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Percentage dissolution of CuO and ZnO NPs (US3580; SA544868) and MPs (US1003M; US1140M) in DMEM F12 cell culture media, with 2% serum, after 0–48 h of incubation at 37 °C. Error bars represent ± standard deviation (n = 3). Light grey: 0 h. Dark grey: 24 h. Black: 48 h. CuO data were reproduced from [17].
