2023

Geochemical characterization of volcanic gas emissions at Santa Ana and San Miguel volcanoes, El Salvador, using remote-sensing and in situ measurements
Homann, J.; Karbach, N.; Carolin S.A.; James D.H.; Hodell, D.A.;  Breitenbach, S.F.M.; Kwiecien, O.; Brenner, M.; Peraza Lope, C.; Hoffmann, T.
Biogeosciences Discussions 2023, 1-19

Geochemical characterization of volcanic gas emissions at Santa Ana and San Miguel volcanoes, El Salvador, using remote-sensing and in situ measurements
Gutierrez, X.; Bobrowski, N.; Rüdiger, J.; Liotta, M.; Geil, B.; Hoffmann, T.; Gutierrez, E.; Dinger, F.; Montalvo, F.; Villalobos, M.; Escobar, D.
Front. Earth Sci., 01 June 2023, Sec. Volcanology
https://doi.org/10.3389/feart.2023.1049670

Heterogeneous chemistry and nanometer particle growth: Laboratory studies of particle size dependent aerosol chemistry
Hoffmann, T.; Klink, D.; Douverne, M.; Rautenberg, W.; George, D.; Riva, M.
Goldschmidt 2023 Conference

Varying chiral ratio of pinic acid enantiomers above the Amazon rainforest
Leppla, D.; Zannoni, N., Kremper, L.; Williams, J. ; Pöhlker, Ch.; Sá, M.; Solci, M.C.; Hoffmann, T.
Atmos. Chem. Phys., 23, 809–820, 2023
https://doi.org/10.5194/acp-23-809-2023

Strong particle production and condensational growth in the upper troposphere sustained by biogenic VOCs from the canopy of the Amazon Basin
Liu, H.; Su, H.; Wang, S.; Wei, C.; Tao, W.; Pöhlker, M.L.; Holanda, B.A.; Krüger. O.O.; Hoffmann, T.; Wendisch, M.; Artaxo, P.; Pöschl, U.; Andreae; M.O.; Cheng, Y.
Atmos. Chem. Phys., 23, 251–272, 2023
https://doi.org/10.5194/acp-23-251-2023

Analysis of organic aerosol markers and chiral compounds in an ice core from the Siberian Altai using UHPLC-HRMS
Schäfer, J.; Burgay, F.; Singer, T.; Schwikowski, M.; Hoffmann, T.
EGU23-9346, EGU General Assembly 2023
https://doi.org/10.5194/egusphere-egu23-9346

Polycyclic Aromatic Hydrocarbons (PAHs) in speleothems
Homann, J.; Breitenbach, S.; Carolin, S.; Hodell, D.; Oster, J.; de Wet, C.; Hoffmann, T.
EGU23-1735, EGU General Assembly 2023
https://doi.org/10.5194/egusphere-egu23-1735

Rapid gas measurements in volcanic plumes with UAVs: online and offline measurements of various trace gases with light UAVs
Karbach, N.; Geil, B.; Blumenroth, J.; Bozem, H.; von Glahn, C.;  Hoor, P.; Bobrowski, N.; Hoffmann, T.
EGU23-7516, EGU General Assembly 2023
https://doi.org/10.5194/egusphere-egu23-7516

Linked fire activity and climate whiplash in California during the early Holocene
Oster, J.; Homann, J.; de Wet, C.; Breitenbach, S.; Hoffmann, T.
EGU23-2097, EGU General Assembly 2023
https://doi.org/10.5194/egusphere-egu23-2097

Resurrecting lost forests – speleothems inform on environmental changes in northern Scotland during MIS 5e
Breitenbach, S.; Homann, J.; Couper, H.; Fox, B.R.S.; Kwiecien, O.; Lawson, T.J.; Hoffmann, T.
EGU23-9362, EGU General Assembly 2023
https://doi.org/10.5194/egusphere-egu23-9362

Detection of chlorine, bromine and bromine chloride (BrCl) in volcanic emissions: Studies at Mt. Etna (Italy), 2022
Geil, B.; Karbach, N.; Bobrowski, N., Hoffmann, T.
EGU23-6677, EGU General Assembly 2023
https://doi.org/10.5194/egusphere-egu23-6677

Halogens as tracers for magma evolution from the mantle source to the atmosphere – insights from simultaneous probing of tephra fallout and gas phase in the volcanic plume
Bobrowski, N.; Beidert, J.; Botcharnikov, R.; Buhre, S.; Butz, A.; Fuchs, C.; Geil, B.; Guiffrida, G.B.; Heimann, J.; Helo, C.; Hoffmann, T.; Knapp, M.; Krasheninnikov, S.; Kuhn, J., Liuzzo, M.; Ludwig, T.; Nies, A.; Schmitt, A.; Sturm, A.
https://doi.org/10.5194/egusphere-egu23-9539

Estimating Nitrogen Oxides emissions from inland waterway vessels using MAX-DOAS measurements – Results of pioneering measurements and plans to advance the method
Ripperger-Lukosiunaite, S.; Ziegler, S.; Donner, S.; Kuhn, L.; Hoffmann, T.; Hoor, P.; Wagner, T.
EGU23-7447, EGU General Assembly 2023
https://doi.org/10.5194/egusphere-egu23-7447

More water-soluble brown carbon after the residential “coal-to-gas” conversion measure in urban Beijing
Yuan, W., Huang, R.J., Shen, J.; Wang, K.; Yang, L.; Wang, T.; Gong, Y.; Cao, W.; Guo, J.; Ni, H.; Duan, J.; Hoffmann, T.
npj Clim Atmos Sci 6, 20 (2023)
https://doi.org/10.1038/s41612-023-00355-w

Publications 2022

Homann, J.; Oster, J. L.; Cameron, B. de Wet; Breitenbach, S.F.M.; Hoffmann, T.
Linked fire activity and climate whiplash in California during the early Holocene
Nat Commun 13, 7175 (2022).
https://doi.org/10.1038/s41467-022-34950-x

Thomsen, D.; Thomsen, L. D.; Iversen, E. M.; Björgvinsdóttir, T. N.; Vinther, S. F.;  Skønager, J. T.; Hoffmann, T.;  Elm, J.; Bilde, M.; Glasius, M.
Ozonolysis of α-Pinene and Δ3-Carene Mixtures: Formation of Dimers with Two Precursors
Environ. Sci. Technol. 2022
https://doi.org/10.1021/acs.est.2c04786

Karbach, N.; Bobrowski, N.; Hoffmann, T.
Observing volcanoes with drones: studies of volcanic plume chemistry with ultralight sensor systems
Scientific Reports volume 12, Article number: 17890 (2022)

Kampf, C.J., Corrigan, A. L, Johnson, A. M., Song, W., Keronen, P., Königstedt, R., Williams, J., Russell, L.M Petäjä, T., Fischer, H., Hoffmann, T.
First measurements of reactive α-dicarbonyl concentrations on PM<sub>2.5</sub> aerosol over the Boreal forest in Finland during HUMPPA-COPEC 2010 – source apportionment and links to aerosol aging
http://doi.org/10.25358/openscience-7796

Liu, Y.; Su, H.; Wang, S.; Wei, C.; Tao, W.; Pöhlker, M.L.; Pöhlker, C.; Holanda, B.A.; Krüger, O.O.; Hoffmann, T.; Wendisch, M.; Artaxo, P.; Pöschl, U.; Andreae, M.O.; Chen,
Strong particle production and condensational growth in the upper troposphere sustained by biogenic VOCs from the canopy of the Amazon Basin
Atmospheric Chemistry and Physics 2022
https://doi.org/10.5194/acp-2022-530

Huang, R.-J.; Hoffmann, T.; Ovadnevaite, J.; Laaksonen, A.; Kokkola, H.; Xu, W.; Xu, W.; Ceburnis, D.; Zhang, R.; Seinfeld, J.H. and O’Dowd, C.
Heterogeneous iodine-organic chemistry fast-tracks marinenew particle formation
PNAS 2022, Vol. 119, No. 32,  e2201729119
https://doi.org/10.1073/pnas.2201729119

Homann, J.; Zirbes, M.; Arndt‐Engelbart, M.; Scholz, D.; Waldvogel, S.R.; Hoffmann, T.
Development of a Method for Anodic Degradation of Lignin for the Analysis of PaleoVegetation Proxies in Speleothems
ChemElectroChem, 2022, e202101312
https://doi.org/10.1002/celc.202101312

Klink, D.; Hoffmann, T.
Diels-Alder-Reactions in nanometer aerosol particles
EGU General Assembly 2022
https://doi.org/10.5194/egusphere-egu22-7474

Beschnitt, A.; Schäfer, J.; Schwikowski, M.; Hoffmann, T.
Trace analysis of organic aerosol markers and lignin in samples from Alpine ice core Colle Gnifetti covering the 20th century using UHPLC-HRMS
EGU General Assembly 2022
https://doi.org/10.5194/egusphere-egu22-2266

Geil, B.; Gutiérrez, X.; Karbach, N.; Bobrowski, N.; Hoffmann, T.
Halogen measurements with in-situ sampling techniques: Studies at Vulcano and Mt. Etna (Italy)
EGU General Assembly 2022
https://doi.org/10.5194/egusphere-egu22-9728

Borchers, C, Dörholt, K.; Theis, A.; Vogel, A.L., Hoffmann, T.
Retention of secondary organic aerosols during riming experiments
EGU General Assembly 2022
https://doi.org/10.5194/egusphere-egu22-8352

Douverne, M.; Böckmann, M.; Thomsen, D.; Riva, M.; Perrier, S.; George, C. Glasius, M.;  Hoffmann, T.
Characterization of organic aerosols by online CI-Orbitrap MS: Laboratory studies of biogenic SOA formation and size-dependent aerosol chemistry
EGU General Assembly 2022
https://doi.org/10.5194/egusphere-egu22-11038

Karbach, N.; Geil, B.; Gutierrez, X.; Hoor, P.; Dötterl, A.; Bobrowski, N.; Hoffmann, T.
Chemical characterization of volcanic plumes with multifunction UAVs and extra-lightweight drones: Concepts and first applications
EGU General Assembly 2022
https://doi.org/10.5194/egusphere-egu22-5354

