Biosensors & bioelectronicsGoldBiosensing TechniquesElectrochemical TechniquesHumansElectrodes
Exploring self-supplied photoactive layers on gold electrodes: A semiconductor-, probe-immobilization-, and label-free photoelectrochemical platform bridged by polyadenine-gold affinity.
Xianfeng Lv, Dage Fan, Minyan Chen, Jicheng Zhou, Shaohao Chen, Wenxin Wu, Ning Li, Junyang Zhuang
Published: 202610.1016/j.bios.2026.118378
Abstract
Photoelectrochemical biosensing provides high sensitivity but often requires complex electrode modification involving semiconductors, probe immobilization, and labeling, which limits reproducibility and practicality. Here, we reveal that Au2O3 specie…
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