Fig. 2From: Biosynthesis, characterization of PLGA coated folate-mediated multiple drug loaded copper oxide (CuO) nanoparticles and it’s cytotoxicity on nasopharyngeal cancer cell linesPresence of elemental Cu in CuO NPs, FOL-PLGA-CuO NPs, CD-1, CD-2 and CD-3. This indicates the incorporation of drugs in CuO nanoparticlesBack to article page