A sensitive impedimetric DNA biosensor for the determination of the HIV gene based on graphene-Nafion composite film
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- 作者：Qiaojuan Gonga ; gqjuan@163.com" class="auth_mail" title="E-mail the corresponding author ; Yongdong Wanga ; b ; Haiying Yanga ; haiyingyang79@hotmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Biosensor ; Electrochemical impedance spectroscopy ; HIV-1 gene ; Graphene-Nafion composite film
- 刊名：Biosensors and Bioelectronics
- 出版年：2017
- 出版时间：15 March 2017
- 年：2017
- 卷：89
- 期：part_P1
- 页码：565-569
- 全文大小：224 K
文摘
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An impedimetric HIV-1 gene biosensor has been developed based on graphene-Nafion.
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The biosensor showed the low detection limit of 2.3×10–14 M for HIV-1 gene.
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Nafion stabilizes graphene coated on electrode and increases graphene dispersion.
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The biosensor possesses good selectivity and stability for HIV- 1 gene detection.
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