Biocompatibility of Designed MicNo®-ZnO Particles

Cytotoxicity, genotoxicity and phototoxicity in human skin keratinocyte cells.
By Admin 3 months ago

Recently, designed platelet shaped micron particles that are composed of nano primary particles, called MicNo (=Micron+naNo) particles, have been developed to exploit the benefits of nano size, while removing the adverse effects of nanoparticles. It has been shown that MicNo-ZnO particles exhibit both micron and nanosized particle characteristics.

The research objective of this study was to evaluate in vitro cytotoxicity, genotoxicity and phototoxicity behaviors of designed MicNo-ZnO particles over human epidermal keratinocyte (HaCaT) cells. MicNo-ZnO particles exhibit much less cytotoxicity with IC50 concentrations between 40 and 50μg/ml, genotoxicity above 40μg/ml and lower photo genotoxicity under UVA on HaCaT than the ZnO nanoparticles.

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