Photoelectrochemical Biosensor for MicroRNA-21 Based on High Photocurrent of TiO2/Two-Dimensional Coordination Polymer CuClx(MBA)y Photoelectrode

Conventional photosensitive materials such as TiO2 suffer from restricted absorption in the ultraviolet region, fast recombination of photogenerated electron–hole pairs, and a lack of functional groups for biocoupling, which hinder their application in photoelectrochemical (PEC) biosensing. Herein,...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 2021-08, Vol.93 (31), p.11010-11018
Main Authors: Yang, Jiao, Li, Yanzhou, Guo, Longhua, Qiu, Bin, Lin, Zhenyu
Format: Article
Language:English
Subjects:
Absorption
Analytical chemistry
Biosensors
chemical bonding
Chemistry
Coordination polymers
Copper
detection limit
electric current
Electrodes
Electromagnetic absorption
Energy transfer
Functional groups
Gold
light
microRNA
MicroRNAs
miRNA
nanogold
Nanoparticles
nanosheets
P-n junctions
Photoelectric effect
Photoelectric emission
photoelectrodes
Photosensitivity
Polymers
Recombination
Ribonucleic acid
RNA
Selectivity
Titanium dioxide
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