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Summary: Sensitive Immunosensor for Cancer Biomarker
Based on Dual Signal Amplification Strategy of
Graphene Sheets and Multienzyme Functionalized
Carbon Nanospheres
Dan Du,,
Zhexiang Zou,
Yongsoon Shin,
Jun Wang,
Hong Wu,
Mark H. Engelhard,
Jun Liu,
Ilhan A. Aksay,§
and Yuehe Lin*,
Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China
Normal University, Wuhan 430079, PR China, Pacific Northwest National Laboratory, Richland, Washington 99352,
and Department of Chemical Engineering, Princeton University, Princeton, New Jersey 08544
A novel electrochemical immunosensor for sensitive
detection of cancer biomarker r-fetoprotein (AFP) is
described that uses a graphene sheet sensor platform and
functionalized carbon nanospheres (CNSs) labeled with
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