Normal Phase Chromatographic Separation of Pigmented Wine Tannin by nano-HPLC Quadrupole Time of Flight Tandem Mass Spectrometry and Identification of Candidate Molecular Features.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the science of food and agriculture"
DOI: 10.1002/jsfa.11115
Abstract: BACKGROUND As a wine ages, altered sensory properties lead to changes in perceived quality and value. Concurrent modification of anthocyanin and tannin occur forming pigmented tannin, softening astringency and retaining persistent color. Wine tannin extracts… read more here.
Keywords: normal phase; tannin; wine tannin; molecular features ... See more keywords
Solid acids assisted matrix solid-phase dispersion microextraction of alkaloids by capillary electrophoresis coupled with quadrupole time-of-flight mass spectrometry.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of separation science"
DOI: 10.1002/jssc.201900647
Abstract: The quantification of three alkaloids is important because quantitative study is a means of assessing the reliability of the experimental method, and three alkaloids of peimine, peiminine, and peimisine are main active ingredients in Chinese… read more here.
Keywords: capillary electrophoresis; matrix solid; solid phase; quadrupole time ... See more keywords
HPLC coupled with quadrupole time of flight tandem mass spectrometry for analysis of glycosylated components from the fresh flowers of two congeneric species: Robinia hispida L. and Robinia pseudoacacia L.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of separation science"
DOI: 10.1002/jssc.202001068
Abstract: Developing methods for the systematic and rapid identification of the chemical compositions of fresh plant tissues has long attracted the attention of phytochemists and pharmacologists. In the present study, based on highly efficient sample pretreatment… read more here.
Keywords: flight tandem; coupled quadrupole; analysis; time flight ... See more keywords
Assessment of the Intestinal Permeability of Major Phytocomponents Contained in Gandi Capsules Using Ultra-High Performance Liquid Chromatography Coupled with Electrospray Ionization–Quadrupole-Time of Flight Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2018 at "Chromatographia"
DOI: 10.1007/s10337-018-3514-4
Abstract: Gandi capsule (GDC) has been used clinically for years for treatment of vascular lesions caused by diabetes. However, its comprehensive ingredients, especially those that can be absorbed, remain unclear. In this study, we developed a… read more here.
Keywords: ultra high; permeability; quadrupole time; liquid chromatography ... See more keywords
Rapid Quadrupole-Time-of-Flight Mass Spectrometry Method Quantifies Oxygen-Rich Lignin Compound in Complex Mixtures
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The American Society for Mass Spectrometry"
DOI: 10.1007/s13361-017-1847-0
Abstract: AbstractComplex mixture analysis is a costly and time-consuming task facing researchers with foci as varied as food science and fuel analysis. When faced with the task of quantifying oxygen-rich bio-oil molecules in a complex diesel… read more here.
Keywords: mass spectrometry; time flight; mass; time ... See more keywords
Uptake study in Juncus sp. and Salicornia europaea of six pharmaceuticals by liquid chromatography quadrupole time-of-flight mass spectrometry.
Sign Up to like & getrecommendations! Published in 2020 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2020.128995
Abstract: In this work, eight plants of Juncus sp. and ten of Salicornia europaea were used for an uptake assay of pharmaceuticals (flumequine, cirpofloxacin, enrofloxacin, carbamazepine, diclofenac and ibuprofen) by irrigation at three concentration levels: 10 ng mL-1… read more here.
Keywords: flight mass; salicornia europaea; time flight; chromatography quadrupole ... See more keywords
Analysis of volatile terpenoid compounds in Rhododendron species by multidimensional gas chromatography with quadrupole time-of-flight mass spectrometry
Sign Up to like & getrecommendations! Published in 2019 at "Microchemical Journal"
DOI: 10.1016/j.microc.2019.104064
Abstract: Abstract In this work, an efficient analytical method based on headspace solid phase microextraction (HS-SPME) and multidimensional gas chromatography coupled with simultaneous quadrupole time-of-flight mass spectrometry and flame ionization detection (MDGC-QTOFMS/FID) was established to analyze… read more here.
Keywords: time flight; mass; multidimensional gas; gas chromatography ... See more keywords
Comparison of sample preparation strategies for target analysis of total thyroid hormones levels in serum by liquid chromatography-quadrupole time-of-flight-mass spectrometry.
Sign Up to like & getrecommendations! Published in 2017 at "Talanta"
DOI: 10.1016/j.talanta.2016.12.001
Abstract: This paper describes a novel method based on liquid chromatography quadrupole time-of-flight-mass spectrometry (LC-QTOF-MS) for target analysis of total THs in serum. Several sample preparation strategies have been evaluated to reduce matrix effect (namely, HybridSPE… read more here.
Keywords: analysis; sample preparation; chromatography quadrupole; quadrupole time ... See more keywords
Bioanalysis and Quadrupole-Time of Flight-Mass Spectrometry Driven In Vitro Metabolite Profiling of a New Boronic Acid-Based Anticancer Molecule.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of chromatographic science"
DOI: 10.1093/chromsci/bmaa044
Abstract: (E/Z)-(4-(3-(2-((4-chlorophenyl)amino)-4-(dimethylamino)thiazol-5-yl)-2-(ethoxy carbonyl)-3-oxoprop-1-en-1-yl)phenyl) boronic acid, a newly developed molecule having anticancer activity serves as a potential candidate for the further drug development process. In this study, to ascertain the anticancer potential of the molecule, we screened… read more here.
Keywords: flight mass; molecule; time flight; quadrupole time ... See more keywords
Alkaloids Profiling of Fumaria capreolata by Analytical Platforms Based on the Hyphenation of Gas Chromatography and Liquid Chromatography with Quadrupole-Time-of-Flight Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Analytical Chemistry"
DOI: 10.1155/2017/5178729
Abstract: Two analytical platforms, gas chromatography (GC) coupled to quadrupole-time-of-flight (QTOF) mass spectrometry (MS) and reversed-phase ultrahigh performance liquid chromatography (UHPLC) coupled to diode array (DAD) and QTOF detection, were applied in order to study the… read more here.
Keywords: chromatography; gas chromatography; analytical platforms; mass ... See more keywords
Determination of 8 Endogenous Alkaloid Components inBoletusUsing Ultrahigh-Performance Liquid Chromatography Combined with Quadrupole-Time of Flight Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Food Quality"
DOI: 10.1155/2020/8865725
Abstract: A ultrahigh performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UPLC-Q-TOF/MS) method was developed for simultaneous determination of 8 endogenous alkaloid compounds in Boletus. Boletus samples were extracted by 50% (V/V) methanol-water solution,… read more here.
Keywords: flight mass; time flight; ultrahigh performance; quadrupole time ... See more keywords