Presentations

2015 waiting for entries
2014 T. Sattler, G. Berberich, D. Klimetzek, E. Atlas, S. Benk and H.F. Schöler: Organohalogens in nest gas of Formica rufa supercolony. GC-MS/ECD/FID measurements. Ant Workshop, Essen 2014.

T. Sattler, T. Kirnbauer, F. Keppler, M. Greule, J. Fischer, P. Spiekermann and H.F. Schöler: VOC and VOX in fluid inclusions of quartz. New insights into hydrothermal vein mineralization by GC-MS and GC-IRMS measurements. GeoFrankfurt, Frankfurt 2014.

P. Weigold, M. El-Hadidi, A. Ruecker, A. Kappler, D. H. Huson and S. Behrens: A metagenomic approach to assess microbial halogenation and dehalogenation potential in soil. Argonne Soil Metagenomics Meeting, Chicago, USA, 2014.

C. Tubbesing, S. Lippe, V. Kullik, L. Hauck, T. Krause, F. Keppler and H.F. Schoeler, Iron Catalyzed Halogenation Processes in Saline Soils. AGU Fall Meeting, San Francisco, USA 2014.

H.F. Schoeler, C. Tubbesing, K. Benzing, T. Krause, S. Lippe and M. Rudloff. Iron mineral catalyzed C-H activation as a potential pathway for halogenation processes. AGU Fall Meeting, San Francisco, USA 2014.

K.A. Kamilli: Particle formation above natural and simulated salt lakes. PhD conference on Earth System Science, Jena, Germany, 2014.

K.A. Kamilli, J. Ofner, T. Sattler, T. Krause and A. Held: Particle formation above natural and simulated salt lakes. EGU General Assembly, Vienna, Austria, 2014.

K.A. Kamilli, J. Ofner, T. Krause, T. Sattler, H. Schöler, B. Lendl and A. Held: Particle formation above natural and simulated salt lakes. BayCEER Workshop 2014, University of Bayreuth, Germany, 2014.

J. Wittmer, S. Bleicher, F.D. Oeste and C. Zetzsch: Smog Chamber Investigation on the Iron-Catalyzed Activation of Chloride from Modeled Saltpans. EGU General Assembly, Vienna, Austria 2014.

J. Wittmer, S. Bleicher, F.D. Oeste and C. Zetzsch: Exploring the activation of chloride by iron(III) salt for a reduction of methane as part of the ISA method for CE. Climate Engineering Conference, Berlin, Germany 2014.

2013 K.A. Kamilli: Particle formation above natural and simulated salt lakes. GAC/PSI-Summer School on Organic Aerosols. Gothenburg/Tjärno, Sweden, June 2013.

K.A. Kamilli, J. Ofner, T. Sattler, T. Krause, C. Zetzsch, A. Held: Particle formation above natural and simulated salt lakes. European Aerosol Conference, Prague, Czech Republic, 2013.

S. Bleicher, J. Wittmer and C. Zetzsch: Smog Chamber Investigation on the Iron-Catalyzed Activation of Chloride from Seasalt for a Depletion of Tropospheric Methane. AGU Fall Meeting, San Francisco, USA 2013.

J. Wittmer, N. Bobrowski, M. Liotta, G. Giuffrida, S. Calabrese and U.Platt: Determination and comparison of acidic gas ratios at the Stromboli Volcano and Mount Etna obtained by various active alkaline traps. Goldschmidt Conference, Florence, Italy 2013

T. Sattler, T. Krause, H.F. Schöler, K.A. Kamilli, A. Held, C. Zetzsch, J. Ofner, W. Junkermann and E. Atlas: Salt Lakes of Western Australia – Emissions of natural volatile organic compounds. Goldschmidt Conference, Florenz, Italy 2013.

C. Tubbesing, K. Kotte, F. Keppler, T. Krause, E. Bahlmann and H.F. Schöler: Occurrence of organohalogens at the Dead Sea Basin. EGU General Assembly, Vienna, Austria 2013.

