Electroactive species-doped poly(3,4-ethylenedioxythiophene) films: enhanced sensitivity for electrochemical simultaneous determination of vitamins B2, B6 and C.
Identifieur interne : 000E66 ( Main/Exploration ); précédent : 000E65; suivant : 000E67Electroactive species-doped poly(3,4-ethylenedioxythiophene) films: enhanced sensitivity for electrochemical simultaneous determination of vitamins B2, B6 and C.
Auteurs : Tao Nie [République populaire de Chine] ; Jing-Kun Xu ; Li-Min Lu ; Kai-Xin Zhang ; Ling Bai ; Yang-Ping WenSource :
- Biosensors & bioelectronics [ 1873-4235 ] ; 2013.
English descriptors
- KwdEn :
- Ascorbic Acid (analysis), Beverages (analysis), Bicyclo Compounds, Heterocyclic (chemistry), Citrus sinensis (chemistry), Electrochemical Techniques (instrumentation), Electrodes, Ferricyanides (chemistry), Ferrous Compounds (chemistry), Polymers (chemistry), Riboflavin (analysis), Sensitivity and Specificity, Vitamin B 6 (analysis).
- MESH :
- chemical , analysis : Ascorbic Acid, Riboflavin, Vitamin B 6.
- analysis : Beverages.
- chemical , chemistry : Bicyclo Compounds, Heterocyclic, Citrus sinensis, Ferricyanides, Ferrous Compounds, Polymers.
- instrumentation : Electrochemical Techniques.
- Electrodes, Sensitivity and Specificity.
Abstract
Herein, functionalized PEDOT films were prepared by incorporation of two electroactive species, ferrocenecarboxylic acid (Fc(-)) and ferricyanide (Fe(CN)6(4-)) as doping anions during the electropolymerization of PEDOT at glassy carbon electrodes (GCEs) from aqueous solution. The electrochemically synthesized electroactive species-doped PEDOT films have been carefully characterized by scanning electron microscopy (SEM), FTIR and UV/Vis spectra and various electrochemical techniques. Such nanostructured films combined the advantages of PEDOT (high conductivity and stability) together with electroactive species (good electrochemical activity) and were applied as electrochemical sensors for simultaneous determination of vitamin B2 (VB2), vitamin B6 (VB6) and vitamin C (VC). The results showed that the oxidation peak currents of vitamins obtained at the GCEs modified with electroactive species-doped PEDOT films were much higher than those at the ClO4(-)-doped PEDOT films and bare GCEs. The experiment results also illustrated that the sensors possessed high selectivity with no interference from other potential competing species. Moreover, the proposed sensors were successfully employed for the determination of vitamins in orange juice samples with satisfactory results.
DOI: 10.1016/j.bios.2013.06.057
PubMed: 23871872
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Electroactive species-doped poly(3,4-ethylenedioxythiophene) films: enhanced sensitivity for electrochemical simultaneous determination of vitamins B2, B6 and C.</title><author><name sortKey="Nie, Tao" sort="Nie, Tao" uniqKey="Nie T" first="Tao" last="Nie">Tao Nie</name><affiliation wicri:level="1"><nlm:affiliation>Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China; College of Science, Jiangxi Agricultural University, Nanchang 330045, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China; College of Science, Jiangxi Agricultural University, Nanchang 330045</wicri:regionArea><placeName><settlement type="city">Nanchang</settlement><region type="province">Jiangxi</region></placeName></affiliation></author><author><name sortKey="Xu, Jing Kun" sort="Xu, Jing Kun" uniqKey="Xu J" first="Jing-Kun" last="Xu">Jing-Kun Xu</name></author><author><name sortKey="Lu, Li Min" sort="Lu, Li Min" uniqKey="Lu L" first="Li-Min" last="Lu">Li-Min Lu</name></author><author><name sortKey="Zhang, Kai Xin" sort="Zhang, Kai Xin" uniqKey="Zhang K" first="Kai-Xin" last="Zhang">Kai-Xin Zhang</name></author><author><name sortKey="Bai, Ling" sort="Bai, Ling" uniqKey="Bai L" first="Ling" last="Bai">Ling Bai</name></author><author><name sortKey="Wen, Yang Ping" sort="Wen, Yang Ping" uniqKey="Wen Y" first="Yang-Ping" last="Wen">Yang-Ping Wen</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:23871872</idno><idno type="pmid">23871872</idno><idno type="doi">10.1016/j.bios.2013.06.057</idno><idno type="wicri:Area/PubMed/Corpus">000405</idno><idno type="wicri:Area/PubMed/Curation">000405</idno><idno type="wicri:Area/PubMed/Checkpoint">000405</idno><idno type="wicri:Area/Ncbi/Merge">001354</idno><idno type="wicri:Area/Ncbi/Curation">001354</idno><idno type="wicri:Area/Ncbi/Checkpoint">001354</idno><idno type="wicri:Area/Main/Merge">000E70</idno><idno type="wicri:Area/Main/Curation">000E66</idno><idno type="wicri:Area/Main/Exploration">000E66</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Electroactive species-doped poly(3,4-ethylenedioxythiophene) films: enhanced sensitivity for electrochemical simultaneous determination of vitamins B2, B6 and C.