Development of automated online gel permeation chromatography-gas chromatograph mass spectrometry for measuring multiresidual pesticides in agricultural products.
Identifieur interne : 002397 ( Main/Merge ); précédent : 002396; suivant : 002398Development of automated online gel permeation chromatography-gas chromatograph mass spectrometry for measuring multiresidual pesticides in agricultural products.
Auteurs : Li-Bin Liu [République populaire de Chine] ; Yuki Hashi ; Ya-Ping Qin ; Hai-Xia Zhou ; Jin-Ming LinSource :
- Journal of chromatography. B, Analytical technologies in the biomedical and life sciences [ 1570-0232 ] ; 2007.
English descriptors
- KwdEn :
- Automation, Brassica (chemistry), Chromatography, Gel (methods), Citrus sinensis (chemistry), Crops, Agricultural (chemistry), Cucumis sativus (chemistry), Daucus carota (chemistry), Food Contamination (analysis), Gas Chromatography-Mass Spectrometry (methods), Malus (chemistry), Online Systems, Oryza (chemistry), Pesticide Residues (analysis), Pesticides (analysis), Reproducibility of Results, Solanum tuberosum (chemistry).
- MESH :
- chemical , analysis : Pesticide Residues, Pesticides.
- analysis : Food Contamination.
- chemistry : Brassica, Citrus sinensis, Crops, Agricultural, Cucumis sativus, Daucus carota, Malus, Oryza, Solanum tuberosum.
- methods : Chromatography, Gel, Gas Chromatography-Mass Spectrometry.
- Automation, Online Systems, Reproducibility of Results.
Abstract
An automated online gel permeation chromatography-gas chromatograph mass spectrometer (GPC-GC/MS) was developed for the rapid determination of residual pesticides in agricultural products. Pesticides were extracted from homogenized food samples with acetonitrile and decontaminated via the matrix solid-phase dispersion (MSPD) technique, using a primary secondary amine as sorbent prior to GPC-GC/MS analysis. A slightly modified preparation method and automated GPC step proved useful in minimizing matrix interference. To evaluate the performance of the system, 97 target pesticides were spiked at a concentration of 0.1mg/kg into a range of food types, including potato, cabbage, carrot, apple, orange, cucumber, and rice. A low flow rate of 0.1 mL/min in GPC resulted in a 40-fold reduction in solvent consumption compared with conventional GPC column applications. The combination of MSPD technique and GPC-GC/MS for the analysis of the 97 pesticides can be accomplished within 90 min. Most pesticides were recovered in the range of 70-120%, with relative standard deviation generally less than 10%. The results demonstrate that the method can be successfully applied with acceptable recoveries to a broad range of target pesticides within a diverse range of food types.
DOI: 10.1016/j.jchromb.2006.07.032
PubMed: 16931180
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Development of automated online gel permeation chromatography-gas chromatograph mass spectrometry for measuring multiresidual pesticides in agricultural products.</title><author><name sortKey="Liu, Li Bin" sort="Liu, Li Bin" uniqKey="Liu L" first="Li-Bin" last="Liu">Li-Bin Liu</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, PO Box 2871, Beijing 100085, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, PO Box 2871, Beijing 100085</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Hashi, Yuki" sort="Hashi, Yuki" uniqKey="Hashi Y" first="Yuki" last="Hashi">Yuki Hashi</name></author><author><name sortKey="Qin, Ya Ping" sort="Qin, Ya Ping" uniqKey="Qin Y" first="Ya-Ping" last="Qin">Ya-Ping Qin</name></author><author><name sortKey="Zhou, Hai Xia" sort="Zhou, Hai Xia" uniqKey="Zhou H" first="Hai-Xia" last="Zhou">Hai-Xia Zhou</name></author><author><name sortKey="Lin, Jin Ming" sort="Lin, Jin Ming" uniqKey="Lin J" first="Jin-Ming" last="Lin">Jin-Ming Lin</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2007">2007</date><idno type="RBID">pubmed:16931180</idno><idno type="pmid">16931180</idno><idno type="doi">10.1016/j.jchromb.2006.07.032</idno><idno type="wicri:Area/PubMed/Corpus">000B76</idno><idno type="wicri:Area/PubMed/Curation">000B76</idno><idno type="wicri:Area/PubMed/Checkpoint">000B76</idno><idno type="wicri:Area/Ncbi/Merge">000618</idno><idno type="wicri:Area/Ncbi/Curation">000618</idno><idno type="wicri:Area/Ncbi/Checkpoint">000618</idno><idno type="wicri:doubleKey">1570-0232:2007:Liu L:development:of:automated</idno><idno type="wicri:Area/Main/Merge">002397</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Development of automated online gel permeation chromatography-gas chromatograph mass spectrometry for measuring multiresidual pesticides in agricultural products.