A novel sandwich-type electrochemical aptasensor based on GR-3D Au and aptamer-AuNPs-HRP for sensitive detection of oxytetracycline
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- 作者：Su Liua ; Yu Wangb ; bio_wangy@ujn.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wei Xuc ; Xueqi Lenga ; Hongzhi Wangc ; Yuna Guoc ; Jiadong Huangb ; c
- 关键词：Graphene-gold nanostructure ; Horseradish peroxidase ; Electrochemical aptasensor ; Sandwich-type ; Oxytetracycline
- 刊名：Biosensors and Bioelectronics
- 出版年：2017
- 出版时间：15 February 2017
- 年：2017
- 卷：88
- 期：Complete
- 页码：181-187
- 全文大小：1349 K
文摘
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A GR-3D Au and aptamer-AuNPs-HPR-based OTC electrochemical sensor was constructed.
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A very low LOD as low as 4.98×10−13 g mL−1 was obtained for the detection of OTC.
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The aptamer-AuNPs-HPR nanoprobes show high specificity towards target OTC.