Results 191 to 200 of about 61,447 (248)

Targeted Enrichment and Characterization of Diester Diterpenoid Alkaloids in <i>Aconitum</i> Herbs Using Gas-Liquid Microextraction Coupled with High-Resolution Mass Spectrometry. [PDF]

Molecules
Wang Y, Miao C, Wu J, Hua Y, Li X, Kang L, Qiu Z.   +6 more
europepmc   +1 more source

Analytical Methodologies for Benzo[a]pyrene in Foods: A Review of Advances in Sample Preparation and Detection Techniques. [PDF]

Foods
Yuan D, Zhang S, Hong B, Shan S, Zhang J, Wu Q, Sha D, Lu S, Ren C.   +8 more
europepmc   +1 more source

Vortex-assisted liquid-liquid microextraction for the simultaneous derivatization and extraction of five primary aliphatic amines in water sample. [PDF]

Sci Rep
Farajzadeh MA, Ebrahimi S, Mehri SM, Afshar Mogaddam MR.   +3 more
europepmc   +1 more source

Green and simple microextraction method based on deep eutectic solvent-assisted smartphone digital imaging colorimetry (SDIC) for Rhodamine B analysis in food products. [PDF]

Anal Bioanal Chem
Tezcan B, Dalmaz A, Sivrikaya Özak S.
europepmc   +1 more source

Sustainable Anisaldehyde-Based Natural Deep Eutectic Solvent Dispersive Liquid-Liquid Microextraction for Monitoring Antibiotic Residues in Commercial Milk and Eggs: A Comprehensive Evaluation of Greenness, Practicality, Analytical Performance and Innovation. [PDF]

Foods
Shaaban H, Mostafa A, Alqarni AM, Alsalman M, Alkhalaf MA, Alrofaidi MA, Al Khzem AH, Alturki MS.   +7 more
europepmc   +1 more source

Deep eutectic solvent-Ferrofluid based single-step magnetic-assisted liquid-liquid microextraction for Pyrethroid residues determination in vegetable oils by GC-MS/MS. [PDF]

Food Chem X
Yu J, Liu Y, Wang C, Chen M, Nie C, Liu W.   +5 more
europepmc   +1 more source

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Liquid-phase microextraction

TrAC - Trends in Analytical Chemistry, 2010
Abstract The development of faster, simpler, inexpensive and more environmentally-friendly sample-preparation techniques is an important issue in chemical analysis. Recent research trends involve miniaturization of the traditional liquid-liquid-extraction principle by greatly reducing the acceptor-to-donor ratio.
Ali Sarafraz-Yazdi, Amirhassan Amiri
exaly   +2 more sources

Microextraction of drugs

Journal of Chromatography A, 2000
This review will attempt to provide an overview as well as a theoretical and practical understanding of the use of microextraction technologies for drug analysis. The majority of the published reports to date focus on the use of fibre solid-phase microextraction and so the review is significantly focused on this technology.
H, Lord, J, Pawliszyn
openaire   +2 more sources

Microextraction on a screw

Analytica Chimica Acta, 2019
For the first time, a rapid, efficient, simple, and inexpensive approach for solid phase microextraction on a screw (MES) was developed. MES is a miniaturized form of solid-phase extraction without any backpressure. In this system, analytes were adsorbed on the surface of micro channels of a screw that was coated by polypyrrole (PPy).
Mahmoud Tabibpour, Yadollah Yamini, Hamid Ahmadi   +2 more
openaire   +2 more sources