Results 31 to 40 of about 70,371 (306)

Variation with In Vitro Analysis of Volatile Profiles among Aspergillus flavus Strains from Louisiana

open access: yesSeparations, 2023
Volatile organic compounds (VOCs) produced by A. flavus strains were first captured and identified to discern between non-aflatoxigenic and toxigenic phenotypes, and more recently to help with detecting fungal infection, but not with the goal of using ...
Geromy G. Moore, Steven W. Lloyd
doaj   +1 more source

Putting Technology Into Youth Mental Health Practice

open access: yesSAGE Open, 2015
Although young people aged 16 to 25 are particularly susceptible to mental ill-health, they are difficult to engage in ongoing treatment. Meanwhile, young people are more engaged with digital technologies than ever before, with the Internet and mobile ...
Alice E. Montague   +3 more
doaj   +1 more source

Sampling and Analysis of Low-Molecular-Weight Volatile Metabolites in Cellular Headspace and Mouse Breath

open access: yesMetabolites, 2022
Volatile compounds, abundant in breath, can be used to accurately diagnose and monitor a range of medical conditions. This offers a noninvasive, low-cost approach with screening applications; however, the uptake of this diagnostic approach has been ...
Theo Issitt   +3 more
doaj   +1 more source

Utilization of agro-industrial by-products as substrates for dextransucrase production by Leuconostoc mesenteroides T3: Process optimization using response surface methodology [PDF]

open access: yesHemijska Industrija, 2021
Dextransucrase (DS) is a glucosyltransferase (E. C. 2.4.1.5) that catalyzes the transfer of glucosyl residues from sucrose to dextran polymer and liberates fructose.
Miljković Miona G.   +6 more
doaj   +1 more source

Australia's innovation in youth mental health care: The headspace centre model

open access: yesEarly Intervention in Psychiatry, 2018
headspace is Australia's innovation in youth mental healthcare and comprises the largest national network of enhanced primary care, youth mental health centres world‐wide.
D. Rickwood   +6 more
semanticscholar   +1 more source

Application of The Headspace - Needle Trap Device Based on Molecularly Imprinted Polymer for Co-Extraction of Two Volatile Biomarkers in Urine [PDF]

open access: yesبهداشت و ایمنی کار, 2023
Introduction: Several extraction techniques have been developed in recent years to determine the concentration of volatile metabolites in a biological sample.
Masoomeh Vahabi Shekarloo   +2 more
doaj  

Chemical Composition of Fresh Leaves Headspace Aroma and Essential Oils of Four Coriander Cultivars

open access: yesFrontiers in Plant Science, 2022
Aroma is one of the key food characteristics determining consumers’ perception and acceptability of products. Coriandrum sativum L. is an aromatic herb commonly used as a food additive and taste enhancer.
Sunjeet Kumar   +9 more
doaj   +1 more source

Rapid and Sensitive Analysis of Volatile Components of Different Parts of Clausena lansium by Ionic Liquid Based Headspace Gas Chromatography-Mass Spectrometry

open access: yesMolecules, 2018
A rapid and sensitive ionic liquid (IL) based headspace gas chromatography-mass spectrometry (HS-GC-MS) method was developed for analyzing volatile components in leaf, pericarp, and seed of Clausena lansium from different areas in Hainan Province, China.
Xiaowen He   +6 more
doaj   +1 more source

Headspace Gas Chromatography Coupled to Mass Spectrometry and Ion Mobility Spectrometry: Classification of Virgin Olive Oils as a Study Case

open access: yesFoods, 2020
Due to its multiple advantages, ion mobility spectrometry (IMS) is being considered as a complementary technique to mass spectrometry (MS). The goal of this work is to investigate and compare the capacity of IMS and MS in the classification of olive oil ...
María García-Nicolás   +4 more
doaj   +1 more source

Comparison of the Chemical and Sensorial Evaluation of Dark Chocolate Bars

open access: yesApplied Sciences, 2021
As it mimics olfactory perception, headspace analysis is frequently used for examination of products like chocolate, in which aroma is a key feature. Chemical analysis by itself, however, only provides half the picture, as final consumer’s perception ...
Ylenia Pieracci   +3 more
doaj   +1 more source

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