T. Sattler, T. Krause, H.F. Schöler, K.A. Kamilli, A. Held, C. Zetzsch, J. Ofner, W. Junkermann and E. Atlas: Salt Lakes of Western Australia – Emissions of natural volatile organic compounds. EGU General Assembly, Vienna, Austria 2013.

K.A. Kamilli, J. Ofner, T. Sattler, T. Krause, C. Zetzsch and A. Held: Particle formation above natural and simulated salt lakes. EGU General Assembly, Vienna, Austria, 2013.

K.A. Kamilli, J. Ofner, C. Zetzsch and A. Held: Formation of halogen-induced secondary organic aerosol (XOA). EGU General Assembly, Vienna, Austria, 2013.

J. Ofner, K.A. Kamilli, A. Held, B. Lendl and C. Zetzsch: Halogen-induced organic aerosol (XOA): A study on ultra-fine particle formation and time-resolved chemical characterization. Faraday Discussions 165, Leeds, UK, 2013.

2012 M. Emmerich, A. Bhansali, T. Lösekann-Behrens, C. Schröder, A. Kappler and S. Behrens: Abundance, distribution and activity of Fe(II)-oxidizing and Fe(III)-reducing microorganisms in hypersaline sediments of Lake Kasin, Southern Russia. Jahrestreffen VAAM, Tübingen 2012.

K.A. Kamilli, J. Ofner, C. Zetzsch and A. Held: Formation of halogen-induced secondary organic aerosol (XOA). BayCEER Workshop, University of Bayreuth, Bayreuth 2012.

K.A. Kamilli, J. Ofner, C. Zetzsch and A. Held: Formation of halogen-induced secondary organic aerosol (XOA). European Aerosol Conference, Granada, Spain 2012.

J. Ofner, K.A. Kamilli, A. Held and C. Zetzsch: Formation of halogen-induced secondary organic aerosol (XOA). EGU General Assembly, Vienna, Austria 2012.

C. Tubbesing, T. Krause, I. Mulder, K. Kotte, and H.F. Schöler: Methionine as a potential precursor for halogenated compounds by the reaction with iron minerals. EGU General Assembly, Vienna, Austria 2012.

I. Mulder, T. Krause, S. Studenroth, C. Tubbesing, K. Kotte, and H.F. Schöler: Methyl-methionine as a precursor for methyl chloride and dimethyl sulphide produced in terrestrial salt lakes. EGU General Assembly, Vienna, Austria 2012.

T. Krause, S. Studenroth, I. Mulder, C. Tubbesing, K. Kotte, J. Ofner, W. Junkermann and H.F. Schöler: Salt lakes of Western Australia - Natural abiotic formation of volatile organic compounds. EGU General Assembly, Vienna, Austria 2012.

T. Krause, S. Studenroth, M. Furchner, A. Hoffman, S. Lippe, K. Kotte, and H.F. Schöler: The Brenner Moor - A saline bog as a source for halogenated and non-halogenated volatile compounds. EGU General Assembly, Vienna, Austria 2012.

2011 M. Emmerich, S. Behrens and A. Kappler: Diversity and distribution of Fe(II)-oxidizing and Fe(III)-reducing microorganisms in salt lake sediments of Southern Russia. Int.Symp. of Subsurface Microbiology (ISSM), Garmisch-Partenkirchen 2011.

M. Emmerich, A. Bhansali, T. Lösekann-Behrens, S. Behrens and A. Kappler: Abundance, distribution and activity of Fe(II)-oxidizing and Fe(III)-reducing microorganisms in salt lake sediments of Southern Russia. Jahrestreffen VAAM, Karlsruhe 2011.

S. Studenroth, J. Ofner, H.F. Schöler and C. Zetzsch: Catechol as Possible Prescursor for Dicarboxylic Acids in Secondary Organic Aerosol. ICCE, Zurich, Switzerland 2011

Kotte, K., S.G. Huber, T. Krause, I. Mulder, S. Studenroth and H.F. Schöler: Climatic effects on the emission of volatile organohalogens from saline soils. ICCE, Zurich, Switzerland 2011

K. Kotte and F. Löw: Rapid change detection and salt classification as a promising tool to estimate emission of organohalogens from saline ecosystems. 11th Int.Conf. on Salt Lake Research, Laguna Mar Ciquita/Cordoba, Argentina 2011.

