Label-free electrochemical impedance peptide-based biosensor for the detection of cardiac troponin I incorporating gold nanoparticles modified carbon electrode

详细信息    查看全文

• 作者：Bing Wang ; Rui Jing ; Honglan Qi ; Qiang Gao ; Chengxiao Zhang ; ^{cxzhang@snnu.edu.cn}
• 关键词：Biosensor ; Electrochemical impedance spectroscopy ; Gold nanoparticles ; Cardiac troponin I ; Peptide
• 刊名：Journal of Electroanalytical Chemistry
• 出版年：2016
• 出版时间：15 November 2016
• 年：2016
• 卷：781
• 期：Complete
• 页码：212-217
• 全文大小：806 K
• 卷排序：781

文摘

Electrochemical impedance peptide-based biosensor for cardiac troponin I was developed. The biosensors showed the low detection limit of 3.4 pg/mL cardiac troponin I. Gold nanoparticles/carbon electrode can greatly reduce the background signal. A suitable impedance analog circuit was designed.