Iinuma Y, Jaffrezo J-L, Kasper-Giebl A, Kiss G, López-Mahia PL, Pio C, Piot C, Ramirez-Santa-Cruz C, Sciare J, Teinilä K, Vermeylen R, Vicente A, Zimmermann R. An intercomparison study of analytical methods used for quantification of levoglucosan in ambient aerosol filter samplesAtmospheric Measurement Techniques 2015;8(1):125–47. 

Zhang Y-L, Huang R-J, El Haddad I, Ho K-F, Cao J-J, Han Y, Zotter P, Bozzetti C, Daellenbach KR, Canonaco F, Slowik JG, Salazar G, Schwikowski M, Schnelle-Kreis J, Abbaszade G, Zimmermann R, Baltensperger U, Prévôt A, Szidat S. Fossil vs. non-fossil sources of fine carbonaceous aerosols in four Chinese cities during the extreme winter haze episode of 2013Atmospheric Chemistry and Physics 2015;15(3):1299–312. 

Zhang Y-L, Schnelle-Kreis J, Abbaszade G, Zimmermann R, Zotter P, Shen R-R, Schäfer K, Shao L, Prévôt A, Szidat S. Source Apportionment of Elemental Carbon in Beijing, China: Insights from Radiocarbon and Organic Marker MeasurementsEnvironmental Science and Technology 2015;49(14):8408–15. 

Zimmermann R. Aerosols and health: A challenge for chemical and biological analysisAnalytical and Bioanalytical Chemistry 2015;407(20):5863–7. 

Zimmermann R, Hertz-Schünemann R, Ehlert S, Liu C, McAdam K, Baker R, Streibel T. Highly time-resolved imaging of combustion and pyrolysis product concentrations in solid fuel combustion: NO formation in a burning cigaretteAnalytical Chemistry 2015;87(3):1711–7.



Crilley LR, Qadir RM, Ayoko GA, Schnelle-Kreis J, Abbaszade G, Orasche J, Zimmermann R, Morawska L. Identification of the sources of primary organic aerosols at urban schools: A molecular marker approachEnvironmental Pollution 2014;191:158–65. 

Diab J, Hertz-Schünemann R, Streibel T, Zimmermann R. Online measurement of volatile organic compounds released during roasting of cocoa beansFood Research International 2014;63:344–52. 

Dragan GC, Karg E, Nordsieck H, Schnelle-Kreis J, Breuer D, Arteaga-Salas JM, Ferron GA, Zimmermann R. Short-term evaporation of semi-volatile n-alkane aerosol particles: experimental and computational approachEnvironmental Engineering and Management Journal 2014;13(7):1775–85. 

Fischer M, Wohlfahrt S, Varga J, Saraji-Bozorgzad M, Matuschek G, Denner T, Zimmermann R. Evolved gas analysis by single photon ionization-mass spectrometryJournal of Thermal Analysis and Calorimetry 2014;116(3):1461–9. 

Hölzer J, Fischer M, Gröger T, Streibel T, Saraji-Bozorgzad M, Wohlfahrt S, Matuschek G, Zimmermann R. Hyphenation of thermogravimetry and soft single photon ionization-ion trap mass spectrometry (TG-SPI-ITMS) for evolved gas analysisJournal of Thermal Analysis and Calorimetry 2014;116(3):1471–9. 

Jennerwein MK, Eschner M, Gröger T, Wilharm T, Zimmermann R. Complete group-type quantification of petroleum middle distillates based on comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GC×GC-TOFMS) and visual basic scriptingEnergy and Fuels 2014;28(9):5670–81. 

John G, Kohse K, Orasche J, Reda A, Schnelle-Kreis J, Zimmermann R, Schmid O, Eickelberg O, Yildirim AO. The composition of cigarette smoke determines inflammatory cell recruitment to the lung in COPD mouse modelsClinical Science 2014;126(3):207–21. 

Leskinen J, Ihalainen M, Torvela T, Kortelainen M, Lamberg H, Tiitta P, Jakobi G, Grigonyte J, Joutsensaari J, Sippula O, Tissari J, Virtanen A, Zimmermann R, Jokiniemi J. Effective density and morphology of particles emitted from small-scale combustion of various wood fuelsEnvironmental Science and Technology 2014;48(22):13298–306. 

Lübbe C, Dumrath A, Neumann H, Schäffer M, Zimmermann R, Beller M, Kadyrov R. How important are impurities in catalysis? An example from ring-closing metathesisChemCatChem 2014;6(3):684–8. 

Ly-Verdú S, Gröger TM, Arteaga-Salas JM, Brandmaier S, Kahle M, Neschen S et al. Combining metabolomic non-targeted GC×GC–ToF–MS analysis and chemometric ASCA-based study of variances to assess dietary influence on type 2 diabetes development in a mouse model; 2014. 

Ly-Verdú S, Schaefer A, Kahle M, Groeger T, Neschen S, Arteaga-Salas JM, Ueffing M, Angelis MH de, Zimmermann R. The impact of blood on liver metabolite profiling - A combined metabolomic and proteomic approachBiomedical Chromatography 2014;28(2):231–40. 

Platt SM, Haddad IE, Pieber SM, Huang R-J, Zardini AA, Clairotte M, Suarez-Bertoa R, Barmet P, Pfaffenberger L, Wolf R, Slowik JG, Fuller SJ, Kalberer M, Chirico R, Dommen J, Astorga C, Zimmermann R, Marchand N, Hellebust S, Temime-Roussel B, Baltensperger U, Prévôt A. Two-stroke scooters are a dominant source of air pollution in many citiesNature Communications 2014;5. 

Qadir RM, Schnelle-Kreis J, Abbaszade G, Arteaga-Salas JM, Diemer J, Zimmermann R. Spatial and temporal variability of source contributions to ambient PM10 during winter in Augsburg, Germany using organic and inorganic tracersChemosphere 2014;103:263–73. 

Reda AA, Schnelle-Kreis J, Orasche J, Abbaszade G, Lintelmann J, Arteaga-Salas JM, Stengel B, Rabe R, Harndorf H, Sippula O, Streibel T, Zimmermann R. Gas phase carbonyl compounds in ship emissions: Differences between diesel fuel and heavy fuel oil operationAtmospheric Environment 2014;94:467–78. 

Sánchez-López JA, Zimmermann R, Yeretzian C. Insight into the time-resolved extraction of aroma compounds during espresso coffee preparation: Online monitoring by PTR-ToF-MSAnalytical Chemistry 2014;86(23):11696–704. 

Sippula O, Stengel B, Sklorz M, Streibel T, Rabe R, Orasche J, Lintelmann J, Michalke B, Abbaszade G, Radischat C, Gröger T, Schnelle-Kreis J, Harndorf H, Zimmermann R. Particle emissions from a marine engine: Chemical composition and aromatic emission profiles under various operating conditionsEnvironmental Science and Technology 2014;48(19):11721–9. 

Streibel T, Zimmermann R. Resonance-enhanced multiphoton ionization mass spectrometry (REMPI-ms): Applications for process analysis; 2014. 

Weggler BA, Gröger T, Zimmermann R. Advanced scripting for the automated profiling of two-dimensional gas chromatography-time-of-flight mass spectrometry data from combustion aerosolJournal of Chromatography A 2014;1364:241–8. 

Zotter P, El-Haddad I, Zhang Y, Hayes PL, Zhang X, Lin Y-H, Wacker L, Schnelle-Kreis J, Abbaszade G, Zimmermann R, Surratt JD, Weber R, Jimenez JL, Szidat S, Baltensperger U, Prévôt A. Diurnal cycle of fossil and nonfossil carbon using radiocarbon analyses during CalNexJournal of Geophysical Research Atmospheres 2014;119(11):6818–35.



Crippa M, Decarlo PF, Slowik JG, Mohr C, Heringa MF, Chirico R, Poulain L, Freutel F, Sciare J, Cozic J, Di Marco CF, Elsasser M, Nicolas JB, Marchand N, Abidi E, Wiedensohler A, Drewnick F, Schneider J, Borrmann S, Nemitz E, Zimmermann R, Jaffrezo J-L, Prévôt A, Baltensperger U. Wintertime aerosol chemical composition and source apportionment of the organic fraction in the metropolitan area of ParisAtmospheric Chemistry and Physics 2013;13(2):961–81. 

