Design of electrochemical detection of thiols based on the cleavage of the disulfide bond coupled with thionine modified gold nanoparticle-assisted amplification†
Abstract
A new strategy for the electrochemical detection of thiols based on the disulfide cleavage combined with gold nanoparticle (AuNP) assisted signal amplification and an AuNP and graphene (GR) and ionic liquid (IL) modified carbon paste electrode (AuNP/GR/CILE). A superior detection limit of 0.4 pM toward glutathione could be achieved.