Surface molecularly imprinted polymers with synthetic dummy template for simultaneously selective recognition of nine phthalate esters.
Identifieur interne : 000907 ( Main/Exploration ); précédent : 000906; suivant : 000908Surface molecularly imprinted polymers with synthetic dummy template for simultaneously selective recognition of nine phthalate esters.
Auteurs : Jia-Hong Hu [République populaire de Chine] ; Ting Feng [République populaire de Chine] ; Wei-Lu Li [République populaire de Chine] ; Hong Zhai [République populaire de Chine] ; Yuan Liu [République populaire de Chine] ; Li-Yun Wang [République populaire de Chine] ; Chen-Lei Hu [République populaire de Chine] ; Meng-Xia Xie [République populaire de Chine]Source :
- Journal of chromatography. A [ 1873-3778 ] ; 2014.
English descriptors
- KwdEn :
- Adsorption, Amino Acids (chemical synthesis), Amino Acids (chemistry), Beverages (analysis), Citrus sinensis, Cross-Linking Reagents (chemistry), Esters, Fruit, Gas Chromatography-Mass Spectrometry (methods), Molecular Imprinting, Phthalic Acids (analysis), Phthalic Acids (chemical synthesis), Phthalic Acids (chemistry), Silanes (chemistry), Silica Gel, Siloxanes (chemical synthesis), Siloxanes (chemistry), Solid Phase Extraction (methods).
- MESH :
- chemical , analysis : Phthalic Acids.
- chemical , chemical synthesis : Amino Acids, Phthalic Acids, Siloxanes.
- chemical , chemistry : Amino Acids, Cross-Linking Reagents, Phthalic Acids, Silanes, Siloxanes.
- analysis : Beverages.
- methods : Gas Chromatography-Mass Spectrometry, Solid Phase Extraction.
- Adsorption, Citrus sinensis, Esters, Fruit, Molecular Imprinting, Silica Gel.
Abstract
Dummy template molecularly imprinted polymers (DMIPs) on silica gel particles for simultaneously selective recognition of nine phthalate esters have been prepared. A novel dummy template molecule with similar structural skeleton to the phthalate ester, diethyl N,N'-phthaloyl-bis(11-aminoundecanoate), has been designed and synthesized. The DMIP films were grafted on the surface of silica gel particles by a sol-gel process with 3-aminopropyltriethoxysilane (APTES) and tetramethoxysilane (TEOS) as functional monomer and cross-linker, respectively, and the obtained sorbents have been characterized by FTIR with diffuse reflectance accessory. The maximum static adsorption capacities of the DMIPs and NIP sorbents for the nine phthalate esters were 281 and 132mg/g respectively, and the results of dynamic adsorption showed that the adsorption equilibrium could be achieved about 5min for the DMIPs sorbents. The imprint factors of the sorbents ranged from 1.8 to 3.0 for eight of the phthalate esters except for Diamyl phthalate, which indicated that the DMIPs sorbents have high selectivity. The competitive experiments of the nine phthalates with some of their analogues on the sorbents illustrated that the DMIPs sorbents have high specificity for the phthalates. A GC-MS method for determination of the phthalate residues in fruit juice have been developed with the DMIPs as sorbents for the solid phase extraction (SPE) in the sample pretreatment procedures. The spiking recoveries of the phthalates were in the range of 72-100.2% with relative standard deviations lower than 10.2%. The results indicated that the obtained sorbents could specifically recognize the phthalates from complex matrices, which provide a new train of thought for preparing the DMIPs sorbents.
DOI: 10.1016/j.chroma.2014.01.008
PubMed: 24461641
Affiliations:
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type="wicri:Area/Main/Exploration">000907</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Surface molecularly imprinted polymers with synthetic dummy template for simultaneously selective recognition of nine phthalate esters.</title><author><name sortKey="Hu, Jia Hong" sort="Hu, Jia Hong" uniqKey="Hu J" first="Jia-Hong" last="Hu">Jia-Hong Hu</name><affiliation wicri:level="1"><nlm:affiliation>Analytical & Testing Center of Beijing Normal University, Beijing 100875, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Analytical & Testing Center of Beijing Normal University, Beijing 100875</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Feng, Ting" sort="Feng, Ting" uniqKey="Feng T" first="Ting" last="Feng">Ting Feng</name><affiliation wicri:level="1"><nlm:affiliation>Analytical & Testing Center of Beijing Normal University, Beijing 100875, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Analytical & Testing Center of Beijing Normal University, Beijing 100875</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Li, Wei Lu" sort="Li, Wei Lu" uniqKey="Li W" first="Wei-Lu" last="Li">Wei-Lu Li</name><affiliation wicri:level="1"><nlm:affiliation>Analytical & Testing Center of Beijing Normal University, Beijing 100875, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Analytical & Testing Center of Beijing Normal University, Beijing 100875</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Zhai, Hong" sort="Zhai, Hong" uniqKey="Zhai H" first="Hong" last="Zhai">Hong Zhai</name><affiliation wicri:level="1"><nlm:affiliation>Analytical & Testing Center of Beijing Normal University, Beijing 100875, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Analytical & Testing Center of Beijing Normal University, Beijing 100875</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Liu, Yuan" sort="Liu, Yuan" uniqKey="Liu Y" first="Yuan" last="Liu">Yuan Liu</name><affiliation wicri:level="1"><nlm:affiliation>Analytical & Testing Center of Beijing Normal University, Beijing 100875, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Analytical & Testing Center of Beijing Normal University, Beijing 100875</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Wang, Li