Results 31 to 40 of about 82,838 (255)

Pharmacokinetic and Metabolism Studies of Curculigoside C by UPLC-MS/MS and UPLC-QTOF-MS

open access: yesMolecules, 2018
Pharmacokinetic and metabolism studies were carried out on curculigoside C (CC), a natural product with good antioxidant and neuroprotective effects, with the purpose of investigating the effects of the hydroxyl group at C-3′ in curculigoside.
Di Wu   +8 more
doaj   +1 more source

UPLC-MS/MS Detection v1 [PDF]

open access: yes, 2018
To comprehensively investigate the effects of different diets on fish muscle quality and metabolic alterations, a large-scale metabolomics study was performed.
Honghao Zhao   +5 more
openaire   +1 more source

Chemotaxonomic Fingerprinting of Chilean Lichens Through Maldi and Electrospray Ionization Mass Spectrometry

open access: yesBrazilian Archives of Biology and Technology, 2015
The aim of this work was to study a fast, new, sensitive, and simple method for the chemotaxonomic classification of Chilean lichens (Teloschistes chrysophthalmus, Ramalina farinacea, Usnea pusilla, Ramalina chilensis and Stereocaulon ramulosum) using ...
Leonardo Silva Santos   +6 more
doaj   +1 more source

Accurate Identification of Degraded Products of Aflatoxin B1 Under UV Irradiation Based on UPLC-Q-TOF-MS/MS and NMR Analysis

open access: yesFrontiers in Chemistry, 2021
Analysis, purification, and characterization of AFB1 degraded products are vital steps for elucidation of the photocatalytic mechanism. In this report, the UPLC-Q-TOF-MS/MS technique was first coupled with purification and NMR spectral approaches to ...
Yan-Duo Wang   +7 more
doaj   +1 more source

Simultaneous Determination of Lamotrigine, Oxcarbazepine, Lacosamide, and Topiramate in Rat Plasma by Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry

open access: yesInternational Journal of Analytical Chemistry, 2022
This study established an ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method to study the pharmacokinetics of four antiepileptic drugs, lamotrigine, oxcarbazepine, lacosamide, and topiramate, in rats after oral ...
Erjie Qiu   +3 more
doaj   +1 more source

Simultaneous Determination of Fourteen Marker Compounds in the Traditional Herbal Prescription, Geumgwesingihwan, Using Ultra-Performance Liquid Chromatography–Tandem Mass Spectrometry

open access: yesMolecules, 2022
Geumgwesingihwan (GSH) is a traditional herbal prescription composed of eight medicinal herbs: Rehmannia glutinosa (Gaertn.) DC., Dioscorea japonica Thunb., Cornus officinalis Siebold and Zucc., Poria cocos Wolf, Paeonia suffruticosa Andrews, Alisma ...
Chang-Seob Seo, Mee-Young Lee
doaj   +1 more source

APPROACHES TO CHORIONIC GONADOTROPIN QUANTITATIVE DETERMINATION IN ANTI-DOPING CONTROL

open access: yesТонкие химические технологии, 2017
The article presents the results of the first stage of development of a new quantitative method for human chorionic gonadotropin (hCG) determination by means of ultra-high performance liquid chromatography coupled to tandem mass spectrometry (UPLC-MS/MS)
I. O. Zvereva   +4 more
doaj   +1 more source

A Rapid and Sensitive UPLC-MS/MS Method for Quantifying Capmatinib in Human Liver Microsomes: Evaluation of Metabolic Stability by In Silico and In Vitro Analysis

open access: yesSeparations, 2023
Capmatinib (CMB) is an orally bioavailable mesenchymal–epithelial transition (MET) inhibitor approved by the US-FDA to treat metastatic non-small cell lung cancer (NSCLC) patients, with MET exon 14 skipping mutation.
Mohamed W. Attwa   +3 more
doaj   +1 more source

Condensed tannins in mangosteen pericarps determined from ultraperformance liquid chromatography-mass spectrometry [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2020
The objective of the present work was to determine the types and concentrations of condensed tannins in mangosteen pericarps. Methanol, ethanol, and acetone were employed to extract tannins from the mangosteen pericarps.
Narita Khundamri   +4 more
doaj   +1 more source

Quality control of Semen Ziziphi Spinosae standard decoction based on determination of multi-components using TOF-MS/MS and UPLC-PDA technology

open access: yesJournal of Pharmaceutical Analysis, 2019
A sensitive, fast and comprehensive method for the quality assessment of Semen Ziziphi Spinosae (SZS) standard decoction with characterization of its chemical components was developed and validated. UPLC-Q/TOF-MS/MS system was used to identify thirty-six
Di Wang   +7 more
doaj   +1 more source

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