Controlling Inter-Sheet-Distance in Reduced Graphene Oxide Electrodes for Highly Sensitive Electrochemical Impedimetric Sensing of Myoglobin

Seong Soo Yoo,So Young Kim,Kwang Su Kim,Sunghwan Hong,Min Jun Oh,Myeong Gyun Nam,Woo-Jae Kim,Juhyun Park,Chan-Hwa Chung,Woo-Seok Choe,Pil J. Yoo

Sensors and Actuators B: Chemical（2020）

引用 22|浏览8

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摘要

•Impedimetric sensitivity was improved by enlarging electroactive surface area.•Electroactive surface area was tuned by varying inter-sheet distance between rGOs.•Detection limit of electrochemical myoglobin-sensors was 2.37 pM.•High selectivity for myoglobin detection over other heme groups was confirmed.

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关键词

Myoglobin,Inter-sheet distance,Graphene oxide,Electrochemical impedance spectroscopy,Biosensors

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