Robinson, J.; Homann, J.; Umbo, S.; Scott, P.; Nehrke, G.; Hoffmann, T.; Vaks, A.; Kononov, A.; Osintsev, A.; Mason, A.; Lechleitner, F.A.; Henderson, G.M.; Breitenbach, S.F.M.
Reconstruction of Holocene wildfire occurrence using levoglucosan and lignin biomarkers from Siberian stalagmites
EGU General Assembly 2022
https://doi.org/10.5194/egusphere-egu22-10202

Beschnitt, A.; Schwikowski, M.; Hoffmann, T.
Towards comprehensive non-target screening using heart-cut two-dimensional liquid chromatography for the analysis of organic atmospheric tracers in ice cores
Journal of Chromatography A 1661, 462706
https://doi.org/10.1016/j.chroma.2021.462706

Duan, J.; Huang, R.-J.; Gu, Y.; Lin, C.;  Zhong, H.; Xu, W.;  Liu, Q.;  You, Y.;  Ovadnevaite, J.; Ceburnis, D.;  Hoffmann, T.; O’Dowd, C.
Measurement report: Large contribution of biomass burning and aqueous-phase processes to the wintertime secondary organic aerosol formation in Xi’an, Northwest China
Atmos. Chem. Phys. Discuss. 2022
https://doi.org/10.5194/acp-2022-142

2021

Homann, J.; de Wet, C.B.; Oster, J.L.; Hoffmann, T.; Breitenbach, SFM
Investigation of levoglucosan as proxy for biomass burning events and its relationship with established proxies in a speleothem from White Moon Cave, CA.
AGU Fall Meeting 2021

Beschnitt, A.; Schwikowski, M.; Hoffmann, T.
Towards comprehensive non-target screening using heart-cut two-dimensional liquid chromatography for the analysis of organic atmospheric tracers in ice cores
Journal of Chromatography A, 462706
https://doi.org/10.1016/j.chroma.2021.462706

Zhang, M.; Su, H.; Li, G.; Kuhn, U.; Li, S.; Klimach, T.; Hoffmann, T.; Fu, P.; Pöschl, U.; Cheng, Y.
High-Resolution Fluorescence Spectra of Airborne Biogenic Secondary Organic Aerosols: Comparisons to Primary Biological Aerosol Particles and Implications for Single-Particle Measurements
Environ. Sci. Technol. 2021, 55, 24, 16747–16756
https://doi.org/10.1021/acs.est.1c02536

Gutmann, A.; Bobrowski, N.; Liotta, M.; Hoffmann; T.
Bromine speciation in volcanic plumes: new in situ derivatization LC-MS method for the determination of gaseous hydrogen bromide by gas diffusion denuder sampling
Atmos. Meas. Tech., 2021, 14, 6395–6406
https://doi.org/10.5194/amt-14-6395-2021

Yuan, W.; Huang, R.J.; Yang, L.; Ni, H.; Wang, T.; Cao, W.; Duan, J.; Guo, J.; Huang; H.; Hoffmann, T.
Concentrations, optical properties and sources of humic-like substances (HULIS) in fine particulate matter in Xi’an, Northwest China
Science of The Total Environment 2021, 789, 147902
https://doi.org/10.1016/j.scitotenv.2021.147902

Zhang, Y.; Wang, K.; Tong, H.; Huang, R.J.; Hoffmann, T.
The maximum carbonyl ratio (MCR) as a new index for the structural classification of secondary organic aerosol components
Rapid Communications in Mass Spectrometry, 2021, 35 (14), e9113
https://doi.org/10.1002/rcm.9113

Tong, H.; Liu, F.; Filippi, A.; Wilson, J.; Arangio, A.M.; Zhang, Y.; Yue, S.; Lelieveld, S.; Shen, F.; Keskinen, H.M. K ; Li, J.; Chen, H.; Zhang, T.; Hoffmann, T.; Fu, P.; Brune, W. H; Petäjä, T.; Kulmala, M.; Yao, M.; Berkemeier, T.; Shiraiwa, M.; Pöschl, U.
Aqueous-phase reactive species formed by fine particulate matter from remote forests and polluted urban air
Atmos. Chem. Phys., 202121, 10439–10455
https://doi.org/10.5194/acp-21-10439-2021

Wang, K.; Huang, R.J.; Brüggemann, M.; Zhang, Y.; Yang, L.; Ni, H.; Guo, J.; Wang, M. Han, J.; Bilde, M.; Glasius, M.; Hoffmann, T.
Urban organic aerosol composition in eastern China differs from north to south: molecular insight from a liquid chromatography–mass spectrometry (Orbitrap) study
Atmos. Chem. Phys., 2021, 21, 9089–9104
https://doi.org/10.5194/acp-21-9089-2021

Galle, B.; Arellano, S.; Bobrowski, N.; Conde, V.; Fischer, T.P.; Gerdes, G.; Gutmann, A.; Hoffmann, T.; Itikarai, I.; Krejci, T.; Liu, E.J.; Mulina, K. Nowicki, S.; Richardson, T.; Rüdiger, J.; Wood, K.; Xu, J.
A multi-purpose, multi-rotor drone system for long-range and high-altitude volcanic gas plume measurements
Atmos. Meas. Tech., 2021, 14, 4255–4277
https://doi.org/10.5194/amt-14-4255-2021

Riva, M.; Sun, J.; McNeill, V.F.; Ragon, C.; Perrier, S.; Rudich, Y.; Nizkorodov, S.A.; Chen, J.; Caupin, F.; Hoffmann, T.; George, Ch.
High Pressure Inside Nanometer-Sized Particles Influences the Rate and Products of Chemical Reactions
Environ. Sci. Technol., 2021, 55, 12, 7786–7793
https://doi.org/10.1021/acs.est.0c07386

Duan, J.; Huang, R.J.; Chang, Y.; Zhong, H.; Gu, Y.; Lin, C., Hoffmann, T.; O’Dowd, C.
Measurement report of the change of PM2.5 composition during the COVID-19 lockdown in urban Xi’an: enhanced secondary formation and oxidation
Science of The Total Environment, 2021, 148126
https://doi.org/10.1016/j.scitotenv.2021.148126

Heidke, I.; Hartland, A. ; Scholz, D.; Pearson, A.; Hellstrom, J.; Breitenbach, S.F.M.; Hoffmann, T.
Lignin oxidation products in soil, dripwater and speleothems from four different sites in New Zealand
Biogeosciences, 2021, 18 (7), 2289-2300
https://doi.org/10.5194/bg-18-2289-2021

Gutiérrez, X.; Bobrowski, N.; Hoffmann, T.; Gutiérrez, E.; Dinger, F.; Montalvo, F.; Escobar, D.
Variation of SO2 and CO2 in the volcanic gas plumes of Santa Ana and San Miguel volcanoes: an overview by real-time measurements
EGU General Assembly Conference Abstracts, 2021, EGU21-4606

Lei, T.; Ma, N.; Hong, J.; Tuch, T.; Wang, X.; Wang, Z.; Pöhlker, M.; Ge, M.; Wang, W.; Mikhailov, E.; Hoffmann, T.; Pöschl, U.; Su, H.; Wiedensohler, A.; Cheng, Y.
Nano-HTDMA for investigating hygroscopic properties of sub-10 nm aerosol nanoparticles
EGU General Assembly Conference Abstracts, 2021, EGU21-6310

Yuan, W.; Huang, R.J.; Yang, L.; Wang, T.; Duan, J.; Guo, J.; Ni, H.; Chen, Y; Chen, Q.; Li, Y.; Dusek, U.; O’Dowd, C.; Hoffmann, T.
Measurement report: PM2.5-bound nitrated aromatic compounds in Xi’an, Northwest China – seasonal variations and contributions to optical properties of brown carbon
Atmos. Chem. Phys., 21, 3685–3697, 2021
https://doi.org/10.5194/acp-21-3685-2021

Leppla, D.; Zannoni, N.; Kremper, L,; Williams, J.; Pöhlker, C.; Sá, M.; Solci, M.C.; Hoffmann, T.
Varying chiral ratio of Pinic acid enantiomers above the Amazon rainforest
Atmos. Chem. Phys. Discussions, 1-19
https://doi.org/10.5194/acp-2021-150

Rüdiger, R.; Gutmann, A.; Bobrowski, N.; Liotta, M.; De Moor, J.M.; Sander, R.; Dinger, F.; Tirpitz, J.-L.; Ibarra, M.; Saballos, A.; Martínez, M.; Mendoza, E.; Ferrufino, A.; Stix, J.; Valdés, J.; Castro, J. M.; Hoffmann, T.
Halogen activation in the plume of Masaya volcano: field observations and box model investigations
Atmos. Chem. Phys., 21, 3371–3393, 2021
https://doi.org/10.5194/acp-21-3371-2021

Homann, J.; Hoffmann, T.; Scholz, D.; Breitenbach, S.
Levoglucosan in speleothems: An evaluation of various sample preparation methods
EGU21-1065
https://doi.org/10.5194/egusphere-egu21-1065

Gutmann, A.; Bobrowski, N.; Liotta, M.; Hoffmann, T.
Bromine speciation in volcanic plumes: new in situ derivatization LC-MS method for the determination of gaseous hydrogen bromide by gas diffusion denuder sampling
Atmos. Meas. Tech., 14, 6395–6406, 2021
https://doi.org/10.5194/amt-14-6395-2021

Hoffmann, T.; Hahn, A.; Verweij, J.M.; Leboulle, G.; Landt, O; Strube, C.; Kann, S.; Dekker, D.; May, J., Frickmann, H.
Differing Effects of Standard and Harsh Nucleic Acid Extraction Procedures on Diagnostic Helminth Real-Time PCRs Applied to Human Stool Samples
Pathogens 2021, 10(2), 188
https://doi.org/10.3390/pathogens10020188

2020

Meisel, O.; Dean, J.F.; Vonk, JE.; Wacker, L.; Reichart, G.J.; Dolman, A.J.
Porewater δ13CDOC Indicates Variable Extent Of Degradation In Different Talik Layers Of Coastal Alaskan Thermokarst Lakes
Biogeosciences Discussions 2020, 1-24
https://doi.org/10.5194/bg-2020-439