Kotte, K., S.G. Huber, T. Krause and H.F. Schöler: Climatic effects on the emission of volatile organohalogens from saline soils. 11th Int.Conf. on Salt Lake Research, Laguna Mar Ciquita/Cordoba, Argentina 2011.

Kotte, K.: Saline environments as a novel source for volatile organohalogens. 11th Int.Conf. on Salt Lake Research, Laguna Mar Ciquita/Cordoba, Argentina 2011,

Horst, A., H. Holmstrand, P. Andersson, A. Andersson, D. Carrizo, B. Thornton, A.Wishkerman, F. Keppler and Ö. Gustafsson: Compound specific bromine isotope analysis of methyl bromide: method development and initial applications toward plant emissions and the Arctic troposphere. EGU General Assembly, Vienna, Austria 2011.

Huber, S.G., M. Greule and F. Keppler: Stable hydrogen-isotope analysis of methyl chloride emitted from leaves using continuous flow gas chromatography-isotope ratio mass spectrometry. EGU General Assembly, Vienna, Austria 2011.

Kotte, K., S.G. Huber, T. Krause and H.F. Schöler: Climatic effects on the emission of Volatile Organohalogens from saline soils - Study sites in Southern Africa and Central Asia. EGU General Assembly, Vienna, Austria 2011.

Kotte, K. and F. Löw: Rapid change detection and salt classification as a promising tool to estimate emission of naturally produced organohalogens from saline ecosystems. EGU General Assembly, Vienna, Austria 2011.

Ofner, J., N. Balzer, S. Bleicher, J. Buxmann, H. Grothe, H.-U. Krüger, U. Platt, Ph. Schmitt-Kopplin and C. Zetzsch: Aerosol-halogen interaction: Halogenation of secondary organic aerosol. EGU General Assembly, Vienna, Austria 2011

Ofner, J., N. Balzer, H. Grothe, H.-U. Krüger, Ph. Schmitt-Kopplin and C. Zetzsch: Aerosol-halogen interaction: Formation of halogenated compounds in the particle phase and change of aerosol optical properties. EGU General Assembly, Vienna, Austria 2011

Studenroth, S., S.G. Huber, T. Krause, K. Kotte and H.F. Schöler: Abiotic degradation of soil organic matter. Co-Evolution of soils and organic substances, Landau 2011

Ofner, J., N. Balzer, S. Bleicher, J. Buxmann, H. Grothe, H.-U. Krüger, U. Platt, Ph. Schmitt-Kopplin and C. Zetzsch: Aerosol-halogen interaction: Halogenation of carbonaceous particles by naturally released halogens. Int.Conf. on Carbonaceous Particles in the Atmosphere (ICCPA), Vienna 2011

Ofner, J., N. Balzer, S. Bleicher, J. Buxmann, H. Grothe, H.-U. Krüger, U. Platt, Ph. Schmitt-Kopplin and C. Zetzsch: Aerosol-halogen interaction: Heterogeneous halogenation processes in the boundary layer. Bunsentagung, Berlin 2011

2010 Comba, P., S. Fukuzumi and S. Wunderlich: Electron Transfer Properties of High-Valent Iron-Bispidine Complexes. 5th Asian Bioinorganic Chemistry Conference, Kaohsiung, Taiwan 2010.

Comba, P. and S. Wunderlich: Iron-Catalyzed Halogenation of Alkanes: Modeling of Nonheme Halogenases by Experiment and DFT Calculations. 4th Asian Bioinorganic Chemistry Conference, Jeju, South Korea 2010.

Comba, P.: Iron-catalyzed oxidation reactions – ligand control of structure, electronics and reactivity. Symposium in Honor of Clark Landis (ACS Award in Organometallic Chemistry), ACS Meeting, San Francisco, USA 2010

Comba, P.: The predictable variation of structure, electronics and reactivity of nonheme iron oxidation catalysts. ICCC39, Adelaide, Australia 2010.

