Architecture effects of glucose oxidase/Au nanoparticle composite Langmuir-Blodgett films on glucose sensing performance
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- 作者：Ke-Hsuan Wanga ; Jau-Yann Wub ; Liang-Huei Chenc ; Yuh-Lang Leea ; yllee@mail.ncku.edu.tw" class="auth_mail" title="E-mail the corresponding author
- 关键词：Langmuir-Blodgett films ; Glucose oxidase ; Gold nanoparticles ; Composite film ; Architecture effect
- 刊名：Applied Surface Science
- 出版年：2016
- 出版时间：15 March 2016
- 年：2016
- 卷：366
- 期：Complete
- 页码：202-209
- 全文大小：2138 K
文摘
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Langmuir-Blodgett (LB) technique was utilized to prepare glucose oxidase (GOx) and Au nanoparticle (NPs) composite films with well defined nano-structures and the architecture effect of the LB films on the glucose sensing was studied.
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The two arrangements of AuNPs in the composite electrodes have distinct effects on the enhancement of charge transfer and the elevation of GOx activity.
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Composite film with cascade architecture (AuNPs/GOx) has a better sensing performance than the mixed film (GOx-AuNPs).
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A film combining both architectures (AuNPs/GOx-AuNP) can further improve the sensing performance.