Ehlert S, Hölzer J, Rittgen J, Pütz M, Schulte-Ladbeck R, Zimmermann R. Rapid on-site detection of explosives on surfaces by ambient pressure laser desorption and direct inlet single photon ionization or chemical ionization mass spectrometryAnalytical and Bioanalytical Chemistry 2013;405(22):6979–93. 

Ehlert S, Walte A, Zimmermann R. Ambient pressure laser desorption and laser-induced acoustic desorption ion mobility spectrometry detection of explosivesAnalytical Chemistry 2013;85(22):11047–53. 

Elsasser M, Busch C, Orasche J, Schön C, Hartmann H, Schnelle-Kreis J, Zimmermann R. Dynamic changes of the aerosol composition and concentration during different burning phases of wood combustionEnergy and Fuels 2013;27(8):4959–68. 

Fendt A, Geissler R, Streibel T, Sklorz M, Zimmermann R. Hyphenation of two simultaneously employed soft photo ionization mass spectrometers with thermal analysis of biomass and biocharThermochimica Acta 2013;551:155–63. 

Ferron GA, Upadhyay S, Zimmermann R, Karg E. Model of the deposition of aerosol particles in the respiratory tract of the rat. II. hygroscopic particle depositionJournal of Aerosol Medicine and Pulmonary Drug Delivery 2013;26(2):101–19. 

Fischer M, Wohlfahrt S, Saraji-Bozorgzad M, Matuschek G, Post E, Denner T, Streibel T, Zimmermann R. Thermal analysis/evolved gas analysis using single photon ionization: Mass spectrometry for the investigation of tobaccoJournal of Thermal Analysis and Calorimetry 2013;113(3):1667–73. 

Gu J, Schnelle-Kreis J, Pitz M, Diemer J, Reller A, Zimmermann R, Soentgen J, Peters A, Cyrys J. Spatial and temporal variability of PM10 sources in Augsburg, GermanyAtmospheric Environment 2013;71:131–9. 

Hertz-Schünemann R, Dorfner R, Yeretzian C, Streibel T, Zimmermann R. On-line process monitoring of coffee roasting by resonant laser ionisation time-of-flight mass spectrometry: Bridging the gap from industrial batch roasting to flavour formation inside an individual coffee beanJournal of Mass Spectrometry 2013;48(12):1253–65. 

Hertz-Schünemann R, Streibel T, Ehlert S, Zimmermann R. Looking into individual coffee beans during the roasting process: Direct micro-probe sampling on-line photo-ionisation mass spectrometric analysis of coffee roasting gasesAnalytical and Bioanalytical Chemistry 2013;405(22):7083–96. 

Kleeblatt J, Ehlert S, Hölzer J, Sklorz M, Rittgen J, Baumgärtel P, Schubert JK, Zimmermann R. Investigation of the photoionization properties of pharmaceutically relevant substances by resonance-enhanced multiphoton ionization spectroscopy and single-photon ionization spectroscopy using synchrotron radiationApplied Spectroscopy 2013;67(8):860–72. 

Konus M, Koy C, Mikkat S, Kreutzer M, Zimmermann R, Iscan M, Glocker MO. Molecular adaptations of Helicoverpa armigera midgut tissue under pyrethroid insecticide stress characterized by differential proteome analysis and enzyme activity assaysComparative Biochemistry and Physiology - Part D: Genomics and Proteomics 2013;8(2):152–62. 

Li A, Chen M, Guo W, Zimmermann R. Detection of polycyclic aromatic hydrocarbons in a soil sample with photon ionization technique; 2013. 

Orasche J, Schnelle-Kreis J, Schön C, Hartmann H, Ruppert H, Arteaga-Salas JM, Zimmermann R. Comparison of emissions from wood combustion. Part 2: Impact of combustion conditions on emission factors and characteristics of particle-bound organic species and polycyclic aromatic hydrocarbon (PAH)-related toxicological potentialEnergy and Fuels 2013;27(3):1482–91. 

Qadir RM, Abbaszade G, Schnelle-Kreis J, Chow JC, Zimmermann R. Concentrations and source contributions of particulate organic matter before and after implementation of a low emission zone in Munich, GermanyEnvironmental Pollution 2013;175:158–67. 

Schäffer M, Dieckmann S, Pütz M, Kohles T, Pyell U, Zimmermann R. Impact of reaction parameters on the chemical profile of 3,4-methylenedioxymethamphetamine synthesized via reductive amination: Target analysis based on GC-qMS compared to non-targeted analysis based on GC×GC-TOF-MSForensic Science International 2013;233(1-3):201–11. 

Schäffer M, Gröger T, Pütz M, Zimmermann R. Assessment of the presence of damiana in herbal blends of forensic interest based on comprehensive two-dimensional gas chromatographyForensic Toxicology 2013;31(2):251–62. 

Schäffer M, Gröger T, Pütz M, Zimmermann R. Forensic profiling of sassafras oils based on comprehensive two-dimensional gas chromatographyForensic Science International 2013;229(1-3):108–15. 

Schepler C, Sklorz M, Passig J, Famiglini G, Cappiello A, Zimmermann R. Flow injection of liquid samples to a mass spectrometer with ionization under vacuum conditions: A combined ion source for single-photon and electron impact ionizationAnalytical and Bioanalytical Chemistry 2013;405(22):6953–7. 

Streibel T, Mitschke S, Adam T, Zimmermann R. Erratum: Time-resolved analysis of the emission of sidestream smoke (SSS) from cigarettes during smoking by photo ionisation/time-of-flight mass spectrometry (PI-TOFMS): Towards a better description of environmental tobacco smokeAnalytical and Bioanalytical Chemistry 2013;405(22):7169. 

Streibel T, Mitschke S, Adam T, Zimmermann R. Time-resolved analysis of the emission of sidestream smoke (SSS) from cigarettes during smoking by photo ionisation/time-of-flight mass spectrometry (PI-TOFMS): Towards a better description of environmental tobacco smokeAnalytical and Bioanalytical Chemistry 2013;405(22):7071–82. 

Trefz P, Schmidt M, Oertel P, Obermeier J, Brock B, Kamysek S, Dunkl J, Zimmermann R, Schubert JK, Miekisch W. Continuous real time breath gas monitoring in the clinical environment by proton-transfer-reaction-time-of-flight-mass spectrometryAnalytical Chemistry 2013;85(21):10321–9. 

Wohlfahrt S, Fischer M, Saraji-Bozorgzad M, Matuschek G, Streibel T, Post E, Denner T, Zimmermann R. Rapid comprehensive characterization of crude oils by thermogravimetry coupled to fast modulated gas chromatography-single photon ionization time-of-flight mass spectrometryAnalytical and Bioanalytical Chemistry 2013;405(22):7107–16. 

Zimmermann R. Photo ionisation in mass spectrometry: Light, selectivity and molecular ionsAnalytical and Bioanalytical Chemistry 2013;405(22):6901–5.



Adam TW, Clairotte M, Streibel T, Elsasser M, Pommeres A, Manfredi U, Carriero M, Martini G, Sklorz M, Krasenbrink A, Astorga C, Zimmermann R. Real-time analysis of aromatics in combustion engine exhaust by resonance-enhanced multiphoton ionisation time-of-flight mass spectrometry (REMPI-TOF-MS): A robust tool for chassis dynamometer testingAnalytical and Bioanalytical Chemistry 2012;404(1):273–6. 

Busch C, Streibel T, Liu C, McAdam KG, Zimmermann R. Pyrolysis and combustion of tobacco in a cigarette smoking simulator under air and nitrogen atmosphereAnalytical and Bioanalytical Chemistry 2012;403(2):419–30. 

Clairotte M, Adam TW, Chirico R, Giechaskiel B, Manfredi U, Elsasser M, Sklorz M, Decarlo PF, Heringa MF, Zimmermann R, Martini G, Krasenbrin A, Vicet A, Tournié E, Prévôt A, Astorga C. Online characterization of regulated and unregulated gaseous and particulate exhaust emissions from two-stroke mopeds: A chemometric approachAnalytica Chimica Acta 2012;717:28–38. 

Elsasser M, Crippa M, Orasche J, Decarlo PF, Oster M, Pitz M, Cyrys J, Gustafson TL, Pettersson J, Schnelle-Kreis J, Prévôt A, Zimmermann R. Organic molecular markers and signature from wood combustion particles in winter ambient aerosols: Aerosol mass spectrometer (AMS) and high time-resolved GC-MS measurements in Augsburg, GermanyAtmospheric Chemistry and Physics 2012;12(14):6113–28. 

