Results 61 to 70 of about 30,021 (227)
Stir Bar Sorptive Extraction - New Approach for the Determination of Some Beer Flavours.
Kvasný průmysl, 2008 For the determination of beer flavours well-established methods require sample preparation steps such as liquid/liquid extraction, solid phase extraction or distillation techniques. During the past years the microextraction procedures become popular e. g.
Tomáš HORÁK +4 more
doaj +1 more source
Application of Dispersive Liquid-Liquid Microextraction in Forensic Toxicological Analysis [PDF]
Fayixue Zazhi, 2019 Currently, the main sample pretreatment methods for forensic toxic analysis are liquid-liquid extraction （LLE） and solid-phase extraction （SPE）. As a simple, convenient, and low-cost LLE method, dispersion liquid-liquid microextraction （DLLME） has high ...
YANG Yu, ZHANG Yun-feng, LI Xin-tong，et al.
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Food Safety and Health, EarlyView.This review elucidates the formation pathways and detection technologies for ethyl carbamate, biogenic amines, and higher alcohols in Huangjiu. It concludes that integrated control frameworks are essential to decouple safety risks from the metabolic processes responsible for flavor development.
Lulu Liu +5 more
wiley +1 more source
Development of an ionic liquid-based dispersive liquid–liquid microextraction method for the determination of nifurtimox and benznidazole in human plasma [PDF]
, 2013 Dispersive ionic liquid–liquid microextraction combined with liquid chromatography and UV detection was used for the determination of two antichagasic drugs in human plasma: nifurtimox and benznidazole.
Altcheh, Jaime Marcelo +5 more
core +2 more sources
Journal of the Science of Food and Agriculture, EarlyView.Abstract Flammulina velutipes (enokitake) is an edible mushroom recognized for both its nutritional and medicinal properties. It exhibits a broad spectrum of biological activities, including antioxidant, anti‐inflammatory, antitumor, immunomodulatory, and gut microbiota‐regulating effects.
Rıdvan Özgen +2 more
wiley +1 more source
Speciation without chromatography: Part I. Determination of tributyltin in aqueous samples by chloride generation, headspace solid-phase microextraction and inductively coupled plasma time of flight mass spectrometry [PDF]
, 2001 An analytical procedure was developed for the determination of tributyltin in aqueous samples. The relatively high volatility of the organometal halide species confers suitability for their headspace sampling from the vapour phase above natural waters or
Lam, J. +4 more
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Determination of Trichloroethylene in Water by Liquid–Liquid Microextraction Assisted Solid Phase Microextraction [PDF]
Chromatography, 2015 A method for the determination of trichloroethylene (TCE) in water using portable gas chromatography/mass spectrometry (GC/MS) was developed. A novel sample preparation method, liquid–liquid microextraction assisted solid phase microextraction (LLME–SPME), is introduced.
Zhang, Mengliang, Harrington, Peter
openaire +1 more source
FoodsAlcoholic beverages are loved by the majority of consumers because of their diverse characteristics and rich nutritional value; thus, ensuring their quality is necessary for maintaining the rapid development of the alcoholic beverage industry.
Yue Qiu +6 more
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Journal of Saudi Chemical Society, 2014 Recently, increasing interest on the use of dispersive liquid–liquid microextraction (DLLME) developed in 2006 by Rezaee has been found in the field of separation science.
H.M. Al-Saidi, Adel A.A. Emara
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Mass Spectrometry Reviews, EarlyView.ABSTRACT Phytocannabinoids are bioactive metabolites derived from the Cannabis sativa plant. They have garnered attention due to their recreational uses and therapeutic potential. Although various analytical strategies have been employed for their analysis, mass spectrometry (MS) coupled to chromatographic separation is superior due to its sensitivity ...
Radwa Mahmoud +2 more
wiley +1 more source