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Cytotoxicity of BSA-Au nanocomplexes on MGC803 cells. (a) Morphology of MGC803 cells incubated with 50 μg/mL of BSA-Au nanocomplexes for 24 h at 37°C. (b) Dark toxicity of BSA-Au nanocomplexes to MGC803 cells incubated with 0~50 μg/mL of nanocomplexes for 24 h at 37°C. Cell viability was determined by MTT assay. Data represents mean ± SD (n = 5).
