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Mass Spectrometry with High-Performance Liquid Chromatography
Mass spectrometry (MS) is an analytical technique that provides information about the molecular weight and chemical characteristics of a compound....
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Comprehensive Urine Drug Screen by Gas Chromatography-Mass Spectrometry (GC-MS)
Drug screening is an important diagnostic tool in patient management and is an indispensable part of clinical toxicology laboratory services. While...
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Gas Chromatography and Mass Spectrometry: The Technique
Combining the techniques of gas chromatography and mass spectrometry provides conjunction with a confirmatory character, which has a great power of...
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Liquid and Gas Chromatography–Mass Spectrometry Methods in Food and Environmental Safety
This chapter describes recent advances in applications of gas chromatography (GC) and liquid chromatography (LC) coupled with mass spectrometry (MS)...
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Determination of Perfluororganic Compounds in Whole Blood and Tissues of Laboratory Animals by Gas-Liquid Chromatography–Mass Spectrometry
AbstractA procedure for the determination of a group of perfluororganic compounds, promising for medical use, in whole blood and tissues of...
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Integrated Gas Chromatography–Mass Spectrometry and Liquid Chromatography-Quadruple Time of Flight-Mass Spectrometry-Based Untargeted Metabolomics Reveal Possible Metabolites Related to Antioxidant Activity in Stingless Bee Honey
Stingless bee honey is a complex mixture of natural compounds. Therefore, the metabolite profile of stingless bee honey from different botanical...
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Quantification of Phencyclidine (PCP) in Urine, Serum, or Plasma by Gas Chromatography-Mass Spectrometry (GC-MS)
Phencyclidine (PCP), a dissociative anesthetic, is a commonly abused recreational drug. In the 1950s, initially tested as an intravenous anesthetic,...
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Covalent organic framework-based magnetic solid-phase extraction coupled with gas chromatography-tandem mass spectrometry for the determination of trace phthalate esters in liquid foods
Covalent organic framework-coated magnetite particles (Fe 3 O 4 @COF) were synthesized and applied as the adsorbent to the selective capture of...
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Instrument-Agnostizing Methodology for Liquid Chromatography–Mass Spectrometry Systems
Mass spectrometry is a powerful analytical technique used to identify unknown compounds, to quantify known compounds, and to elucidate the structure...
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Metabolomics Analysis of Aqueous Humor Based on Liquid Chromatography–Mass Spectrometry
Aqueous humor (AH) is a transparent fluid that fills the anterior segment of the eye. The composition and level of metabolites in AH are important...
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Comprehensive Urine Drug Screen by Liquid Chromatography-Quadrupole Time of Flight Mass Spectrometry
Current trends in drug use include polydrug use as well as an ever-changing landscape of novel psychoactive substances. Immunoassay-based urine drug...
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Analysis of Hypoglycemic Drugs by Liquid Chromatography-Tandem Mass Spectrometry
A rapid and simple method to measure oral hypoglycemic agents is essential in the evaluation of a patient with spontaneous hypoglycemia. As a result,...
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Liquid Chromatography-Tandem Mass Spectrometry for Quantitation of Serum Pentobarbital
Pentobarbital is a short-acting barbiturate with anticonvulsant and sedative-hypnotic properties. Pentobarbital may be used to induce sedation,...
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A high-performance liquid chromatography–evaporative light scattering detection–based quantitative analytical method for polyvinyl alcohol in food supplements with pyrolysis–gas chromatography/mass spectrometry-based verification
Polyvinyl alcohol (PVOH) is extensively used in agricultural, pharmaceutical, textile, and food industries. A new high-performance liquid...
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Identification of Impurities in Diborane by Gas Chromatography–Mass Spectrometry
Abstract —The impurity composition of diborane synthesized by the hydrogenation reaction of boron chloride was studied for the first time with the...
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Turbulent Flow Liquid Chromatography-Tandem Mass Spectrometry Methods for Antiepileptic Drug Quantitation in Serum
Epilepsy is characterized by abnormal electrical discharges in the brain that result in unprovoked seizures. Pharmacotherapy with antiepileptic drugs...
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Untargeted Metabolomics by Liquid Chromatography–Mass Spectrometry in Biomedical Research
Metabolomics, alone or in combination with other omics sciences, has shown great relevance in a large number of investigations in different branches...
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Composition of Impurities of Germanium Tetrafluoride: A Gas Chromatography–Mass Spectrometry Study
AbstractThe compositions of impurities of GeF 4 with natural isotopes and GeF 4 enriched isotopically were studied for the first time with a...
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Analysis of Cholesterol from the Liver Using Gas Chromatography–Mass Spectrometry
Cholesterol is an essential lipid molecule for several biological functions including the proper functioning of cell membranes, lipoproteins, and...
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Application of gas flow headspace liquid phase micro extraction coupled with gas chromatography-mass spectrometry for determination of 4-methylimidazole in food samples employing experimental design optimization
Background4-Methylimidazole (4-MeI) or 4-methyl-1H-imidazole, a slightly yellowish solid with molecular formula C 4 H 6 N 2 , is a heterocyclic compound...
