Results 1 to 10 of about 19,418 (264)
Modified QuEChERS for antiepileptic drugs detection in forensic toxicology. [PDF]
MethodsXThis study aims to concurrently assess the blood concentrations of antiepileptic drugs including phenobarbital, carbamazepine, primidone, phenytoin in post-mortem samples through the application modified QuEChERS extraction. The serum samples were extracted and then purified using magnesium sulfate, PSA, and C18 sorbents and subsequently analyzed using
Shekari A +4 more
europepmc +3 more sources
Shipin gongye ke-ji, 2023 A method for the determination of 10 tetracycline antibiotics in fruit products and meat sauce was established by QuEChERS coupled with ultra performance liquid chromatography-triple quadrupole tandem mass spectrometry (UPLC-MS/MS).
Yue GU +5 more
doaj +1 more source
Rapid Determination of Five Alkaloids in Catering Crayfish by QuEChERS-UPLC-MS/MS
Shipin gongye ke-ji, 2023 In this study, a method for the determination of morphine, codeine, nacodine, papaverine and tibain residues in catering crayfish by ultra-high-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) was established.
Ling YU, Lihua SONG
doaj +1 more source
Determination of Thirty-five Veterinary Drug Residues in Black Chicken by Modified QuEChERS-Ultra High Performance Liquid Chromatography Tandem Mass Spectrometry [PDF]
Zhipu Xuebao, 2023 In this study, a modified QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) method with using a reduced graphene oxide-modified melamine sponge (r-GO@MeS) as matrix purification material was developed for the determination of 35 veterinary drug ...
JI Bao-cheng;YANG Lan-rui;CHENG Ying-xin;HOU Zhu-chen;LV Jia;XU Xu;BAI Yan-hong
doaj +1 more source
Shipin gongye ke-ji, 2023 An analysis method for simultaneous determination of 46 kinds of fungicides and insecticides residues in tomatoes by QuEChERS method combined with gas chromatography-mass spectrometry was established.
Xinhua XUE +5 more
doaj +1 more source
Pesticide-Residue Analysis in Soils by the QuEChERS Method: A Review
Molecules, 2022 Pesticides are among the most important contaminants worldwide due to their wide use, persistence, and toxicity. Their presence in soils is not only important from an environmental point of view, but also for food safety issues, since such residues can ...
M. González-Curbelo +2 more
semanticscholar +1 more source
Shipin gongye ke-ji, 2022 To investigate the pesticide residues in fruits and vegetables and their dietary risk to Chengdu residents. A total of 203 samples of 9 kinds of fruits and vegetables were collected from large farmer markets and supermarkets in Chengdu.
Wei CHANG +10 more
doaj +1 more source
Journal of Agricultural Sciences, 2023 This study sought to determine pesticide residues in some fruits in Tokat province, Turkey and to assess the health risks associated with the determined residues.
Kenan Kara +2 more
doaj +1 more source
Extraction and determination of Benzoyl-urea insecticides in some fresh fruits using dispersive liquid phase micro-extraction and HPLC method [PDF]
Bihdāsht-i Mavādd-i Ghaz̠āyī, 2021 To improve the quality and increase the shelf life of agricultural products, many pesticides are widely used. Although the use of pesticides in agricultural applications provides a wide range of beneficial effects, overuse of these substances results in ...
J. Khandaghi, M. R. Afshar Mogaddam
doaj +1 more source
Molecules, 2020 In this study, a new rapid cleanup method was developed for the analysis of 111 pesticide multi-residues in lettuce and Chinese chives by GC–MS/MS and LC–MS/MS. QuEChERS (quick, easy, cheap, effective, rugged and safe)-based sample extraction was used to
Yanjie Li +4 more
doaj +1 more source