Scientists from Fuzhou University, China, report the proof-of-concept of an enzyme-free amperometric immunoassay that uses gold nanoflower-labeled detection antibodies in this communication. The gold nanoflowers achieve signal amplification by causing catalytic reduction of p-nitrophenol and redox cycling of p-aminophenol to p-quinone imine.
Immunoassay using gold nanoflower-labeled detection antibodies
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A graphene-based Au(111) platform for electrochemical biosensing based catalytic recycling of products on gold nanoflowers
Bingqian Liu, Dianping Tang, Juan Tang, Biling Su, Qunfang Li and Guonan Chen
Analyst, 2011
DOI: 10.1039/C0AN00921K
