Biochemical mechanisms of dose-dependent cytotoxicity and ROS-mediated apoptosis induced by lead sulfide/graphene oxide quantum dots for potential bioimaging applications oleh Mahdi Ayoubi, Parvaneh Naserzadeh, Mohammad Taghi Hashemi, Mohammad Reza Rostami, Elnaz Tamjid, Mohammad Mahdi Tavakoli, Abdolreza Simchi