Fig. 1From: Graphene-based nanomaterials for breast cancer treatment: promising therapeutic strategiesIn vivo biodistribution of a GO-based nanosystem in a mouse tumor xenograft model. a Fluorescence imaging of tumor-bearing mice after intravenous injection of a fluorescence-labeled GO-based nanosystem at different times. b The GO-based nanosystem mainly accumulated in tumors, which showed the highest fluorescence intensity. c Mean fluorescence signal indicating the GO-based nanosystem distribution in tumors and other major organs [18]. Reprinted from Journal of Controlled Release, 326, Sahu A, Min K, Jeon J, Yang HS, Tae G, Catalytic nanographene oxide with hemin for enhanced photodynamic therapy, 442–454, 2020, with permission from ElsevierBack to article page