Fendt A, Streibel T, Sklorz M, Richter D, Dahmen N, Zimmermann R. On-line process analysis of biomass flash pyrolysis gases enabled by soft photoionization mass spectrometryEnergy and Fuels 2012;26(1):701–11. 

Forbes P, Karg EW, Zimmermann R, Rohwer ER. The use of multi-channel silicone rubber traps as denuders for polycyclic aromatic hydrocarbonsAnalytica Chimica Acta 2012;730:71–9. 

Hertz R, Streibel T, Liu C, McAdam K, Zimmermann R. Microprobe sampling-Photo ionization-time-of-flight mass spectrometry for in situ chemical analysis of pyrolysis and combustion gases: Examination of the thermo-chemical processes within a burning cigaretteAnalytica Chimica Acta 2012;714:104–13. 

Kiersch K, Kruse J, Eckhardt K-U, Fendt A, Streibel T, Zimmermann R, Broll G, Leinweber P. Impact of grassland burning on soil organic matter as revealed by a synchrotron- and pyrolysis-mass spectrometry-based multi-methodological approachOrganic Geochemistry 2012;44:8–20. 

Krug S, Kastenmüller G, Stückler F, Rist MJ, Skurk T, Sailer M, Raffler J, Römisch-Margl W, Adamski J, Prehn C, Frank T, Engel K-H, Hofmann T, Luy B, Zimmermann R, Moritz F, Schmitt-Kopplin P, Krumsiek J, Kremer W, Huber F, Oeh U, Theis FJ, Szymczak W, Hauner H, Suhre K, Daniel H. The dynamic range of the human metabolome revealed by challengesFASEB Journal 2012;26(6):2607–19. 

Mohr C, Decarlo PF, Heringa MF, Chirico R, Slowik JG, Richter R, Reche C, Alastuey A, Querol X, Seco R, Peñuelas J, Jiḿenez JL, Crippa M, Zimmermann R, Baltensperger U, Prév̂ot A. Identification and quantification of organic aerosol from cooking and other sources in Barcelona using aerosol mass spectrometer dataAtmospheric Chemistry and Physics 2012;12(4):1649–65. 

Oeder S, Jörres RA, Weichenmeier I, Pusch G, Schober W, Pfab F, Behrendt H, Schierl R, Kronseder A, Nowak D, Dietrich S, Fernández-Caldas E, Lintelmann J, Zimmermann R, Lang R, Mages J, Fromme H, Buters J. Airborne Indoor Particles from Schools Are More Toxic than Outdoor ParticlesAmerican Journal of Respiratory Cell and Molecular Biology 2012;47(5):575–82. 

Orasche J, Seidel T, Hartmann H, Schnelle-Kreis J, Chow JC, Ruppert H, Zimmermann R. Comparison of emissions from wood combustion. part 1: Emission factors and characteristics from different small-scale residential heating appliances considering particulate matter and polycyclic aromatic hydrocarbon (PAH)-related toxicological potential of particle-bound organic speciesEnergy and Fuels 2012;26(11):6695–704. 

Rittgen J, Pütz M, Zimmermann R. Identification of fentanyl derivatives at trace levels with nonaqueous capillary electrophoresis-electrospray-tandem mass spectrometry (MS n, n = 2, 3): Analytical method and forensic applicationsElectrophoresis 2012;33(11):1595–605. 

Schäffer M, Gröger T, Pütz M, Dieckmann S, Zimmermann R. Comparative Analysis of the Chemical Profiles of 3,4-Methylenedioxymethamphetamine Based on Comprehensive Two-Dimensional Gas Chromatography-Time-of-Flight Mass Spectrometry (GC×GC-TOFMS)Journal of Forensic Sciences 2012;57(5):1181–9. 

Schnelle-Kreis J, Abbaszade G, Qadir R, Orasche J, Crilley L, Morawska L et al. (eds.). Application of direct thermal desorption gas chromatography time-of-flight mass spectrometry for characterization of organic particulate matter; 2012. 

Weise T, Kai M, Gummesson A, Troeger A, Reuß SV, Piepenborn S, Kosterka F, Sklorz M, Zimmermann R, Francke W, Piechulla B. Volatile organic compounds produced by the phytopathogenic bacterium Xanthomonas campestris pv. vesicatoria 85-10Beilstein Journal of Organic Chemistry 2012;8:579–96.



Adam TW, Astorga C, Clairotte M, Duane M, Elsasser M, Krasenbrink A, Larsen BR, Manfredi U, Martini G, Montero L, Sklorz M, Zimmermann R, Perujo A. Chemical analysis and ozone formation potential of exhaust from dual-fuel (liquefied petroleum gas/gasoline) light duty vehiclesAtmospheric Environment 2011;45(17):2842–8. 

Adam TW, Chirico R, Clairotte M, Elsasser M, Manfredi U, Martini G, Sklorz M, Streibel T, Heringa MF, Decarlo PF, Baltensperger U, Santi G de, Krasenbrink A, Zimmermann R, Prevot A, Astorga C. Application of modern online instrumentation for chemical analysis of gas and particulate phases of exhaust at the european commission heavy-duty vehicle emission laboratoryAnalytical Chemistry 2011;83(1):67–76. 

Brandt C, Kunde R, Dobmeier B, Schnelle-Kreis J, Orasche J, Schmoeckel G, Diemer J, Zimmermann R, Gaderer M. Ambient PM10 concentrations from wood combustion - Emission modeling and dispersion calculation for the city area of Augsburg, GermanyAtmospheric Environment 2011;45(20):3466–74. 

Dresen S, Kneisel S, Weinmann W, Zimmermann R, Auẅarter V. Development and validation of a liquid chromatography-tandem mass spectrometry method for the quantitation of synthetic cannabinoids of the aminoalkylindole type and methanandamide in serum and its application to forensic samplesJournal of Mass Spectrometry 2011;46(2):163–71. 

Eickner T, Mikkat S, Lorenz P, Sklorz M, Zimmermann R, Thiesen H-J, Glockera MO. Systematic studies on TiO2-based phosphopeptide enrichment procedures upon in-solution and in-gel digestions of proteins. Are there readily applicable protocols suitable for matrix-assisted laser desorption/ionization mass spectrometrybased phosphopeptide stability estimations? European Journal of Mass Spectrometry 2011;17(5):507–23. 

Eschner MS, Gro, Horvath T, Gonin M, Zimmermann R. Quasi-simultaneous acquisition of hard electron ionization and soft single-photon ionization mass spectra during GC/MS analysis by rapid switching between both ionization methods: Analytical concept, setup, and application on diesel fuelAnalytical Chemistry 2011;83(10):3865–72. 

Eschner MS, Selmani I, Gröger TM, Zimmermann R. Online comprehensive two-dimensional characterization of puff-by-puff resolved cigarette smoke by hyphenation of fast gas chromatography to single-photon ionization time-of-flight mass spectrometry: Quantification of hazardous volatile organic compoundsAnalytical Chemistry 2011;83(17):6619–27. 

Eschner MS, Zimmermann R. Determination of photoionization cross-sections of different organic molecules using gas chromatography coupled to single-photon ionization (SPI) time-of-flight mass spectrometry (TOF-MS) with an electron-beam-pumped rare gas excimer light source (EBEL): Influence of molecular structure and analytical implicationsApplied Spectroscopy 2011;65(7):806–16. 

Gonzalez O, Alonso RM, Ferreirós N, Weinmann W, Zimmermann R, Dresen S. Development of an LC-MS/MS method for the quantitation of 55 compounds prescribed in combined cardiovascular therapyJournal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences 2011;879(3-4):243–52. 

Grabowsky J, Streibel T, Sklorz M, Chow JC, Watson JG, Mamakos A, Zimmermann R. Hyphenation of a carbon analyzer to photo-ionization mass spectrometry to unravel the organic composition of particulate matter on a molecular levelAnalytical and Bioanalytical Chemistry 2011;401(10):3153–64. 

Gröger T, Zimmermann R. Application of parallel computing to speed up chemometrics for GC × GC-TOFMS based metabolic fingerprintingTalanta 2011;83(4):1289–94. 

Gu J, Pitz M, Schnelle-Kreis J, Diemer J, Reller A, Zimmermann R, Soentgen J, Stoelzel M, Wichmann H-E, Peters A, Cyrys J. Source apportionment of ambient particles: Comparison of positive matrix factorization analysis applied to particle size distribution and chemical composition dataAtmospheric Environment 2011;45(10):1849–57. 

