Results 11 to 20 of about 758,061 (263)

Recent trends and developments in pyrolysis-gas chromatography: review [PDF]

open access: yes, 2008
Pyrolysis-gas chromatography (Py-GC) has become well established as a simple, quick and reliable analytical technique for a range of applications including the analysis of polymeric materials.
Arias   +179 more
core   +1 more source

Detection of Urethane in Non-alcoholic Fermented Food [PDF]

open access: yesE3S Web of Conferences, 2020
Among fermented foods, urethane often appears, which is a “2A” grade carcinogen. There are many types of fermented foods in my country, and the detection methods are not uniform enough, and no specific urethane detection standards have been formed.
Lihua Zhang
doaj   +1 more source

Gas–liquid chromatography of hyocholic acid

open access: yesJournal of Lipid Research, 1971
Partial derivatives of hyocholic acid were formed under the usual conditions for trifluoroacetylation of bile acids (trifluoroacetic anhydride, 35°C for 20 min).
Glen E. Mott   +2 more
doaj   +1 more source

Analysis of Lambic Beer Volatiles during Aging Using Gas Chromatography–Mass Spectrometry (GCMS) and Gas Chromatography–Olfactometry (GCO)

open access: yesBeverages, 2020
Lambic beer is produced using spontaneous fermentation. Gueuze is a style of lambic beer that blends “young” (1 year old) and “aged” (2+ years old) beers.
Katherine Witrick   +2 more
doaj   +1 more source

Comparison of phenolic and volatile profiles of edible and toxic forms of Detarium senegalense J. F. GMEL [PDF]

open access: yes, 2016
In Senegal, Detarium senegalense J.F. Gmel. (ditax in Wolof) is one of the most important important forest fruit species. However, exploitation of the edible fruit is based on local people's knowledge.
Boudard, Frédéric   +7 more
core   +2 more sources

Flow Rates in Liquid Chromatography, Gas Chromatography and Supercritical Fluid Chromatography: A Tool for Optimization

open access: yesJournal of Open Research Software, 2016
This paper aimed to develop a standalone application for optimizing flow rates in liquid chromatography (LC), gas chromatography (GC) and supercritical fluid chromatography (SFC). To do so, Van Deemter’s equation, Knox’ equation and Golay’s equation were
Joris Meurs
doaj   +1 more source

On-line monitoring of the transesterification reaction carried out in microreactors using near infrared spectroscopy [PDF]

open access: yes, 2013
Biodiesel can be produced from vegetable oils, animal fats, and waste cooking oils by transesterification with ethanol (also called ethanolysis) in order to substitute fossil fuels.
Dubreuil, Brigitte   +3 more
core   +4 more sources

Dataset on the analytical cohydropyrolysis of chilean oak and polyethylene under catalytic and noncatalytic conditionsMendeley Data

open access: yesData in Brief
Co-hydropyrolysis—fast pyrolysis under a hydrogen atmosphere—offers a thermochemical route for converting plastic residues, co-processed with lignocellulosic biomass feedstocks, into platform hydrocarbons.
Carlos Romero-Unda   +2 more
doaj   +1 more source

Blood-Based Lipidomics Approach to Evaluate Biomarkers Associated With Response to Olanzapine, Risperidone, and Quetiapine Treatment in Schizophrenia Patients

open access: yesFrontiers in Psychiatry, 2018
This is the first study to identify lipidomic markers in plasma associated with response of acutely ill schizophrenia patients in response to specific antipsychotic treatments.
Adriano Aquino   +10 more
doaj   +1 more source

Analysis and identification of diamondoids by different mass spectrometry techniques

open access: yesShiyou shiyan dizhi, 2020
Diamondoids have attracted extensive attention from researchers because of their important application value in oil and gas exploration. Since diamondoids have complex molecular structures and a large number of isomers, the identification of certain ...
Ling HUANG   +6 more
doaj   +1 more source

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