Poster:

• Arbeitstagung des Regionalverbandes Südwest der Lebensmittelchemischen Gesellschaft,
  March, 07 - 08, 2017, Sigmaringen/Germany
  Jannik Sprengel, Christoph Gallistl, Walter Vetter: Synthese von hoch- und niederchlorierten Einzelkettenstandards von Chlorparaffinen der Kettenlängen C₁₀ - C₁₈.


• 46. Deutscher Lebensmittelchemikertag,
  September, 25 - 28, 2017, Würzburg/Germany
  Jannik Sprengel, Christoph Gallistl, Walter Vetter: Synthese von Chlorparaffin-Einzelkettenstandards.


• 47. Deutscher Lebensmittelchemikertag,
  September, 17 - 19, 2018, Berlin/Germany
  Jannik Sprengel, Sina Wieselmann, Walter Vetter: Hohe Chlorparaffingehalte in Nahrungsergänzungsmitteln.


• 47. Deutscher Lebensmittelchemikertag,
  September, 17 - 19, 2018, Berlin/Germany
  Alexandra Klimm, Daniela Brenner, Bianca Lok, Jannik Sprengel, Walter Vetter: Photolytische Umwandlung des Flammschutzmittels Decabromdiphenylethan (DBDPE).


• Arbeitstagung des Regionalverbandes Südwest der Lebensmittelchemischen Gesellschaft,
  March, 05 - 06, 2019, Stuttgart Hohenheim/Germany
  Jannik Sprengel, Walter Vetter: Chlorparaffine im täglichen Leben - eine unterschätzte Gefahr?


• 48. Deutscher Lebensmittelchemikertag,
  September, 16 -18, 2019, Dresden/Germany
  Jannik Sprengel, Nina Wiedmaier-Czerny, Walter Vetter: Charakterisierung von Chlorparaffinen mithilfe der Kernresonanzspektroskopie (NMR).

Artikles:

• Christoph Gallistl, Jannik Sprengel, Walter Vetter (2018):
  High levels of medium-chain chlorinated paraffins and polybrominated diphenyl ethers on the inside of several household baking oven doors.
  Sci. Total Environ. 615: 1019-1027 (DOI: 10.1016/j.scitotenv.2017.09.112)


• Jannik Sprengel, Walter Vetter (2019):
  Synthesis and characterization of eight single chain length chlorinated paraffin standards and their use for quantification.
  Rapid Comm. Mass Spectrom. 33: 49-56 (DOI: 10.1002/rcm.8310)


• Jannik Sprengel, Nina Wiedmaier-Czerny and Walter Vetter (2019):
  Characterization of single chain length chlorinated paraffin mixtures with nuclear magnetic resonance spectroscopy (NMR).
  Chemosphere 228: 762-768 (DOI: 10.1016/j.chemosphere.2019.04.0940045-6535)


• Jannik Sprengel, Sina Wieselmann, Alexander Kröpfl, Walter Vetter (2019):
  High amounts of chlorinated paraffins in oil-based vitamin E dietary supplements on the German market.
  Environ. Int. 128: 438-445 (DOI: 10.1016/J.envint.2019.04.065)


• Alexandra Klimm, Daniela Brenner, Bianca Lok, Jannik Sprengel, Kerstin Krätschmer, Walter Vetter (2019):
  Photolytic transformation products of decabromodiphenyl ethane (DBDPE).
  Environ. Sci. Technol. 53: 6302-6309 (DOI: 10.1021/acs.est.9b01231)


• Norbert Heeb, Silvan Iten, Lena Schinkel, Marco Knobloch, Jannik Sprengel, Peter Lienemann, Davide Bleiner, Walter Vetter (2020):
  Characterization of synthetic single chain CP standard materials - Removal of interfering side products.
  Chemosphere, 126959 (DOI: 10.1016/j.chemosphere.2020.126959)