Kraus U, Breitner S, Schnelle-Kreis J, Cyrys J, Lanki T, Rückerl R, Schneider A, Brüske I, Gu J, Devlin R, Wichmann H-E, Zimmermann R, Peters A. Particle-associated organic compounds and symptoms in myocardial infarction survivorsInhalation Toxicology 2011;23(7):431–47. 

Kunde R, Brandt C, Dobmeier B, Schnelle-Kreis J, Schmoeckel G, Gaderer M, Zimmermann R. Contribution of particulate emissions from wood combustion to ambient particulate matter in urban environments in Augsburg - Part 2: Dispersion calculationGefahrstoffe Reinhaltung der Luft 2011;71(11-12):507–12. 

Orasche J, Schnelle-Kreis J, Abbaszade G, Zimmermann R. Technical Note: In-situ derivatization thermal desorption GC-TOFMS for direct analysis of particle-bound non-polar and polar organic speciesAtmospheric Chemistry and Physics 2011;11(17):8977–93. 

Oster M, Elsasser M, Schnelle-Kreis J, Zimmermann R. First field application of a thermal desorption resonance-enhanced multiphoton-ionisation single particle time-of-flight mass spectrometer for the on-line detection of particle-bound polycyclic aromatic hydrocarbonsAnalytical and Bioanalytical Chemistry 2011;401(10):3173–82. 

Pietrogrande MC, Abbaszade G, Schnelle-Kreis J, Bacco D, Mercuriali M, Zimmermann R. Seasonal variation and source estimation of organic compounds in urban aerosol of Augsburg, GermanyEnvironmental Pollution 2011;159(7):1861–8. 

Saraji-Bozorgzad MR, Streibel T, Eschner M, Groeger TM, Geissler R, Kaisersberger E, Denner T, Zimmermann R. Investigation of polymers by a novel analytical approach for evolved gas analysis in thermogravimetry: Gas chromatography comprehensively coupled to single photon ionization mass spectrometryJournal of Thermal Analysis and Calorimetry 2011;105(3):859–66. 

Saraji-Bozorgzad MR, Streibel T, Kaisersberger E, Denner T, Zimmermann R. Detection of organic products of polymer pyrolysis by thermogravimetry- supersonic jet-skimmer time-of-flight mass spectrometry (TG-Skimmer-SPI-TOFMS) using an electron beam pumped rare gas excimer VUV-light source (EBEL) for soft photo ionisationJournal of Thermal Analysis and Calorimetry 2011;105(2):691–7. 

Schäfer K, Thomas W, Peters A, Ries L, Obleitner F, Schnelle-Kreis J, Birmili W, Diemer J, Fricke W, Junkermann W, Pitz M, Emeis S, Forkel R, Suppan P, Flentje H, Gilge S, Wichmann HE, Meinhardt F, Zimmermann R, Weinhold K, Soentgen J, Münkel C, Freuer C, Cyrys J. Influences of the 2010 Eyjafjallajökull volcanic plume on air quality in the northern Alpine regionAtmospheric Chemistry and Physics 2011;11(16):8555–75. 

Schnelle-Kreis J, Orasche J, Abbaszade G, Schäfer K, Harlos DP, Hansen A, Zimmermann R. Application of direct thermal desorption gas chromatography time-of-flight mass spectrometry for determination of nonpolar organics in low-volume samples from ambient particulate matter and personal samplersAnalytical and Bioanalytical Chemistry 2011;401(10):3083–94. 

Schwoebel H, Schubert R, Sklorz M, Kischkel S, Zimmermann R, Schubert JK, Miekisch W. Phase-resolved real-time breath analysis during exercise by means of smart processing of PTR-MS dataAnalytical and Bioanalytical Chemistry 2011;401(7):2079–91. 

Zimmermann R. Ambient aerosols and human health: Working towards a combined analytical and toxicological approachAnalytical and Bioanalytical Chemistry 2011;401(10):3041–4.



Adam T, McAughey J, Mocker C, McGrath C, Zimmermann R. Influence of filter ventilation on the chemical composition of cigarette mainstream smokeAnalytica Chimica Acta 2010;657(1):36–44. 

Deuerling CF, Maguhn J, Nordsieck HO, Warnecke R, Zimmermann R. Measurement system for characterization of gas and particle phase of high temperature combustion aerosolsAerosol Science and Technology 2010;44(1):1–9. 

Dresen S, Ferreirós N, Gnann H, Zimmermann R, Weinmann W. Detection and identification of 700 drugs by multi-target screening with a 3200 Q TRAP® LC-MS/MS system and library searchingAnalytical and Bioanalytical Chemistry 2010;396(7):2425–34. 

Dresen S, Ferreirós N, Pütz M, Westphal F, Zimmermann R, Auwärter V. Monitoring of herbal mixtures potentially containing synthetic cannabinoids as psychoactive compoundsJournal of Mass Spectrometry 2010;45(10):1186–94. 

Eschner MS, Welthagen W, Gröger TM, Gonin M, Fuhrer K, Zimmermann R. Comprehensive multidimensional separation methods by hyphenation of single-photon ionization time-of-flight mass spectrometry (SPI-TOF-MS) with GC and GC×GCAnalytical and Bioanalytical Chemistry 2010;398(3):1435–45. 

Mleth M, Schubert JK, Gröger T, Sabei B, Kischkel S, Fuchs P, Hein D, Zimmermann R, Miekisch W. Automated needle trap heart-cut GC/MS and needle trap comprehensive two-dimensional GC/TOF-MS for breath gas analysis in the clinical environmentAnalytical Chemistry 2010;82(6):2541–51. 

Saraji-Bozorgzad MR, Eschner M, Groeger TM, Streibel T, Geissler R, Kaisersberger E, Denner T, Zimmermann R. Highly resolved online organic-chemical speciation of evolved gases from thermal analysis devices by cryogenically modulated fast gas chromatography coupled to single photon ionization mass spectrometryAnalytical Chemistry 2010;82(23):9644–53. 

Schnelle-Kreis J, Kunde R, Schmoeckel G, Abbaszade G, Gaderer M, Diemer J, Ott H, Zimmermann R. Contribution of particulate emissions from wood combustion to ambient particulate matter in urban environments in Augsburg - Part 1: Emission and ambient air measurementsGefahrstoffe Reinhaltung der Luft 2010;70(5):203–9. 

Walgraeve C, Demeestere K, Dewulf J, Zimmermann R, van Langenhove H. Oxygenated polycyclic aromatic hydrocarbons in atmospheric particulate matter: Molecular characterization and occurrenceAtmospheric Environment 2010;44(15):1831–46.



Adam T, McAughey J, McGrath C, Mocker C, Zimmermann R. Simultaneous on-line size and chemical analysis of gas phase and particulate phase of cigarette mainstream smokeAnalytical and Bioanalytical Chemistry 2009;394(4):1193–203. 

Bente M, Sklorz M, Streibel T, Zimmermann R. Thermal desorption-multiphoton ionization time-of-flight mass spectrometry of individual aerosol particles: A simplified approach for online single-particle analysis of polycyclic aromatic hydrocarbons and their derivativesAnalytical Chemistry 2009;81(7):2525–36. 

Deuerling C, Maguhn J, Nordsieck H, Benker B, Zimmermann R, Warnecke R. Investigation of the mechanisms of heat exchanger corrosion in a municipal waste incineration plant by analysis of the raw gas and variation of operating parametersHeat Transfer Engineering 2009;30(10-11):822–31. 

Geißler R, Saraji-Bozorgzad M, Streibel T, Kaisersberger E, Denner T, Zimmermann R. Investigation of different crude oils applying thermal analysis/mass spectrometry with soft photoionisationJournal of Thermal Analysis and Calorimetry 2009;96(3):813–20.

Geissler R, Saraji-Bozorgzad MR, Gröger T, Fendt A, Streibel T, Sklorz M, Krooss BM, Fuhrer K, Gonin M, Kaisersberger E, Denner T, Zimmermann R. Single photon ionization orthogonal acceleration time-of-flight mass spectrometry and resonance enhanced multiphoton ionization time-of-flight mass spectrometry for evolved gas analysis in thermogravimetry: Comparative analysis of crude oilsAnalytical Chemistry 2009;81(15):6038–48. 

Hanley L, Zimmermann R. Light and molecular ions: The emergence of vacuum UV single-photon ionization in MSAnalytical Chemistry 2009;81(11):4174–82. 

