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DNAzyme-Based Target-Triggered Rolling-Circle Amplification for High Sensitivity Detection of microRNAs
作者:Chen Liu, Jialun Han, Lujian Zhou, Jingjing Zhang and Jie Du
关键字:microRNAs; deoxyribozyme; rolling-circle amplification; signal amplification
论文来源:期刊
发表时间:2020年

MicroRNAs regulate and control the growth and development of cells and can play the role of oncogenes and tumor suppressor genes, which are involved in the occurrence and development of cancers. In this study, DNA fragments obtained by target-induced rolling-circle amplification were constructed to complement with self-cleaving deoxyribozyme (DNAzyme) and release fluorescence biomolecules. This sensing approach can affect multiple signal amplification permitting fluorescence detection of microRNAs at the pmol L ?1 level hence affording a simple, highly sensitive, and selective low cost detection platform.