Comba, P.: Bispidine coordination chemistry – from bioinorganic model compounds to catalysis. JSPS Coordination Chemistry Meeting, Osaka, Japan 2010.

Wunderlich, S.: Properties of High-Valent Iron Bispidine Complexes. Japanese-German Presidents’ Conference, Heidelberg 2010.

Wunderlich, S.: Hochvalente Eisen-Bispidinkomplexe: Elektronentransfer und Katalyse. Werkstattgespräch des SFB 623 (Molekulare Katalysatoren), Heidelberg 2010

Ofner, J., H.-U. Krüger, H. Grothe and C. Zetzsch: Formation and processing of Secondary Organic Aerosol from catechol and guaiacol as a model for Atmospheric HULIS. EGU General Assembly, Vienna, Austria 2010.

Ofner, J., H.-U. Krüger, H. Grothe, Ph. Schmitt-Kopplin and C. Zetzsch: Secondary organic aerosol from catechol as a model for atmospheric HULIS: Formation and processing with respect to transformation of functional groups. International Aerosol Conference, Helsinki, Finland 2010.

Ofner, J., N. Balzer, S. Bleicher, J. Buxmann, H. Grothe, H.-U. Krüger, U. Platt, Ph. Schmitt-Kopplin and C. Zetzsch: Aerosol-halogen interaction: Processing of secondary organic aerosols by naturally released halogens. Atmospheric Chemical Mechanisms “Tackling the greatest uncertainties”, University of California, Davis, USA 2010.

Bleicher, S., N. Balzer, J. Buxmann, U. Platt and C. Zetzsch: Kinetic smog-chamber studies on halogen activation from a simulated salt pan, using dry and wet NaCl/NaBr surfaces. EGU General Assembly, Vienna, Austria 2010.

Holla, R., S. Landwehr, U. Platt, K. Kotte, L. Lisitsyna, I. Mulder, M. Emmerich, S.G. Huber and M. Heidak: Spectroscopical determination of ground-level concentrations of reactive halogen species (RHS) above salt lakes, salt pans and other areas with high halogen emissions EGU General Assembly, Vienna, Austria 2010.

Mulder, I., S.G. Huber, H.F. Schöler and C. Zetzsch: A new purge and trap headspace technique to analyse halogenated VOCs from fluid inclusions of rocks and minerals EGU General Assembly, Vienna, Austria 2010.

Studenroth, S., S.G. Huber and H.F. Schöler: Abiotic degradation of soil organic matter to oxalic acid. EGU General Assembly, Vienna, Austria 2010.

Huber, S.G., I. Mulder, K. Kotte, J. Williams and H.F. Schöler: Natural formation of trihalomethanes (THM) in soils. EGU General Assembly, Vienna, Austria 2010.

Hoch, D., J. Buxmann, H. Sihler und U. Platt: Resonator Verstärkte Differentielle Optische Absorptions Spektroskopie: Labormessungen von BrO, HCHO, HONO und O3. DPG Frühjahrstagung der Sektion AMOP(Atom und Molekülphysik), Hannover 2010.

Studenroth, S. and H.F. Schöler: Formation of oxalic acid by natural oxidation processes. Workshop on Atmospheric Chemistry: Kinetics and spectroscopy, Bayreuth 2010.

Huber, S.G., I. Mulder, K. Kotte, J. Williams and H.F. Schöler: Natural formation of trihalomethanes (THM) in soils. Workshop on Atmospheric Chemistry: Kinetics and Spectroscopy, Bayreuth 2010.

Mulder, I., S.G. Huber, H.F. Schöler and C. Zetzsch: A new purge and trap headspace technique to analyse Halogenated VOCs from fluid inclusions of rocks and minerals. Workshop on Atmospheric Chemistry: Kinetics and Spectroscopy, Bayreuth 2010.

Buxmann, J., N. Balzer, S. Bleicher, K. Kotte, U. Platt, C. Zetzsch and J.P. Jacobus: Field studies of BrO and IO at salt ponds (Namibia and Botswana) and related smog chamber experiments on environmental salt and soil samples. Workshop on Atmospheric Chemistry: Kinetics and Spectroscopy, Bayreuth 2010.

