Sensitive photoelectrochemical detection of colitoxin DNA based on NCDs@CuO/ZnO heterostructured nanocomposites with efficient separation capacity of photo-induced carriers

Delun Zheng, Jianying Yang, Zengyao Zheng, Mingxuan Peng, Kwan‐Ming Ng, Yaowen Chen, Linjia Huang, Wenhua Gao