Results 21 to 30 of about 56,272 (220)

Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry Combined with Sensory Evaluation for the Analysis of Volatile Aromatic Compounds in Apricot (Prunus armeniaca L.) Germplasm Resources Cultivated in Xinjiang, China. [PDF]

Foods
Zeng X, Zhang S, Geng W, Jin J, Liao K, Tang Z, Wang S, Zhou W.   +7 more
europepmc   +3 more sources

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

, 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, Carvalho, Lucia Maria Jaeger de, Fonseca, Renata Borchetta Fernandes, Rangel, Carolina Netto   +3 more
core   +3 more sources

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

Journal 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, Lina Wang, Wei Shen, Sheng Tang, Hian Kee Lee   +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

Química 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, Zenilda de Lourdes Cardeal   +1 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]

, 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., Maxwell, P., Mester, Z., Peter, L., Sturgeon, R.   +4 more
core   +1 more source

Novel Applications of Microextraction Techniques Focused on Biological and Forensic Analyses

Separations, 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, Martina Bonelli, Enrica Rosato, Angela Tartaglia, Halil İbrahim Ulusoy, Victoria Samanidou, Kenneth G. Furton, Abuzar Kabir, Imran Ali, Fabio Savini, Marcello Locatelli, Ugo de Grazia   +11 more
doaj   +1 more source

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

, 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., Afek U., Aggag M.E., Al-Ismail K.M., Arias Abrodo P., Arthur C.L., Berry M., Bisset N.G., Botz L., Choma I.M., Cinco M., Daniel M., Dóra Kertesy, Eloff J.N., Ernő Tyihák, Iordache A., Lis-Balchin M., Lord H., McKay D.L., Mincsovics E., Mincsovics E., Mincsovics E., Móricz M., Móricz M., Móricz M., Ojala T., Péter Ott, Repcák M., Riu-Aumatell M., Soliman K.M., Srivastava J.K., Szabolcs Szarka, Szőke, Szőke, Szőke, Tyihák E., Tyihák E., Weins C., Ágnes Móricz, Éva Héthelyi, Éva Szőke   +40 more
core   +1 more source

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

Frontiers 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, Sara Toufouki, Shun Yao, Dong Guo   +3 more
doaj   +1 more source

Determination of pesticides in fruit and fruit juices by chromatographic methods. An overview [PDF]

, 2011
In order to combat a variety of pests, pesticides are widely used in fruits. Several extraction procedures (liquid extraction, single drop microextraction, microwave-assisted extraction, pressurized liquid extraction, supercritical fluid extraction ...
Delerue-Matos, Cristina, Domingues, Valentina F., Fernandes, Virgínia C., Mateus, Nuno   +3 more
core   +1 more source

Application of Sorbent-Based Extraction Techniques in Food Analysis

Molecules, 2023
This review presents an outline of the application of the most popular sorbent-based methods in food analysis. Solid-phase extraction (SPE) is discussed based on the analyses of lipids, mycotoxins, pesticide residues, processing contaminants and flavor ...
Natalia Drabińska, Monika A. Marcinkowska, Martyna N. Wieczorek, Henryk H. Jeleń   +3 more
doaj   +1 more source