Poster:

• 37. Deutscher Lebensmittelchemikertag, September 8 – 10, 2008, Universität Kaiserslautern/Germany
  Natalie Rosenfelder, Yasemin Özfatura, Sonja Schlosser, Walter Vetter:
  Erstellung einer Datenbasis für Polyorganobromverbindungen zum umfassenden Nachweis in Lebensmittelproben. Lebensmittelchemie


• 38. Deutscher Lebensmittelchemikertag, September 11 – 19, 2009, Berlin/Germany
  Natalie Rosenfelder, Patrizia Ostrowicz, Gordon Gribble, Walter Vetter:
  Enantiomerentrennung des atropisomeren halogenierten Naturstoffes BC-10. Lebensmittelchemie


• 39. Deutscher Lebensmittelchemikertag, September 20 - 22, 2010, Stuttgart-Hohenheim/Germany
  Natalie Rosenfelder, Walter Vetter:
  Entwicklung einer "non-target" GC/EI-MS SIM Methode zum Nachweis halogenierter Naturstoffe. Lebensmittelchemie, in press.


• Jahrestagung der Regionalverbände Nord und SüdWest der Lebensmittelchemischen Gesellschaft, March 14 - 15, 2011, Kassel/Germany
  Carolin Hauler, Natalie Rosenfelder, Walter Vetter:
  Identifizierung polyhalogenierter Verbindungen mittels Nontarget GC/NCI-MS SIM. Lebensmittelchemie, in press.
  
  

Artikles:

• Walter Vetter, Natalie Rosenfelder, Stefan Kraan, Josef Hiebl (2008):
  Structure and origin of the natural halogenated monoterpene MHC-1 and its concentrations in marine mammals and fish.
  Chemosphere 73: 7-13 (DOI: 10.1016/j.chemosphere.2008.06.020)


• Walter Vetter, Natalie Rosenfelder (2008):
  Gas chromatographic retention data of environmentally relevant polybrominated compounds.
  Anal. Bioanal. Chem. 392: 489-504 (DOI: 10.1007/s00216-008-2277-4)


• Walter Vetter, Paul Haase-Aschoff, Natalie Rosenfelder, Tatiana Komarova, Jochen Müller (2009):
  Determination of halogenated natural products in passive samplers deployed along the Great Barrier Reef, Queensland/Australia.
  Environ. Sci. Technol. 43: 6131-6137 (DOI: 10.1021/es900928m)


• Natalie Rosenfelder, Walter Vetter (2009):
  Gas chromatography coupled to electron capture negative ion mass spectrometry with nitrogen as the reagent gas – an alternative method for the determination of polybrominated compounds.
  Rapid Comm. Mass Spectrom. 23: 3807-3812 (DOI: 10.1002/rcm.4327)


• Walter Vetter, Roland von der Recke, Patrizia Ostrowicz, Natalie Rosenfelder (2010):
  Liquid chromatographic enantioseparation of the brominated flame retardant 2,3-dibromopropyl-2,4,6-tribromophenyl ether (DPTE) and enantiomer fractions in seal blubber.
  Chemosphere 78: 134-138 (DOI: 10.1016/j.chemosphere.2009.09.071)


• Natalie Rosenfelder, Patrizia Ostrowicz, Liangfeng Fu, Gordon W. Gribble, Sheryl Tittlemier, Wolfgang Frey, Walter Vetter (2010):
  Enantioseparation and absolute configuration of the atropisomers of a naturally produced hexahalogenated 1,1´-dimethyl-2,2´-bipyrrole.
  J. Chromatogr. A 1217: 2050-2055 (DOI: 10.1016/j.chroma.2010.01.083)


• Natalie Rosenfelder, Nathan J. Van Zee, Jochen F. Mueller, Caroline Gaus, Walter Vetter (2010):
  Gas Chromatography/Electron Ionization-Mass Spectrometry-Selected Ion Monitoring Screening Method for a Thorough Investigation of Polyhalogenated Compounds in Passive Sampler Extracts with Quadrupole Systems.
  Anal. Chem. 82: 9835-9842 (DOI 10.1021/ac102134x)


• Wolf Benjamin Dambacher, Natalie Rosenfelder, Jürgen Conrad, Walter Vetter (2011):
  Generation and analysis of mixed chlorinated/brominated homologs of the halogenated natural product heptachloro-1´-methyl-1,2´-bipyrrole.
  Chemosphere 83: 948-954 (DOI: 10.1016/j.chemosphere.2011.02.038)