Galle, B.; Arellano, S.; Bobrowski, N.; Conde, V.; Fischer, T.P.; Gerdes, G.; Gutmann, A.; Hoffmann, T.; Itikarai, I.; Krejci, T.; Liu, E.J.; Mulina, K.; Nowicki, S.; Richardson, T.; Rüdiger, J.; Wood, K.; Xu, J.
A multi-purpose, multi-rotor drone system for long range and high-altitude volcanic gas plume measurements
Atmos. Meas. Tech. Discuss, 2020
DOI:10.5194/amt-2020-452, Corpus ID: 234569313

Wang, T.: Huang, R.J.; Li, Y.; Chen, Q.; Chen, Y.; Yang, L.; Guo, J.; Ni, H.; Hoffmann, T.; Wang, X.; Mai, B.
One-year characterization of organic aerosol markers in urban Beijing: Seasonal variation and spatiotemporal comparison
Science of The Total Environment, 2020, 743, 140689
https://doi.org/10.1016/j.scitotenv.2020.140689

Heidke, I.; Hartland, A.; Scholz, D.; Pearson, A.; Hellstrom, J.; Breitenbach, S.F.M.; Hoffmann, T.
Lignin oxidation products in soil, dripwater and speleothems from four different sites in New Zealand
Biogeosciences Discussions 2020, 1-18

Kuntic, M.; Oelze, M.; Steven, S.; Kröller-Schön, S.; Stamm, P.; Kalinovic, S.; Frenis, K.; Vujacic-Mirski, K.; Bayo Jimenez, M.T.; Kvandova, M.; Filippou, K.; Al Zuabi, A.; Brückl, V.; Hahad, O.; Daub, S.; Varveri, F.; Gori, T.; Huesmann, R.; Hoffmann, T.; Schmidt, F.; Keaney, J.; Daiber, A.; Münzel, T.
Role of Endothelin Receptor and FOXO-3 Transcription Factor in E-cigarette Induced Vascular and Cerebrovascular Damage
Free Radical Biology and Medicine 2020, 159, S91-S92

Lei, T.; Ma, N.; Hong, J.; Tuch, T.; Wang, X.; Wang, Z.; Pöhlker, M.; Ge, M.; Wang, W.; Mikhailov, E.; Hoffmann, T.; rich Pöschl, U.; Su, H.; Wiedensohler, A.; Cheng, Y.
Nano-hygroscopicity tandem differential mobility analyzer (nano-HTDMA) for investigating hygroscopic properties of sub-10 nm aerosol nanoparticles
Atmos. Meas. Tech., 13, 5551–5567, 2020
https://doi.org/10.5194/amt-13-5551-2020

Yuan, W.; Huang, R.J.; Yang, L.; Wang, T.; Duan, J.; Guo, J.; Ni, H.; Chen, Y.; Chen, Q.; Li, Y.; Dusek, U.; O’Dowd, C.; Hoffmann, T.
Measurement report: PM2.5-bound nitrated aromatic compounds in Xi’an, Northwest China: Seasonal variations and contributions to optical properties of brown carbon
Atmospheric Chemistry and Physics Discussions 2020, 1-28

Zannoni, N.; Leppla, D.; de Assis, P.I.L.S.; Hoffmann, T.; Sá, M.; Araújo, A.; Williams, J.
Surprising chiral composition changes over the Amazon rainforest with height, time and season
Communications Earth & Environment,2020, 1 (1), 1-11
https://doi.org/10.1038/s43247-020-0007-9

Huang, R.J.; He, Y.; Duan, J:, Li, Y.; Chen, Q.; Zheng, Y.; Chen, Y.; Hu, W.; Lin, C.; Ni, H.; Dai, W.; Cao, J.; Wu, Y.; Zhang, R.; Xu, W.; Ovadnevaite, J., Ceburnis, D.; Hoffmann, T.; D O’Dowd, C.
Contrasting sources and processes of particulate species in haze days with low and high relative humidity in wintertime Beijing
Atmos. Chem. Phys., 20, 9101–9114, 2020
https://doi.org/10.5194/acp-20-9101-2020

Kuntic, M.; Oelze, M.; Steven, S.; Kröller-Schön, S.; Stamm, P.;  Kalinovic, S.; Frenis, K.; Vujacic-Mirski, K..; Bayo Jimenez, M. T.; Kvandova, M.; Filippou, K.; Al Zuabi, A.; Brückl, V.; Hahad, O.; Daub, S.; Varveri, F.; Gori, T.; Huesmann, T.;  Hoffmann, T.; Schmidt, F.P.; Keaney Jr, J.F.; Daiber, A.; Münzel, T.
Short-term e-cigarette vapour exposure causes vascular oxidative stress and dysfunction: evidence for a close connection to brain damage and a key role of the phagocytic NADPH oxidase (NOX-2)
European heart journal 41 (26), 2472-2483
https://doi.org/10.1093/eurheartj/ehz772

Huang, R.J.; Yang, L.; Shen, J.; Yuan, W.; Gong, Y.; Guo, J.; Cao, W.; Duan, J.; Ni, H.; Zhu, C.; Dai, W.; Li, Y.; Chen, Y.; Chen, Q.; Wu, Y.; Zhang, R.; Dusek, U.; O’Dowd, C.; Hoffmann, T.
Water-insoluble organics dominate brown carbon in wintertime urban aerosol of China: chemical characteristics and optical properties
Environ. Sci. Technol. 2020, 54, 13, 7836–7847,
https://doi.org/10.1021/acs.est.0c01149

Huang, R.J.; Duan, J.; Li, Y.; Chen, Q.; Chen, Y.; Tang, M.; Yang, L.; Ni, H.; Lin, C.; Xu, W.; Liu, Y.; Chen, C.; Yan, Z.; Ovadnevaite, J.; Ceburnis, D.; Dusek, U.; Cao, J.; Hoffmann, T.; O’Dowd, C.D.
Effects of NH3 and alkaline metals on the formation of particulate sulfate and nitrate in wintertime Beijing
Science of the Total Environment 717, 137190
https://doi.org/10.1016/j.scitotenv.2020.137190

Leppla, D.; Kremper, L.; Zannoni, N.; Praß, M.; Ditas, F.; Holanda, B.; Pöhlker, C.; Williams, J.; Sá, M.; Wolff, S.; Solci, M. C.; Hoffmann, T.
Chemical characterization of submicrometer organic aerosol particles from the Amazon rainforest with high-resolution mass spectrometry
EGU General Assembly Conference Abstracts, 8977

Homann, J.; Beschnitt, A.; Hoffmann, T.
Trace analysis of levoglucosan and lignin-phenols in speleothems by HILIC-UHPLC-ESI-HRMS: A new method
EGU General Assembly Conference Abstracts, 2413

Beschnitt, A.; Hoffmann, T.
Application of novel trace analysis methods for lignin and levoglucosan in flowstone samples from New Zealand during the Holocene
EGU General Assembly Conference Abstracts, 2397

Gutmann, A.; Wesenberg, L.J.; Peez, N.; Waldvogel, S.R.; Hoffmann, T.
Charged Tags for the Identification of Oxidative Drug Metabolites Based on Electrochemistry and Mass Spectrometry
ChemistryOpen 9 (5), 568
https://doi.org/10.1002/open.202000084

Yuan, W.; Huang, R.J.; Yang, L.; Guo, J.; Chen, Z.; Duan, J.; Wang, T.; Ni, H.; Han, Y.; Li, Y.; Chen, Q.; Chen, Y.; Hoffmann, T. ; O’Dowd, C.
Characterization of the light-absorbing properties, chromophore composition and sources of brown carbon aerosol in Xi’an, northwestern China
Atmos. Chem. Phys., 20, 5129–5144, 2020
https://doi.org/10.5194/acp-20-5129-2020

Decesari, S.; Paglione, M.; Rinaldi, M.; Dall’Osto, M.; Simó, R.; Zanca, N.; Volpi, F.; Facchini, M.C.; Hoffmann T.; Götz, S.; Kampf, C.J.; O’Dowd, C.; Ceburnis, D.; Ovadnevaite, J.; Tagliavini, E.
Shipborne measurements of Antarctic submicron organic aerosols: an NMR perspective linking multiple sources and bioregions
Atmos. Chem. Phys., 20, 4193–4207, 2020
https://doi.org/10.5194/acp-20-4193-2020

Kuntic, M.; Oelze, M.; Steven, S.; Kroeller-Schoen, S.; Stamm, P.; Kalinovic, S.; Frenis, K.; Vujacic-Mirski; K.; Bayo Jimenez; M.T.; Kvandova, M.; Filippou, K.; Al Zuabi, A.; Brückl, V.; Hahad, O.; Daub, S.; Varveri, F.; Gori, T.; Huesmann
R.; Hoffmann, T.; Schmidt, F.P.; Keaney Jr. J.F.; Daiber, A.; Münzel, T.
Shortterm ecigarette vapor exposure causes vascular oxidative stress and dysfunctionevidence for a close connection to brain damage and a key role of the phagocytic NADPH oxidase (NOX-2)
The FASEB Journal 34 (S1), 1-1
https://doi.org/10.1096/fasebj.2020.34.s1.01868

Duan, J.; Huang, R.J.;, Li, Y.; Chen, Q.; Zheng, Y.; Chen, Y.; Lin, C.; Ni, H.; Wang, M.; Ovadnevaite, J.; Ceburnis, D.; Chen, C.; Worsnop, D.R.; Hoffmann, T.; O’Dowd, C.; Cao, J.
Summertime and wintertime atmospheric processes of secondary aerosol in Beijing
Atmos. Chem. Phys., 20, 3793–3807, 2020
https://doi.org/10.5194/acp-20-3793-2020

2019

Heidke, I., Scholz, D. and Hoffmann, T.
Lignin oxidation products as a potential proxy for vegetation and environmental changes in speleothems and cave drip water – a first record from the Herbstlabyrinth, central Germany.
Climate of the Past, 15, 1025-1037, 2019.
doi: 10.5194/cp-15-1025-2019

