Results 41 to 50 of about 195,289 (147)

DIESEL CHARACTERIZATION BY HIGH RESOLUTION MASS SPECTROMETRY-GAS CHROMATOGRAPHY

open access: yesCT&F Ciencia, Tecnología & Futuro, 1998
High-resolution mass spectrometry-gas chromatography is combined with the HC22 method in order to obtain a detailed information about the chemical composition of diesel and the distribution of different compound types in terms of its final boiling ...
C.A BALDRICHF
doaj  

MS and GC–MS Analytical Methods for On-Line Thermally Induced Evolved Gas Analysis (OLTI-EGA)

open access: yesChemosensors
Mass spectrometry (MS) and coupled gas chromatography-mass spectrometry (GC-MS) are globally recognized as the primary techniques for the analysis of gases or vapors due to their selectivity, sensitivity, accuracy, and reproducibility.
Giuseppina Gullifa   +7 more
doaj   +1 more source

A preliminary gas chromatography-mass spectrometry-based metabolomics study of rats ingested diazepam or clonazepam

open access: yesJournal of Forensic Science and Medicine, 2020
Drug-facilitated sexual assault (DFSA) is a sexual act in which the victim is unable to give or rescind consent due to alcohol or drug intoxication, which involved the abuse of benzodiazepines around the world.
Shiyong Fang   +8 more
doaj   +1 more source

Antioxidant, Anticancer, Antibacterial, Antibiofilm Properties and Gas Chromatography and Mass Spectrometry Analysis of Manuka Honey: A Nature’s Bioactive Honey [PDF]

open access: gold, 2022
Abdulrahman S. Bazaid   +9 more
openalex   +1 more source

Isolation and characterization of a novel uronic acid-containing acidic glycosphingolipid from the ascidian Halocynthia roretzi

open access: yesJournal of Lipid Research, 2007
A novel uronic acid-containing glycosphingolipid (UGL-1) was isolated from the ascidian Halocynthia roretzi. UGL-1 was prepared from chloroform-methanol extracts and purified by the use of successive column chromatography on DEAE-Sephadex, Florisil, and ...
Masahiro Ito   +5 more
doaj   +1 more source

Periodontitis biomarkers through thermal desorption-gas chromatography-mass spectrometry analysis

open access: yesFrontiers in Dental Medicine
BackgroundPeriodontitis is a growing public health concern worldwide. Salivary volatile metabolites have emerged as promising biomarkers for the diagnosis of periodontal disease. However, research on the collection and identification of these metabolites
Qin Liang   +7 more
doaj   +1 more source

Comparison among single-phase test, automated screening method and GC/MS for the traceability of ketamine in urine

open access: yesEpidemiology, Biostatistics and Public Health, 2016
BACKGROUND The use of ketamine, for non-medical purpose, results widespread also in Italy. This drug is not searched by institutional centers, charged of the responsibility to realize the execution of toxicological analysis based on the article 187 of ...
Alice Visione   +1 more
doaj   +1 more source

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