Automatic Full Glycan Structural Determination through Logically Derived Sequence Tandem Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2019 at "ChemBioChem"
DOI: 10.1002/cbic.201900228
Abstract: Glycans have diverse functions and play vital roles in many biological systems, such as influenza, vaccines, and cancer biomarkers. However, full structural identification of glycans remains challenging. The glycan structure was conventionally determined by chemical… read more here.
Keywords: tandem mass; mass; mass spectrometry; structural determination ... See more keywords
Hair testing of propofol by liquid chromatography-tandem mass spectrometry and azo-coupling derivatization.
Sign Up to like & getrecommendations! Published in 2017 at "Drug testing and analysis"
DOI: 10.1002/dta.2190
Abstract: Propofol is a short-acting intravenous hypnotic-amnesiac agent used in the general anesthesia. In recent years propofol has gained importance for recreational use (being able to give euphoria, relaxation, sexual hallucinations and disinhibition) and for suicidal… read more here.
Keywords: chromatography tandem; propofol; liquid; hair ... See more keywords
Direct quantitation of endogenous steroid sulfates in human urine by liquid chromatography-electrospray tandem mass spectrometry.
Sign Up to like & getrecommendations! Published in 2018 at "Drug testing and analysis"
DOI: 10.1002/dta.2413
Abstract: A method based on liquid chromatography-tandem mass spectrometry (LC-MS/MS) for the direct quantitation of endogenous steroid sulfates has been developed to be able to evaluate these metabolites as biomarkers to detect the misuse of endogenous… read more here.
Keywords: mass spectrometry; steroid sulfates; quantitation; mass ... See more keywords
Profiling cocaine residues and pyrolytic products in wastewater by mixed-mode liquid chromatography-tandem mass spectrometry.
Sign Up to like & getrecommendations! Published in 2019 at "Drug testing and analysis"
DOI: 10.1002/dta.2590
Abstract: This work provides a new analytical method for the determination of cocaine, its metabolites benzoylecgonine and cocaethylene, the pyrolytic products anhydroecgonine and anhydroecgonine methyl ester, and the pharmaceutical levamisole in wastewater. Samples were solid-phase extracted… read more here.
Keywords: chromatography tandem; pyrolytic products; mass; liquid chromatography ... See more keywords
A rapid and simple liquid chromatography‐tandem mass spectrometry method for the measurement of testosterone, androstenedione, and dehydroepiandrosterone in human serum
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Clinical Laboratory Analysis"
DOI: 10.1002/jcla.22102
Abstract: The assay of androgens plays an important role for the differential diagnosis of androgen‐related endocrine diseases. We developed a rapid and simple liquid chromatography tandem mass spectrometry (LC‐MS/MS) method with small sample volume and simple… read more here.
Keywords: chromatography tandem; mass spectrometry; simple liquid; liquid chromatography ... See more keywords
A dilute‐and‐shoot liquid chromatography–tandem mass spectrometry method for urinary 18‐hydroxycortisol quantification and its application in establishing reference intervals
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Clinical Laboratory Analysis"
DOI: 10.1002/jcla.24580
Abstract: Eighteen‐hydroxycortisol (18‐OHF) is a potential biomarker for differential diagnosis of the two major primary aldosteronism subtypes, aldosterone‐producing adenoma, and idiopathic hyperaldosteronism. read more here.
Keywords: shoot liquid; chromatography tandem; tandem mass; liquid chromatography ... See more keywords
Effects of Blood Collection Tubes on the Quantification of Catecholamines and Their O‐Methylated Metabolites by Liquid Chromatography Coupled With Tandem Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Clinical Laboratory Analysis"
DOI: 10.1002/jcla.25107
Abstract: Catecholamines (epinephrine; norepinephrine; and dopamine) and their O‐methylated metabolites (metanephrine; normetanephrine; and 3‐methoxytyramine) are biomarkers for pheochromocytoma and paraganglioma. Liquid chromatography coupled with tandem mass spectrometry (LC‐MS/MS) was recommended by Endocrine Society for detecting these… read more here.
Keywords: tandem mass; mass spectrometry; methylated metabolites; chromatography coupled ... See more keywords
Graphene oxide composites for magnetic solid-phase extraction of trace cytokinins in plant samples followed by liquid chromatography-tandem mass spectrometry.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of separation science"
DOI: 10.1002/jssc.201701491
Abstract: In this work, an easy, effective, and sensitive method based on graphene oxide@silica@magnetite composites as adsorbent of magnetic solid-phase extraction combined with liquid chromatography and tandem mass spectrometry, was established and validated for the trace… read more here.
Keywords: chromatography tandem; magnetic solid; solid phase; liquid chromatography ... See more keywords
Simultaneous quantification of N-butylthiophosphoric triamide and dicyandiamide in urea formulation by liquid chromatography with tandem mass spectrometry.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of separation science"
DOI: 10.1002/jssc.201800786
Abstract: A new liquid chromatography with tandem mass spectrometry method employing a mixed-mode zwitterionic stationary phase was developed for simultaneous determination of urease inhibitor (N-butylthiophosphoric triamide) and nitrification inhibitor (dicyandiamide) in urea fertilizer. Molecular modeling based… read more here.
Keywords: chromatography tandem; triamide; butylthiophosphoric triamide; liquid chromatography ... See more keywords
Ultra-performance liquid chromatography-quadrupole-time of flight tandem-mass spectrometry and liquid chromatograph-tandem mass spectrometer combined with chemometric analysis an approach for the quality evaluation of Mume Fructus.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of separation science"
DOI: 10.1002/jssc.202101002
Abstract: Mume Fructus is an important traditional Chinese medicine that has been widely used in the treatment of intestinal diseases and asthma for thousands of years. In order to evaluate the quality of Mume Fructus in… read more here.
Keywords: tandem mass; liquid; mume fructus; quality ... See more keywords
Simultaneous determination of pyflubumide and its metabolite in vegetables and fruits by ultrahigh performance liquid chromatography-tandem mass spectrometry.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of separation science"
DOI: 10.1002/jssc.202200027
Abstract: A rapid and cost-effective analytical method based on ultrahigh-performance liquid chromatography-tandem mass spectrometry was designed and verified for simultaneously monitoring the novel acaricide pyflubumide and its metabolite (pyflubumide-des(2-methyl-1oxopropyl)) in vegetables and fruits. After the extraction… read more here.
Keywords: performance liquid; chromatography tandem; tandem mass; liquid chromatography ... See more keywords