Results 81 to 90 of about 19,418 (264)
Application of gas chromatography time-of-flight mass spectrometry for target and non-target analysis of pesticide residues in fruits and vegetables [PDF]
, 2012 In this work, the capability of gas chromatography coupled to time-of-flight mass spectrometry (GC–TOF MS) for quantitative analysis of pesticide residues has been evaluated. A multiclass method for rapid screening of pesticides (insecticides, acaricides,
Beltran Arandes, Joaquin +4 more
core +1 more source
Journal of Separation Science, Volume 49, Issue 2, February 2026.ABSTRACT The determination of pesticide residues in spices is analytically challenging due to their high content of essential oils and secondary metabolites that could interfere with detection and quantification. In this study, supercritical fluid extraction (SFE), using green co‐solvents, was evaluated for the extraction of 44 pesticides from black ...
Alessia Arena +2 more
wiley +1 more source
Journal of Pure and Applied MicrobiologyMethicillin resistant Staphylococcus aureus harbouring other virulence factors in food is a serious threat to food safety. Delayed detection of MRSA may lead to fatal consequences due to the challenging treatment methods.
Mariya Tomy +3 more
doaj +1 more source
Zhongguo shipin weisheng zazhi, 2020 Objective To establish a method for determination of 6 kinds of carbamate pesticides and 3 kinds of chloronicotinyl pesticides in Chinese Kushui rose by ultra high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) coupled with ...
Lin ZHANG +5 more
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Fast Determination of 20 Pesticides Residues in Wheat Using QuEChERS-modified and GC-MS/MS
Liang you shipin ke-ji, 2022 A method for the determination of 20 pesticides residues in wheat by QuEChERS coupled with GC-MS/MS was developed. The effect of sorbent for purification was investigated. The matrix effect was also studied.
PENG Xing-xing +2 more
doaj +1 more source
Validation of an Analytical Method for Determination of Benzoapyrene Bread using QuEChERS Method by GC-MS [PDF]
, 2016 A fast and simple modified QuEChERS (quick, easy, cheap, rugged and safe) extraction method based on spiked calibration curves and direct sample introduction was developed for determination of Benzo[a]pyrene (BaP) in bread by gas chromatography-mass ...
Bayat, Mitra. +7 more
core +1 more source
Advanced Functional Materials, Volume 36, Issue 2, 5 January 2026.Discover bio‐inspired fungicide‐loaded lignin nanocarriers that mimic host‐pathogen interactions, unleashing targeted fungicide release in response to glutathione and laccase. These innovative biobased nanocarriers promise superior crop protection, with increased photostability, enhanced foliar retention, and enabling bidirectional translocation for a ...
Wenlong Liang +4 more
wiley +1 more source
Shipin gongye ke-jiAn analysis method for simultaneous determination of 47 kinds of pesticide residues in tea was established by QuEChERS method combined with ultra performance liquid chromatography-tandem mass spectrometry.
Huawen LIU, Meiqing DENG, Beiyan CHEN
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Zhejiang Daxue xuebao. Lixue ban, 2017 建立了超高效液相色谱串联质谱法测定水产品中的红霉素残留量.样品用改进的QuEChERS（快速、简单、廉价、高效、灵活和安全）进行提取净化，经乙腈快速提取，无水硫酸镁和氯化钠除水后，用N-丙基乙二胺(PSA)净化，液相色谱串联质谱分析测定.在ACQUITY UPLC BEH C18色谱柱上进行分离，采用梯度洗脱，以0.1%甲酸水溶液和甲醇为流动相，电喷雾正离子电离，多反应监测模式，内标法定量.结果表明：红霉素浓度在0.5~50 µg • L-1时具有良好的线性关系，相关系数为0.997 6，定量限为0.3
YANZhongyong(严忠雍) +7 more
doaj +1 more source
Zhongguo shipin weisheng zazhi, 2020 Objective To establish a method for the determination of norfloxacin, ciprofloxacin, lomefloxacin, enrofloxacin, ofloxacin and pefloxacin in aquatic products by QuEChERS with ultra performance liquid chromatographytandem mass spectrometry (UPLC-MS/MS ...
Rongxuan XUE +4 more
doaj +1 more source