Construction of an enzyme-free biosensor utilizing CuO nanoparticles enriched in DNA polymer to catalyze a click chemistry reaction for SERS detection of the p53 gene

Jieyu Hu, Xingxing Yu, Xiumei Zhuang, Yan Sun, Junjie Wang, Haiting Ren, Shenghao Zhang, Yueshou Zhang, Hongxing Qiu, Yongjun Hu