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Typing error:

Posted by Ralf_Schulz on 30 May 2011 at 07:05 GMT

White bars: ∼200 nm TiO2; grey bars: ∼100 nm nTiO2.
http://plosone.org/article/info:doi/10.1371/journal.pone.0020112#pone-0020112-g001

This should read: White bars: ~100 nm TiO2; grey bars: ~200 nm nTiO2.

No competing interests declared.