A new green approach for the reduction of graphene oxide nanosheets using caffeine Gold nanoparticle glutathione functionalized porous graphene oxide based hydrophilic beads for the selective enrichment of N linked glycopeptides Microchimica Acta Springer Nature Link Frontiers A ROS responsive, aptamer targeted graphene oxide nanocomposite for site specific glutathione release in cerebral ischemia reperfusion injury Applications of Graphene and Graphene Oxide in Smart Drug Gene Deliver IJN Dove Medical Press Graphene and graphene oxide: biofunctionalization and applications in biotechnology: Trends in Biotechnology Detection of Heavy Metals Lead and Copper Using Chitosan Graphene Oxide Glutathione Nano Biosensors Composites BioNanoScience Springer Nature Link