A Y-shape-structured photoelectrochemical biosensor based on Bi4NbO8Cl/TiO2 heterojunction and enzyme-mediated electrocatalysis for sensitive and selective determination of microRNA in serum. - Zhong, Yu; Xu, Zhi-Wei; Cheng, Zhang-Jian; Liu, Ai-Lin; Lei, Yun (Microchemical Journal, 2025)