as internal standard in the screening of aziridine and 2-chloroethylamine in active pharmaceutical ingredients by gas chromatography-mass spectrometry[3].
Journal of pharmaceutical and biomedical analysis, 55(3), 458-465 (2011-03-23)
A simple, fast and fully automated method for the screening of aziridine (AZD) and 2-chloroethylamine (CEA) in active pharmaceutical ingredients (API) has been developed. The method is based on the in-fiber derivatization of the amines extracted from the sample headspace
Reaction of vanadium phosphates with alcohols at elevated temperature and pressure.
Dong W-S, et al.
Journal of Materials Chemistry, 15(31), 3214-3220 (2005)
To identify an orally active corticotropin-releasing factor 1 receptor antagonist, a series of 6,7-dihydro-5H-cyclopenta[d]pyrazolo[1,5-a]pyrimidines and their derivatives were designed, synthesized and evaluated. An in vitro study followed by in vivo and pharmacokinetic studies of these heterotricyclic compounds led us to
While LC-MS-based proteomics with high nanograms to micrograms of total protein has become routine, the analysis of samples derived from low cell numbers is challenged by factors such as sample losses, or difficulties encountered with the manual manipulation of small
Analytical and bioanalytical chemistry, 410(19), 4737-4748 (2018-02-23)
The identification and quantification of molecules involved in bacterial communication are major prerequisites for the understanding of interspecies interactions at the molecular level. We developed a procedure allowing the determination of 2-heptyl-4(1H)-quinolone (HHQ) and 2-heptyl-3-hydroxy-4(1H)-quinolone (PQS) and the virulence factor
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