Results 51 to 60 of about 453,529 (334)
Gas-liquid chromatography-mass spectrometry of synthetic ceramides containing phytosphingosine
Journal of Lipid Research, 1970 Ceramides containing phytosphingosine as base and one of the fatty acids 16:0, 18:0, 20:0, 22:0, 23:0, and 24:0, were prepared by direct coupling in the presence of a mixed carbodiimide. The ceramides were analyzed as the 1,3,4-tri-O-trimethylsilyl ether
Sven Hammarström
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Cloud point extraction coupled with back extraction: a green methodology in analytical chemistry
Forensic Sciences Research, 2021 Recently, cloud point extraction (CPE) coupled with back extraction (BE) has been suggested as a promising alternative to liquid-liquid extraction. In CPE, non-ionic surfactants in aqueous solutions form micelles and the solution becomes turbid when ...
Shivpoojan Kori
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Shanghai yufang yixue, 2023 ObjectiveTo establish a non-targeted screening method for emerging contaminants in drinking water based on high-resolution mass spectrometry and apply it to actual water samples.MethodsA total of 9 drinking water samples collected from 3 reservoirs in ...
WU Linying +6 more
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Identification of a Widespread Palmitoylethanolamide Contamination in Standard Laboratory Glassware. [PDF]
, 2017 Introduction: Fatty acid ethanolamides (FAEs) are a family of lipid mediators that participate in a host of biological functions. Procedures for the quantitative analysis of FAEs include organic solvent extraction from biological matrices (e.g., blood ...
Angelini, Roberto +3 more
core
Toxicological Analysis of Some Drugs of Abuse in Biological Samples [PDF]
, 2015 Consumption of drugs of abuse is a scourge of modern world. Abuse, drug addiction and their consequences are one of the major current problems of European society because of the significant repercussions in individual, family, social and economic level ...
Baconi, Daniela Luiza +5 more
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FEBS Open Bio, EarlyView.This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso +4 more
wiley +1 more source
A resource of lipidomics and metabolomics data from individuals with undiagnosed diseases
Scientific Data, 2021 Measurement(s) Metabolomics • Lipidomics Technology Type(s) gas chromatography-mass spectrometry • Ultra High-performance Liquid Chromatography/Tandem Mass Spectrometry Factor Type(s) age group • sex Sample Characteristic - Organism Homo sapiens Sample ...
Jennifer E. Kyle +10 more
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Detection of Tetrahydrozoline in Urine by Gas Chromatography/Mass Spectrometry [PDF]
, 2018 Undergraduate ...
Paone, Louis
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Advanced Functional Materials, EarlyView.The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal +10 more
wiley +1 more source
Headspace-gas chromatography/mass spectrometry analysis of methanol in blood
Medicine Science, 2017 A headspace gas chromatographic-mass spectrometric (HS-GC/MS) method was developed for detection of ethanol and methanol in blood and quality control and validation was performed.
Dilek Salkim Islek, Sibel Ramadanoglu
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