Sensitive photoelectrochemical assay of Pb<sup>2+</sup> based on DNAzyme-induced disassembly of the “Z-scheme” TiO<sub>2</sub>/Au/CdS QDs system
Leixia Meng, Mengyue Liu, Ke Xiao, Xiaohua Zhang, Cuicui Du, Jinhua Chen
Abstract
/Au/CdS QDs system, a facile and sensitive photoelectrochemical biosensor was developed for lead ion assay and a low detection limit of 0.13 pM was obtained.
Topics & Concepts
DeoxyribozymeChemistryNanotechnologyPhotoelectrochemistryOptoelectronicsAnalytical Chemistry (journal)Materials scienceElectrochemistryPhysical chemistryDetection limitElectrodeChromatographyAdvanced biosensing and bioanalysis techniquesBiosensors and Analytical DetectionAdvanced Photocatalysis Techniques