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Corrosion and irritation test using rabbit skin in the in vivo test. No dermal responses including erythema/eschar or edema were found in skins of rabbits treated with the test materials and control group during the whole experimental period. Photos are the results of 1 hour treatment. (A) Normal control, (B) ZNPs, (C) TNPs, and (D) mixture of ZNPs and TNPs. ZNPs, zinc oxide nanoparticles; TNPs, titanium oxide nanoparticles.
