financially supported by the National Natural Science Foundation of China(20675064);the Ministry of Education of China(708073);the Natural Science Foundation of Chongqing City (CSTC-2009BA1003);High Technology Project Foundation of Southwest University(XSGX 02)
An effective electrochemical signal amplification strategy based on enzyme membrane modification and redox probe immobilization was proposed to construct an amperometric immunosensor.L-cysteine@ferrocene functionalize...