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Aptamer-Nanomaterial based Biosensors for Fluorescent Detection of Trace Heavy Metals

Yilin Lu and Qing Huang

Heavy metal pollution is a serious problem that affects our environment and health profoundly. Taking advantage of the nanotechnology and nanomaterials, researchers have been exploring new nano-biosensors for sensitive, selective, quantitative and rapid detection of heavy metals. This review article focuses on the recent progress in the research of fluorescence detection of heavy metals based on functionalized nanomaterials modified with nucleic acids including aptamers and DNAzymes.