A novel peroxidase mimic was designed by loading ferric porphyrin and streptavidin onto graphene, which was used to recognize a biotinylated molecular beacon for specific electrochemical detection of DNA down to attomolar levels.
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Graphene-supported ferric porphyrin as a peroxidase mimic for electrochemical DNA biosensing
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State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
E-mail: hxju@nju.edu.cn
E-mail: hxju@nju.edu.cn
Chem. Commun., 2013,49, 916-918
DOI: 10.1039/C2CC37664D
Received 21 Oct 2012, Accepted 06 Dec 2012
First published online 06 Dec 2012
Chemical Communications
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