McAughey J, Adam T, McGrath C, Mocker C, Zimmermann R. Simultaneous on-line size and chemical analysis of gas phase and particulate phase of mainstream tobacco smokeJournal of Physics: Conference Series 2009;151. 

Saraji-Bozorgzad M, Geiler R, Streibel T, Sklorz M, Kaisersberger E, Denner T, Zimmermann R. Hyphenation of a thermobalance to soft single photon ionisation mass spectrometry for evolved gas analysis in thermogravimetry (TG-EGA)Journal of Thermal Analysis and Calorimetry 2009;97(2):689–94. 

Schnelle-Kreis J, Küpper U, Sklorz M, Cyrys J, Briedé JJ, Peters A, Zimmermann R. Daily measurement of organic compounds in ambient particulate matter in Augsburg, Germany: New aspects on aerosol sources and aerosol related health effectsBiomarkers 2009;14(SUPPL.1):39–44. 

Schramm E, Heindl T, Hölzer J, McNeish A, Puetze M, Ries H et al. (eds.). Application and field test of a mobile thermal desorption - single photon ionization - ion trap mass spectrometer (TD-SPI-ITMS) for trace detection of security relevant substances; 2009. 

Schramm E, Hölzer J, Pütz M, Schulte-Ladbeck R, Schultze R, Sklorz M, Ulrich A, Wieser J, Zimmermann R. Real-time trace detection of security-relevant compounds in complex sample matrices by thermal desorption-single photon ionization-ion trap mass spectrometry (TD-SPI-ITMS) Spectrometry (TD-SPI-ITMS)Analytical and Bioanalytical Chemistry 2009;395(6):1795–807. 

Schramm E, Kürten A, Hölzer J, Mitschke S, Mühlberger F, Sklorz M, Wieser J, Ulrich A, Pütz M, Schulte-Ladbeck R, Schultze R, Curtius J, Borrmann S, Zimmermann R. Trace detection of organic compounds in complex sample matrixes by single photon ionization ion trap mass spectrometry: Real-time detection of security-relevant compounds and online analysis of the coffee-roasting processAnalytical Chemistry 2009;81(11):4456–67. 

Streibel T, Fendt A, Geiler R, Kaisersberger E, Denner T, Zimmermann R. Thermal analysis/mass spectrometry using soft photo-ionisation for the investigation of biomass and mineral oilsJournal of Thermal Analysis and Calorimetry 2009;97(2):615–9.

Streibel T, Geißler R, Saraji-Bozorgzad M, Sklorz M, Kaisersberger E, Denner T, Zimmermann R. Evolved gas analysis (EGA) in TG and DSC with single photon ionisation mass spectrometry (SPI-MS): Molecular organic signatures from pyrolysis of soft and hard wood, coal, crude oil and ABS polymerJournal of Thermal Analysis and Calorimetry 2009;96(3):795–804.



Bente M, Sklorz M, Streibel T, Zimmermann R. Online laser desorption-multiphoton postionization mass spectrometry of individual aerosol particles: Molecular source indicators for particles emitted from different traffic-related and wood combustion sourcesAnalytical Chemistry 2008;80(23):8991–9004. 

Dellinger B, D'Alessio A, D'Anna A, Ciajolo A, Gullett B, Henry H, Keener M, Lighty J, Lomnicki S, Lucas D, Oberdörster G, Pitea D, Suk W, Sarofim A, Smith KR, Stoeger T, Tolbert P, Wyzga R, Zimmermann R. Combustion byproducts and their health effects: Summary of the 10 th international congressEnvironmental Engineering Science 2008;25(8):1107–14. 

Gröger T, Welthagen W, Mitschke S, Schäffer M, Zimmermann R. Application of comprehensive two-dimensional gas chromatography mass spectrometry and different types of data analysis for the investigation of cigarette particulate matterJournal of Separation Science 2008;31(19):3366–74. 

Gröger T, Schäffer M, Pütz M, Ahrens B, Drew K, Eschner M, Zimmermann R. Application of two-dimensional gas chromatography combined with pixel-based chemometric processing for the chemical profiling of illicit drug samplesJournal of Chromatography A 2008;1200(1):8–16. 

Saraji-Bozorgzad M, Geissler R, Streibel T, Mühlberger F, Sklorz M, Kaisersberger E, Denner T, Zimmermann R. Thermogravimetry coupled to single photon ionization quadrupole mass spectrometry: A tool to investigate the chemical signature of thermal decomposition of polymeric materialsAnalytical Chemistry 2008;80(9):3393–403. 

Schramm E, Borrmann S, Curtius J, Goertler A, Heindl T, Kuerten A et al. (eds.). Detection of security relevant Substances within the cooperative Project SAFE XUV; 2008. 

Zimmermann R, Mühlberger F, Fuhrer K, Gonin M, Welthagen W. An ultracompact photo-ionization time-of-flight mass spectrometer with a novel vacuum ultraviolet light source for on-line detection of organic trace compounds and as a detector for gas chromatographyJournal of Material Cycles and Waste Management 2008;10(1):24–31. 

Zimmermann R, Welthagen W, Gröger T. Photo-ionisation mass spectrometry as detection method for gas chromatography. Optical selectivity and multidimensional comprehensive separationsJournal of Chromatography A 2008;1184(1-2):296–308.



Adam T, Baker RR, Zimmermann R. Characterization of puff-by-puff resolved cigarette mainstream smoke by single photon ionization-time-of-flight mass spectrometry and principal component analysisJournal of Agricultural and Food Chemistry 2007;55(6):2055–61. 

Adam T, Baker RR, Zimmermann R. Investigation, by single photon ionisation (SPI)-time-of-flight mass spectrometry (TOFMS), of the effect of different cigarette-lighting devices on the chemical composition of the first cigarette puffAnalytical and Bioanalytical Chemistry 2007;387(2):575–84. 

Adam T, Zimmermann R. Determination of single photon ionization cross sections for quantitative analysis of complex organic mixturesAnalytical and Bioanalytical Chemistry 2007;389(6):1941–51. 

Deuerling C, Maguhn J, Nordsieck H, Warnecke R, Zimmermann R. Raw gas analysis in waste incineration as basis for process control: Sampling system and general results; 2007. 

Neuer-Etscheidt K, Orasche J, Nordsieck H, Streibel T, Zimmermann R, Kettrup A. Changes in PCDD/PCDF formation processes during instationary phases of combustor operation - Exemplified by the use of Cl4DD isomer patternsChemosphere 2007;67(9). 

Schnelle-Kreis J, Sklorz M, Herrmann H, Zimmermann R. Sources occurrence and composition of atmospheric aerosolsChemie in Unserer Zeit 2007;41(3):220–30. 

Schnelle-Kreis J, Sklorz M, Orasche J, Stölzel M, Peters A, Zimmermann R. Semi volatile organic compounds in ambient PM2.5. Seasonal trends and daily resolved source contributionsEnvironmental Science and Technology 2007;41(11):3821–8. 

Sklorz M, Briedé J-J, Schnelle-Kreis J, Liu Y, Cyrys J, Kok TM de, Zimmermann R. Concentration of oxygenated polycyclic aromatic hydrocarbons and oxygen free radical formation from urban particulate matterJournal of Toxicology and Environmental Health - Part A: Current Issues 2007;70(21):1866–9. 

Sklorz M, Schnelle-Kreis J, Liu Y, Orasche J, Zimmermann R. Daytime resolved analysis of polycyclic aromatic hydrocarbons in urban aerosol samples - Impact of sources and meteorological conditionsChemosphere 2007;67(5):934–43. 

Streibel T, Mitschke S, Adam T, Weh J, Zimmermann R. Thermal desorption/pyrolysis coupled with photo ionisation time-of-flight mass spectrometry for the analysis and discrimination of pure tobacco samplesJournal of Analytical and Applied Pyrolysis 2007;79(1-2 SPEC. ISS):24–32. 

Streibel T, Nordsieck H, Neuer-Etscheidt K, Schnelle-Kreis J, Zimmermann R. Experimental and statistical determination of indicator parameters for the evaluation of fly ash and boiler ash PCDD/PCDF concentration from municipal solid waste incineratorsChemosphere 2007;67(9). 

Vogt L, Gröger T, Zimmermann R. Automated compound classification for ambient aerosol sample separations using comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometryJournal of Chromatography A 2007;1150(1-2):2–12. 