• Jannik Sprengel, Walter Vetter (2020):
  NMR and GC/MS analysis of industrial chloroparaffins mixtures.
  Anal. Bioanal. Chem. 412: 4669-4679 (DOI: 10.1007/s00216-020-02720-7)


• Jannik Sprengel, Walter Vetter (2021):
  Chlorinated paraffins in hinges of kitchen appliances.
  Environ. Monit. Assess. 193: 250 (DOI: 10.1007/s10661-021-09023-z)


• Jannik Sprengel, Peter A. Behnisch, Harrie Besselink, Abraham Brouwer, Walter Vetter(2021):
  In vitro human cell‑based TTR‑TRβ CALUX assay indicates thyroid hormone transport disruption of short‑chain, medium‑chain, and long‑chain chlorinated paraffins.
  Archives of Toxicology 95 :1391-1396 Doi: 10.1007/s00204-021-02994-5


• Jannik Sprengel, Stefanie Rixen, Oliver Kappenstein, Walter Vetter (2021):
  Transport of chlorinated paraffins from baking oven doors into the food.
  Food Chem. X 10: 100122 (DOI: 10.1016/j.fochx.2021.100122)


• Alwyn Fernandes, Walter Vetter, Caroline Dirks, Louise van Mourik, Ronan Cariou, Jannik Sprengel, Norbert Heeb, Anouk Lentjes, Kerstin Krätschmer (2022):
  Determination of chlorinated paraffins (CPs): Analytical conundrums and the pressing need for reliable and relevant standards.
  Chemosphere 286: 131878 (DOI: 10.1016/j.chemosphere.2021.131878)


• Walter Vetter, Jannik Sprengel, Kerstin Krätschmer (2022):
  Chlorinated paraffins - a historical consideration including remarks on their complexity.
  Chemosphere 287: 132032 (DOI: 10.1016/j.chemosphere.2021.132032)


• Jannik Sprengel, Kerstin Krätschmer, Walter Vetter (2022):
  A new synthesis approach for the generation of single chain CP mixtures composed of a few major compounds.
  Chemosphere 287: 132372 (DOI: 10.1016/j.chemosphere.2021.132372)


• Marco C. Knobloch, Jannik Sprengel, Flurin Mathis, Regula Haag, Susanne Kern, Davide Bleiner, Walter Vetter, Norbert V. Heeb (2022):
  Chemical synthesis and characterization of single-chain C₁₈-chloroparaffin materials with defined degrees of chlorination.
  Chemosphere 291, Part 2, 132938 (DOI: 10.1016/j.chemosphere.2021.132938)


• Jannik Sprengel, Stefanie Rixen, Thomas Tietz, Sebastian Zellmer, David M. Schumacher, Anja Lüth, Oliver Kappenstein, Walter Vetter (2023):
  Chlorinated paraffins in nut-nougat and chocolate spreads from the German market.
  Food Cont. 145: 109385 (DOI: 10.1016/j.foodcont.2022.109385)

Lectures:

• Dioxin 2017, 37^th International Symposium on Halogenated Persistent Organic Pollutants,
  August, 20 - 25, 2017, Vancouver, B.C./Canada
  Walter Vetter, Christoph Gallistl, Jannik Sprengel:
  Baking ovens are a relevant source of medium-chain chlorinated paraffins (MCCPs) in household kitchens.


• Dioxin 2018, 38^th International Symposium on Halogenated Persistent Organic Pollutants,
  August, 26 -31, 2018, Kraków/Poland
  Jannik Sprengel, Walter Vetter:
  Synthesis and characterization of C10-C17 chloroparaffins with single chain lengths and their use for quantification via GC/ECNI-MS-SIM.


• Dioxin 2018, 38^th International Symposium on Halogenated Persistent Organic Pollutants,
  August, 26 -31, 2018, Kraków/Poland
  Jannik Sprengel, Sina Wieselmann, Walter Vetter:
  Chlorinated paraffins in dietary supplement oil capsules from the German market.