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Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
E-mail: zeng6@yahoo.com
; Fax: +86 20 32015245
; Tel: +86 20 32015312
Chem. Commun., 2013,49, 984-986
DOI:
10.1039/C2CC37598B
Received
18 Oct 2012,
Accepted
10 Dec 2012
First published online
12 Dec 2012
A simple and enzyme-free strip biosensor for the amplified detection of Pb2+ has been constructed based on a catalytic DNA circuit. This assay is ultrasensitive, enabling the visual detection of Pb2+ concentrations as low as 10 pM without instrumentation.
A simple and enzyme-free strip biosensor for the amplified detection of Pb2+ has been constructed based on a catalytic DNA circuit. This assay is ultrasensitive, enabling the visual detection of Pb2+ concentrations as low as 10 pM without instrumentation.
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