Novel electrochemiluminescent platform based on gold nanoparticles functionalized Ti doped BiOBr for ultrasensitive immunosensing of NT-proBNP

Chao Wang,Wenjuan Zhu,Tao Yan,Lei Yang,Xuan Kuang,Bin Du,Xuehui Pang,Qin Wei

Sensors and Actuators B: Chemical（2018）

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摘要

•A label-free ECL immunosensor was designed based on Ti doped BiOBr for NT-proBNP detection.•BiOBr was employed as ECL substrate and emitter to simplify the construction process.•The ECL property was further improved by functionalizing BiOBr with Ti and Au NPs.•Sensitive detection of NT-proBNP was achieved with good selectivity and stability.

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关键词

BiOBr,Ti-doping,N-terminal pro-B-type natriuretic peptide,Electrochemiluminescence,Immunosensor

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