Bernd Huppertz

Novel regio- and stereoselective O-6-desulfation of the glucosamine moiety of heparin with N-methylpyrrolidinone–water or N,N-dimethylformamide–water mixtures11Abbreviations: I, α-l-idopyranosyluronic acid residue; A, 2-deoxy-2-sulfamido-α-d-glucopyranosyl residue. [A-6(OS)] refers to the 6-O-sulfo group of the 2-amino-2-deoxy-α-d-glucopyranosyl moiety, and [I-2(OS)] refers to the 2-O-sulfo group of the α-l-idopyranosyl-uronic acid moiety.

Hanno Baumann, Harald Scheen, Bernd Huppertz et al. · Carbohydrate Research · 1998 · 46 citations

Life Sciences, Biochemistry, Chemistry +8

Clinical use of polyethylene glycols as marker substances and determination in urine by liquid chromatography

Gisela Gauchel, Bernd Huppertz, Heribert Feiertag et al. · Journal of Chromatography B · 2003 · 29 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +7

Urine labeling with orally applied marker substances in drug substitution therapy

Bernd Huppertz, Gisela Gauchel, Heribert Feiertag et al. · Clinical Chemistry and Laboratory Medicine (CCLM) · 2004 · 20 citations

Pharmacy, Pharmacology, Pharmacotherapy +7

False-negative results in the immunoassay analysis of drugs of abuse: can adulterants be detected by sample check test?

Barbara Matriciani, Bernd Huppertz, R. Keller et al. · Annals of Clinical Biochemistry International Journal of Laboratory Medicine · 2017 · 17 citations

Pharmacy, Toxicology, Analytical Toxicology +13

The Urine Marker Test: An Alternative Approach to Supervised Urine Collection for Doping Control

Anne‐Marie Elbe, Stine Nylansted Jensen, Peter Elsborg et al. · Sports Medicine · 2015 · 10 citations

Pharmacy, Pharmaceutical Analysis, Good Laboratory Practice +11