Ofner, J., H.-U. Krüger and C.Zetzsch: Studying formation and processing of secondary organic aerosols using infrared spectroscopy. Workshop on Atmospheric Chemistry: Kinetics and Spectroscopy, Bayreuth 2010.

Kotte, K. and F. Löw: Rapid change detection and salt classification as a promising tool to estimate emission of organohalogens from saline ecosystems. Earth Observation for Land-Atmosphere Interaction Science, Frascati, Italy 2010.

Kotte, K., L. Weissflog, S.G. Huber, C.A. Lange and J.J. Pienaar: Emission of volatile organohalogens by Southern African solar salt works. Workshop on Atmospheric Chemistry: Kinetics and Spectroscopy, Bayreuth 2010.

Holla, R., S. Landwehr, U. Platt, K. Kotte, L. Lisitsyna, I. Mulder, M. Emmerich, S.G. Huber and M. Heidak: Spectroscopic determination of ground-level concentrations of reactive halogen species (RHS) above salt lakes, salt pans and other areas with high halogen emissions. Workshop on Atmospheric Chemistry: Kinetics and Spectroscopy, Bayreuth 2010.

Ofner, J., H.-U. Krüger, H. Grothe and C. Zetzsch: Spectroscopy and electron microscopy of nanostructured particles from nucleation by oxidation of phenols as a model for atmospheric HULIS. Bunsentagung, Bielefeld 2010.

Balzer, N., S. Bleicher, J. Ofner, C. Zetzsch, K. Kotte, J. Buxmann and U. Platt: Release of reactive halogen species from a simulated salt pan, using dry and wet solid NaCl/NaBr and environmental samples surfaces in smog-chamber experiments 3th Bi-annual Kieler Symposium "Future Ocean", Kiel 2010.

Kotte, K.: Dioxine, PCB's und Pestizide in Sedimenten des südlichen Aralseegebietes. Verbreitete Annahmen und tatsächliche Kontaminationen. DGFG Arbeitskreis Wüstenrandforschung, Rauischholzhausen 2011.

Kotte, K.: Hypersaline Ökosysteme als Quelle volatiler Halogenkohlenwasserstoffe. Emissionspotentiale und toxikologische Effekte. Kolloquium, Institut für Biogeochemie und Meereschemie, Hamburg 2010.

Greule, M., S. Huber, M. Flanz and F. Keppler: 2H and 13C analysis of methyl halides emitted from vegetation using continuous flow gas chromatography-isotope ratio mass spectrometry. GASIR Jahrestagung 2010, Köln 2010.

Keppler, F., M. Greule and J.T.G. Hamilton: Stable carbon and hydrogen isotope values of plant methoxyl groups: valuable tool for biogeosciences. 5th International Symposium on Isotopomers (ISI2010), Amsterdam, The Netherlands 2010.

2009 M. Emmerich, S. Behrens, A. Kappler, K. Kotte and H.F. Schöler: Stimulation of natural organohalogen formation by microorganisms. Goldschmidt Konferenz in Davos, Schweiz 2009.

M. Emmerich, S. Behrens, K. Kotte, H.F. Schöler and A. Kappler: Characterization of microbial communities in organohalogen-emitting South African salt lake sediments" Federation of European Microbiological Societies (FEMS)- Kongress, Göteborg, Schweden 2009.

Bleicher, S., R. Gavrilov, F. Siekmann, H.-U. Krüger and C. Zetzsch: Experiments on the atmospheric degradation of Aldrin in the aerosol-borne state in the Low-Temperature Aerosol Smog Chamber. LOTASC, Binz 2009.

Buxmann, J., N. Balzer, K.Kotte, U. Platt and C. Zetzsch: Field studies of BrO and IO at Walfish bay (Namibia) and related smog chamber experiments on environmental salt and soil samples. SOLAS Open Science Conference, Barcelona, Spain 2009.

