Results 21 to 30 of about 403,538 (154)

Arsenosugar phospholipids and arsenic hydrocarbons in two species of brown macroalgae [PDF]

open access: yes, 2012
Fourteen arsenolipids, including 11 new compounds, were identified and quantified in two species of brown algae, Wakame (Undaria pinnatifida) and Hijiki (Hizikia fusiformis), by high resolution mass spectrometry, high performance liquid chromatography ...
Francesconi, Kevin A.   +4 more
core   +2 more sources

Fast liquid chromatography/electrochemistry/mass spectrometry of ferrocenecarboxylic acid esters [PDF]

open access: yes, 2002
Rapid liquid chromatographic separations of ferrocenecarboxylic esters of various alcohols and phenols have been achieved on reversed-phase columns of 20 mm length.
Diehl, Georg, Karst, Uwe
core   +3 more sources

Putative multiple reaction monitoring strategy for the comparative pharmacokinetics of postoral administration Renshen–Yuanzhi compatibility through liquid chromatography–tandem mass spectrometry

open access: yesJournal of Ginseng Research, 2020
Background: Exploring the pharmacokinetic (PK) changes of various active components of single herbs and their combinations is necessary to elucidate the compatibility mechanism.
Yufei Sun   +7 more
doaj   +1 more source

LIQUID CHROMATOGRAPHY–MASS SPECTROMETRY ANALYSIS OF FRUITS OF AN ECONOMICALLY IMPORTANT PLANT SCHISANDRA CHINENSIS BAIL. FROM CHINA AND EAST RUSSIA

open access: yesAsian Journal of Pharmaceutical and Clinical Research, 2018
Objective: The study was carried out with an objective to characterize the possible bioactive phytochemical constituents from fruits of Schisandra chinensis Bail. by liquid chromatography–mass spectrometry analysis.Methods: Plant material was collected from Schisandra chinensis during August–October.
Kuznetcov Rm   +3 more
openaire   +2 more sources

An R package to analyse LC/MS metabolomic data: MAIT (Metabolite Automatic Identification Toolkit) [PDF]

open access: yes, 2017
Current tools for liquid chromatography and mass spectrometry for metabolomic data cover a limited number of processing steps, whereas online tools are hard to use in a programmable fashion. This article introduces the Metabolite Automatic Identification
Andrés Lacueva, Ma. Cristina   +3 more
core   +1 more source

Metabolomics-Based Identification of Bleached Shellac in Liquid Fruit Wax [PDF]

open access: yesShipin Kexue, 2023
The purpose of this study was to identify whether liquid fruit waxes could be added with bleached shellac. The compounds of bleached shellac from different sources were analyzed by targeted metabolomics based on liquid chromatography-quadrupole time-of ...
LI Kun, ZHANG Wenwen, TANG Baoshan, XING Shujie, MA Jinju, ZHU Jing, LEI Fuhou, ZHANG Hong
doaj   +1 more source

Separation of Oligosaccharides from Lotus Seeds via Medium-pressure Liquid Chromatography Coupled with ELSD and DAD [PDF]

open access: yes, 2017
peer-reviewedLotus seeds were identified by the Ministry of Public Health of China as both food and medicine. One general function of lotus seeds is to improve intestinal health.
AD Orozco-Cortes   +39 more
core   +1 more source

Gas-liquid chromatography-mass spectrometry of synthetic ceramides

open access: yesJournal of Lipid Research, 1969
Two series of ceramides with either sphingosine (sphing-4-enine) or sphinganine as base and with one of the saturated fatty acids C16, C18, C20, C22, C24, C26, or oleic acid were analyzed as the 1,3-di-O-trimethylsilyl ether derivatives by gas ...
Bengt Samuelsson, Karin Samuelsson
doaj   +1 more source

State-of-the-Art Analytical Approaches for Illicit Drug Profiling in Forensic Investigations

open access: yesMolecules, 2022
In forensic chemistry, when investigating seized illicit drugs, the profiling or chemical fingerprinting of drugs is considered fundamental. This involves the identification, quantitation and categorization of drug samples into groups, providing ...
Reem Ahmed   +2 more
doaj   +1 more source

Quantification of voriconazole in plasma by liquid chromatography-tandem mass spectrometry [PDF]

open access: yes, 2005
A convenient liquid chromatography-tandem mass spectrometry method for the quantification of the triazole antifungal agent voriconazole in plasma samples is described. Fenbuconazole is used as an internal standard.
Boyd   +16 more
core   +1 more source

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