</title><author><name sortKey="Liu, Li Bin" sort="Liu, Li Bin" uniqKey="Liu L" first="Li-Bin" last="Liu">Li-Bin Liu</name><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, PO Box 2871, Beijing 100085, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, PO Box 2871, Beijing 100085</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Hashi, Yuki" sort="Hashi, Yuki" uniqKey="Hashi Y" first="Yuki" last="Hashi">Yuki Hashi</name></author><author><name sortKey="Qin, Ya Ping" sort="Qin, Ya Ping" uniqKey="Qin Y" first="Ya-Ping" last="Qin">Ya-Ping Qin</name></author><author><name sortKey="Zhou, Hai Xia" sort="Zhou, Hai Xia" uniqKey="Zhou H" first="Hai-Xia" last="Zhou">Hai-Xia Zhou</name></author><author><name sortKey="Lin, Jin Ming" sort="Lin, Jin Ming" uniqKey="Lin J" first="Jin-Ming" last="Lin">Jin-Ming Lin</name></author></analytic><series><title level="j">Journal of chromatography. B, Analytical technologies in the biomedical and life sciences</title><idno type="ISSN">1570-0232</idno><imprint><date when="2007" type="published">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Automation</term><term>Brassica (chemistry)</term><term>Chromatography, Gel (methods)</term><term>Citrus sinensis (chemistry)</term><term>Crops, Agricultural (chemistry)</term><term>Cucumis sativus (chemistry)</term><term>Daucus carota (chemistry)</term><term>Food Contamination (analysis)</term><term>Gas Chromatography-Mass Spectrometry (methods)</term><term>Malus (chemistry)</term><term>Online Systems</term><term>Oryza (chemistry)</term><term>Pesticide Residues (analysis)</term><term>Pesticides (analysis)</term><term>Reproducibility of Results</term><term>Solanum tuberosum (chemistry)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Pesticide Residues</term><term>Pesticides</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Food Contamination</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Brassica</term><term>Citrus sinensis</term><term>Crops, Agricultural</term><term>Cucumis sativus</term><term>Daucus carota</term><term>Malus</term><term>Oryza</term><term>Solanum tuberosum</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Chromatography, Gel</term><term>Gas Chromatography-Mass Spectrometry</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Automation</term><term>Online Systems</term><term>Reproducibility of Results</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">An automated online gel permeation chromatography-gas chromatograph mass spectrometer (GPC-GC/MS) was developed for the rapid determination of residual pesticides in agricultural products. Pesticides were extracted from homogenized food samples with acetonitrile and decontaminated via the matrix solid-phase dispersion (MSPD) technique, using a primary secondary amine as sorbent prior to GPC-GC/MS analysis. A slightly modified preparation method and automated GPC step proved useful in minimizing matrix interference. To evaluate the performance of the system, 97 target pesticides were spiked at a concentration of 0.1mg/kg into a range of food types, including potato, cabbage, carrot, apple, orange, cucumber, and rice. A low flow rate of 0.1 mL/min in GPC resulted in a 40-fold reduction in solvent consumption compared with conventional GPC column applications. The combination of MSPD technique and GPC-GC/MS for the analysis of the 97 pesticides can be accomplished within 90 min. Most pesticides were recovered in the range of 70-120%, with relative standard deviation generally less than 10%. The results demonstrate that the method can be successfully applied with acceptable recoveries to a broad range of target pesticides within a diverse range of food types.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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