Welthagen W, Mitschke S, Mühlberger F, Zimmermann R. One-dimensional and comprehensive two-dimensional gas chromatography coupled to soft photo ionization time-of-flight mass spectrometry: A two- and three-dimensional separation approachJournal of Chromatography A 2007;1150(1-2):54–61. 

Zimmermann R, Mocker C, Adam T, Mühlberger F, Mitschke S (eds.). Photo-ionization mass spectrometry for on-line analysis of organic compounds in human breath and in tobacco smoke upon inhalation; 2007. 

Zimmermann R, Mühlberger F, Ulrich A, Wieser J. Photoionization mass spectrometry with new light sourceNachrichten aus der Chemie 2007;55(4):425–9.



Adam T, Mitschke S, Streibel T, Baker RR, Zimmermann R. Puff-by-puff resolved characterisation of cigarette mainstream smoke by single photon ionisation (SPI)-time-of-flight mass spectrometry (TOFMS): Comparison of the 2R4F research cigarette and pure Burley, Virginia, Oriental and Maryland tobacco cigarettesAnalytica Chimica Acta 2006;572(2):219–29. 

Adam T, Mitschke S, Streibel T, Baker RR, Zimmermann R. Quantitative puff-by-puff-resolved characterization of selected toxic compounds in cigarette mainstream smokeChemical Research in Toxicology 2006;19(4):511–20. 

Bente M, Adam T, Ferge T, Gallavardin S, Sklorz M, Streibel T, Zimmermann R. An on-line aerosol laser mass spectrometer with three, easily interchangeable laser based ionisation methods for characterisation of inorganic and aromatic compounds on particlesInternational Journal of Mass Spectrometry 2006;258(1-3):86–94. 

Cao L, Muhlberger F, Adam T, Streibel T, Zimmermann R, Kettrup A, Wang H-Z. Pyrolysis behavior of paint in car steel sheet recycling processJournal of Iron and Steel Research 2006;18(1). 

Ferge T, Karg E, Schröppel A, Coffee KR, Tobias HJ, Frank M, Gard EE, Zimmermann R. Fast determination of the relative elemental and organic carbon content of aerosol samples by on-line single-particle aerosol time-of-flight mass spectrometryEnvironmental Science and Technology 2006;40(10):3327–35. 

Hauler TE, Zimmermann R, Boesl U. Analysis of biomass and its combustion products by means of resonance enhanced multiphoton ionisation time-of-flight mass spectrometry and IR laser desorptionJournal of Physics: Conference Series 2006;45(1):231. 

Liu Y, Sklorz M, Schnelle-Kreis J, Orasche J, Ferge T, Kettrup A, Zimmermann R. Oxidant denuder sampling for analysis of polycyclic aromatic hydrocarbons and their oxygenated derivates in ambient aerosol: Evaluation of sampling artefactChemosphere 2006;62(11):1889–98. 

Mitschke S, Welthagen W, Zimmermann R. Comprehensive gas chromatography - Time-of-flight mass spectrometry using soft and selective photoionization techniquesAnalytical Chemistry 2006;78(18):6364–75. 

Neuer-Etscheidt K, Nordsieck HO, Liu Y, Kettrup A, Zimmermann R. PCDD/F and other micropollutants in MSWI crude gas and ashes during plant start-up and shut-down processesEnvironmental Science and Technology 2006;40(1):342–9. 

Streibel T, Hafner K, Mühlberger F, Adam T, Warnecke R, Zimmermann R. Investigation of NOx precursor compounds and other combustion by-products in the primary combustion zone of a waste-incineration plant using on-line, real-time mass spectrometry and Fourier-transform infrared spectrometry (FTIR)Analytical and Bioanalytical Chemistry 2006;384(5):1096–106. 

Streibel T, Hafner K, Mühlberger F, Adam T, Zimmermann R. Resonance-enhanced multiphoton ionization time-of-flight mass spectrometry for detection of nitrogen containing aliphatic and aromatic compounds: Resonance-enhanced multiphoton ionization spectroscopic investigation and on-line analytical applicationApplied Spectroscopy 2006;60(1):72–9. 

Streibel T, Weh J, Mitschke S, Zimmermann R. Thermal desorption/pyrolysis coupled with photoionization time-of-flight mass spectrometry for the analysis of molecular organic compounds and oligomeric and polymeric fractions in urban particulate matterAnalytical Chemistry 2006;78(15):5354–61. 

Warnecke R, Deuerling C, Haider F, Horn S, Maguhn J, Müller V et al. High temperature chlorine corrosion in facilities with loaded fuels; 2006. 

Zimmermann R, Schnelle-Kreis J, Sklorz M, Streibel T. Organic compounds in fine dust particlesNachrichten aus der Chemie 2006;54(6):676–80. 

Zimmermann R, Welthagen W, Gröger T. Multimensional analysis of complex systems with GC and MSNachrichten aus der Chemie 2006;54(11):1115–9.



Adam T, Ferge T, Mitschke S, Streibel T, Baker RR, Zimmermann R. Discrimination of three tobacco types (Burley, Virginia and Oriental) by pyrolysis single-photon ionisation-time-of-flight mass spectrometry and advanced statistical methodsAnalytical and Bioanalytical Chemistry 2005;381(2):487–99. 

Adam T, Streibel T, Mitschke S, Mühlberger F, Baker RR, Zimmermann R. Application of time-of-flight mass spectrometry with laser-based photoionization methods for analytical pyrolysis of PVC and tobaccoJournal of Analytical and Applied Pyrolysis 2005;74(1-2):454–64. 

Ferge T, Maguhn J, Hafner K, Mühlberger F, Davidovic M, Warnecke R, Zimmermann R. On-line analysis of gas-phase composition in the combustion chamber and particle emission characteristics during combustion of wood and waste in a small batch reactorEnvironmental Science and Technology 2005;39(6):1393–402. 

Ferge T, Mühlberger F, Zimmermann R. Application of infrared laser desorption Vacuum-UV single-photon ionization mass spectrometry for analysis of organic compounds from particulate matter filter samplesAnalytical Chemistry 2005;77(14):4528–38. 

Fernandes-Whaley M, Mühlberger F, Whaley A, Adam T, Zimmermann R, Rohwer E, Walte A. On-line derivatization for resonance-enhanced multiphoton ionization time-of-flight mass spectrometry: Detection of aliphatic aldehydes and amines via reactive coupling of aromatic photo ionization labelsAnalytical Chemistry 2005;77(1):1–10. 

Mitschke S, Adam T, Streibel T, Baker RR, Zimmermann R. Application of time-of-flight mass spectrometry with laser-based photoionization methods for time-resolved on-line analysis of mainstream cigarette smokeAnalytical Chemistry 2005;77(8):2288–96. 

Mühlberger F, Streibel T, Wieser J, Ulrich A, Zimmermann R. Single photon ionization time-of-flight mass spectrometry with a pulsed electron beam pumped excimer VUV lamp for on-line gas analysis: Setup and first results on cigarette smoke and human breathAnalytical Chemistry 2005;77(22):7408–14. 

Mühlberger F, Wieser J, Morozov A, Ulrich A, Zimmermann R. Single-photon ionization quadrupole mass spectrometry with an electron beam pumped excimer light sourceAnalytical Chemistry 2005;77(7):2218–26. 

Schnelle-Kreis J, Sklorz M, Peters A, Cyrys J, Zimmermann R. Analysis of particle-associated semi-volatile aromatic and aliphatic hydrocarbons in urban particulate matter on a daily basisAtmospheric Environment 2005;39(40):7702–14. 

Schnelle-Kreis J, Welthagen W, Sklorz M, Zimmermann R. Application of direct thermal desorption gas chromatography and comprehensive two-dimensional gas chromatography coupled to time of flight mass spectrometry for analysis of organic compounds in ambient aerosol particlesJournal of Separation Science 2005;28(14):1648–57. 

Shellie RA, Welthagen W, Zrostliková J, Spranger J, Ristow M, Fiehn O, Zimmermann R. Statistical methods for comparing comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry results: Metabolomic analysis of mouse tissue extractsJournal of Chromatography A 2005;1086(1-2):83–90. 

Welthagen W, Shellie RA, Spranger J, Ristow M, Zimmermann R, Fiehn O. Comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GC × GC-TOF) for high resolution metabolomics: Biomarker discovery on spleen tissue extracts of obese NZO compared to lean C57BL/6 miceMetabolomics 2005;1(1):65–73. 

Zimmermann R. Laser ionisation mass spectrometry for on-line analysis of complex gas mixtures and combustion effluentsAnalytical and Bioanalytical Chemistry 2005;381(1):57–60.