Wang, K., Zhang, Y., Huang, R. J., Wang, M., Ni, H. Y., Kampf, C. J., Cheng, Y. F., Bilde, M., Glasius, M. and Hoffmann, T.
Molecular Characterization and Source Identification of Atmospheric Particulate Organosulfates Using Ultrahigh Resolution Mass Spectrometry.
Environmental Science Technology, 53, 6192-6202, 2019.
doi: 10.1021/acs.est.9b02628

Li, G., Cheng, Y., Kuhn, U., Xu, R., Yang, Y., Meusel, H., Ma, N., Wu, Y., Li, M., Williams, J., Hoffmann, T., Ammann, M., Pöschl, U., Shao, M., Su, H.
Physicochemical uptake and release of volatile organic compounds by soil in coated-wall flow tube experiments with ambient air.
Atmospheric Chemistry and Physics, 19, 2209-2232, 2019.
doi: 10.5194/acp-19-2209-2019

Bandowe, B. A. M., Leimer, S., Meusel, H., Velescu, A., Dassen, S., Eisenhauer, N., Hoffmann, T., Oelmann, Y., Wilcke, W.
Plant diversity enhances the natural attenuation of polycyclic aromatic compounds (PAHs and oxygenated PAHs) in grassland soils.
Soil Biology and Biochemistry, 129, 60-70, 2019.
doi: 10.1016/j.soilbio.2018.10.017

Zirbes, M., Schmitt, D., Beiser, N., Pitton, D., Hoffmann, T., Waldvogel, S.R.
Anodic Degradation of Lignin at Active Transition Metalbased Alloys and Performanceenhanced Anodes.
ChemElectroChem, 6, 155-161, 2019.
doi: 10.1002/celc.201801218

2018

Gutmann, A., Bobrowski, N., Roberts, T. J., Rüdiger J., and Hoffmann, T.
Advances in Bromine Speciation in Volcanic Plumes
Frontiers in Earth Science, 6, UNSP 213, 2018.
doi: 10.3389/feart.2018.00213

Heidke, I., Scholz, D., Hoffmann, T.
Quantification of lignin oxidation products as vegetation biomarkers in speleothems and cave drip water.
Biogeosciences, 15, 5831-5845, 2018.
doi: 10.5194/bg-15-5831-2018

Saturno, J. et al. (incl. Hoffmann, T.)
Black and brown carbon over central Amazonia: long-term aerosol measurements at the ATTO site.
Atmospheric Chemistry and Physics, 18, 12817-12843, 2018.
doi: 10.5194/acp-18-12817-2018

Zuth, C., Vogel, A. L., Ockenfeld, S., Huesmann, R., and Hoffmann, T.
Ultrahigh-Resolution Mass Spectrometry in Real Time: Atmospheric Pressure Chemical Ionization Orbitrap Mass Spectrometry of Atmospheric Organic Aerosol.
Analytical Chemistry, 90, 8816–8823, 2018.
doi: 10.1021/acs.analchem.8b00671

Steimer, S. S., Delvaux, A., Dampbell, S. J., Gallimore, P. J., Grice, P., Howe, D. J., Pitton, D., Claeys, M., Hoffmann, T., and Kalberer, M.
Synthesis and characterisation of peroxypinic acids as proxies for highly oxygenated molecules (HOMs) in secondary organic Aerosol.
Atmospheric Chemistry and Physics, 18, 10973-10983, 2018.
doi: 10.5194/acp-18-10973-2018

Huang, R.-J., Yang, L., Cao, J., Chen, Y., Chen, Q., Li, Y., Duan, J., Zhu, C., Dai, W., Wang, K., Lin, C., Ni, H., Corbin, J. C., Wu, Y., Zhang, R., Tie, X., Hoffmann, T., O’Dowd, C., and Dusek, U.
Brown Carbon Aerosol in Urban Xi’an, Northwest China: The Composition and Light Absorption Properties. Environmental Science & Technology, 52, 6825–6833, 2018.
doi: 10.1021/acs.est.8b02386

Huang, R.-J., Cao, J., Chen, Y., Yang, L., Shen, J., You, Q., Wang, K., Lin, C., Xu, W., Gao, B., Li, Y., Chen, Q., Hoffmann, T., O’Dowd, C. D., Bilde, M., and Glasius, M.
Organosulfates in atmospheric aerosol: Synthesis and quantitative analysis of PM2.5 from Xi’an, northwestern China.
Atmospheric Measurement Techniques, 11, 3447–3456, 2018.
doi: 10.5194/amt-11-3447-2018

Ruediger, J., Tirpitz, J.-L., Maarten de Moor, J., Bobrowski, N., Gutmann, A., Liuzzo, M., Ibarra, M., and Hoffmann, T.
Implementation of electrochemical, optical and denuder-based sensors and sampling techniques on UAV for volcanic gas measurements: Examples from Masaya, Turrialba and Stromboli volcanoes.
Atmospheric Measurement Techniques, 11, 2441–2457, 2018.
doi: 10.5194/amt-11-2441-2018

Liebmann, J., Karu, E., Sobanski, N., Schuladen, J., Ehn, M., Schallhart, S., Quelever, L., Hellen, H., Hakola, H., Hoffmann, T., Williams, J., Fischer, H., Lelieveld, J. and Crowley, J. N.
Direct measurement of NO3 radical reactivity in a boreal forest.
Atmospheric Chemistry and Physics, 18, 3799–3815, 2018.
doi: 10.5194/acp-18-3799-2018

Meusel, H., Tamm, A., Kuhn, U., Wu, D., Leifke, A. L., Fiedler, S., Ruckteschler, N., Yordanova, P., Lang-Yona, N., Poehlker, M., Lelieveld, J., Hoffmann, T., Poeschl, U., Su, H., Weber, B. and Cheng, Y.
Emission of nitrous acid from soil and biological soil crusts represents an important source of HONO in the remote atmosphere in Cyprus.
Atmospheric Chemistry and Physics, 18, 799–813, 2018.
doi: 10.5194/acp-18-799-2018

Tie, X. X., Huang, R. J., Cao J. J., Zhang, Q., Cheng, Y. F., Su, H., Chang, D., Poeschl, U., Hoffmann, T., Dusek, U., Li, G. H., Worsnop, D. R. and O´Dowd, C. D.
Severe Pollution in China Amplified by Atmospheric Moisture.
Scientific Reports, 7, 15760, 2017.
doi: 10.1038/s41598-017-15909-1

Wang, K., Zhang, Y., Huang, R.J., Cao, J. and Hoffmann, T.
UHPLC-Orbitrap mass spectrometric characterization of organic aerosol from a central European city (Mainz, Germany) and a Chinese megacity (Beijing).
Atmospheric Environment, 189, 22-29, 2018.
doi: org/10.1016/j.atmosenv.2018.06.036

2017

Bobrowski, N., Giuffrida, G.B., Arellano, S., Yalire, M., Liotta, M., Brusca, L., Calabrese, S., Scaglione, S., Rüdiger, J., Castro, J.M. Galle, B., Tedesco, D.
Plume composition and volatile flux of Nyamulagira volcano, Democratic Republic of Congo, during birth and evolution of the lava lake, 2014–2015.
Bulletin of Volcanology 79: 90, 2017.

Meusel, H., Elshorbany, Y., Kuhn, U., Bartels-Rausch, T., Reinmuth-Selzle, K., Kampf, C. J., Li, G., Wang, X., Lelieveld, J., Poeschl, U., Hoffmann, T., Su, H., Ammann, M., and Cheng, Y.
Light-induced protein nitration and degradation with HONO emission.
Atmospheric Chemistry and Physics, 17, 11819–11833, 2017.
doi: 10.5194/acp-17-11819-2017

Tie, X., Huang, R.-J., Cao, J., Zhang, Q., Cheng, Y., Su, H., Chang, D., Pöschl, U., Hoffmann, T., Dusek, U., Li, G., Worsnop, D. R. and O´Dowd, C.
Severe Pollution in China Amplified by Atmospheric Moisture.
Scientific Reports 7, 15760, 2017.
doi: 10.1038/s41598-017-15909-1

Cabrera-Perez, D., Taraborrelli, D., Lelieveld, J., Hoffmann, T. and Pozzer, A.
Global impact of monocyclic aromatics on tropospheric composition.
Atmos. Chem. Phys. Discuss., 2017
doi: 10.5194/acp-2017-928

Rüdiger, J., Bobrowski, N., Liotta, M. and Hoffmann, T.
Development and application of a sampling method for the determination of reactive halogen species in volcanic gas emissions.
Analytical and Bioanalytical Chemistry 409 (25), 5975-5985, 2017
doi: 10.1007/s00216-017-0525-1

Bruggemann, M., Hayeck, N., Bonnineau, C., Pesce, S., Alpert, P. A., Perrier, S., Zuth, C., Hoffmann, T., Chen, J., and George, C.
Interfacial photochemistry of biogenic surfactants: A major source of abiotic volatile organic compounds.
Faraday Discussions, 200, 59–74, 2017.
doi: 10.1039/c7fd00022g

Mayyas, A. S., Khrisat, B. R., Hoffmann, T. and El Khalili, M. M.
Fuel For Lamps: Organic Residues Preserved in Iron Age Lamps Excavated at the Site of Sahab in Jordan.
Archaeometry 2017
doi: 10.1111/arcm.12288

Brüggemann, M., Poulain, L., Held, A., Stelzer, T., Zuth, Ch., Richters, S., Mutzel, A., van Pinxteren, D., Iinuma, Y., Katkevica, S., Rabe, R., Herrmann, H. and Hoffmann, T.
Real-time detection of highly oxidized organosulfates and BSOA marker compounds during the F-BEACh 2014 field study.
Atmos. Chem. Phys. 17 (2), 1453-1469, 2017
doi: 10.5194/acp-17-1453-2017

2016

Fröhlich-Nowoisky, J., Kampf, C. J., Weber B., Huffman, J. A., Pöhlker, C., Andreae, M. O., Lang-Yona, N., Burrows, S. M., Gunthe, S. S., Elbert, W., Su H., Hoor, P., Thines, E., Hoffmann, T.,Després, V. R. and Pöschl, U.
Bioaerosols in the Earth system: Climate, health, and ecosystem interactions.
Atmospheric Research, 182, 346-376, 2016
doi: 10.1016/j.atmosres.2016.07.018

