Daniel Zahn

PostDoc

• Analytik, Vorkommen und Umweltverhalten von persistenten, mobilen und toxischen Chemikalien (PMT)
• Transformation anthropogener Spurenstoffe in der Umwelt und Wasseraufbereitung
• Identifikation von Transformationsprodukten
• Vorkommen und Umweltverhalten Reifen-bürtiger organischer Spurenstoffe
• Analytische Methoden, Vorkommen und Umweltverhalten wasserlöslicher Polymere
  

2022

I. J. Neuwald, D. Hübner, H. L. Wiegand, V. Valkov, U. Borchers, K. Nödler, M. Scheurer, S. E. Hale, H. P. H. Arp, D. Zahn: Occurrence, Distribution, and Environmental Behavior of Persistent, Mobile, and Toxic (PMT) and very Persistent and very Mobile (vPvM) Substances in the Sources of German Drinking Water, Environmental Science and Technology, 2022, 56, 10857-10867
https://doi.org/10.1021/acs.est.2c03659

G. Gollong, I. J. Neuwald, J. Kuckelkorn, R. Junek, D. Zahn: Assessing the protection gap for mobile and persistent chemicals during advanced water treatment - A study in a drinking water production and wastewater treatment plant, Water Research, 2022, 221, 118847
https://doi.org/10.1016/j.watres.2022.118847

I. J. Neuwald, D. Hübner, H. L. Wiegand, V. Valkov, U. Borchers, K. Nödler, M. Scheurer, S. E. Hale, H. P. H. Arp, D. Zahn: Ultra-short-chain PFASs in the Sources of German Drinking Water: Prevalent, overlooked, difficult to remove, and unregulated, Environmental Science and Technology, 2022, 56, 6380-6390
https://doi.org/10.1021/acs.est.1c07949

K. Müller, D. Hübner, S. Huppertsberg, T. P. Knepper, D. Zahn: Probing the chemical complexity of tires: Identification of potential tire-borne water contaminants with high-resolution mass spectrometry, Science of the Total Environment, 2022, 802, 149799
https://doi.org/10.1016/j.scitotenv.2021.149799

2021

I. J. Neuwald, M. Muschket, D. Zahn, U. Berger, B. Seiwert, T. Meier, J. Kuckelkron, C. Strobel, T. P. Knepper, T. Reemtsma: Filling the knowledge gap: A suspect screening study for 1300 potentially persistent and mobile chemicals with SFC- and HILIC-HRMS in two German river systems, Water Research, 2021, 204, 117645
https://doi.org/10.1016/j.watres.2021.117645

P. Hehet, N. Köke, D. Zahn, T. Frömel, T. Rößler, T. P. Knepper, M. Pütz: Synthetic cannabinoid receptor agonists and their human metabolites in sewage water: Stability assessment and identification of transformation products, Drug Testing and Analysis, 2021, 13, 1758
https://doi.org/10.1002/dta.3129

2020

D. Zahn, T. Frömel: Finding a needle in a haystack – analyte-driven tools and techniques for information extraction and prioritization of chemicals from environmental (chromatography-)HRMS nontarget screening data, Current Opinion in Environmental Science & Health, 2020, 18, 70-78
https://doi.org/10.1016/j.coesh.2020.09.005

S. Huppertsberg, D. Zahn, F. Pauelsen, T. Reemtsma, T. P. Knepper: Making waves: Water-soluable polymers in the aquatic environment: an overlooked class of synthetic polymers?, Water Research, 2020, 181, 115931
https://doi.org/10.1016/j.watres.2020.115931

I. J. Neuwald, D. Zahn, T. P. Knepper: Are (fluorinated) ionic liquids relevant environmental contaminants? High-resolution mass spectrometric screening for per- and polyfluoroalkyl substances in environmental water samples led to the detection of a fluorinated ionic liquid, Analytical and Bioanalytical Chemistry, 2020, 412, 4881-4892
https://doi.org/10.1007/s00216-020-02606-8

K. Müller, D. Zahn, T. Frömel, T. P. Knepper: Matrix effects in the analysis of polar organic water contaminants with HILIC-ESI-MS, Analytical and Bioanalytical Chemistry, 2020, 412, 4867-4879
https://doi.org/10.1007/s00216-020-02548-1

D. Zahn, I. J. Neuwald, T. P. Knepper: Analysis of mobile chemicals in the aquatic environment – current capabilities, limitations, and future perspectives, Analytical and Bioanalytical Chemistry, 2020, 412, 4763-4784
https://doi.org/10.1007/s00216-020-02520-z

2019

D. Zahn, R. Meusinger, T. Frömel, T. P. Knepper: Halomethanesulfonic acids – a new class of polar disinfection byproducts: standard synthesis, occurrence, and indirect assessment of mitigation options, Environmental Science and Technology, 2019, 53, 8994-9002
https://doi.org/10.1021/acs.est.9b03016

S. Schulze, D. Zahn, R. Montes, R. Rodil, J. Quintana, T. P. Knepper, T. Reemtsma, U. Berger: Occurrence of emerging persistent and mobile organic contaminants in European water samples, Water Research, 2019, 153, 80-90
https://doi.org/10.1016/j.watres.2019.01.008

D. Zahn, P. Mucha, V. Zilles, A. Touffet, H. Gallard, T. P. Knepper, T. Frömel: Identification of mobile and persistent transformation products of REACH-registered chemicals and their occurrence in surface waters, Water Research, 2019, 150, 86-96
https://doi.org/10.1016/j.watres.2018.11.042

2018

N. Köke, D. Zahn, T. P. Knepper, T. Frömel: Multi-layer solid-phase extraction and evaporation – enrichment methods for polar organic chemicals from aqueous matrices, Analytical and Bioanalytical Chemistry, 2018, 410, 2403-2411
https://doi.org/10.1007/s00216-018-0921-1

2016

D. Zahn, T. Frömel, T. P. Knepper: Halogenated methanesulfonic acids: A new class of organic micropollutants in the water cycle, Water Research, 2016, 101, 292-299
https://doi.org/10.1016/j.watres.2016.05.082