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Items: 1 to 50 of 63

1.

Genetic and chemical diversity of the toxic herb Jacobaea vulgaris Gaertn. (syn. Senecio jacobaea L.) in Northern Germany.

Jung S, Lauter J, Hartung NM, These A, Hamscher G, Wissemann V.

Phytochemistry. 2020 Jan 8;172:112235. doi: 10.1016/j.phytochem.2019.112235. [Epub ahead of print]

PMID:
31926379
2.

Effects of an enzymatically stable C-terminal hexapseudopeptide fragment peptide of xenin-25, ψ-xenin-6, on pancreatic islet function and metabolism.

Craig SL, Gault VA, McClean S, Hamscher G, Irwin N.

Mol Cell Endocrinol. 2019 Oct 1;496:110523. doi: 10.1016/j.mce.2019.110523. Epub 2019 Jul 25.

PMID:
31352038
3.

Degradation and transformation of fluoroquinolones by microorganisms with special emphasis on ciprofloxacin.

Rusch M, Spielmeyer A, Zorn H, Hamscher G.

Appl Microbiol Biotechnol. 2019 Sep;103(17):6933-6948. doi: 10.1007/s00253-019-10017-8. Epub 2019 Jul 22. Review.

PMID:
31332486
4.

Corrigendum to "Determination of adsorbable organically bound fluorine (AOF) and adsorbable organically bound halogens as sum parameters in aqueous environmental samples using combustion ion chromatography (CIC)" [Sci. Total Environ. 673 (2019) 384-391].

von Abercron E, Falk S, Stahl T, Georgii S, Hamscher G, Brunn H, Schmitz F.

Sci Total Environ. 2019 Oct 15;687:1. doi: 10.1016/j.scitotenv.2019.05.442. Epub 2019 Jun 12. No abstract available.

PMID:
31202007
5.

Determination of adsorbable organically bound fluorine (AOF) and adsorbable organically bound halogens as sum parameters in aqueous environmental samples using combustion ion chromatography (CIC).

von Abercron E, Falk S, Stahl T, Georgii S, Hamscher G, Brunn H, Schmitz F.

Sci Total Environ. 2019 Jul 10;673:384-391. doi: 10.1016/j.scitotenv.2019.04.068. Epub 2019 Apr 6. Erratum in: Sci Total Environ. 2019 Oct 15;687:1.

PMID:
30991328
6.

Analysis of fluoroquinolones in dusts from intensive livestock farming and the co-occurrence of fluoroquinolone-resistant Escherichia coli.

Schulz J, Kemper N, Hartung J, Janusch F, Mohring SAI, Hamscher G.

Sci Rep. 2019 Mar 26;9(1):5117. doi: 10.1038/s41598-019-41528-z.

7.

Biotransformation of ciprofloxacin by Xylaria longipes: structure elucidation and residual antibacterial activity of metabolites.

Rusch M, Spielmeyer A, Zorn H, Hamscher G.

Appl Microbiol Biotechnol. 2018 Oct;102(19):8573-8584. doi: 10.1007/s00253-018-9231-y. Epub 2018 Jul 21.

PMID:
30030566
8.

Veterinary Drugs in the Environment: Current Knowledge and Challenges for the Future.

Hamscher G, Bachour G.

J Agric Food Chem. 2018 Jan 31;66(4):751-752. doi: 10.1021/acs.jafc.7b05601. Epub 2018 Jan 19. No abstract available.

PMID:
29350929
9.

Immunochemical Analysis of Paxilline and Ergot Alkaloid Mycotoxins in Grass Seeds and Plants.

Bauer JI, Gross M, Cramer B, Humpf HU, Hamscher G, Usleber E.

J Agric Food Chem. 2018 Jan 10;66(1):315-322. doi: 10.1021/acs.jafc.7b05580. Epub 2017 Dec 26.

PMID:
29237259
10.

Detection of the tremorgenic mycotoxin paxilline and its desoxy analog in ergot of rye and barley: a new class of mycotoxins added to an old problem.

Bauer JI, Gross M, Cramer B, Wegner S, Hausmann H, Hamscher G, Usleber E.

Anal Bioanal Chem. 2017 Aug;409(21):5101-5112. doi: 10.1007/s00216-017-0455-y. Epub 2017 Jul 4.

PMID:
28674820
11.

