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Flachenecker, P
Henn et al
5 OD 600 units of cells were harvested by centrifugation at 1,500 g for 3 min at room temperature and resuspended in isosmotic buffer, and a second centrifugation step was necessary to retrieve pellets
A 2009 review article about the safety of nanoparticles summarizes this, "to date, in-vivo and in-vitro studies have not demonstrated percutaneous penetration of nanosized particles in titanium dioxide and zinc oxide sunscreens"
(Note: This information is for educational purposes based on general research trends)
& Schunemann, H
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