Dorfner R, Ferge T, Yeretzian C, Kettrup A, Zimmermann R. Laser Mass Spectrometry as On-Line Sensor for Industrial Process Analysis: Process Control of Coffee RoastingAnalytical Chemistry 2004;76(5):1386–402. 

Ferge T, Karg E, Schröppel A, Tobias H, Frank M, Gard E, Zimmermann R. Single particle analysis of standard soot samples for fast determination of EC/OC valuesJournal of Aerosol Science 2004;35(SUPPL. 2). 

Ferge T, Maguhn J, Felber H, Zimmermann R. Particle Collection Efficiency and Particle Re-entrainment of an Electrostatic Precipitator in a Sewage Sludge Incineration PlantEnvironmental Science and Technology 2004;38(5):1545–53. 

Ferge T, Maguhn J, Hafner K, Muhlberger F, Davidovic M, Zimmermann R. Correlation of gas-phase composition and particle emission during combustion of wood and model waste in a small batch factorJournal of Aerosol Science 2004;35(SUPPL. 2). 

Gallavardin S, Ferge T, Zimmermann R. Combined operation of a laser based single particle mass spectrometer with an aerodynamical particle sizerJournal of Aerosol Science 2004;35(SUPPL. 2). 

Hauler TE, Boesl U, Kaesdorf S, Zimmermann R. Mobile resonance enhanced multiphoton ionisation-time-of-flight mass spectrometer with a novel hybrid laser desorption/molecular beam ion source for rapid detection of aromatic trace compounds from gas phase and solid samplesJournal of Chromatography A 2004;1058(1-2):39–49. 

Lei C, Zimmermann R, Kettrup A, Haizhou W. Investigation of combustion/pyrolysis behavior of polyvinyl chloride materials by on-line single photon ionization/resonance enhanced multi-photon ionization-time of flight mass spectrometryFenxi Huaxue 2004;32(6):699–704. 

Mühlberger F, Hafner K, Kaesdorf S, Ferge T, Zimmermann R. Comprehensive on-line characterization of complex gas mixtures by quasi-simultaneous resonance-enhanced multiphoton ionization, vacuum-UV single-photon ionization, and electron impact ionization in a time-of-flight mass spectrometer: Setup and instrument characterizationAnalytical Chemistry 2004;76(22):6753–64. 

Schnelle-Kreis J, Sklorz M, Zimmermann R. Time series analysis of SVOC in urban PM 2.5Journal of Aerosol Science 2004;35(SUPPL. 2). 

Ulrich A, Morozov A, Krücken R, Görtler A, Wieser J, Kornfeld G et al. (eds.). Electron beam pumped ultraviolet light sources; 2004. 

Wieser J, Morozov A, Mühlberger F, Zimmermann R, Ulrich A (eds.). Electron beam pumped ultraviolet light sources; 2004.



Cao L, Mühlberger F, Adam T, Streibel T, Wang HZ, Kettrup A, Zimmermann R. Resonance-Enhanced Multiphoton Ionization and VUV-Single Photon Ionization as Soft and Selective Laser Ionization Methods for On-Line Time-of-Flight Mass Spectrometry: Investigation of the Pyrolysis of Typical Organic Contaminants in the Steel Recycling ProcessAnalytical Chemistry 2003;75(21):5639–45. 

Dorfner R, Ferge T, Kettrup A, Zimmermann R, Yeretzian C. Real-time monitoring of 4-vinylguaiacol, guaiacol, and phenol during coffee roasting by resonant laser ionization time-of-flight mass spectrometryJournal of Agricultural and Food Chemistry 2003;51(19):5768–73. 

Maguhn J, Karg E, Kettrup A, Zimmermann R. On-line analysis of the size distribution of fine and ultrafine aerosol particles in flue and stack gas of a municipal waste incineration plant: Effects of dynamic process control measures and emission reduction devicesEnvironmental Science and Technology 2003;37(20):4761–70. 

Uchimura T, Hafner K, Zimmermann R, Imasaka T. Multiphoton ionization mass spectrometry of chlorophenols as indicators for dioxinsApplied Spectroscopy 2003;57(4):461–5. 

Welthagen W, Schnelle-Kreis J, Zimmermann R. Search criteria and rules for comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry analysis of airborne particulate matterJournal of Chromatography A 2003;1019(1-2):233–49. 

Zimmermann R, Ferge T, Gälli M, Karlsson R. Application of single-particle laser desorption/ionization time-of-flight mass spectrometry for detection of polycyclic aromatic hydrocarbons from soot particles originating from an industrial combustion processRapid Communications in Mass Spectrometry 2003;17(8):851–9.



Dorfner R, Ferge T, Yeretzian C, Kettrup A, Zimmermann R (eds.). On-line analysis of coffee roasting off-gas with laser ionisation (REMPI and SPI) mass spectrometry. Measurement at large scale roasting facilities and on-line determination of the roast degree; 2002. 

Ferge T, Karlsson R, van Vaeck L, Adams F, Zimmermann R (eds.). Analysis of soot samples from an incineration plant with FT LMMS and ATOFMS. Observation of adsorbed polycyclic aromatic hydrocarbons; 2002. 

Hafner K, Mühlberger F, Hauler T, Boesl U, Kettrup A, Warnecke R et al. (eds.). Application of laser-mass spectrometry for on-line monitoring of organic compounds in the flame-zone (1100-800°C) of industrial combustion processes; 2002. 

Mühlberger F, Wieser J, Ulrich A, Zimmermann R. Single photon ionization (SPI) via incoherent VUV-excimer light: Robust and compact time-of-flight mass spectrometer for on-line, real-time process gas analysisAnalytical Chemistry 2002;74(15):3790–801. 

Zimmermann R. On-line process and product analysis with mass spectrometryNachrichten aus der Chemie 2002;50(2):166–9. 

Zimmermann R, Mühlberger F, Ulrich A (eds.). Electron pumped rare gas excimer lamps as novel, brilliant and intense VUV radiation sources for photo-ionization mass spectrometry: Technical realization of a VUV-lamp-SPI-TOFMS instrument and first application results; 2002.



Blumenstock M, Zimmermann R, Schramm K-W, Kettrup A. Identification of surrogate compounds for the emission of PCDD/F (I-TEQ value) and evaluation of their on-line realtime detectability in flue gases of waste incineration plants by REMPI-TOFMS mass spectrometryChemosphere 2001;42(5-7):507–18. 

Hafner K, Zimmermann R, Rohwer ER, Dorfner R, Kettrup A. A capillary-based supersonic jet inlet system for resonance-enhanced laser ionization mass spectrometry: Principle and first on-line process analytical applicationsAnalytical Chemistry 2001;73(17):4171–80. 

Heger HJ, Zimmermann R, Blumenstock M, Kettrup A. On-line real-time measurements at incineration plants: PAHs and a PCDD/F surrogate compound at stationary combustion conditions and during transient emission puffsChemosphere 2001;42(5-7):691–6. 

Mühlberger F, Zimmermann R, Kettrup A. A mobile mass spectrometer for comprehensive on-line analysis of trace and bulk components of complex gas mixtures: Parallel application of the laser-based ionization methods VUV single-photon ionization, resonant multiphoton ionization, and laser-induced electron impact ionizationAnalytical Chemistry 2001;73(15):3590–604. 

Zimmermann R, Blumenstock M, Heger HJ, Schramm K-W, Kettrup A. Emission of nonchlorinated and chlorinated aromatics in the flue gas of incineration plants during and after transient disturbances of combustion conditions: Delayed emission effectsEnvironmental Science and Technology 2001;35(6):1019–30.



Blumenstock M, Zimmermann R, Schramm K-W, Kettrup A. Influence of combustion conditions on the PCDD/F-, PCB-, PCBz- and PAH- concentrations in the post-combustion chamber of a waste incineration pilot plantChemosphere 2000;40(9-11):987–93. 

Boesl U, Rink J, Zimmermann R, Püffel P. Resonante Lasermassenspektrometrie: Neue Möglichkeiten für schnelle und mobile chemische Analytik in Industrie und Umwelt; 2000. 

Maguhn J, Zimmermann R, Karg E, Kettrup A. On-line measurement of the particle-size distribution in the stack gas of a waste incineration plantJournal of Aerosol Science 2000;31(SUPPL.1). 

Zimmermann R, Hauler T, Muhlberger F, Kettrup A (eds.). Comparison between two real-time on-line analytical methods for monitoring organic trace compounds in combustion effluents; 2000. 