Meusel, H. et al. (incl. Hoffmann, T.)
Daytime formation of nitrous acid at a coastal remote site in Cyprus indicating a common ground source of atmospheric HONO and NO.
Atmos. Chem. Phys. 16 (22), 14475-14493, 2016
doi: 10.5194/acp-16-14475-2016

Vogel, A. L., Schneider, J., Müller-Tautges, C., Phillips, G. J., Pohlker, M. L., Rose, D., Zuth, C., Makkonen, U., Hakola, H., Crowley, J. N., Andreae, M. O., Pöschl, U. and Hoffmann, T.
Aerosol Chemistry Resolved by Mass Spectrometry: Linking Field Measurements of Cloud Condensation Nuclei Activity to Organic Aerosol Composition.
Environ. Sci. Technol. 50 (20), 10823-10832, 2016
doi: 10.1021/acs.est.6b01675

Vogel, A. L., Schneider, J., Müller-Tautges, C., Klimach, T. and Hoffmann, T.
Aerosol Chemistry Resolved by Mass Spectrometry: Insights into Particle Growth after Ambient New Particle Formation.
Environ. Sci. Technol. 50 (20), 10814-10822, 2016
doi: 10.1021/acs.est.6b01673

Brüggemann, M., Poulain, L., Held, A., Stelzer, T., Zuth, Ch., Richters, S., Mutzel, A., van Pinxteren, D., Iinuma, Y., Katkevica, S., Rabe, R., Herrmann, H. and Hoffmann, T.
Real-time detection of highly oxidized organosulfates and BSOA marker compounds during the F-BEACh 2014 field study.
Atmos. Chem. Phys. Discuss., 2016
doi: 10.5194/acp-2016-650

Li, G, Su, H., Li, X., Kuhn, U., Meusel, H., Hoffmann, T., Ammann, M., Pöschl, U., Shao, M. and Cheng, Y. F.
Uptake of gaseous formaldehyde by soil surfaces: a combination of adsorption/desorption equilibrium and chemical reactions.
Atmos. Chem. Phys. 16 (15), 10299-10311, 2016
doi: 10.5194/acp-16-10299-2016

Kampf, C. J., Filippi, A., Zuth, C. and Hoffmann, T.
Secondary brown carbon formation via the dicarbonyl imine pathway: nitrogen heterocycle formation and synergistic effects.
Phys. Chem. Chem. Phys. 18 (27), 18353-18364, 2016
doi: 10.1039/C6CP03029G

Bandowe, B. A. M., Meusel, H., Huang, R. J., Hoffmann, T., Cao, J. J. and Ho, K. F.
Azaarenes in fine particulate matter from the atmosphere of a Chinese megacity.
Environ. Sci. Pollut. Res. 23 (16), 16025-16036, 2016
doi: 10.1007/s11356-016-6740-z

Liu, F. Lai, S., Reinmuth-Selzle, K., Scheel, J. F., Fröhlich-Nowoisky, J., Després, V. R., Hoffmann, T., Pöschl, U., Kampf, Ch. J.
Metaproteomic analysis of atmospheric aerosol samples.
Anal. Bioanal. Chem. 408 (23), 6337-6348, 2016
doi: 10.1007/s00216-016-9747-x

Li, G., Su, H., Li, X., Kuhn, U., Meusel, H., Hoffmann, T., Ammann, M., Pöschl, U., Shao, M. and Cheng, Y.
Uptake of gaseous formaldehyde by soil surfaces: a combination of adsorption/desorption equilibrium and chemical reactions.
Atmos. Chem. Phys. 16 (15), 10299-10311, 2016
doi: 10.5194/acp-16-10299-2016

Brüggemann, M., Karu, E. and Hoffmann, T.
Critical assessment of ionization patterns and applications of ambient desorption/ionization mass ectrometry using FAPA–MS.
Journal of Mass Spectrometry 51 (2), 141-149, 2016
doi: 10.1002/jms.3733

Müller-Tautges, C., Eichler, A., Schwikowski, M., Pezzatti, G. B., Conedera, M. and Hoffmann, T.
Historic records of organic compounds from a high Alpine glacier: influences of biomass burning, anthropogenic emissions, and dust Transport.
Atmos. Chem. Phys. 16 (2), 1029-1043, 2016
doi: 10.5194/acp-16-1029-2016

2015

Beck, M. and Hoffmann, T.
A detailed MSn study for the molecular identification of a dimer formed from oxidation of pinene
Atmospheric Environment 130 (SI), 120-126, 2016
doi: 10.1016/j.atmosenv.2015.09.012

Sabino, F. C., Pinto, J. P., Picarelli, V. P., Amador, I. R., Martins, L. D., Hoffmann, T. and Solci, M. C.
HPA e Nitro-HPA em Ambiente Semifechado Impactado por Emissão da Combustão de Diesel/Biodiesel (B5)
Orbital 7 (3), 245-252 (2015)
doi: 10.17807/orbital.v7i3.737

Yatavelli, R. L. N. et al. (incl. Vogel, A. L. and Hoffmann, T.)
Estimating the contribution of organic acids to northern hemispheric continental organic Aerosol.
Geophys. Res. Lett. 42 (14), 6084-6090 (2015)
doi: 10.1002/2015GL064650

Plenk, C., Krause, J., Beck, M. and Rentschler, E.
Linkage of Single-Molecule Magnets using Click Chemistry
Chemical Communications 51 (30), 6524-6527 (2015)
doi: 10.1039/c5cc00595g

Müller-Tautges, Ch., Eichler, A., Schwikowski, M., Pezzatti, G. B., Conedera, M. and Hoffmann, T.
Historic records of organic aerosols from a high Alpine glacier: implications of biomass burning, anthropogenic emissions, and dust transport
Atmos. Chem. Phys. Discuss., 15, 13747-13781 (2015)
doi: 10.5194/acpd-15-13747-2015

Brüggemann, M., Karu, E., Stelzer, T. and Hoffmann, T.
Real-Time Analysis of Ambient Organic Aerosols Using Aerosol Flowing Atmospheric-Pressure Afterglow Mass Spectrometry (AeroFAPA-MS)
Environmental Science & Technology, 49, 5571-5578 (2015)
doi: 10.1021/es506186c

Andreae, M. O. et al. (incl. Hoffmann, T. and van Eijck, A.)
The Amazon Tall Tower Observatory (ATTO): overview of pilot measurements on ecosystem ecology, meteorology, trace gases, and Aerosols.
Atmos. Chem. Phys.,15 (18), 10723-10776 (2015)
doi: 10.5194/acp-15-10723-2015

Oswald, R., Ermel, M., Hens, K., Novelli, A., Ouwersloot, H. G., Paasonen, P., Petäja, T., Sipilä, M., Keronen, P., Bäck, J., Königstedt, R., Hosaynali Beygi, Z., Fischer, H., Bohn, B., Kubistin, D., Harder, H., Martinez, M., Williams, J., Hoffmann, T., Trebs, I. and Sörgel, M.
A comparison of HONO budgets for two measurement heights at a field station within the boreal forest in Finland
Atmos. Chem. Phys., 15, 799-813 (2015)
doi: 10.5194/acp-15-799-2015

Nozière, B., Kalberer, M., Claeys, M., Allan, J., D’Anna, B., Decesari, S., Finessi, E., Glasius, M., Grgic, I., Hamiltion, J. F., Hoffmann, T., Iinuma, Y., Jaoui, M., Kahnt, A., Kampf, C. J., Kourtchev, I., Maenhaut, W., Marsden, N., Saarikoski, S., Schnelle-Kreis, J., Surratt, J. D., Szidat, S., Szmigielski, R. and Wisthaler, A.
The Molecular Identification of Organic Compounds in the Atmosphere: State of the Art and Challenges
Chem. Rev., 115 (10), 3919-3983 (2015)
doi: 10.1021/cr5003485

2014

Thorenz, U. R., Carpenter, L. J., Huang, R.-J., Kundel, M., Bosle, J. and Hoffmann, T.
Emission of iodine-containing volatiles by selected microalgae species
Atmos. Chem. Phys., 14, 13327-13335, 2014
doi: 10.5194/acp-14-13327-2014

Sonibare, O. O., Agbaje, O. B., Jacob, D. E., Faithfull, J., Hoffmann, T. and Foley, S. F.
Terpenoid composition and origin of amber from the Cape York Peninsula, Australia
Australian Journal of Earth Sciences, 61, 979-985 (2014)
doi: 10.1080/08120099.2014.960897

Bosle, J. M., Mischel, S. A., Schulze, A.-L., Scholz, D. and Hoffmann, T.
Quantification of low molecular weight fatty acids in cave drip water and speleothems using HPLC-ESI-IT/MS — development and validation of a selective method
Analytical and Bioanalytical Chemistry, 406 (11), 2525-2532 (2014)
doi: 10.1007/s00216-014-7743-6

Wildt, J., Mentel, T. F., Kiendler-Scharr, A., Hoffmann, T., Andres, S., Ehn, M., Kleist, E., Müsgen, P., Rohrer, F., Rudich, Y., Springer, M., Tillmann, R. and Wahner, A.
Suppression of new particle formation from monoterpene oxidation by NOx
Atmos. Chem. Phys., 14, 2789-2804 (2014)
doi: 10.5194/acp-14-2789-2014

Müller-Tautges, Ch., Eichler, A., Schwikowski, M. and Hoffmann, T.
A new sensitive method for the quantification of glyoxal and methylglyoxal in snow and ice by stir bar sorptive extraction and liquid desorption-HPLC-ESI-MS
Analytical and Bioanalytical Chemistry, 406 (11), 2525-2532 (2014)
doi: 10.1007/s00216-014-7640-z

Brüggemann, M., Vogel, A. L. and Hoffmann, T.
Analysis of organic aerosols using a micro-orifice volatilization impactor (MOVI) coupled to an atmospheric-pressure chemical ionization mass spectrometer (APCI-MS)
European Journal of Mass Spectrometry, 20 (1), 31-41 (2014)
doi: 10.1255/ejms.1260

