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Cytotoxicity of OVCAR-3 cells treated with free carboplatin, carboplatin-complexed cRGD-conjugated (T-carboplatin), or cRGD-lacking (NT-carboplatin) unimolecular nanoparticles, and empty nanoparticles (Empty NT and Empty T) for 48 h at two carboplatin concentrations (15 and 30 μg mL−1). *p < 0.05, **p < 0.01.