Efficient Reduction of Antibacterial Activity and Cytotoxicity of Fluoroquinolones by Fungal-Mediated N-Oxidation.

Rusch M, Spielmeyer A, Meißner J, Kietzmann M, Zorn H, Hamscher G.

J Agric Food Chem. 2017 Apr 19;65(15):3118-3126. doi: 10.1021/acs.jafc.7b01246. Epub 2017 Apr 10.

PMID:
28365994
12.

Long-term monitoring of sulfonamide leaching from manure amended soil into groundwater.

Spielmeyer A, Höper H, Hamscher G.

Chemosphere. 2017 Jun;177:232-238. doi: 10.1016/j.chemosphere.2017.03.020. Epub 2017 Mar 6.

PMID:
28292723
13.

Transformation of Sulfonamides and Tetracyclines during Anaerobic Fermentation of Liquid Manure.

Spielmeyer A, Stahl F, Petri MS, Zerr W, Brunn H, Hamscher G.

J Environ Qual. 2017 Jan;46(1):160-168. doi: 10.2134/jeq2016.04.0152.

PMID:
28177407
14.

Antimicrobial-Resistant Escherichia coli Survived in Dust Samples for More than 20 Years.

Schulz J, Ruddat I, Hartung J, Hamscher G, Kemper N, Ewers C.

Front Microbiol. 2016 Jun 10;7:866. doi: 10.3389/fmicb.2016.00866. eCollection 2016.

15.

Biotransformation of the Antibiotic Danofloxacin by Xylaria longipes Leads to an Efficient Reduction of Its Antibacterial Activity.

Rusch M, Kauschat A, Spielmeyer A, Römpp A, Hausmann H, Zorn H, Hamscher G.

J Agric Food Chem. 2015 Aug 12;63(31):6897-904. doi: 10.1021/acs.jafc.5b02343. Epub 2015 Aug 4.

PMID:
26189577
16.

Elimination patterns of worldwide used sulfonamides and tetracyclines during anaerobic fermentation.

Spielmeyer A, Breier B, Groißmeier K, Hamscher G.

Bioresour Technol. 2015 Oct;193:307-14. doi: 10.1016/j.biortech.2015.06.081. Epub 2015 Jun 24.

PMID:
26142997
17.

Intestinal absorption and cell transforming potential of PhIP-M1, a bacterial metabolite of the heterocyclic aromatic amine 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP).

Nicken P, Willenberg I, Keutz Av, Elsner Lv, Hamscher G, Vanhaecke L, Schröder B, Breves G, Schebb NH, Steinberg P.

Toxicol Lett. 2015 Apr 16;234(2):92-8. doi: 10.1016/j.toxlet.2015.02.015. Epub 2015 Feb 20.

PMID:
25707896
18.

Selection of organic process and source indicator substances for the anthropogenically influenced water cycle.

Jekel M, Dott W, Bergmann A, Dünnbier U, Gnirß R, Haist-Gulde B, Hamscher G, Letzel M, Licha T, Lyko S, Miehe U, Sacher F, Scheurer M, Schmidt CK, Reemtsma T, Ruhl AS.

Chemosphere. 2015 Apr;125:155-67. doi: 10.1016/j.chemosphere.2014.12.025. Epub 2015 Jan 3.

PMID:
25563167
19.

Determination of fluoroquinolones in chicken feces - a new liquid-liquid extraction method combined with LC-MS/MS.

Janusch F, Scherz G, Mohring SA, Hamscher G.

Environ Toxicol Pharmacol. 2014 Nov;38(3):792-9. doi: 10.1016/j.etap.2014.09.011. Epub 2014 Sep 30.

PMID:
25305740
20.

Analysis and behavior of colistin during anaerobic fermentation.

Riemenschneider C, Zerr W, Vater N, Brunn H, Mohring SAI, Hamscher G.

Bioresour Technol. 2014 Oct;170:303-309. doi: 10.1016/j.biortech.2014.07.100. Epub 2014 Aug 1.

PMID:
25151074
21.

Toxicological profile of ultrapure 2,2',3,4,4',5,5'-heptachlorbiphenyl (PCB 180) in adult rats.

