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Cytotoxicity assessment using MTT assay. (a) MCF7 cells exposed to varying concentrations of synthesized Ag/TiO2 for 24 h. *p < 0.01, **p < 0.005. The morphological analysis using phase contrast microscopy (b) untreated control, (c) Ag/TiO2 50 µM and (d) Ag/TiO2 100 µM.
