Analyst 2018-03-07

An ultrasensitive photoelectrochemical bioanalysis strategy for tumor markers based on the significantly enhanced signal of a bismuth oxyiodine microsphere/graphitic carbon nitride composite

Shurui Wang, Wenwen Tu, Zhihui Dai

Index: 10.1039/C8AN00118A

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Abstract

An innovative and ultrasensitive photoelectrochemical bioanalysis strategy was designed, which provided a promising method for the assay of tumor markers. The BiOI/g-C3N4 composite acted as photoelectrochemical biosensing substrate for significant signal enhancement, and CuS NPs were introduced to label signal antibodies to amplify the signal variation.

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