Results 71 to 80 of about 9,222 (182)

Vacuum-assisted headspace solid-phase microextraction for volatile profiling of avocado puree: Application to post-harvest ripening

Journal of Chromatography Open
Vacuum-assisted headspace solid-phase microextraction (Vac-HS-SPME) was developed and applied for the first time to monitor free volatile emissions during post-harvest ripening of Hass and Fuerte avocados.
Angeliki Pateraki, Breno Jorge Pollo, Fabio Augusto, Elefteria Psillakis   +3 more
doaj   +1 more source

Applications of Solid-Phase Microextraction and Gas Chromatography/Mass Spectrometry (SPME-GC/MS) in the Study of Grape and Wine Volatile Compounds

Molecules, 2014
Volatile compounds are responsible for the wine “bouquet”, which is perceived by sniffing the headspace of a glass, and of the aroma component (palate-aroma) of the overall flavor, which is perceived on drinking.
Annarita Panighel, Riccardo Flamini
doaj   +1 more source

Headspace Solid Phase Microextraction in Pesticide Residues Analysis:1. Optimisation of Extraction Conditions [PDF]

Pesticidi i Fitomedicina, 2007
The method of headspace solid phase microextraction (HS/SPME) was successfully used in a simultaneous multicomponent analysis of hexachlorobenzene (HCB), tefluthrin, heptachlor, aldrin, chlorpyrifos, fenthion and bifenthrin in aqueous medium ...
Rada Đurović, Jelena Milinović, Mirjana Marković, Dragan Marković   +3 more
doaj  

Volatile Organic Compounds from Centaurium erythraea Rafn (Croatia) and the Antimicrobial Potential of Its Essential Oil

Molecules, 2012
GC and MS were used for the analysis of Croatian Centaurium erythraea Rafn essential oil (obtained by hydrodistillation) and headspace (applying headspace solid-phase microextraction).
Ivana Petrović, Spomenka Kovač, Zvonimir Marijanović, Mirko Gugić, Hrvoje Pavlović, Igor Jerković, Dajana Gašo-Sokač   +6 more
doaj   +1 more source

Selective fiber used for headspace solid-phase microextraction of abused drugs in human urine [PDF]

Maejo International Journal of Science and Technology, 2007
A sensitive and selective fiber for simultaneous analysis of three drugs of abuse (amphetamine, methamphetamine and ephedrine) in urine samples was explored using headspace solid phase microextraction and gas chromatography with flame ionization ...
Sunanta Wangkarn
doaj  

Volatiles from Flower: Comparative analysis by Simultaneous Distillation-Extraction and Solid Phase Microextraction

Natural Product Communications, 2012
The chemical composition of the volatile compounds isolated by simultaneous distillation-extraction (SDE) and headspace-solid phase microextraction (SPME) from flowers of Michelia champaca growing in Cuba was investigated by GC/FID and GC/MS. Sixty-seven
Disnelys Báez, Diego Morales, Jorge A. Pino   +2 more
doaj   +1 more source

Desenvolvimento de um método de MEFS com CG-DIC para determinação de 1,4 dioxana em amostras de cosméticos

Química Nova, 2001
A headspace solid-phase microextraction (HS-SPME) for the determination of 1,4 dioxane in cosmetics by gas chromatography is described. A manual SPME holder with 85 µm polyacrylate coating is utilized.
Silva Fernando C., Faria Cintia G., Gabriel Geraldo M., Cardeal Zenilda de L.   +3 more
doaj  

The Use of Ultra-Fast Gas Chromatography for Fingerprinting-Based Classification of Zweigelt and Rondo Wines with Regard to Grape Variety and Type of Malolactic Fermentation Combined with Greenness and Practicality Assessment

Molecules
In food authentication, it is important to compare different analytical procedures and select the best method. The aim of this study was to determine the fingerprints of Zweigelt and Rondo wines through headspace analysis using ultra-fast gas ...
Anna Stój, Wojciech Wojnowski, Justyna Płotka-Wasylka, Tomasz Czernecki, Ireneusz Tomasz Kapusta   +4 more
doaj   +1 more source

Analysis of Volatile Components in Rosa roxburghii Tratt. and Rosa sterilis Using Headspace-Solid-Phase Microextraction-Gas Chromatography-Mass Spectrometry. [PDF]

Molecules, 2023
Deng Y, Kan H, Li Y, Liu Y, Qiu X.
europepmc   +1 more source

Rapid Identification of Carbapenemase-Producing Klebsiella pneumoniae Using Headspace Solid-Phase Microextraction Combined with Gas Chromatography-Mass Spectrometry. [PDF]

Infect Drug Resist, 2023
Luo H, Hang Y, Zhu H, Zhong Q, Peng S, Gu S, Fang X, Hu L.   +7 more
europepmc   +1 more source