Results 21 to 30 of about 488,156 (285)

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

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

Amostragem de compostos orgânicos voláteis no ar utilizando a técnica de microextração em fase sólida Sampling of volatile organic compounds in air by solid phase microextraction

open access: yesQuímica Nova, 2005
The sampling of volatile organic compounds using solid phase microextraction is reviewed and its principles are described. The development and application of solid phase microextraction in the sampling of VOCs are presented and discussed.
Fabrício Vilela Parreira   +1 more
doaj   +1 more source

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

Novel Applications of Microextraction Techniques Focused on Biological and Forensic Analyses

open access: yesSeparations, 2022
In recent years, major attention has been focused on microextraction procedures that allow high recovery of target analytes, regardless of the complexity of the sample matrices.
Cristian D’Ovidio   +11 more
doaj   +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]

open access: yes, 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
core   +1 more source

Rethinking the Applications of Ionic Liquids and Deep Eutectic Solvents in Innovative Nano-Sorbents

open access: yesFrontiers in Chemistry, 2021
With the development of green chemistry and nano materials, new alternatives to traditional volatile solvents are one of many important hotspots in the field of nano materials.
Lirong Nie   +3 more
doaj   +1 more source

Solid-Phase Microextraction

open access: yes
Citation: 'solid-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.10276 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
Khaled Murtada, Janusz Pawliszyn
  +5 more sources

Home - About - Disclaimer - Privacy