Results 11 to 20 of about 429,865 (338)
Microbial cell factories, 2007 Fluxome analysis aims at the quantitative analysis of in vivo carbon fluxes in metabolic networks, i. e. intracellular activities of enzymes and pathways. It allows investigating the effects of genetic or environmental modifications and thus precisely provides a global perspective on the integrated genetic and metabolic regulation within the intact ...
Wittmann Christoph
openaire +5 more sources
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.
C. D. Geron +4 more
core +3 more sources
Separations, 2022 Pesticide residue analysis in medicinal herbs is a challenging task because of the matrix effect and its influence on quantitative analysis despite the continuous development of several new analytical methods and instrumentations.
Hun-Ju Ham +4 more
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Analysis of Pectin-derived Monosaccharides from Arabidopsis Using GC–MS
Bio-Protocol, 2023 Pectin is a complex polysaccharide present in the plant cell wall, whose composition is constantly remodelled to adapt to environmental or developmental changes.
Patricia Scholz +3 more
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Foods, 2023 The volatiles in coffee play an important part in the overall flavor profile. In this study, GC–TOF/MS and GC×GC–TOF/MS were used to detect the volatile organic compounds (VOCs) in coffee samples of three different brands at three states (bean, powder ...
Xiaolei Fang +8 more
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4-t-Butylbenzylation of carboxylic acid for GC–MS analysis
SN Applied Sciences, 2020 We report a 4-t-butylbenzyl derivatization for the analysis of carboxylic acids by GC–MS (EI). Carboxylic acids were analyzed as a 4-t-butylbenzyl ester after the derivatization with 4-t-butylbenzyl bromide. On the mass spectra of 4-t-butylbenzyl ester, [
Shinji Tsunoi +5 more
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Molecules, 2020 The aroma profile is an important marker for wine quality. Various classes of compounds are responsible for the aroma of wine, and one such class is terpenoids. In the context of this work, a validated gas chromatography−mass spectrometry (GC−
Cody Williams, Astrid Buica
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Unravelling anti-cancer properties of solanaceous extracts using GC-MS and HPLC. [PDF]
Sci RepCancer is a complex health issue that today’s medical science is dealing with, which has a mortality rate that is almost identical to that of cardiac disorders.
Riaz I +6 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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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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