Results 11 to 20 of about 48,147 (228)

Modifying Headspace Sampling Environment Improves Detection of Boar Taint Compounds in Pork Fat Samples

open access: yesChemosensors, 2023
The extraction of boar taint compounds from pork fat samples was performed under various temperature (150, 300 and 450 °C) and atmosphere (air, nitrogen and reduced pressure) conditions.
Clément Burgeon   +3 more
doaj   +1 more source

Honey volatiles as a fingerprint for botanical origin: a review on their occurrence on monofloral honeys [PDF]

open access: yes, 2020
Honeys have specific organoleptic characteristics, with nutritional and health benefits, being highly appreciated by consumers, not only in food but also in the pharmaceutical and cosmetic industries. Honey composition varies between regions according to
Figueiredo, Ana Cristina   +3 more
core   +1 more source

High-throughput analytical methods employing microextraction techniques: Towards fast analyses lasting a few seconds

open access: yesAdvances in Sample Preparation, 2023
Green Analytical Chemistry (GAC) principles have influenced the development of analytical methods with minimal sample handling and operations, in contrast to conventional techniques, which are often laborious and time-consuming. Since the introduction of
Eduardo Carasek   +2 more
doaj   +1 more source

Microextraction for ambient ionization mass spectrometry analysis

open access: yesAdvances in Sample Preparation, 2022
Ambient ionization allows desorption of molecules and formation of ions directly from samples in native environment. Compared with traditional ionization techniques, it has unique features of simplicity and convenience, thus has attracted considerable ...
Yijing Liu, Yuhan Shang, Qiang Ma
doaj   +1 more source

Solid-phase microextraction for bioconcentration studies according to OECD TG 305 [PDF]

open access: yes, 2012
An important aim of the European Community Regulation on chemicals and their safe use is the identification of (very) persistent, (very) bioaccumulative, and toxic substances.
Böhm, Leonard   +2 more
core   +2 more sources

Modern Approaches to Preparation of Body Fluids for Determination of Bioactive Compounds

open access: yesSeparations, 2019
The current clinical and forensic toxicological analysis of body fluids requires a modern approach to sample preparation characterized by high selectivity and enrichment capability, suitability for micro-samples, simplicity and speed, and the possibility
Katarzyna Madej, Wojciech Piekoszewski
doaj   +1 more source

Recent developments in microextraction techniques for detection and speciation of heavy metals

open access: yesAdvances in Sample Preparation, 2022
Analysis of heavy metals and their species in complex samples such as environment, biology and medicine is be of paramount importance due to their toxicity, persistence, and bioaccumulation.
Xiaochong Song, Xiaojia Huang
doaj   +1 more source

Microfibers for juice analysis by solid-phase microextraction. [PDF]

open access: yes, 2008
In view of the interest in analyzing volatile compounds by SPME, the following five microfibers were tested, polydimethylsiloxane; polyacrylate; polydimethylsiloxane/divinylbenzene; carboxen/polydimethylsiloxane, and carbowax/divinylbenzene, to select ...
Bizzo, Humberto Ribeiro   +3 more
core   +3 more sources

Application of direct bioautography and SPME-GC-MS for the study of antibacterial chamomile ingredients [PDF]

open access: yes, 2012
The isolation and characterization of antibacterial chamomile components were performed by the use of direct bioautography and solid phase microextraction (SPME)-GC-MS.
Adams R.P.   +40 more
core   +1 more source

Applications of ionic liquids in the microextraction of pesticides: A mini-review

open access: yesJournal of Chromatography Open, 2023
The development of preferably simple, fast, sensitive, selective and relatively inexpensive methods for the determination of pesticide residues in food and environmental samples is essential.
Prince Obeng Boamah   +4 more
doaj   +1 more source

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