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Caffeine in your drink: natural or synthetic?
Anal Chem. 2012 Mar 20;84(6):2805-10. doi: 10.1021/ac203197d. Epub 2012 Mar 6.
Anal Chem. 2012.
PMID: 22339647
A novel high-temperature combustion based system for stable isotope analysis of dissolved organic carbon in aqueous samples. I: development and validation.
Federherr E, Cerli C, Kirkels FM, Kalbitz K, Kupka HJ, Dunsbach R, Lange L, Schmidt TC.
Federherr E, et al.
Rapid Commun Mass Spectrom. 2014 Dec 15;28(23):2559-73. doi: 10.1002/rcm.7052.
Rapid Commun Mass Spectrom. 2014.
PMID: 25366403
Item in Clipboard
A novel high-temperature combustion interface for compound-specific stable isotope analysis of carbon and nitrogen via high-performance liquid chromatography/isotope ratio mass spectrometry.
Federherr E, Willach S, Roos N, Lange L, Molt K, Schmidt TC.
Federherr E, et al.
Rapid Commun Mass Spectrom. 2016 Apr 15;30(7):944-52. doi: 10.1002/rcm.7524.
Rapid Commun Mass Spectrom. 2016.
PMID: 26969937
Item in Clipboard
A novel tool for stable nitrogen isotope analysis in aqueous samples.
Federherr E, Kupka HJ, Cerli C, Kalbitz K, Dunsbach R, Loos A, de Reus M, Lange L, Panetta RJ, Schmidt TC.
Federherr E, et al.
Rapid Commun Mass Spectrom. 2016 Dec 15;30(23):2537-2544. doi: 10.1002/rcm.7740.
Rapid Commun Mass Spectrom. 2016.
PMID: 27619634
Item in Clipboard
Effect of changes in the deuterium content of drinking water on the hydrogen isotope ratio of urinary steroids in the context of sports drug testing.
Piper T, Degenhardt K, Federherr E, Thomas A, Thevis M, Saugy M.
Piper T, et al. Among authors: federherr e.
Anal Bioanal Chem. 2013 Mar;405(9):2911-21. doi: 10.1007/s00216-012-6504-7. Epub 2012 Nov 6.
Anal Bioanal Chem. 2013.
PMID: 23128907
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A novel high-temperature combustion based system for stable isotope analysis of dissolved organic carbon in aqueous samples. II: optimization and assessment of analytical performance.
Kirkels FM, Cerli C, Federherr E, Gao J, Kalbitz K.
Kirkels FM, et al. Among authors: federherr e.
Rapid Commun Mass Spectrom. 2014 Dec 15;28(23):2574-86. doi: 10.1002/rcm.7053.
Rapid Commun Mass Spectrom. 2014.
PMID: 25366404
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