Viluksela M, Heikkinen P, van der Ven LT, Rendel F, Roos R, Esteban J, Korkalainen M, Lensu S, Miettinen HM, Savolainen K, Sankari S, Lilienthal H, Adamsson A, Toppari J, Herlin M, Finnilä M, Tuukkanen J, Leslie HA, Hamers T, Hamscher G, Al-Anati L, Stenius U, Dervola KS, Bogen IL, Fonnum F, Andersson PL, Schrenk D, Halldin K, Håkansson H.

PLoS One. 2014 Aug 19;9(8):e104639. doi: 10.1371/journal.pone.0104639. eCollection 2014.

22.

Gestational and lactational exposure to the polychlorinated biphenyl mixture Aroclor 1254 modulates retinoid homeostasis in rat offspring.

Esteban J, Elabbas LE, Borg D, Herlin M, Åkesson A, Barber X, Hamscher G, Nau H, Bowers WJ, Nakai JS, Viluksela M, Håkansson H.

Toxicol Lett. 2014 Aug 17;229(1):41-51. doi: 10.1016/j.toxlet.2014.04.021. Epub 2014 Jun 2.

PMID:
24887809
23.

In utero and lactational exposure to a mixture of environmental contaminants detected in Canadian Arctic human populations alters retinoid levels in rat offspring with low margins of exposure.

Elabbas LE, Esteban J, Barber X, Hamscher G, Nau H, Bowers WJ, Nakai JS, Herlin M, Åkesson A, Viluksela M, Borg D, Håkansson H.

J Toxicol Environ Health A. 2014;77(5):223-45. doi: 10.1080/15287394.2013.861776.

PMID:
24588224
24.

Comparison of different solid-phase extraction materials for the determination of fluoroquinolones in chicken plasma by LC-MS/MS.

Janusch F, Scherz G, Mohring SA, Stahl J, Hamscher G.

J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Mar 1;951-952:149-56. doi: 10.1016/j.jchromb.2014.01.024. Epub 2014 Jan 24.

PMID:
24566266
25.

Simultaneous determination of 14 sulfonamides and tetracyclines in biogas plants by liquid-liquid-extraction and liquid chromatography tandem mass spectrometry.

Spielmeyer A, Ahlborn J, Hamscher G.

Anal Bioanal Chem. 2014 Apr;406(11):2513-24. doi: 10.1007/s00216-014-7649-3. Epub 2014 Feb 18.

PMID:
24535685
26.

Biocompatibility and antibacterial activity of photolytic products of sulfonamides.

Zessel K, Mohring S, Hamscher G, Kietzmann M, Stahl J.

Chemosphere. 2014 Apr;100:167-74. doi: 10.1016/j.chemosphere.2013.11.038. Epub 2013 Dec 8.

PMID:
24321335
27.

Evaluation and subsequent minimization of matrix effects caused by phospholipids in LC-MS analysis of biological samples.

Janusch F, Kalthoff L, Hamscher G, Mohring SA.

Bioanalysis. 2013 Sep;5(17):2101-14. doi: 10.4155/bio.13.187.

PMID:
23962250
28.

Effects of single pesticides and binary pesticide mixtures on estrone production in H295R cells.

Prutner W, Nicken P, Haunhorst E, Hamscher G, Steinberg P.

Arch Toxicol. 2013 Dec;87(12):2201-14. doi: 10.1007/s00204-013-1081-x. Epub 2013 May 26.

PMID:
23708528
29.

Hepatic effects of a highly purified 2,2',3,4,4',5,5'-heptachlorbiphenyl (PCB 180) in male and female rats.

Roos R, Andersson PL, Halldin K, Håkansson H, Westerholm E, Hamers T, Hamscher G, Heikkinen P, Korkalainen M, Leslie HA, Niittynen M, Sankari S, Schmitz HJ, van der Ven LT, Viluksela M, Schrenk D.

Toxicology. 2011 Jun 18;284(1-3):42-53. doi: 10.1016/j.tox.2011.03.013. Epub 2011 Mar 31.

PMID:
21458519
31.

Uptake of the colon carcinogen 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine by different segments of the rat gastrointestinal tract: its implication in colorectal carcinogenesis.

Nicken P, Hamscher G, Breves G, Steinberg P.

Toxicol Lett. 2010 Jun 16;196(1):60-6. doi: 10.1016/j.toxlet.2010.04.002. Epub 2010 Apr 9.

PMID:
20382207
32.

