In situ synthesis of thulium(III) hexacyanoferrate(II) nanoparticles and its application for glucose detection.
Identifieur interne : 000453 ( PubMed/Corpus ); précédent : 000452; suivant : 000454In situ synthesis of thulium(III) hexacyanoferrate(II) nanoparticles and its application for glucose detection.
Auteurs : Zuchao Meng ; Jianbin Zheng ; Qinglin Sheng ; Xiaohui ZhengSource :
- Analytica chimica acta [ 1873-4324 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Glucose.
- chemical , chemistry : Chitosan, Ferrocyanides, Thulium.
- chemistry : Metal Nanoparticles.
- methods : Biosensing Techniques.
- ultrastructure : Metal Nanoparticles.
- Electrodes, Limit of Detection, Microscopy, Electron, Scanning, Spectrometry, X-Ray Emission.
Abstract
Thulium hexacyanoferrate (TmHCF) nanoparticles (NPs) were in situ synthesized within the chitosan film on the electrode surface by a biocatalyzed reaction. The properties of the obtained nanoparticles are characterized with scanning electron microscope (SEM) and energy-dispersive X-ray (EDX). The optimized conditions for the formation of TmHCF NPs were 16 mM Fe(CN)(6)(3-) and 1.5 mM Tm(3+) with an accumulation time of 20 min. Based on process of in situ synthesis of TmHCF NPs, a novel biosensor for glucose was designed, and there is a linear relationship between the current response of TmHCF NPs and glucose concentration. The linear range for glucose detection was 0.02-0.4 mM (r=0.9975, n=5) and 0.4-13.6 mM (r=0.9935, n=10) and the detection limit was 6 μM at a signal-to-noise ratio of 3.
DOI: 10.1016/j.aca.2011.01.028
PubMed: 21338755
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pubmed:21338755Le document en format XML
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<author><name sortKey="Meng, Zuchao" sort="Meng, Zuchao" uniqKey="Meng Z" first="Zuchao" last="Meng">Zuchao Meng</name>
<affiliation><nlm:affiliation>Institute of Analytical Science, Shaanxi Provincial Key Labortary of Electroanalytical Chemistry, Northwest University, Taibai Road, Xi'an, Shaanxi 710069, China.</nlm:affiliation>
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<author><name sortKey="Zheng, Jianbin" sort="Zheng, Jianbin" uniqKey="Zheng J" first="Jianbin" last="Zheng">Jianbin Zheng</name>
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<author><name sortKey="Sheng, Qinglin" sort="Sheng, Qinglin" uniqKey="Sheng Q" first="Qinglin" last="Sheng">Qinglin Sheng</name>
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<author><name sortKey="Zheng, Xiaohui" sort="Zheng, Xiaohui" uniqKey="Zheng X" first="Xiaohui" last="Zheng">Xiaohui Zheng</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biosensing Techniques (methods)</term>
<term>Chitosan (chemistry)</term>
<term>Electrodes</term>
<term>Ferrocyanides (chemistry)</term>
<term>Glucose (analysis)</term>
<term>Limit of Detection</term>
<term>Metal Nanoparticles (chemistry)</term>
<term>Metal Nanoparticles (ultrastructure)</term>
<term>Microscopy, Electron, Scanning</term>
<term>Spectrometry, X-Ray Emission</term>
<term>Thulium (chemistry)</term>
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<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Glucose</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Chitosan</term>
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<keywords scheme="MESH" xml:lang="en"><term>Electrodes</term>
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<front><div type="abstract" xml:lang="en">Thulium hexacyanoferrate (TmHCF) nanoparticles (NPs) were in situ synthesized within the chitosan film on the electrode surface by a biocatalyzed reaction. The properties of the obtained nanoparticles are characterized with scanning electron microscope (SEM) and energy-dispersive X-ray (EDX). The optimized conditions for the formation of TmHCF NPs were 16 mM Fe(CN)(6)(3-) and 1.5 mM Tm(3+) with an accumulation time of 20 min. Based on process of in situ synthesis of TmHCF NPs, a novel biosensor for glucose was designed, and there is a linear relationship between the current response of TmHCF NPs and glucose concentration. The linear range for glucose detection was 0.02-0.4 mM (r=0.9975, n=5) and 0.4-13.6 mM (r=0.9935, n=10) and the detection limit was 6 μM at a signal-to-noise ratio of 3.</div>
</front>
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<Abstract><AbstractText>Thulium hexacyanoferrate (TmHCF) nanoparticles (NPs) were in situ synthesized within the chitosan film on the electrode surface by a biocatalyzed reaction. The properties of the obtained nanoparticles are characterized with scanning electron microscope (SEM) and energy-dispersive X-ray (EDX). The optimized conditions for the formation of TmHCF NPs were 16 mM Fe(CN)(6)(3-) and 1.5 mM Tm(3+) with an accumulation time of 20 min. Based on process of in situ synthesis of TmHCF NPs, a novel biosensor for glucose was designed, and there is a linear relationship between the current response of TmHCF NPs and glucose concentration. The linear range for glucose detection was 0.02-0.4 mM (r=0.9975, n=5) and 0.4-13.6 mM (r=0.9935, n=10) and the detection limit was 6 μM at a signal-to-noise ratio of 3.</AbstractText>
<CopyrightInformation>Copyright © 2011 Elsevier B.V. All rights reserved.</CopyrightInformation>
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<ForeName>Zuchao</ForeName>
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