Bandowe, B. A. M., Meusel, H., Huang, R-J., Ho, K., Cao, J., Hoffman, T. and Wilcke, W.
PM2.5PAHs from the atmosphere of a Chinese megacity: Seasonal variation, sources and cancer risk assessment
Science of the Total Environment, 473-474, 77-87 (2014)
doi: 10.1016/j.scitotenv.2013.11.108

Sonibare, O. O., Huang, R.-J., Jacob, D. E., Nie, Y., Kleine-Benne, E., Hoffmann, T. and Foley, S. F.
Terpenoid composition and chemotaxonomic aspects of Miocene amber from the Koroglu Mountains, Turkey
Journal of Analytical and Applied Pyrolysis, 105, 100-107 (2014)
doi: 10.1016/j.jaap.2013.10.008

2013

Corrigan, A. L., Russel, L. M., Takahama, S., Aijala, M., Ehn, M., Junninen, H., Rinne, J., Petaja, T., Kulmala, M., Vogel, A. L., Hoffmann, T., Ebben, C. J., Geiger, F. M., Chhabra, P., Seinfeld, J. H., Worsnop, D. R., Song, W., Auld, J. and Williams, J.
Biogenic and biomass burning organic aerosol in a boreal forest at Hyytiala, Finland, during HUMPPA-COPEC 2010
Atmos. Chem. Phys., 13 (24), 12233-12256 (2013)
doi: 10.5194/acp-13-12233-2013

Vogel, A. L., Äijälä, M., Corrigan, A. L., Junninen, H., Ehn, M., Petäjä, T., Worsnop, D. R., Kulmala, M., Russell, L. M., Williams, J. and Hoffmann, T.
In-situ submicron organic aerosol characterization at a boreal forest research station during HUMPPA-COPEC 2010 using soft and hard ionization mass spectrometry
Atmos. Chem. Phys., 13, 10933-10950 (2013)
doi: 10.5194/acp-13-10933-201

Oswald, R., Behrendt, T., Ermel, M., Wu, D., Su, H., Cheng, Y., Breuninger, C., Moravek, A., Mougin, E., Delon, C., Loubet, B., Pommerening-Röser, A., Sörgel, M., Pöschl, U., Hoffmann, T., Andreae, M.O., Meixner, F.X. and Trebs, I.
HONO Emissions from Soil Bacteria as a Major Source of Atmospheric Reactive Nitrogen
Science, 341, 1233 (2013)
10.1126/science.1242266

van Eijck, A., Opatz, T., Taraborrelli, D., Sander, R. and Hoffmann, T.
New tracer compounds for secondary organic aerosol formation from β-caryophyllene oxidation
Atmospheric Environment 80, 122 – 130 (2013)
doi: 10.1016/j.atmosenv.2013.07.060

Mayyas, A., Douglas, K., Hoffmann, T., Thorenz, U., Bany Yaseen, I., Mohammed, E.-K.
Organic residues preserved in archaeological ceramics from the early bronze age site of Khirbet Al-Batrawy in north-central Jordan
Mediterranean Archaeology and Archaeometry, 13 (2) 189 – 206 (2013)

Huang, R.-J., Thorenz, U. R., Kundel, M., Venables, D. S., Ceburnis, D., Ho, K. F., Chen, J., Vogel, A. L., Küpper, F. C., Smyth, P. P. A., Nitschke, U., Stengel, D. B., Berresheim, H., O’Dowd, C. D. and Hoffmann, T.
The seaweeds Fucus vesiculosus and Ascophyllum nodosum are significant contributors to coastal iodine emissions
Atmos. Chem. Phys., 13, 5255 – 5264 (2013)
doi: 10.5194/acp-13-5255-2013

Kampf, C. J., Waxman, E. M., Slowik, J. G., Dommen, J., Pfaffenberger L., Praplan, A., Prévôt, A., Baltensperger, U., Hoffmann, T. and Volkamer, R.
Effective Henry´s law partitioning and the salting constant of glyoxal in aerosols containing sufate
Environ. Sci. Technol., 47 (9), 4236 – 4244 (2013)
doi: 10.1021/es400083d

Vogel, A. L., Äijälä, M., Brüggemann, M., Ehn, M., Junninen, H., Petäjä, T., Worsnop, D. R., Kulmala, M., Williams, J. and Hoffmann, T.
Online atmospheric pressure chemical ionization ion trap mass spectrometry (APCI-IT-MSn) for measuring organic acids in concentrated bulk aerosol – a laboratory and field study
Atmospheric Measurement Techniques, 6, 431 – 443 (2013)
doi: 10.5194/amt-6-431-2013

2012

Atkinson, H. M., Huang, R.-J., Chance, R., Roscoe, H. K., Hughes, C., Davison, B., Schönhardt, A., Mahajan, A. S., Saiz-Lopez, A., Hoffmann, T. and Liss, P. S.
Iodine emissions from the sea ice of the Weddell Sea
Atmos. Chem. Phys., 12, 11229 – 11244 (2012)
doi: 10.5194/acp-12-11229-2012

Hoffmann, Thorsten and Heumann, Klaus, G.
Elemental Speciation
Analytical and Bioanalytical Chemistry, Vol. 404, 2125 – 2126 (2012)
doi: 10.1007/s00216-012-6411-y

Sonibare, Oluwadayo O., Hoffmann, Thorsten and Foley, Stephen
Molecular composition and chemotaxonomic aspects of Eocene amber from the Ameki Formation, Nigeria
Organic Geochemistry, Vol. 51, 55-62 (2012)
doi: 10.1016/j.orggeochem. 2012.08.003

Donahue, N.M, Henry, K.M., Mentel, T., Kiendler-Scharr, A., Spindler, C., Bohn, B., Brauers, T., Dorn, H.P., Fuchs, H., Tillmann, R., Wahner, A., Saathoff, H., Naumann, K.H., Möhler, O., Leisner, T., Müller, L., Reinnig, M.C., Hoffmann, T., Salo, K., Hallquist, M., Frosch, M., Bilde, M., Tritscher, T., Barmet, P., Praplan, A., DeCarlo, P., Dommen, J., Prévôt, A. and Baltensperger, U.
Aging of biogenic secondary organic aerosol via gasphase OH-phase reactions
Proceedings of the National Academy of Sciences of the United States of America, Vol. 109, Issue 34, 13506 – 13508 (2012)
doi: 10.1073/pnas.1115186109

Thorenz, U., Kundel, M., Müller, L. and Hoffmann, T.
Generation of standard gas mixtures of halogenated, aliphatic, and aromatic compounds and prediction of the individual output rates based on molecular formular and boiling point
Anal. Bioanal. Chem., Vol. 404, 2177 – 2183 (2012)
doi: 10.1007/s00216-012-6202-5

A. C. Nölscher, J. Williams, V. Sinha, T. Custer, W. Song, A. M. Johnson, R. Axinte, H. Bozem, H. Fischer, N. Pouvesle, G. Phillips, J. N. Crowley, P. Rantala, J. Rinne, M. Kulmala, D. Gonzales, J. Valverde-Canossa, A. Vogel, T. Hoffmann, H. G. Ouwersloot, J. Vilà-Guerau de Arellano, and J. Lelieveld
Summertime total OH reactivity measurements from boreal forest during HUMPPA-COPEC 2010
Atmos. Chem. Phys., 12, 8257-8270 (2012)
doi:10.5194/acp-12-8257-2012

Kundel, M., Huang, R.-J., Thorenz, U. R., Bosle, J., Mann, M. J., Ries, M. and Hoffmann, T.
Application of Time-of-Flight Aerosol Mass Spectrometry for the Online Measurement of Gaseous Molecular Iodine
Anal. Chem., 84 (3), pp 1439-1145 (2012)
doi: 10.1021/ac202527a

Kampf, C. J., Jakob, R. and Hoffmann, T.
Identification and characterization of aging products in the glyoxal/ammonium sulfate system – implications for light-absorbing material in atmospheric aerosols
Atmos. Chem. Phys., 12, 6323-6333 (2012)
doi:10.5194/acp-12-6323-2012

Kampf, C. J., Corrigan, A. L., Johnson, A. M., Song, W., Keronen, P., Königstedt, R., Williams, J., Russell, L. M., Petäjä, T., Fischer, H. and Hoffmann, T.
First measurements of reactive α-dicarbonyl concentrations on PM2.5 aerosol over the boreal forest in Finland during HUMPPA-COPEC 2010 – source apportionment and links to aerosol aging
Atmos. Chem. Phys., 12, 6145-6155 (2012)
doi: 10.5194/acp-12-6145-2012

Kundel, M., Thorenz, U.R., Petersen, J.H., Huang, R.-J., Bings, N.H. and Hoffmann, T.
Application of mass spectrometric techniques for the trace analysis of short-lived iodine-containing volatiles emitted by seaweed
Anal. Bioanal. Chem. 402, 3345 – 3357 (2012)
doi: 10.1007/s00216-011-5658-z

Müller, L., Reinnig, M., Naumann, M.C., Saathoff, H., Mentel, T., Donahue, N.M. and Hoffmann, T.
Formation of 3-methyl-1,2,3-butanetricarboxylic acid via gas phase oxidation of pinonic acid – A mass spectrometric study of SOA aging
Atmos. Chem. Phys., 12, 1483 – 1496 (2012)
doi: 10.5194/acp-12-1483-2012

2011

Hoffmann, T., Huang, R.-J. and Kalberer, M.
Atmospheric Analytical Chemistry
Anal. Chem., 83, 4649 – 4664,
DOI: 10.1021/ac2010718 (2011)

Kampf, C., Bonn, B. and Hoffmann, T.
Development and validation of a selective HPLC-ESI-MS/MS method for the quantification of glyoxal and methylglyoxal in atmospheric aerosols
Anal. Bioanal. Chem., Vol. 401 (10), 3115 – 3124,
DOI 10.1007/s00216-011-5192-z (2011)

