Technical Note: Fast two-dimensional GC-MS with thermal extraction for anhydro-sugars in fine aerosols [PDF]
Atmospheric Chemistry and Physics, 2010 A fast two-dimensional gas chromatography (GC-MS) method that uses heart-cutting and thermal extraction (TE) and requires no chemical derivatization was developed for the determination of anhydro-sugars in fine aerosols.
Y. Ma +4 more
doaj +3 more sources
Enzymatic digestion and selective quantification of underivatised [delta]9-tetrahydrocannabinol and cocaine in human hair using gas chromatography-mass spectrometry. [PDF]
, 2012 Gas chromatography-mass spectrometric (GC-MS) methods for drug analysis routinely employ derivatising reagents. The aim of this paper was to develop a method for the analysis of two recreational drugs, delta-9-tetrahydrocannabinol ([delta](9)-THC) and ...
Barker, James +3 more
core +3 more sources
Analysis of gas chromatography/mass spectrometry data for catalytic lignin depolymerization using positive matrix factorization [PDF]
, 2018 Various catalytic technologies are being developed to efficiently convert lignin into renewable chemicals. However, due to its complexity, catalytic lignin depolymerization often generates a wide and complex distribution of product compounds.
Barrett, JA +7 more
core +1 more source
A TGA/FTIR and Mass Spectral Study on the Thermal Degradation of Bisphenol A Polycarbonate [PDF]
, 2004 The thermal degradation of polycarbonate under nitrogen was studied using TGA/FTIR, GC/MS and LC/MS as a function of mass loss. The gases evolved during degradation were inspected by in situ FTIR and then the evolved products were collected and analysed ...
Jang, Bok Nam, Wilkie, Charles A.
core +2 more sources
Phytochemical Assessment on N-hexane Extract and Fractions of Marsilea Crenata Presl. Leaves Through Gc-ms [PDF]
, 2016 Estrogen deficiency causes various health problems in postmenopausal women, including osteoporosis. Phytoestrogen emerged as a potential alternative of estrogen with minimum side effects.
Ma'arif, B. (Burhan) +2 more
core +4 more sources
Identifying metabolites by integrating metabolome databases with mass spectrometry cheminformatics. [PDF]
, 2018 Novel metabolites distinct from canonical pathways can be identified through the integration of three cheminformatics tools: BinVestigate, which queries the BinBase gas chromatography-mass spectrometry (GC-MS) metabolome database to match unknowns with ...
A El-Tayeb +45 more
core +1 more source
Determination of 9 halogenated alkanes in toothpaste by GC⁃MS
Shanghai yufang yixue, 2023 ObjectiveTo establish a GC-MS method for the detection of 9 halogenated alkanes in toothpastes.MethodsVarious brands of toothpastes on the market were collected as the samples. Methanol was used as the extraction solution.
PENG Qian +3 more
doaj +1 more source
Determination of gamma-hydroxybutyric acid in dried blood spots using a simple GC-MS method with direct 'on spot' derivatization [PDF]
, 2010 The objective of this study was the development of an accurate and sensitive method for the determination of gamma-hydroxybutyric acid (GHB) in dried whole blood samples using a GC-MS method.
Ingels, Ann-Sofie +2 more
core +1 more source
Optimising a urinary extraction method for non-targeted GC–MS metabolomics
Scientific Reports, 2023 Urine is ideal for non-targeted metabolomics, providing valuable insights into normal and pathological cellular processes. Optimal extraction is critical since non-targeted metabolomics aims to analyse various compound classes.
Cara Olivier, Bianca Allen, Laneke Luies
doaj +1 more source
Determination of propofol by GC/MS and fast GC/MS-TOF in two cases of poisoning [PDF]
, 2017 Two cases of suspected acute and lethal intoxication caused by propofol were delivered by the judicial authority to the Department of Sciences for Health Promotion and Mother-Child Care in Palermo, Sicily.
Argo A. +8 more
core +1 more source