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
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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.
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Detection of Δ9-tetrahydrocannabinol (THC) in hair using GC–MS
Egyptian Journal of Forensic Sciences, 2014 Detection of drugs from hair samples has become an imperative technique in forensic toxicological analysis. In this study, hair samples were collected from 20 cannabis users undergoing treatment at a rehabilitation center at different time intervals ...
Himanshu Khajuria, Biswa P. Nayak
doaj +1 more source
Comparison of GC/time-of-flight MS with GC/quadrupole MS for halocarbon trace gas analysis [PDF]
Atmospheric Measurement Techniques, 2015 We present the application of time-of-flight mass spectrometry (TOF MS) for the analysis of halocarbons in the atmosphere after cryogenic sample preconcentration and gas chromatographic separation.
J. Hoker +3 more
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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
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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
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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
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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
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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
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Drying Enhances Signal Intensities for Global GC–MS Metabolomics
Metabolites, 2019 We report here that a straightforward change of the standard derivatization procedure for GC–MS metabolomics is leading to a strong increase in metabolite signal intensity.
Manuel Liebeke, Erik Puskás
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