Results 81 to 90 of about 255,317 (292)

Characterization of Ten Novel Metabolites of a PAF Antagonist SY0916 in Rats Using LC-MS and NMR

open access: yesMetabolites
Background: SY0916 is a novel PAF receptor antagonist used to treat chronic immune-inflammatory diseases and is currently undergoing phase II clinical trials.
Xin He   +3 more
doaj   +1 more source

Implementation of a community-based LC-UV drug checking service: promising preliminary findings on feasibility and validity

open access: yesHarm Reduction Journal
Background The increasing diversity of psychoactive substances on the unregulated drug market poses significant health, psychological, and social risks to people who use drugs (PWUD). To address these risks, various harm reduction (HR) policies have been
Nicolas Fabresse   +5 more
doaj   +1 more source

Profiling of Organosulfur Compounds in Onions: A Comparative Study between LC-HRMS and DTD-GC-MS

open access: yesChemosensors
Onions are known not only for their culinary importance but also for their nutritional and health-promoting properties. Both properties are closely linked to their content of organosulfur compounds, which account for up to 5% of the dry weight of an ...
Ana V. González-de-Peredo   +3 more
doaj   +1 more source

Isolation and Characterization of [D-Leu1]microcystin-LY from Microcystis aeruginosa CPCC-464

open access: yesToxins, 2020
[D-Leu1]MC-LY (1) ([M + H]+ m/z 1044.5673, Δ 2.0 ppm), a new microcystin, was isolated from Microcystis aeruginosa strain CPCC-464. The compound was characterized by 1H and 13C NMR spectroscopy, liquid chromatography−high resolution tandem ...
Patricia LeBlanc   +9 more
doaj   +1 more source

The effects of urine adulteration with oxidants before drug analysis with LC-HRMS and CEDIA

open access: yes, 2022
In drug analysis, different kinds of immunoassays are often used as an initial screening for urine samples. The positive screening results are then followed by a confirmatory test, which consists of mass spectrometry methods to detect the drugs.
Nilsson, Anna
core  

LC(ESI-)HRMS of C. creticus methanol extract.

open access: yes, 2018
LC(ESI-)HRMS of C. creticus methanol extract.
Nektarios Aligiannis (330787)   +10 more
core   +1 more source

Characterization, Composition, and Bioactive Potential of Assa-Peixe (Vernonia sp.) Honey

open access: yesJournal of Food Quality
In this study, pollen content, physicochemical parameters, quantification of phenolics and flavonoids, antioxidant capacity, UV spectrum scan, and substance identification by LC-HRMS were evaluated in Assa-peixe honey.
Pedro Henrique Fonseca Veloso   +8 more
doaj   +1 more source

Finnee 2024 – a Matlab toolbox for untargeted analysis of LC-HRMS datasets with MS1 scans acquired as continuous scans.

open access: yes
Metabolite identification and quantification in biological samples are crucial for understanding biochemical processes, disease mechanisms, and biomarker discovery.
Guillaume, Erny
core   +1 more source

LC(ESI-)HRMS of S. sclarea methanol extract.

open access: yes, 2018
LC(ESI-)HRMS of S. sclarea methanol extract.
Nektarios Aligiannis (330787)   +10 more
core   +1 more source

LC(ESI-)HRMS of O. vulgare methanol extract.

open access: yes, 2018
LC(ESI-)HRMS of O. vulgare methanol extract.
Nektarios Aligiannis (330787)   +10 more
core   +1 more source

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