Fig. 4From: Glucose oxidase and metal catalysts combined tumor synergistic therapy: mechanism, advance and nanodelivery system© Nature 2017a The scheme of the GOD-Fe3O4@DMSNs-induced ST/CDT. b and d Biodegradation principle and performance of GOD-Fe3O4@DMSNs. c Changes in the tumor volume and weight under different therapy agent concentrations [106], copyrightBack to article page