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. 2019 Nov 7;14:8769–8786. doi: 10.2147/IJN.S226254

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© 2019 Khafaji et al.

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(a) Light microscopy images of the cells (the total magnification was 400 times) exposed to 100 (left) and 200 µg/mL (right) of PS-IONs for 24 hrs. The brown dots show the uptaken nanoparticles. (b) Concentration dependent cellular uptake percentage. The inset shows the amount of PS-IONs uptake (µg/mL) versus initial PS-IONs concentration (µg/mL) in the culture media.