2022
DOI: 10.58567/bab01010003
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An DNA Enzyme Electrochemiluminescence Biosensor for Ultra-sensitive Detection of Pb2+ Based on CdS/MoS2 Joint Amplification

Abstract: Lead (Pb) is one of the most serious heavy metals to human health and ecological environment. Excessive lead can lead brain retardation and liver and kidney damage. In this work, a novel electrochemiluminescence (ECL) biosensor based on CdS quantum dots (CdS QDs)/MoS2 enzyme assist multiple amplification and DNA enzyme was designed to achieve high sensitivity detection of Pb2+. AuNPs-PDDA-MoS2 complex was synthesized as sensing substrate. The thiol-labeled T30695 DNA was assembled on the surface of the electro… Show more

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