Synthesis, determination of analytical characteristics and differentiation of positional isomers in the series of N-(2-methoxybenzyl)-2-(dimethoxyphenyl)ethanamine by means of chromatography-mass spectrometry.
Sign Up to like & getrecommendations! Published in 2020 at "Drug testing and analysis"
DOI: 10.1002/dta.2859
Abstract: N-(2-Methoxybenzyl)-2,5-dimethoxyphenethylamines (NBOMes) are synthetic phenethylamine derivatives emerging on the drugs of abuse market and reported to be associated with untoward effects in people using drugs. The mechanism of action involves agonism at serotonin 5-HT2A receptors… read more here.
Keywords: mass spectrometry; 25h nbome; differentiation positional; mass ... See more keywords
Potential of chromatography and mass spectrometry for the differentiation of three series of positional isomers of 2-(dimethoxyphenyl)-N-(2-halogenobenzyl)ethanamines.
Sign Up to like & getrecommendations! Published in 2022 at "Drug testing and analysis"
DOI: 10.1002/dta.3232
Abstract: N-(2-Substituted benzyl)-2,5-dimethoxyphenethylamines often cause severe poisonings which has led to their legal prohibition in many countries. At the same time, their positional isomers can be studied as potential therapeutic drugs. In this regard, the search… read more here.
Keywords: differentiation; chromatography mass; mass spectrometry; chromatography ... See more keywords
A pyrolysis‐gas chromatography/mass spectrometry study of volatile compounds produced by wood‐based materials
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DOI: 10.1002/fam.3202
Abstract: The pyrolysis by‐products of five common wood‐based construction materials (low‐density wood fiberboard, oriented strand board, pine, particle board, and plywood) were studied using pyrolysis‐gas chromatography/mass spectrometry. Samples of wood‐based materials were pyrolyzed under helium from… read more here.
Keywords: pyrolysis; gas chromatography; mass spectrometry; chromatography mass ... See more keywords
A simple and easy non-derivatization gas chromatography-mass spectrometry method for simultaneous quantification of valproic acid, gabapentin, pregabalin, and vigabatrin in human plasma.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of separation science"
DOI: 10.1002/jssc.202200622
Abstract: Immunoassays are currently not available in commercial kits for the quantification of valproic acid, vigabatrin, pregabalin, and gabapentin, which also cannot suffer the limitations of interferences of substances with similar structures. Chromatography is a good… read more here.
Keywords: gas chromatography; chromatography mass; mass spectrometry; plasma ... See more keywords
Impact of sample containers on gas chromatography mass spectrometry based plasma untargeted and targeted metabolomics
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DOI: 10.1002/pmic.202000196
Abstract: Plasticware and glassware used in the sample processing stage could result in different analysis performance for macromolecules, which led to the speculation that a similar effect could happen to small molecules. To confirm the speculation,… read more here.
Keywords: gas chromatography; mass spectrometry; targeted metabolomics; chromatography mass ... See more keywords
Gas Chromatography–Mass Spectrometry Analysis and Bioactive Potential of Selected Medicinal Plants
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DOI: 10.1002/rcm.10049
Abstract: Plants offer unlimited source of bioactive compounds that have tremendous applications in pharmaceutical industry to find new sources of medicinal plants (MPs) were evaluated. Gas chromatography–mass spectrometry were used to identify the bioactive compounds of… read more here.
Keywords: gas chromatography; mass spectrometry; chromatography mass; selected medicinal ... See more keywords
Assessment of Serum Metabolism and Eicosanoid Profiling in Pediatric Asthma and Bronchiolitis via Liquid Chromatography‐Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2024 at "Rapid Communications in Mass Spectrometry"
DOI: 10.1002/rcm.9955
Abstract: Asthma, a prevalent chronic inflammatory respiratory disease among children, was the focus of this study. Serum metabolism profiles were examined in patients diagnosed with both asthma and bronchiolitis by using ultra‐high performance liquid chromatography‐mass spectrometry. read more here.
Keywords: serum metabolism; spectrometry; mass spectrometry; chromatography mass ... See more keywords
Measuring Activity of Cholesterol Synthesis Enzymes Using Gas Chromatography/Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2017 at "Methods in molecular biology"
DOI: 10.1007/978-1-4939-6875-6_16
Abstract: The development of gas chromatography/mass spectrometry (GC/MS) technology has improved the ease and efficiency with which sterols in biological samples can be analyzed. Its advantages include that it needs only a small amount of sample,… read more here.
Keywords: gas chromatography; mass spectrometry; cholesterol synthesis; chromatography mass ... See more keywords
Untargeted Soil Metabolomics Using Liquid Chromatography-Mass Spectrometry and Gas Chromatography-Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2019 at "Methods in molecular biology"
DOI: 10.1007/978-1-4939-8757-3_4
Abstract: The molecular composition of soil organic matter (SOM) sets the foundation for terrestrial microbial community structures and carbon cycling dynamics. However, the specific chemical constituents of SOM are underexplored. In this chapter we present a… read more here.
Keywords: chromatography mass; using liquid; mass spectrometry;
Comprehensive Two-Dimensional Gas Chromatography Mass Spectrometry-Based Metabolomics.
Sign Up to like & getrecommendations! Published in 2021 at "Advances in experimental medicine and biology"
DOI: 10.1007/978-3-030-51652-9_4
Abstract: Compared to one-dimensional gas chromatography with mass spectrometry (GC-MS), GC × GC-MS provides significantly increased peak capacity, resolution, and sensitivity for analysis of complex biological samples. In the last decade, GC × GC-MS has been increasingly applied to the… read more here.
Keywords: gas chromatography; mass spectrometry; mass; chromatography mass ... See more keywords
A direct comparison of liquid chromatography-mass spectrometry with clinical routine testing immunoassay methods for the detection and quantification of thyroid hormones in blood serum
Sign Up to like & getrecommendations! Published in 2019 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-019-01724-2
Abstract: AbstractA new and improved method was developed for the determination and quantification of four “free” thyroid hormones (i.e. 3,5-diiodothyronine (T2), 3,3′,5-triiodothyronine (T3), 3,3′,5′-triiodothyrone (rT3) and 3,5,3′,5′-tetraiodothyronine (T4)) in human serum by low- and high-resolution liquid… read more here.
Keywords: phase; chromatography mass; liquid chromatography; thyroid hormones ... See more keywords