Lai, S.C., Williams, S.R., Arnold, E.L., Gebhardt, S. and Hoffmann, T.
Iodine containing species in the remote marine boundary layer: The link to oceanic phytoplankton
Geophys. Res. Lett., 38, L20801,
DOI: 10.1029/2011GL049035 (2011)

Salo, K., Hallquist, M., Jonsson, A.M., Saathoff, H., Naumann, K.-H., Spindler, C., Tillmann, R., Fuchs, H., Bohn, B., Rubach, F., Mentel, Th.F., Müller, L., Reinnig, M., Hoffmann, T. and Donahue, N.M.
Volatility of secondary organic aerosol during OH radical induced ageing
Atmos. Chem. Phys., 11, 11055 – 11067 (2011)
DOI: 10.5194/acp-11-11055-2011

Kulmala, M.A. Asmi et al. (incl. Hoffmann, T.)
General overview: European Integrated project on Aerosol Cloud Climate and Air Quality interactions (EUCAARI) – integrating aerosol research from nano to global scales
Atmos. Chem. Phys., 11, 13061 – 13143 (2011)
DOI: 10.5194/acp-11-13061-2011

Williams, J. et al. (incl. Hoffmann, T., Vogel, A., Beck, M., Bayerle, A., Kampf, C.J.)
The summertime Boreal forest field measurement intensive (HUMPPA-COPEC-2010): an overview of meteorological and chemical influences
Atmos. Chem. Phys.,11, 10599 – 10618 (2011)
DOI: 10.5194/acp-11-10599-2011

Smyth, P.P.A., Burns, R., Huang, R.-J., Hoffmann, T., Mullan, K., Graham, U., Seitz, K., Platt, U. and O´Dowd, C.O.
Does iodine gas released from seaweed contribute to dietary iodine intake?
Environ Geochem Health, 33, 389 – 397 (2011)
DOI: 10.1007/s10653-011-9384-4

Wolf, S.E., Müller, L., Barrea, R., Kampf, C.J., Leiterer, J., Panne, U., Hoffmann, T., Emmerling, F. and Tremel, W.
Carbonate-coordinated metal complexes precede the formation of liquid amorphous mineral emulsions of divalent metal carbonates
Nanoscale, 3, 1158 – 1165 (2011)
DOI: 10.1039/CONR00761G

2010

Huang, R.-J. Seitz, K., Neary, T., O´Dowd, C. D., Platt, U. and Hoffmann, T.
Observations of high concentrations of I2 and IO in coastal air supporting iodine-oxide driven coastal new particle formation
Geophys. Res. Lett., Vol. 37, L03803 (2010)
doi: 10.1029/2009GL041467

Frosch, M., Zardini, A. A., Platt, S. M., Müller, L., Reinnig, M.-C., Hoffmann, T. and Bilde, M.
Thermodynamic properties and cloud droplet activation of a series of oxoacids
Atmos. Chem. Phys., 10, 5873 – 5890 (2010)
doi: 10.5194/acp-10-5873-2010

Zhang, Y., Müller, L. Winterhalter, R., Moortgat, G. K., Hoffmann, T. and Pöschl, U.
Seasonal cycle and temperature dependence of pinene oxidation products, dicarboxylic acids and nitropehnols in fine and coarse air pariculate matter
Atmos. Chem. Phys., 10, 7859 – 7873 (2010)
doi: 10.5194/acp-10-7859-2010

Huang, R.-J., Hou, X. and Hoffmann, T.
Extensive Evaluation of a Diffusion Denuder Technique for the Quantification of Atmospheric Stable and Radioactive Molecular Iodine
Environ. Sci. Technol., Vol. 44 (13), 5061 – 5066 (2010)
doi: 10.1021/es100395p

Huang, R.-J., Seitz, K., Buxmann, J., Poehler, D., Hornsby, K. E., Carpenter, L. J., Platt, U. and Hoffmann, T.
In situ measurements of molecular iodine in the marine boundary layer: the link to macroalgae and the implications for O3, IO, OIO and NOx
Atmos. Chem. Phys., Vol. 10, 4823 – 4833 (2010)
doi: 10.5194/acp-10-4823-2010

Huang, R.-J. and Hoffmann, T.
Diffusion technique for the generation of gaseous halogen standards
J. Chromatogr. A, Vol. 1217, 2065 – 2069 (2010)
doi:10.1016/j.chroma.2010.01.078

2009

Kesselmeier, J., Guenther, A., Hoffmann, T., Piedade, M.T.F. and Warnke, J.
Natural volatile organic compound emissions from plants and their roles in oxidant balance and particle formation
Amazonia and Global Change, Geophys. Monogr. Ser., vol. 186, edited by M. Keller et al., doi: 10.1029/2008GM000717, 183 – 206 (2009)

Hallquist, M., Wenger, J. C., Baltensperger, U., Rudich, Y., Simpson, D., Claeys, M., Dommen, J., Donahue, N. M., George, C., Goldstein, A. H., Hamilton, J. F., Herrmann, H., Hoffmann, T., Iinuma, Y., Jang, M., Jenkin, M., Jimenez, J. L., Kiendler-Scharr, A., Maenhaut, W., McFiggans, G., Mentel, Th. F., Monod, A., Prévôt, A. S. H., Seinfeld, J. H., Surratt, J. D., Szmigielski, R., and Wildt, J.
The formation, properties and impact of secondary organic aerosol: current and emerging issues
Atmos. Chem. Phys., 9, 5155-5236 (2009), doi: 10.5194/acp-9-5155-2009

Müller, L., Reinnig, M.-C., Hoffmann, T.
Ein kurzer Einblick in die Chemie der sekundären organischen Aerosole
Mitt Umweltchem Ökotox, 3/2009, 61-64 (E-Paper)

Reinnig, M.-C., Warnke, J., Hoffmann, T.
Identification of organic hydroperoxides and hydroperoxy acids in secondary organic aerosol formed during the ozonolysis of different monoterpenes and sesquiterpenes by on-line analysis using atmospheric pressure chemical ionization ion trap mass spectrometry
Rapid Communications in Mass Spectrometry, Vol. 23, Issue 11, 1735-1741 (2009)

Müller, L., Reinnig, M.-C., Hayen, H., Hoffmann, T.
Characterization of oligomeric compounds in secondary organic aerosol using liquid chromatography coupled to electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry
Rapid Communications in Mass Spectrometry, Vol. 23, Issue 7, 971-979 (2009)

Huang, R.-J., Hoffmann, T.
Development of a Coupled Diffusion Denuder System Combined with Gas Chromatography/Mass Spectrometry for the Separation and Quantification of Molecular Iodine and the Activated Iodine Compounds Iodine Monochloride and Hypoiodous Acid in the Marine Atmosphere
Anal. Chem., 81, 1777-1783 (2009)

2008

Kourtchev, I., Warnke, J., Maenhaut, W., Hoffmann, T., Claeys, M.
Polar organic marker compounds in PM2.5 aerosol from a mixed forest site in western Germany
Chemosphere, 73, 1308-1314 (2008)

Zorn, S. R., Drewnick, F., Schott, M., Hoffmann, T., Borrmann, S.
Characterization of the South Atlantic marine boundary layer aerosol using an aerodyne aerosol mass spectrometer
Atmos. Chem. Phys., Vol. 8, Issue 16, 4711-4728 (2008)

Renz, F., Martinez, V., Klein, M., Schott, M., Hoffmann, T., Blumers, M., Fleischer, I., Klingelhoefer, G., Boca, R., Menzel, M.
Chemical tuning by 5-Methyl and N-Methyl-substitution in heptanuclear complexes effects multistability investigated by Mossbauer spectroscopy
Hyperfine Interactions, Vol. 184, Issue 1-3, 259-265 (2008)

Lai, S. C., Hoffmann, T., Xie, Z. Q.
Iodine speciation in marine aerosols along a 30,000 km round-trip cruise path from Shanghai, China to Prydz Bay, Antarctica
Geophysical Research Letters, Vol. 35, Issue 21, Article Number: L21803 (2008)

Gilfedder, B. S., Lai, S. C., Petri, M., Biester, H., Hoffmann, T.
Iodine speciation in rain, snow and aerosols
Atm. Chemistry and Physics, Vol.: 8 Issue: 20, 6069-6084 (2008)

Huang, R.-J., Hoffmann, T.
A denuder-impinger system with in situ derivatization followed by gas chromatography-mass spectrometry for the determination of gaseous iodine-containing halogen species
J. Chromatography A, 1210 (2), 135-141 (2008)

Baltensperger, U., Dommen, J., Alfarra, R., Duplissy, J.,Gaeggeler, K., Metzger, A., Facchini, M.C., Decesari, S., Finessi, E., Reinnig, M.-C., Schott, M., Warnke, J., Hoffmann, T., Klatzer, B., Puxbaum, H., Geiser, M., Savi, M., Lang, D., Kalberer, M., Geiser, T.
Combined Determination of the Chemical Composition and of Health Effects of Secondary Organic Aerosols: The POLYSOA Project
J. Aerosol Med., 145-154 (2008)

Loges, N., Wolf, S., Panthöfer, M., Müller, L., Reinnig, M.-C., Hoffmann, T., Tremel, W.
Reply to „Mirror Symmetry Breaking“ of the Centrosymmetric CaCO3 Crystals with Amino Acid
Angew. Chem. 2008, 120, 3741-3744; Angew. Chem. Int. Ed. 2008, 47, 3683-3686 (2008)

Reinnig, M.-C., Müller, L., Warnke, J., Hoffmann, T.
Characterization of selected organic compound classes in secondary organic aerosol from biogenic VOCs by HPLC/MSn
Anal. Bioanal. Chem. (2008)

Müller, L., Reinnig, M.-C., Warnke, J., Hoffmann, T.
Unambiguous identification of esters as oligomers in secondary organic aerosol formed from cyclohexene and cyclohexene/α -pinene ozonolysis
Atmos. Chem. Phys., 8, 1423-1433 (2008)