Drug residues in serum of dogs receiving anticancer chemotherapy.

Knobloch A, Mohring SA, Eberle N, Nolte I, Hamscher G, Simon D.

J Vet Intern Med. 2010 Mar-Apr;24(2):379-83. doi: 10.1111/j.1939-1676.2009.0469.x.

33.

Cytotoxic drug residues in urine of dogs receiving anticancer chemotherapy.

Knobloch A, Mohring SA, Eberle N, Nolte I, Hamscher G, Simon D.

J Vet Intern Med. 2010 Mar-Apr;24(2):384-90. doi: 10.1111/j.1939-1676.2009.0453.x.

34.

Degradation and elimination of various sulfonamides during anaerobic fermentation: a promising step on the way to sustainable pharmacy?

Mohring SA, Strzysch I, Fernandes MR, Kiffmeyer TK, Tuerk J, Hamscher G.

Environ Sci Technol. 2009 Apr 1;43(7):2569-74.

PMID:
19452918
35.

Penetration studies of propoxur and phoxim from eggshell into whole egg after experimental exposure and application in henhouses.

Limsuwan S, Priess B, Tansakul N, Nau H, Kietzmann M, Hamscher G.

J Agric Food Chem. 2007 Jul 25;55(15):6401-5. Epub 2007 Jun 30.

PMID:
17602660
38.

Tetracyclines and tetracycline resistance in agricultural soils: microcosm and field studies.

Schmitt H, Stoob K, Hamscher G, Smit E, Seinen W.

Microb Ecol. 2006 Apr;51(3):267-76. Epub 2006 Apr 6.

PMID:
16598633
39.

Different behavior of tetracyclines and sulfonamides in sandy soils after repeated fertilization with liquid manure.

Hamscher G, Pawelzick HT, Höper H, Nau H.

Environ Toxicol Chem. 2005 Apr;24(4):861-8.

PMID:
15839560
41.

Identification of 14-hydroxy-retro-retinol and 4-hydroxy-retinol as endogenous retinoids in rats throughout neonatal development.

Rühl R, Hamscher G, Garcia AL, Nau H, Schweigert FJ.

Life Sci. 2005 Feb 18;76(14):1613-22. Epub 2004 Dec 18.

PMID:
15680170
42.

[Acrylamide, antiparasitic agents, dioxins and more: how dangerous are contaminants and residues in food?].

Hamscher G.

Dtsch Tierarztl Wochenschr. 2004 Jul;111(7):288-91. German.

PMID:
15366289
43.

Metabolism and potency of xenin and of its reduced hexapseudopeptide psi fragment in the dog.

Feurle GE, Meyer HE, Hamscher G.

Life Sci. 2003 Dec 26;74(6):697-707.

PMID:
14654163
44.

[Effects of animal housing facilities on residues and contaminants in food].

Hamscher G, Nau H.

Dtsch Tierarztl Wochenschr. 2003 Aug;110(8):316-9. German.

PMID:
14535059
45.

Antibiotics in dust originating from a pig-fattening farm: a new source of health hazard for farmers?

Hamscher G, Pawelzick HT, Sczesny S, Nau H, Hartung J.

Environ Health Perspect. 2003 Oct;111(13):1590-4.

46.

Xenin plasma concentrations during modified sham feeding and during meals of different composition demonstrated by radioimmunoassay and chromatography.

Feurle GE, Ikonomu S, Partoulas G, Stoschus B, Hamscher G.

Regul Pept. 2003 Mar 28;111(1-3):153-9.

PMID:
12609763
48.

Xenin-immunoreactive cells and extractable xenin in neuroendocrine tumors of duodenal origin.

Feurle GE, Anlauf M, Hamscher G, Arnold R, Klöppel G, Weihe E.

Gastroenterology. 2002 Nov;123(5):1616-26.

PMID:
12404236
49.

Interaction of xenin with the neurotensin receptor of guinea pig enteral smooth muscles.

Feurle GE, Metzger JW, Grudinki A, Hamscher G.

Peptides. 2002 Aug;23(8):1519-25.

PMID:
12182956
50.

Characterization of a new endogenous vitamin A metabolite.

Schmidt CK, Volland J, Hamscher G, Nau H.

Biochim Biophys Acta. 2002 Jul 11;1583(2):237-51.

PMID:
12117568

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