Electrochemical peptide nucleic acid functionalized α-Fe2O3/Fe3O4 nanosheets for detection of CYP2C19*2 gene. - Ni, Yun; Chen, Xiu; Ling, Chen; Zhu, Ziye; Yue, Yao; Wang, Jie; He, Aolin; Liu, Ruijiang (Microchimica Acta, 2023)