Results 41 to 50 of about 1,188,882 (284)
Accurate measurement of sex steroid concentrations in rodent serum is essential to evaluate mouse and rat models for sex steroid-related disorders.
Maria E. Nilsson+13 more
semanticscholar +1 more source
Background Measurement of multiple steroids, 17 hydroxyprogesterone, 11 deoxycortisol, and 21 deoxycortisol, is required to discriminate between congenital adrenal hyperplasia due to 21 hydroxylase deficiency and that due to 11 beta hydroxylase ...
Heba Asfour+6 more
doaj +1 more source
Measurement of teicoplanin by liquid chromatography-tandem mass spectrometry:development of a novel method [PDF]
Teicoplanin is an antibiotic used for the treatment of endocarditis, osteomyelitis, septic arthritis and methicillin-resistant Staphylococcus aureus. Teicoplanin is emerging as a suitable alternative antibiotic to vancomycin, where their trough serum ...
Bailey, Lisa M+5 more
core +1 more source
Bile acids are important end products of cholesterol metabolism. While they have been identified as key factors in lipid emulsification and absorption due to their detergent properties, bile acids have also been shown to act as signaling molecules and ...
M. Sarafian+8 more
semanticscholar +1 more source
MIST-CF: Chemical formula inference from tandem mass spectra [PDF]
Chemical formula annotation for tandem mass spectrometry (MS/MS) data is the first step toward structurally elucidating unknown metabolites. While great strides have been made toward solving this problem, the current state-of-the-art method depends on time-intensive, proprietary, and expert-parameterized fragmentation tree construction and scoring.
arxiv +1 more source
Electron ionization - tandem mass spectrometry of glycosphingolipids. I.: The identification of compound-specific sequence ions in the collision-induced dissociation spectra of the immonium ions of two isomeric hexaglycosylceramides [PDF]
A permethylated-reduced hexaglycosylceramide in a complex glycolipid mixture isolated from a unique human tissue has been identified by using tandem mass spectrometry (MS/MS).
Breimer, M.E.+4 more
core +1 more source
Liquid chromatography tandem mass spectrometry analysis of synthetic coccidiostats in eggs [PDF]
Coccidiostats are synthetic drugs administered to animals, especially to poultry, to cure coccidiosis. In this paper, we present a selective liquid chromatography-tandem mass spectrometry (LC-MS/MS) method to analyze residues of five synthetic ...
Buiarelli, Francesca+6 more
core +1 more source
LipidBlast - in-silico tandem mass spectrometry database for lipid identification
Current tandem mass spectral libraries for lipid annotations in metabolomics are limited in size and diversity. We provide a freely available computer-generated tandem mass spectral library of 212,516 spectra covering 119,200 compounds from 26 lipid ...
T. Kind+5 more
semanticscholar +1 more source
Chromatography combined with several different detection systems is one of the more used and better performing analytical tools. Chromatography with tandem mass spectrometric detection gives highly selective and sensitive analyses and permits obtaining ...
Mariza C. Chiaradia+2 more
doaj +1 more source
Chemical ionization tandem mass spectrometer for the in situ measurement of methyl hydrogen peroxide [PDF]
A new approach for measuring gas-phase methyl hydrogen peroxide [(MHP) CH_3OOH] utilizing chemical ionization mass spectrometry is presented. Tandem mass spectrometry is used to avoid mass interferences that hindered previous attempts to measure ...
Crounse, John D.+4 more
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