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. 2021 Aug 31;16:6003–6016. doi: 10.2147/IJN.S327598

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© 2021 Fu et al.

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The NO production capacity and anti-tumor effect of nanoparticles in 4T1 cells. (A) The NO generation in the 4T1 cells detected by the fluorescence probe DAF-FM DA (the scale bar represents 200 µm); (B) the live-dead assay by the Calcein/PI kit (the scale bar represents 100 µm); (C) the caspase 3 activation in the 4T1 cells by the GreenNuc kit (the scale bar represents 100 µm); (D) the cell viability measured by the MTT test, *Represents statistically significant (p < 0.05, n = 6).