نتایج جستجو برای: oxidative deamination

تعداد نتایج: 129895  

Journal: :Iranian biomedical journal 2007
Hamid Shahbaz Mohammadi Eskander Omidinia Abbas Lotfi Sahebghadam Reza Saghiri

BACKGROUND Amino acid dehydrogenases (L-amino acid: oxidoreductase deaminating; EC 1.4.1.X) are members of the wider superfamily of oxidoreductases that catalyze the reversible oxidative deamination of an amino acid to its keto acid and ammonia with the concomitant reduction of either NAD+, NADP+ or FAD. These enzymes have been received much attention as biocatalysts for use in biosensors or...

Journal: :Journal of mass spectrometry : JMS 2006
Andreas H Ewald Giselher Fritschi Wolf-Rainer Bork Hans H Maurer

Studies are described on the metabolism and the toxicological analysis of the amphetamine-derived designer drug 2,5-dimethoxy-4-bromo-amphetamine (DOB) and its corresponding N-methyl analogue 2,5-dimethoxy-4-bromo-methamphetamine (MDOB) in rat urine using gas chromatographic/mass spectrometric techniques. The identified metabolites indicated that DOB was metabolized by O-demethylation followed ...

Journal: :Organic & biomolecular chemistry 2015
Naohiko Ikuma Koichi Fujioka Yusuke Misawa Ken Kokubo Takumi Oshima

Oxidation of azafulleroids with peracids regenerated C60 depending on the N-substituents. Alkyl-substituted azafulleroids preferred the oxidation of nitrogen to afford N-oxides as possible intermediates for C60 in moderate yields. Phenyl- and tosyl-substituted azafulleroids rather allowed the oxidation at the carbon cage. Theoretical calculations predicted the order of reactivity of azafulleroi...

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