Fig. 2From: HB5 aptamer-tagged graphene oxide for co-delivery of doxorubicin and silibinin, and highly effective combination therapy in breast cancerFE-SEM images of cGO (A) and cGO-aptamer (B). cGO: carboxylated graphene oxide; Apt: aptamer; FE-SEM: field emission scanning electron microscopyBack to article page