In situ synthesis of MoS2 on a polymer based gold electrode platform and its application in electrochemical biosensing

Abstract

Bulk layers of MoS2 were synthesized in situ on a polymer substrate at low temperature. The negative charges carried by the layered MoS2 are used to immobilize horseradish peroxidase conjugated IgG via the electrostatic attraction, forming an Au-MoS2/HRP hybrid. Trace H2O2 released from IgG-horseradish peroxidase was successfully evaluated in the linear range of 0-20 ng mL-1.