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
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
Quantification of Cannabinoids in Human Hair using A modified Derivatisation Procedure and Liquid Chromatography-Tandem Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2021 at "Drug testing and analysis"
DOI: 10.1002/dta.3005
Abstract: The aim of this work was to develop and validate a liquid chromatography tandem mass spectrometry method for detecting of the main cannabinoids, of cannabinol (CBN) and tetrahydrocannabinol (THC) and the primary metabolite 11-nor-9-carboxy-Δ9-tetrahydrocannabinol (THC-COOH)… read more here.
Keywords: chromatography tandem; hair; thc cooh; 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
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
One-step synthesized magnetic MIL-101(Cr) for effective extraction of triazine herbicides from rice prior to determination by liquid chromatography-tandem mass spectrometry.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of separation science"
DOI: 10.1002/jssc.201900345
Abstract: The magnetic metal-organic framework MIL-101(Cr) material-based solid phase extraction method coupled with high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) was applied to extract seven triazine herbicides in rices. Fe3 O4 /MIL-101(Cr) was synthesized using reduction-precipitation… read more here.
Keywords: chromatography tandem; extraction; triazine herbicides; liquid chromatography ... See more keywords
Simultaneous quantification of three tropane alkaloids in Goji berries by cleanup of the graphene/hexagonal boron nitride hybrids and ultra high performance liquid chromatography tandem mass spectrometry.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of separation science"
DOI: 10.1002/jssc.202000520
Abstract: A modified [Quick, Easy, Cheap, Effective, Rugged and Safe] method was established for simultaneous determination of atropine, anisodamine and scopolamine in Goji berries via ultra high performance liquid chromatography tandem mass spectrometry. The graphene/hexagonal boron… read more here.
Keywords: chromatography tandem; ultra high; liquid chromatography; high performance ... 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
Platelets Lipidomics Study of Blood Stasis Rats Model by Using Liquid Chromatography-tandem Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of separation science"
DOI: 10.1002/jssc.202200611
Abstract: This study analyzed a lipidomic profile of platelets from blood stasis rats by liquid chromatography-tandem mass spectrometry. The blood stasis rat was established by low-dose continuous subcutaneous injection of adrenaline, and the evaluation indexes included… read more here.
Keywords: chromatography tandem; tandem mass; liquid chromatography; blood stasis ... See more keywords