</title><author><name sortKey="Nie, Tao" sort="Nie, Tao" uniqKey="Nie T" first="Tao" last="Nie">Tao Nie</name><affiliation wicri:level="1"><nlm:affiliation>Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China; College of Science, Jiangxi Agricultural University, Nanchang 330045, PR China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China; College of Science, Jiangxi Agricultural University, Nanchang 330045</wicri:regionArea><placeName><settlement type="city">Nanchang</settlement><region type="province">Jiangxi</region></placeName></affiliation></author><author><name sortKey="Xu, Jing Kun" sort="Xu, Jing Kun" uniqKey="Xu J" first="Jing-Kun" last="Xu">Jing-Kun Xu</name></author><author><name sortKey="Lu, Li Min" sort="Lu, Li Min" uniqKey="Lu L" first="Li-Min" last="Lu">Li-Min Lu</name></author><author><name sortKey="Zhang, Kai Xin" sort="Zhang, Kai Xin" uniqKey="Zhang K" first="Kai-Xin" last="Zhang">Kai-Xin Zhang</name></author><author><name sortKey="Bai, Ling" sort="Bai, Ling" uniqKey="Bai L" first="Ling" last="Bai">Ling Bai</name></author><author><name sortKey="Wen, Yang Ping" sort="Wen, Yang Ping" uniqKey="Wen Y" first="Yang-Ping" last="Wen">Yang-Ping Wen</name></author></analytic><series><title level="j">Biosensors & bioelectronics</title><idno type="eISSN">1873-4235</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ascorbic Acid (analysis)</term><term>Beverages (analysis)</term><term>Bicyclo Compounds, Heterocyclic (chemistry)</term><term>Citrus sinensis (chemistry)</term><term>Electrochemical Techniques (instrumentation)</term><term>Electrodes</term><term>Ferricyanides (chemistry)</term><term>Ferrous Compounds (chemistry)</term><term>Polymers (chemistry)</term><term>Riboflavin (analysis)</term><term>Sensitivity and Specificity</term><term>Vitamin B 6 (analysis)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Ascorbic Acid</term><term>Riboflavin</term><term>Vitamin B 6</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Beverages</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Bicyclo Compounds, Heterocyclic</term><term>Citrus sinensis</term><term>Ferricyanides</term><term>Ferrous Compounds</term><term>Polymers</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Electrochemical Techniques</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Electrodes</term><term>Sensitivity and Specificity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Herein, functionalized PEDOT films were prepared by incorporation of two electroactive species, ferrocenecarboxylic acid (Fc(-)) and ferricyanide (Fe(CN)6(4-)) as doping anions during the electropolymerization of PEDOT at glassy carbon electrodes (GCEs) from aqueous solution. The electrochemically synthesized electroactive species-doped PEDOT films have been carefully characterized by scanning electron microscopy (SEM), FTIR and UV/Vis spectra and various electrochemical techniques. Such nanostructured films combined the advantages of PEDOT (high conductivity and stability) together with electroactive species (good electrochemical activity) and were applied as electrochemical sensors for simultaneous determination of vitamin B2 (VB2), vitamin B6 (VB6) and vitamin C (VC). The results showed that the oxidation peak currents of vitamins obtained at the GCEs modified with electroactive species-doped PEDOT films were much higher than those at the ClO4(-)-doped PEDOT films and bare GCEs. The experiment results also illustrated that the sensors possessed high selectivity with no interference from other potential competing species. Moreover, the proposed sensors were successfully employed for the determination of vitamins in orange juice samples with satisfactory results.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Jiangxi</li></region><settlement><li>Nanchang</li></settlement></list><tree><noCountry><name sortKey="Bai, Ling" sort="Bai, Ling" uniqKey="Bai L" first="Ling" last="Bai">Ling Bai</name><name sortKey="Lu, Li Min" sort="Lu, Li Min" uniqKey="Lu L" first="Li-Min" last="Lu">Li-Min Lu</name><name sortKey="Wen, Yang Ping" sort="Wen, Yang Ping" uniqKey="Wen Y" first="Yang-Ping" last="Wen">Yang-Ping Wen</name><name sortKey="Xu, Jing Kun" sort="Xu, Jing Kun" uniqKey="Xu J" first="Jing-Kun" last="Xu">Jing-Kun Xu</name><name sortKey="Zhang, Kai Xin" sort="Zhang, Kai Xin" uniqKey="Zhang K" first="Kai-Xin" last="Zhang">Kai-Xin Zhang</name></noCountry><country name="République populaire de Chine"><region name="Jiangxi"><name sortKey="Nie, Tao" sort="Nie, Tao" uniqKey="Nie T" first="Tao" last="Nie">Tao Nie</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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