Ofner, J. and C. Zetzsch: Spectroscopic investigations of organic aerosol and its reaction with halogens. Bayceer-Workshop, Bayreuth 2009.

Ofner, J. and C. Zetzsch: Spectroscopic investigations of organic aerosol and its reaction with halogens, released by sea-salt activation. EGU General Assembly, Vienna, Austria 2009.

Ofner, J. and C. Zetzsch: Spectroscopic investigations of organic aerosol reacting with halogens. 13th Austrian Chemistry Days, Vienna, Austria 2009.

Ofner, J. and C. Zetzsch: Spectroscopic investigations of organic aerosol reacting with halogens. Jahrestagung der GDCh-Fachgruppe Umweltchemie und Ökotoxikologie, Trier 2009

Ofner, J., H.-U. Krüger, C. Zetzsch and H. Grothe: Humic-like secondary organic aerosol from catechol and guaiacol as model substances for heterogeneous atmospheric chemistry International Conference "Atmospheric Transport and Chemistry in Forest Ecosystems", Thurnau/Bayreuth 2009.

Huber, S., I. Mulder and H.F. Schöler: Natürliche Bildung von Trihalomethanen (THM) in Böden. Jahrestagung der Fachgruppe Wasserchemie, Stralsund 2009.

Wishkerman, A., N. Yassaa, C.W. McRoberts, R. McCormack, J.T.G. Hamilton, J. Williams and F. Keppler: Abiotic methyl chloride and methyl bromide emissions from terrestrial and marine dry plant matter. 10th European Meeting on Environmental Chemistry, Limoges, France 2009.

Kotte, K.: Natürliche Halogenierungsprozesse - Umweltchemische Relevanz von Salzseen und Salzböden am Beispiel des südlichen Afrika und Südrusslands. DGFG Arbeitskreis "Wüstenrandforschung", Rauischholzhausen 2009.

Kotte, K.: Formation of volatile halogenated compounds in salt lakes and salty soils and the mutual reactions with salt storms and desertification. International Dust & Sand Storm (DSS) Symposium "DSS and Desertification", Marburg 2009.

2008 M. Emmerich, J. Gloel and A. Kappler: Formation of volatile organohalogens stimulated by microbially activated Fe minerals and humic substances. RAISEBIO Summerschool "Chemicals in Soil", Leipzig 2008

Balzer, N., W. Behnke, J. Ofner, F. Siekmann and C. Zetzsch: Release of reactive halogen species from sea-salt aerosols and interaction with secondary organic aerosols and HULIS in smog-chamber experiments. AICI-HitT-SPARC Workshop “ICES AND HALOGENS: Laboratory Studies to Improve the Modelling of Field Data”, British Antarctic Survey, Cambridge, UK 2008.

Ofner, J. and C. Zetzsch: Spectroscopic investigations of organic aerosol and its reaction with halogens. Bayceer-Workshop, Universität Bayreuth, Bayreuth 2008.

Wishkerman, A., S. Gebhardt, C.W. McRoberts, J.T.G. Hamilton, J. Williams and F. Keppler: Abiotic methyl bromide formation from vegetation at ambient temperatures. EGU General Assembly, Vienna, Austria 2008.

Sörgel, M., J. Ofner, F. Siekmann, H.-U. Krüger and C. Zetzsch: Humic acids and HULIS as proxies for atmospheric organic aerosol. Bayceer-Workshop, Bayreuth 2008.

Balzer, N., W. Behnke, J. Ofner, F. Siekmann and C. Zetzsch: Release of reactive halogen species from sea-salt aerosols and interaction with secondary organic aerosols and HULIS in smog-chamber experiments. AICI-HitT-SPARC Workshop "ICES AND HALOGENS: Laboratory Studies to Improve the Modelling of Field Data", British Antarctic Survey, Cambridge, UK 2008

Nothnagel, C., K. Kotte and J.J. Pienaar: Determination of Disinfection By-Products and extractable organic compounds in South African tap water. International Conference on Exploring Transdisciplinary Discourses: Water, Society and the Environment in Africa, Drackensberg, South Africa 2008