The in vitro and in vivo electrochemical detection of the reduced form of glutathione (L-γ-glutamyl-L-cysteinyl-glycine, GSH) using boron doped diamond (BDD) microelectrode for potential application in the assessment of cancerous tumors shows differences of GSH level between cancerous and normal tissues.

Yasuaki EINAGA et al., doi:10.1038/srep00901