Laaksonen A., Kulmala M., O’Dowd C., Joutsensaari J, Vaattovaara P., Mikkonen S., Lehtinen k., Sogacheva L., Dal Maso M., Aalto P., Petäjä T., Sogachev A., Jun Yoon Y., Lihavainen H., Nilsson D., Facchini C.M., Cavalli F., Fuzzi S., Hoffmann T., Arnold F., Hanke M., Sellegri K., Umann B., Junkermann W., Coe H., Allan J.D., Alfarra R., Worsnop D., Riekkola M.L., Hyötyläinen T., Viisanen Y.
The role of VOC oxidation products in continental new particle formation
Atmos. Chem. Phys., 8, 2657-2665 (2008)

2007-2001

Hoffmann, T., Warnke, J.
Organic Aerosols, in: Volatile Organic Compounds in the Atmosphere, Koppmann, R. (Edt.), Blackwell Publishing Ltd., Oxford, United Kingdom, 342-387 (2007)

Bruechert W., Helfrich A., Klimach T., Breckheimer M., Chen H., Lai S., Hoffmann T., Bettmer J.
Gel electrophoresis coupled to inductively coupled plasma-mass spectrometry using species-specific isotope dilution for iodide and iodate determination in aerosols
Analytical Chemistry, 79, 1714-1719 (2007)

Hoffmann T., Zetzsch C., Rossi MJ.
Chemie von Aerosolen
Chem. unserer Zeit, 41, 232-246 (2007)

Holzke C., Hoffmann T., Jaeger L., Koppmann R., Zimmer W.
Diurnal and seasonal variation of monoterpene and sesquiterpene emissions from Scots pine (Pinus sylvestris L.)
Atmosph. Environment, 40, 3174-3185 (2006)

Hoffmann T.
Atmospheric Analytical chemistry
Ananlytical and Bioanalytical Chemistry, 385, 16-17 (2006)

Warnke J., Bandur R., Hoffmann T.
Capillary-HPLC-ESI-MS/MS method for the determination of acidic products from the oxidation of monoterpenes in atmospheric aerosol samples
Ananlytical and Bioanalytical Chemistry, 385, 34-45 (2006)

Saiz-Lopez A., Plane J. M. C., McFiggans G., Williams P. I., Ball S. M., Bitter M., Jones R. L., Hongwei C., Hoffmann T.
Modelling molecular iodine emissions in a coastal marine environment: the link to new particle formation
Atmos. Chem. Phys., 6, 883-895 (2006)

Birmili W. and Hoffmann T.
Environmental pollutants: Particulate and dust pollution: Inorganic and organic compounds.
Manuscript 133 in Encyclopedia of Respiratory Medicine (eds. G. Laurent and S. Shapiro), Elsevier (2006)

O’Dowd C.D., J.L. Jimenez, R. Bahreini, R.C. Flagan, J.H. Seinfeld, K. Hämeri, L. Pirjola, M. Kulmala, S.G. Jennings, T. Hoffmann
Marine aerosols and iodine emissions
Nature, 433, E13-E14 (2005)

Peng S., Edler M., Ahlmann N., Hoffmann T. and Franzke J.
A new interface to couple thin-layer chromatography with laser desorption/atmospheric pressure chemical ionization mass spectrometry for plate scanning
Rapid Commun. in Mass Spectrometry, 19, 2789-2793 (2005)

O’Dowd, C.D. and Hoffmann, T.
Coastal new particle formation: A review of the current state-of-the-art
Environmental Chemistry, 2, 245-255 (2005)

Sellegri, K., Loon, YJ., Jennings, SG., O’Dowd, C.D., Pirjola, L., Cautent, S., Chen, HW. and Hoffmann, T.
Quantification of coastal new ultra-fine particles formation from in situ and chamber measurements during the BIOFLUX campaign
Environmental Chemistry, 2, 260-270 (2005)

Peng S., N. Ahlmann, K. Kunze, W. Nigge, M. Edler, T. Hoffmann, J. Franzke
Thin-Layer chromatography combined with diode laser desorption/atmospheric pressure chemical ionization mass spectrometry
Rapid Commun. in Mass Spectrometry, 18, 1803-1808 (2004)

Boy M., T. Petäjä, M. Dal Maso, Ü. Rannik, J. Rinne, P. Aalto, A. Laaksonen, P. Vaattovaara, J. Joutsensaari, T. Hoffmann, J. Warnke,M. Apostolaki, E. G. Stephanou, M. Tsapakis, A. Kouvarakis, C. Pio, A. Carvalho, A. Römpp, G. Moortgat, C. Spirig, A. Guenther, J. Greenberg, P. Ciccioli, and M. Kulmala
Overview of the field measurement campaign in Hyytiälä, August 2001 in the framework of the EU project OSOA
Atmos. Chem. Phys., 4, 657-678 (2004)

Kulmala M., T. Suni, K. E. J. Lehtinen, M. Dal Maso, M. Boy, A. Reissell, Ü. Rannik, P. Aalto, P. Keronen, H. Hakola, J. Bäck, T. Hoffmann, T. Vesala, and P. Hari
A new feedback mechanism linking forests, aerosols, and climate
Atmos. Chem. Phys., 4, 557-562 (2004)

Warscheid B., U. Kückelmann, T. Hoffmann
Direct quantitative analysis of organic compounds using a modified APCI-source in combination with ion trap mass spectrometry
Anal. Chem., 75, 14310-1417 (2003)

Jimenez J.L., D.R. Cocker III, R. Bahreini, H. Zhuang, V. Varutbangkul, R.C. Flagan, J.H. Seinfeld, C. O’Dowd, T. Hoffmann
New particle formation from photooxidation of diiodomethane
J. Geophys. Res., 108, No. D10, 4318, doi: 10.1029/2002JD002452 (2003)

Hoffmann T.
Real-time mass spectrometry (Trends in Analytical and Bioanalytical Chemistry)
Anal. Bioanal. Chem., 375, 36-37 (2003)

Hoffmann T. and J.H. Seinfeld
Secondary Organic Aerosols; in: Atmospheric Chemistry in a Changing World, Brasseur, G.P., Prinn, R.G., Pszenny A.A.P. (Eds.)
Springer Verlag, Heidelberg, Germany (2003)

O’Dowd C.D., P. Aalto, K. Hämeri, M. Kulmala, T. Hoffmann
Atmospheric particles from organic vapours
Nature, 416, 497-498 (2002)

O’Dowd C.D., J.L. Jimenez, R. Bahreini, R.C. Flagan, J.H. Seinfeld, K. Hämeri, L. Pirjola, M. Kulmala, S.G. Jennings, T. Hoffmann
Marine aerosol formation from biogenic iodine emissions
Nature, 417, 632-636 (2002)

Hoffmann T., R. Bandur, S. Hoffmann, B. Warscheid
On-line characterisation of gaseous and particulate organic analytes using atmospheric pressure chemical ionisation mass spectrometry
Spectrochimica Acta B, 57, 1635-1648 (2002)

Warscheid B., T. Hoffmann
Direct analysis of highly oxidised organic aerosol constituents by on-line ion trap mass spectrometry in the negative ion mode
Rapid Commun. Mass Spectrom., 16, 496-504 (2002)

Mäkelä J.M., T. Hoffmann, C. Holzke, M. Väkevä, T. Suni, T. Mattila, P. Aalto, U. Tapper, E. Kauppinen, C.O’Dowd
Biogenic iodine emissions and identification of end-products in coastal ultrafine particles during nucleation bursts
J. Geophys. Res, 107, No. D19, 8110, doi:10.1029/2001JD000580 (2002)

O’Dowd C.D., K. Hämeri, J.M. Mäkelä, L. Pirjola, M. Kulmala, S.G. Jennings, H. Berresheim, H.-C. Hansson, G. de Leeuw, G.J. Kunz, A.G. Allen, C.N. Hewitt, A. Jackson, Y. Viisanen, T. Hoffmann
A dedicated study of new particle formation and fate in the coastal environment (PARFORCE): Overview of objectives and achievements
J. Geophys. Res., 107, No. D19, 8108, doi:10.1029/2001JD000555 (2002)

Schnitzler J.-P., N. Bauknecht, N. Brüggemann, W. Einig, R. Forkel, R. Hampp, A. C. Heiden, U. Heizmann, T. Hoffmann, C. Holzke, L. Jäger, M. Komenda, M. Klauer, R. Koppmann, J. Kreuzwieser, H. Mayer, H. Rennenberg, W. Seiler, G. Smiatek, R. Steinbrecher, J. Wildt , W. Zimmer
Emission of biogenic volatile organic compounds: an overview of field, laboratory and modelling studies performed during the „Tropospheric Research Program“ (TFS) 1997 – 2000
J. Atmos. Chem., 42, 159-177 (2002)

Warscheid B., T. Hoffmann
Structure elucidation of monoterpene oxidation products by ion trap fragmentation using an on-line atmospheric pressure chemical ionisation mass spectrometer in the negative ion mode
Rapid Commun. Mass Spectrom., 15, 2259-2272 (2001)

Spanke J., U. Rannik, R. Forkel, W. Nigge and T. Hoffmann
Emission fluxes and atmospheric degradation of monoterpenes above a boreal forest: field measurements and modelling
Tellus B, 53, 406-422 (2001)

Kulmala, K. Hämeri, P. Aalto, J. Mäkelä, L. Pirjola, D. Nilsson, G. Buzorius, Ü. Rannik, M.D. Maso, W. Seidl, T. Hoffmann, R. Janson, H-C. Hansson, Y. Viisanen, A. Laaksonen and C. O’Dowd
Overview of the international project on Biogenic Aerosol Formation in the Boreal Forest (BIOFOR)
Tellus B, 53, 324-343 (2001)

Schrader W., J. Geiger, M. Godejohann, B. Warscheid, T. Hoffmann
An analytical approach for a comprehensive speciation of organic aerosols
Angew. Chem. Int. Ed., 40 (21), 3998-4001 (2001)

Schrader W., J. Geiger, M. Godejohann, B. Warscheid, T. Hoffmann
Ein analytischer Ansatz für eine detaillierte Studie des atmosphärischen organischen Aerosols
Angew. Chem., 113 (21), 4129-4132 (2001)

Hoffmann T., J.H. Seinfeld and C. O’Dowd
Iodine oxide homogeneous nucleation: An explanation for coastal new particle production
Geophys. Res. Lett., 28, (10), 1949-1952 (2001)