Dermal absorption and short-term biological impact in hairless mice from sunscreens containing zinc oxide nano- or larger particles.

Nanotoxicology · 2014 · PMC4179643 · PMID 24266363

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did not reach statistical significanceno p-value reported

Further, the 68 Zn/ 64 Zn isotope ratios were significantly higher in the nano-treated mice compared with the bulk-treated mice for all organs, but not blood where the difference did not reach statistical significance.

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