A new strategy for label-free electrochemical immunoassay based on “gate-effect” of β-cyclodextrin modified electrode
详细信息 查看全文
- 作者：Huan Denga ; Jianping Lia ; likianping@263.net" class="auth_mail" title="E-mail the corresponding author ; Yun Zhanga ; Hongcheng Pana ; Guobao Xua ; b ; guobaoxu@ciac.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Electrochemical immunosensor ; Gate-effect ; β-Cyclodextrin ; Prostate-specific antigen ; Probe current
- 刊名：Analytica Chimica Acta
- 出版年：2016
- 出版时间：5 July 2016
- 年：2016
- 卷：926
- 期：Complete
- 页码：48-54
- 全文大小：1224 K
文摘
- •
A label-free PSA immunoassay was developed based on “gate-effect” amplification.
- •
Interspaces among β-CD assembled for [Fe(CN)6]3−/4− electron transfer were controlled by the immunoreaction.
- •
Higher sensitivity was achieved with time and cost saving principle.