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. 2022 Sep 24;17:4481–4496. doi: 10.2147/IJN.S378727

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© 2022 Wang et al.

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Physicochemical characterization of CuO NPs. (A) TEM images of CuO NPs. (B–D) Hydrodynamic diameters, zeta potential and Cu ion dissolution of CuO NPs in distilled water, BEGM and DMEM cell culture medium, respectively. (E and F) DCF and APF fluorescence spectra of PBS, Cu ion and CuO NPs with different concentrations.