Results 41 to 50 of about 184,428 (161)
Preparation of flaxseed for lignan determination by gas chromatography-mass spectrometry method
Czech Journal of Food Sciences, 2012 Since 1980s, several methods for the determination of lignans in food samples have been developed depending on the types of lignans and foods analysed, but mostly on flaxseed as a reference food.
Hrvoje Sarajlija +5 more
doaj +1 more source
ANALYTICAL FEATURES OF SYNTHETIC MDMB(N)-073F CANNABIMIMETICS AND ITS MARKERS IN BIOLOGICAL MATERIAL
Фармация и фармакология (Пятигорск), 2019 The aim of the research is to study both analytical features of synthetic MDMB(N)-073F cannabimimetics of indazole carboxamides group by gas chromatography methods combined with tandem mass spectrometry (GC-MS) and high performance liquid chromatography ...
S. S. Kataev +4 more
doaj +1 more source
Journal of Forensic Science and Medicine, 2020 Drug-facilitated sexual assault (DFSA) is a sexual act in which the victim is unable to give or rescind consent due to alcohol or drug intoxication, which involved the abuse of benzodiazepines around the world.
Shiyong Fang +8 more
doaj +1 more source
DIESEL CHARACTERIZATION BY HIGH RESOLUTION MASS SPECTROMETRY-GAS CHROMATOGRAPHY
CT&F Ciencia, Tecnología & Futuro, 1998 High-resolution mass spectrometry-gas chromatography is combined with the HC22 method in order to obtain a detailed information about the chemical composition of diesel and the distribution of different compound types in terms of its final boiling ...
C.A BALDRICHF
doaj
Duvatrienediols in cuticular wax of Burley tobacco leaves
Journal of Lipid Research, 1976 4, 8, 13-Duvatriene-1, 3-diol diastereoisomers have been identified in the cuticular wax of fresh Burley tobacco leaves. Their structures were determined by gas-liquid chromatography, mass spectrometry, and infrared and ultraviolet spectroscopy ...
S Y Chang, C Grunwald
doaj
Journal of Lipid Research, 1981 The ammonia chemical ionization mass spectra of 28 methyl ester acetate derivatives of bile acids and related compounds have been determined by gas-liquid chromatography-mass spectrometry.
B R DeMark, P D Klein
doaj
Epidemiology, Biostatistics and Public Health, 2016 BACKGROUND The use of ketamine, for non-medical purpose, results widespread also in Italy. This drug is not searched by institutional centers, charged of the responsibility to realize the execution of toxicological analysis based on the article 187 of ...
Alice Visione +1 more
doaj +1 more source
HorticulturaeGreen leafy vegetables are rich in lipophilic metabolites such as carotenoids, phytosterols, tocopherols, and fatty acids, known for their significant health benefits. Goat’s beard (Aruncus dioicus var.
Ramesh Kumar Saini +5 more
doaj +1 more source
Gas-liquid chromatography-mass spectrometry of synthetic ceramides containing phytosphingosine
Journal of Lipid Research, 1970 Ceramides containing phytosphingosine as base and one of the fatty acids 16:0, 18:0, 20:0, 22:0, 23:0, and 24:0, were prepared by direct coupling in the presence of a mixed carbodiimide. The ceramides were analyzed as the 1,3,4-tri-O-trimethylsilyl ether
Sven Hammarström
doaj
Data on the optimization of a GC–MS procedure for the determination of total plasma myo-inositol
Data in Brief, 2016 Myo-inositol (MI) is one of the stereoisomers of hexahydroxycyclohexane, which plays an important role in intracellular signal pathway. Derivatization is an indispensable step in both external and internal standard method during the chromatography-mass ...
Jin Guo +7 more
doaj