Yun" sort="Wang, Li Yun" uniqKey="Wang L" first="Li-Yun" last="Wang">Li-Yun Wang</name><affiliation wicri:level="1"><nlm:affiliation>Analytical & Testing Center of Beijing Normal University, Beijing 100875, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Analytical & Testing Center of Beijing Normal University, Beijing 100875</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Hu, Chen Lei" sort="Hu, Chen Lei" uniqKey="Hu C" first="Chen-Lei" last="Hu">Chen-Lei Hu</name><affiliation wicri:level="1"><nlm:affiliation>Analytical & Testing Center of Beijing Normal University, Beijing 100875, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Analytical & Testing Center of Beijing Normal University, Beijing 100875</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Xie, Meng Xia" sort="Xie, Meng Xia" uniqKey="Xie M" first="Meng-Xia" last="Xie">Meng-Xia Xie</name><affiliation wicri:level="1"><nlm:affiliation>Analytical & Testing Center of Beijing Normal University, Beijing 100875, China. Electronic address: xiemx@bnu.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Analytical & Testing Center of Beijing Normal University, Beijing 100875</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author></analytic><series><title level="j">Journal of chromatography. A</title><idno type="eISSN">1873-3778</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adsorption</term><term>Amino Acids (chemical synthesis)</term><term>Amino Acids (chemistry)</term><term>Beverages (analysis)</term><term>Citrus sinensis</term><term>Cross-Linking Reagents (chemistry)</term><term>Esters</term><term>Fruit</term><term>Gas Chromatography-Mass Spectrometry (methods)</term><term>Molecular Imprinting</term><term>Phthalic Acids (analysis)</term><term>Phthalic Acids (chemical synthesis)</term><term>Phthalic Acids (chemistry)</term><term>Silanes (chemistry)</term><term>Silica Gel</term><term>Siloxanes (chemical synthesis)</term><term>Siloxanes (chemistry)</term><term>Solid Phase Extraction (methods)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Phthalic Acids</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemical synthesis" xml:lang="en"><term>Amino Acids</term><term>Phthalic Acids</term><term>Siloxanes</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Amino Acids</term><term>Cross-Linking Reagents</term><term>Phthalic Acids</term><term>Silanes</term><term>Siloxanes</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Beverages</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Gas Chromatography-Mass Spectrometry</term><term>Solid Phase Extraction</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adsorption</term><term>Citrus sinensis</term><term>Esters</term><term>Fruit</term><term>Molecular Imprinting</term><term>Silica Gel</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Dummy template molecularly imprinted polymers (DMIPs) on silica gel particles for simultaneously selective recognition of nine phthalate esters have been prepared. A novel dummy template molecule with similar structural skeleton to the phthalate ester, diethyl N,N'-phthaloyl-bis(11-aminoundecanoate), has been designed and synthesized. The DMIP films were grafted on the surface of silica gel particles by a sol-gel process with 3-aminopropyltriethoxysilane (APTES) and tetramethoxysilane (TEOS) as functional monomer and cross-linker, respectively, and the obtained sorbents have been characterized by FTIR with diffuse reflectance accessory. The maximum static adsorption capacities of the DMIPs and NIP sorbents for the nine phthalate esters were 281 and 132mg/g respectively, and the results of dynamic adsorption showed that the adsorption equilibrium could be achieved about 5min for the DMIPs sorbents. The imprint factors of the sorbents ranged from 1.8 to 3.0 for eight of the phthalate esters except for Diamyl phthalate, which indicated that the DMIPs sorbents have high selectivity. The competitive experiments of the nine phthalates with some of their analogues on the sorbents illustrated that the DMIPs sorbents have high specificity for the phthalates. A GC-MS method for determination of the phthalate residues in fruit juice have been developed with the DMIPs as sorbents for the solid phase extraction (SPE) in the sample pretreatment procedures. The spiking recoveries of the phthalates were in the range of 72-100.2% with relative standard deviations lower than 10.2%. The results indicated that the obtained sorbents could specifically recognize the phthalates from complex matrices, which provide a new train of thought for preparing the DMIPs sorbents.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country><settlement><li>Pékin</li></settlement></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Hu, Jia Hong" sort="Hu, Jia Hong" uniqKey="Hu J" first="Jia-Hong" last="Hu">Jia-Hong Hu</name></noRegion><name sortKey="Feng, Ting" sort="Feng, Ting" uniqKey="Feng T" first="Ting" last="Feng">Ting Feng</name><name sortKey="Hu, Chen Lei" sort="Hu, Chen Lei" uniqKey="Hu C" first="Chen-Lei" last="Hu">Chen-Lei Hu</name><name sortKey="Li, Wei Lu" sort="Li, Wei Lu" uniqKey="Li W" first="Wei-Lu" last="Li">Wei-Lu Li</name><name sortKey="Liu, Yuan" sort="Liu, Yuan" uniqKey="Liu Y" first="Yuan" last="Liu">Yuan Liu</name><name sortKey="Wang, Li Yun" sort="Wang, Li Yun" uniqKey="Wang L" first="Li-Yun" last="Wang">Li-Yun Wang</name><name sortKey="Xie, Meng Xia" sort="Xie, Meng Xia" uniqKey="Xie M" first="Meng-Xia" last="Xie">Meng-Xia Xie</name><name sortKey="Zhai, Hong" sort="Zhai, Hong" uniqKey="Zhai H" first="Hong" last="Zhai">Hong Zhai</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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