Results 101 to 110 of about 635,398 (265)

Hollow-Fibre Liquid-Phase Microextraction

Citation: 'hollow-fibre liquid-phase microextraction' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.10280 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual ...
Frederik André Hansen, Stig Pedersen-Bjergaard   +1 more
openaire   +2 more sources

Trends in extraction and purification methods of Lignans in plant-derived foods

Food Chemistry: X
Lignans are widely used as dietary supplements within health foods. However, excess addition of lignans can induce adverse reactions, therefore, it is necessary to develop rapid, effective, economical, and environmentally friendly extraction and ...
Yu-tong Yang, Yuan Zhang, Yu Bian, Juan Zhu, Xue-song Feng   +4 more
doaj   +1 more source

A headspace solid-phase microextraction method of use in monitoring hexanal and pentane during storage: Application to liquid infant foods and powdered infant formulas [PDF]

, 2006
The determination of two secondary lipid oxidation compounds (hexanal and pentane) in liquid infant foods using a headspace solid-phase microextraction gas chromatographic (HS-SPME-GC) method has been developed and validated.
Adams, Ai, American Chemical Society (ACS) Committee on Environmental Improvement, Arthur, Brunton, Buttery, Doleschall, Doleschall, Dupuy, Fenaille, Fernando Romero, Frankel, Frankel, Frankel, Frankel, Frankel, Frankel, Gianelli, Goodridge, Guadalupe García-Llatas, Jelen, Lagarda, Löliger, Marsili, Marsili, María Jesús Lagarda, Park, Pedro Abellán, Przygonski, Robards, Romeu-Nadal, Rosaura Farré, Sanches-Silva, Snyder, Ulberth, Vichi, Yang, Zhang   +37 more
core   +1 more source

Electrochemical Process for Diazinon Removal from Aqueous Media: Design of Experiments, Optimization, and DLLME-GC-FID Method for Diazinon Determination [PDF]

, 2015
In the present study, electrochemical process was studied via removal of diazinon (O,O-diethyl O-2-isopropyl-6-methylpyrimidin-4-yl phosphorothioate) as an insecticide/ acaricide organic case study.
Daraei, H., Faez, E., Hosseini, G., Maleki, A., Shahamat, Y.D.   +4 more
core   +1 more source

Research advances in sample pretreatment techniques for pesticide residues

Journal of Chromatography Open
Pesticide residue analysis is fundamental to food safety and environmental protection, where sample pretreatment critically determines detection accuracy.
Jiarong Cui, Fengshou Dong
doaj   +1 more source

Use of headspace solid-phase microextraction for the analysis and characterisation of volatile compounds in rumen contents : a thesis presented in partial fulfillment of the requirements for the degree of Masterate of Science in Chemistry at Massey University [PDF]

, 2005
Appendix 2&3 removed due to copyright restrictions. Please consult print copy in Library.Volatile fatty acids (VFAs), alkyl phenols and indolic compounds are produced by rumen microbes during the fermentation of forages in ruminants.
Lu, Shengyi
core  

Headspace solid phase microextraction (spme) analysis of flavor compounds in wines. Effect of the matrix volatile composition in the relative response factors in a wine model [PDF]

, 2001
The application of headspace solid phase microextraction (SPME) for flavor analysis has been studied. Headspace SPME sampling was tested for nine common wine flavor compounds in 10% (v/v) aqueous ethanol: linalool, nerol, geraniol, 3-methyl-1-butanol ...
Barros, António S., Coimbra, Manuel A., Delgadillo, Ivonne, Martins, Vitor Manuel Ramalheira, Rocha, Sílvia   +4 more
core   +1 more source

Advances in Toxins and Narcotics Determination Techniques in China During 2013

Journal of Forensic Science and Medicine, 2015
Recently, toxin and narcotics detection techniques have been developed in China. A number of new technologies have been applied. The pretreatment technologies such as solid-phase extraction (SPE) techniques, solid-phase microextraction (SPME) techniques,
Ling Zeng, Zhicheng Liu, Xu Han, Hongxia Hao   +3 more
doaj   +1 more source

Analysis of Mars Analogue Soil Samples Using Solid-Phase Microextraction, Organic Solvent Extraction and Gas Chromatography/Mass Spectrometry [PDF]

, 2011
Polycyclic aromatic hydrocarbons (PAHs) are robust and abundant molecules in extraterrestrial environments. They are found ubiquitously in the interstellar medium and have been identified in extracts of meteorites collected on Earth.
Ehrenfreund, P., Foing, B. H., Kanik, I., Kidd, R. D., Orzechowska, G. E., Stoker, C.   +5 more
core   +2 more sources

Recent Trends in Microextraction Techniques Employed in Analytical and Bioanalytical Sample Preparation

Separations, 2017
Sample preparation has been recognized as a major step in the chemical analysis workflow. As such, substantial efforts have been made in recent years to simplify the overall sample preparation process.
Abuzar Kabir, Marcello Locatelli, Halil Ibrahim Ulusoy   +2 more
doaj   +1 more source