• Simon Gaul, Paul Bendig, Daniel Olbrich, Natalie Rosenfelder, Paulina Ruff, Caroline Gaus, Jochen F. Mueller, Walter Vetter (2011):
  Identification of the natural product 2,3,4,5-tetrabromo-1-methylpyrrole in Pacific fish, passive samplers and seagrass from Queensland, Australia.
  Mar. Poll. Bull. 62: 2463-2467 (DOI: 10.1016/j.marpolbul.2011.08.022)


• Natalie Rosenfelder, Katja Lehnert, Stefanie Kaffarnik, Joao P. M. Torres, Marcelo Vianna, Walter Vetter (2012):
  Thorough analysis of polyhalogenated compounds in ray liver samples off the Coast of Rio de Janeiro/ Brazil.
  Environ. Sci. Pollut. Res. 19: 379-389 (DOI: 10.1007/s11356-011-0569-2)


• Natalie Rosenfelder, Walter Vetter (2012):
  Stable carbon isotope ratios (d¹³C values) of the halogenated monoterpene MHC-1 in seaweed and fish from different regions.
  J. Environ. Monitor. 14 (2012): 845-852 (DOI:10.1039/C2EM10838K)


• Natalie Rosenfelder, Walter Vetter (2012):
  A calculation mode for the correct GC/ECNI-MS-SIM determination of polychlorinated terphenyls in the presence of high excesses of polychlorinated biphenyls.
  Anal. Bioanal. Chem. 404: 2105-2111 (DOI: 10.1007/s00216-012-6306-y)


• Natalie Rosenfelder, Walter Vetter (2014):
  Polychlorinated terphenyl patterns and levels in selected marine mammals and a river fish from different continents.
  Environ. Int. 62: 119-124 (DOI: 10.1016/j.envint.2013.10.008)

Lectures:

• Jahrestagung des Regionalverbandes SüdWest der Lebensmittelchemischen Gesellschaft,
  March 3 – 4, 2008, Universität Hohenheim/Germany
  Natalie Rosenfelder, Walter Vetter:
  Isolierung und Identifizierung eines halogenierten Naturstoffes aus Plocamium cartilagineum


• „Dioxin 2008”, 28th International Symposium on Halogenated Persistent Organic Pollutants,
  August 17 – 22, 2008, Birmingham/England
  Natalie Rosenfelder, Walter Vetter:
  Gas chromatographic retention data of environmentally relevant polybrominated compounds. Organohalogen Compd. 70: 930-933


• „Dioxin 2008”, 28th International Symposium on Halogenated Persistent Organic Pollutants,
  August 17 – 22, 2008, Birmingham/England
  Natalie Rosenfelder, Walter Vetter:
  Structure and origin and concentrations of the natural halogenated monoterpene MHC-1 in marine mammals and fish. Organohalogen Compd. 70: 333-336


• „Dioxin 2010”, 30th International Symposium on Halogenated Persistent Organic Pollutants,
  September 12 – 17, 2010, San Antonio/USA
  N.Rosenfelder, N.Van Zee, J.Mueller, C.Gaus, W.Vetter:
  Non-target GC/EI-MS Screening of Polyhalogenated Compounds.


• „Dioxin 2010”, 30th International Symposium on Halogenated Persistent Organic Pollutants,
  September 12 – 17, 2010, San Antonio/USA
  N.Rosenfelder, P.Bendig, W.Vetter:
  δ¹³C Values of Polybrominated Diphenylethers and their UV-Transformation Products.


• „Dioxin 2011”, 31st International Symposium on Halogenated Persistent Organic Pollutants,
  August, 21 - 25, 2011, Brussels/Belgium
  W. Vetter, S. Gaul, P. Bendig, D. Olbrich, N. Rosenfelder, C. Gaus, J. Müller:
  Identification of the natural product tetrabromo-1-methylpyrrole in Pacific fish as well as in seagrass and passive water samplers from Queensland, Australia.


• „Dioxin 2011”, 31st International Symposium on Halogenated Persistent Organic Pollutants,
  August, 21 - 25, 2011, Brussels/Belgium
  N. Rosenfelder, W. Vetter:
  Key-congeners and congener pattern of polychlorinated terphenyls in marine mammals from different continents.


• „Dioxin 2011”, 31st International Symposium on Halogenated Persistent Organic Pollutants,
  August, 21 - 25, 2011, Brussels/Belgium
  W. Vetter, N. Rosenfelder:
  An accurute GC/ECNI-MS-SIM quantitation method for polychlorinated terphenyls in the presence of high PCB excesses.