Results 1 to 10 of about 9,324 (214)

Comparison of Sin-QuEChERS Nano and d-SPE Methods for Pesticide Multi-Residues in Lettuce and Chinese Chives

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, Quanshun An, Changpeng Zhang, Canping Pan, Zhiheng Zhang   +4 more
doaj   +2 more sources

Determination of 10 Tetracycline Antibiotics in Fruit Products and Meat Sauce by QuEChERS with Ultra Performance Liquid Chromatography-Triple Quadrupole Tandem Mass Spectrometry

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, Huixin TANG, Shuo LI, Ling MA, Ke WANG, Lili YANG   +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

Simultaneous Determination of 46 Pesticide Residues in Tomatoes by QuEChERS Method Combined with Gas Chromatography-Mass Spectrometry

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, Tingting LI, Pan LIU, Li ZHOU, Xingquan REN, Rong WANG   +5 more
doaj   +1 more source

Residue Levels and Chronic Dietary Intake Risk of Pesticide Residues in Fruits and Vegetables in Chengdu

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, Hui LI, Chunmei LI, Qiang HE, Zhan HUANG, Jiangtao CHEN, Pengyan LV, Meijie SONG, Qingsong LI, Hong LIU, Ao LI   +10 more
doaj   +1 more source

Verification of QuEChERS Method for the Analysis of Pesticide Residues and Their Risk Assessment in Some Fruits Grown in Tokat, Turkey

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, Muammer Kanbolat, Tarık Balkan   +2 more
doaj   +1 more source

Quechers approach to the Alternaria mycotoxins detection in wheat: The recovery study [PDF]

Zbornik Matice Srpske za Prirodne Nauke, 2022
The performance of the QuEChERS extraction followed by the LC-MS/ MS analytical method was evaluated in terms of Alternaria mycotoxins recovery from the wheat.
Bursić Vojislava P., Vuković Gorica Lj., Stojanović Tijana N., Marinković Dušan S., Puvača Nikola M., Petrović Aleksandra P., Konstantinović Bojan B., Popov Milena M., Samardžić Nataša M.   +8 more
doaj   +1 more source

Development and Validation GC/MS Method for Methamphetamine Analysis in Urine by Miniaturization QuEChERS

Science and Technology Indonesia, 2023
This paper explains the development of a quick and easy gas chromatography (GC) approach to identify methamphetamine in urine. This research used gas chromatography with mass spectroscopy and a capillary column TG-5SILMS (5% phenyl methyl siloxane, 30 m ...
Soraya Aulia, Riesta Primaharinastiti, Djoko Agus Purwanto   +2 more
doaj   +1 more source

Combined (d)SPE-QuEChERS Extraction of Mycotoxins in Mixed Feed Rations and Analysis by High Performance Liquid Chromatography-High-Resolution Mass Spectrometry

Toxins, 2020
The objective of this work was the development of a methodology capable of simultaneously determine 26 mycotoxins in mixed feed rations collected in 20 dairy farms.
Rocio Facorro, Maria Llompart, Thierry Dagnac   +2 more
doaj   +1 more source

Determination of 14 Anabolic Androgenic Steroids in Animal Derived Foods by QuEChERS-High Performance Liquid Chromatography-Tandem Mass Spectrometry

Shipin gongye ke-ji, 2022
A method was developed for the determination of 14 anabolic androgenic steroids including trenbolone, boldenone and nandrolone in animal derived foods by liquid chromatography-tandem mass spectrometry.
Jing WANG, Haichao ZHANG, Haitao JIA, Lianfeng AI   +3 more
doaj   +1 more source