Double Photosystems-Based ‘Z-Scheme’ Photoelectrochemical Sensing Mode for Ultrasensitive Detection of Disease Biomarker Accompanying Three-Dimensional DNA Walker

Lv, Shuzhen; Zhang, Kangyao; Zeng, Yongyi; Tang, Dianping

doi:10.1021/acs.analchem.8b01825

Public

Double Photosystems-Based ‘Z-Scheme’ Photoelectrochemical Sensing Mode for Ultrasensitive Detection of Disease Biomarker Accompanying Three-Dimensional DNA Walker

Published in Analytical Chemistry • May 18, 2018

Authors:

Shuzhen Lv

Kangyao Zhang

Yongyi Zeng

Abstract

A new double photosystems-based ‘Z-scheme’ photoelectrochemical (PEC) sensing platform is designed for ultrasensitive detection of prostate-specific antigen (PSA) by coupling with a three-dimensional (3D) DNA walker. Two photosystems consist of CdS quantum dots (photosystem I; PS I) and BiVO4 photoa...

Subject

Chemistry

Photosystem

Biomarker

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