| 6 | Recent Progresses in Electrochemical DNA Biosensors for MicroRNA Detection显示文摘MicroRNAs(miRNAs),as the small,non-coding,evolutionary conserved,and post-transcriptional gene regulators of the genome,have been highly associated with various diseases such as cancers,viral infections,and cardiovascular diseases.Several techniques have been established to detect miRNAs,including northern blotting,real-time polymerase chain reaction(RT-PCR),and fluorescent microarray platform.However,it remains a significant challenge to develop sensitive,accurate,rapid,and cost-effective methods to detect miRNAs due to their short size,high similarity,and low abundance.The electro-chemical biosensors exhibit tremendous potential in miRNA detection because they satisfy feature integration,portability,mass production,short response time,and minimal sample consumption.This article reviewed the working principles and signal amplification strategies of electrochemical DNA biosensors summarized the recent improvements.With the develop-ment of DNA nanotechnology,nanomaterials and biotechnology,electrochemical DNA biosensors of high sensitivity and specificity for microRNA detection will shortly be commercially accessible. | Lulu Zhang Wenqiong Su Shuopeng Liu Chengjie Huang Behafarid Ghalandari Adeleh Divsalar Xianting Ding | 2022 | Phenomics2022，2，1： | 0 |
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