Shandong Key Laboratory of Biochemical Analysis,College of Chemistry and Molecular Engineering,Qingdao University of Science and Technology,Qingdao 266042,China;
State Key Laboratory of Chemo/Biosensing and Chemometrics,College of Chemistry and Chemical Engineering,Hunan University,Changsha 410082,China;
Photoelectrochemistry; Immunoassay; Zwitterionic peptide; Photocathode; Anti-interference;