Results 41 to 50 of about 9,758 (222)
Dissipation of methomyl residues in tomato fruits, soil and water using LC-MS/MS
Journal of Plant Protection Research, 2019 Tomato is an economically important vegetable crop which is attacked heavily by insect pests leading to reduction of yield and quality of the fruits. Field experiments were carried out to investigate the dissipation of methomyl (a common insecticide ...
Dalia El-Hefny +3 more
doaj +1 more source
QuEChERS-näytteenkäsittelymenetelmän kehittäminen lääkeaineiden monijäämäseulonnalle maidosta [PDF]
, 2021 Ruokavirastossa tutkitaan lääkeainejäämiä eläinperäisistä elintarvikkeista viranomaisvalvontaan kuuluvassa vierasainevalvontaohjelmassa. Jäämien seulontaan käytettävät menetelmät ovat joko LC-MS/MS-, GC-MS/MS- tai ELISA-tekniikkaan perustuvia. Kyseisillä
Lund, Maria
core
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
, 2023 Objective: An optimized quick, easy, cheap, effective, rugged, and safe (QuEChERS) technique was investigated and compared with the conventional QuEChERS technique for the simultaneous analysis of fifty-three pesticide residues in safflower using ultra ...
Yuxin Liu +9 more
core +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
A really quick easy cheap effective rugged and safe (QuEChERS) extraction procedure for the analysis of particle-bound PAHs in ambient air and emission samples [PDF]
, 2013 International audienceA quick easy cheap effective rugged and safe (QuEChERS) like extraction procedure is presented for the measurement of polycyclic aromatic hydrocarbons (PAHs) associated to particulate matter from ambient air or combustion process ...
Albinet, Alexandre +2 more
core +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 the Science of Food and Agriculture, EarlyView.Abstract Mycotoxins remain a persistent threat to the safety and quality of cereal grains and other agricultural products, and their impact on human health continues to raise global concerns. In many situations, the practices traditionally used to control these toxins are no longer sufficiently effective. They can be costly, difficult to implement on a
Abolfazl Asqardokht‐Aliabadi +2 more
wiley +1 more source
SWIEET—a salt-free alternative to QuEChERS
Analytical and Bioanalytical ChemistryAbstract The efficient extraction of various analytes from a wide spectrum of matrices with organic solvents is still a great challenge in analytical chemistry. Especially polar and charged compounds are hard to extract in combination with neutral analytes of intermediate to low polarity.
Nadja Kalinke +4 more
openaire +2 more sources
Temas Agrarios, 2015 The use of pesticides on maize crops during and after harvest constitutes a serious health and environmental risk if its prevalence remains during the consumption line.
Martha I. Páez, Jina M. Martínez
doaj +1 more source