Zimmermann R, Heger HJ, Kettrup A, Nikolai U. Direct observation of the formation of aromatic pollutants in waste incineration flue gases by on-line REMPI-TOFMS laser mass spectrometryFresenius' Journal of Analytical Chemistry 2000;366(4):368–74. 

Zimmermann R, Maguhn J, Kettrup A. On-line analysis of combustion aerosols in the state of formation (900-300 °C) at industrial incineratorsJournal of Aerosol Science 2000;31(SUPPL.1). 

Zimmermann R, Muhlberger F, Hafner K, Kettrup A (eds.). Real-time on-line measurements of combustion effluents using a TOF mass spectrometer with alternating VUV SPI and two photon REMPI; 2000. 

Zimmermann R, van Vaeck L, Davidovic M, Beckmann M, Adams F. Analysis of polycyclic aromatic hydrocarbons (PAH) adsorbed on soot particles by fourier transform laser microprobe mass spectrometry (FT LMMS): Variation of the PAH patterns at different positions in the combustion chamber of an incineration plantEnvironmental Science and Technology 2000;34(22):4780–8.



Blumenstock M, Zimmermann R, Schramm K-W, Kaune A, Nikolai U, Lenoir D, Kettrup A. Estimation of the dioxin emission (PCDD/FI-TEQ) from the concentration of low chlorinated aromatic compounds in the flue and stack gas of a hazardous waste incineratorJournal of Analytical and Applied Pyrolysis 1999;49(1):179–90. 

Heger HJ, Boesl U, Zimmermann R, Dorfner R, Kettrup A. On-line resonance-enhanced multiphoton ionization time-of-flight laser mass spectrometry for combined multi-component-pattern analysis and target-compound monitoring: Non-chlorinated aromatics and chlorobenzene in flue gases of combustion processesEuropean Journal of Mass Spectrometry 1999;5(1):51–7. 

Heger HJ, Dorfner R, Zimmermann R, Rohwer ER, Boesl U, Kettrup A. A novel interface for optimized coupling of gas chromatography and supersonic jet spectroscopyHRC Journal of High Resolution Chromatography 1999;22(7):391–4. 

Zimmermann R. On-line Lasermassenspektrometrie an technischen Verbrennungsanlagen: Ergebnisse und Perspektiven; 1999. 

Zimmermann R, Dorfner R, Kettrup A. Direct analysis of products from plant material pyrolysisJournal of Analytical and Applied Pyrolysis 1999;49(1):257–66. 

Zimmermann R, Heger HJ, Blumenstock M, Dorfner R, Schramm K-W, Boesl U, Kettrup A. On-line measurement of chlorobenzene in waste incineration flue gas as a surrogate for the emission of polychlorinated dibenzo-p-dioxins/furans (I-TEQ) using mobile resonance laser ionization time-of-flight mass spectrometryRapid Communications in Mass Spectrometry 1999;13(5):307–14.

Zimmermann R, Heger HJ, Kettrup A. On-line monitoring of traces of aromatic-, phenolic- and chlorinated components in flue gases of industrial scale incinerators and cigarette smoke by direct-inlet laser ionization-mass spectrometry (REMPI-TOFMS)Fresenius' Journal of Analytical Chemistry 1999;363(8):720–30. 

Zimmermann R, Rohwer ER, Heger HJ. In-line catalytic derivatization method for selective detection of chlorinated aromatics with a hyphenated gas chromatography/laser mass spectrometry technique: A concept for comprehensive detection of isomeric ensemblesAnalytical Chemistry 1999;71(19):4148–53.



Kaune A, Lenoir D, Schramm K-W, Zimmermann R, Kettrup A, Jaeger K, Rückel HG, Frank F. Chlorobenzenes and chlorophenols as indicator parameters for chlorinated dibenzodioxins and dibenzofurans in incineration processes: Influences of various facilities and sampling pointsEnvironmental Engineering Science 1998;15(1):85–95. 

Lenoir D, Wehrmeier A, Schramm K-W, Kaune A, Zimmermann R, Taylor PH, Sidhu SS. Thermal formation of polychlorinated dibenzo-p-dioxins and -furans: Investigations on relevant pathwaysEnvironmental Engineering Science 1998;15(1):37–47. 

Wehrmeier A, Lenoir D, Schramm K-W, Zimmermann R, Hahn K, Henkelmann B, Kettrup A. Patterns of isomers of chlorinated dibenzo-p-dioxins as tool for elucidation of thermal formation mechanismsChemosphere 1998;36(13):2775–801. 

Zimmermann R, Heger HJ, Dorfner R, Boesl U, Blumenstock M, Lenoir D, Kettrup A. A mobile laser mass spectrometer (REMPI-TOFMS) for continuous monitoring of toxic combustion byproducts: Real-time on-line analysis of PAH in waste incineration flue gasesCombustion Science and Technology 1998;134(1-6):87–101.



Boesl U, Nagel H, Zimmermann R, Frey R (eds.). Resonance ionization mass spectrometry and its application to trace analysis of emissions from combustion engines; 1997. 

Zimmermann R, Boesl U, Heger H-J, Rohwer ER, Ortner EK, Schlag EW, Kettrup A. Hyphenation of Gas Chromatography and Resonance-Enhanced Laser Mass Spectrometry (REMPI-TOFMS): A Multidimensional Analytical TechniqueHRC Journal of High Resolution Chromatography 1997;20(9):461–70.

Zimmermann R, Heger HJ, Dorfner R, Kettrup AA, Boesl U (eds.). Application of resonance-enhanced multiphoton ionization time-of-flight mass spectrometry (REMPI-TOFMS) for on-line trace analysis of combustion and pyrolysis products in technical processes; 1997. 

Zimmermann R, Heger HJ, Kettrup A, Boesl U. A mobile resonance-enhanced multiphoton ionization time-of-flight mass spectrometry device for on-line analysis of aromatic pollutants in waste incinerator flue gases: First resultsRapid Communications in Mass Spectrometry 1997;11(10):1095–102.



Nagel H, Boesl U, Zimmermann R, Frey R. Lasermassenspektromefrische analytik zur schnellen emissionsüberwachung; 1996.

Zimmermann R. A theoretical study on the molecular structure of biphenylene in its first excited singlet and triplet states: Quantum chemical calculations on the structural changes of an antiaromatic molecule upon excitationJournal of Molecular Structure 1996;377(1):35–46.

Zimmermann R, Heger HJ, Yeretzian C, Nagel H, Boesl U. Application of laser ionization mass spectrometry for on-line monitoring of volatiles in the headspace of food products: Roasting and brewing of coffeeRapid Communications in Mass Spectrometry 1996;10(15):1975–9.

Zimmermann R, Lenoir D, Kettrup A, Nagel H, Boesl U. On-line emission control of combustion processes by laser-induced resonance-enhanced multi-photon ionization/mass spectrometrySymposium (International) on Combustion 1996;26(2):2859–68.



Zimmermann R, Boesl U, Lenoir D, Kettrup A, Grebner T, Neusser HJ. The ionization energies of polychlorinated dibenzo-p-dioxins: new experimental results and theoretical studiesInternational Journal of Mass Spectrometry and Ion Processes 1995;145(1-2):97–108.



Boesl U, Zimmermann R, Weickhardt C, Lenoir D, Schramm K-W, Kettrup A, Schlag EW. Resonance-enhanced multi-photon ionization: a species-selective ion source for analytical time-of-flight mass spectroscopyChemosphere 1994;29(7):1429–40. 

Zimmermann R, Boesl U, Weickhardt C, Lenoir D, Schramm K-W, Kettrup A, Schlag EW. Isomer-selective ionization of chlorinated aromatics with lasers for analytical time-of-flight mass spectrometry: First results for polychlorinated dibenzo-p-dioxins (PCDD), biphenyls (PCB) and benzenes (PCBz)Chemosphere 1994;29(9-11):1877–88. 

Zimmermann R, Weickhardt C, Boesl U, Schlag EW. Influence of chlorine substituent positions on the molecular structure and the torsional potentials of dichlorinated biphenyls: R2PI spectra of the first singlet transition and AM1 calculationsJournal of Molecular Structure 1994;327(1):81–97.



Boesl U, Weickhardt C, Zimmermann R, Schmidt S, Nagel H. Fast exhaust gas probe for multicomponent analysis: Scientific/technical principleSAE Technical Papers 1993.