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. 2016 Sep 7;6:32699. doi: 10.1038/srep32699

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Copyright © 2016, The Author(s)

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Full XPS spectra (a) acquired from the surfaces of TiO₂ and Ag-0.1 samples, accompanied by the corresponding high-resolution Ag 3d (b), Ti 2p (c) and O 1s (d) XPS spectra. Release profiles of free silver matter in TSB (e) and ultrapure water (f) and the concomitant release of calcium ions (g) and phosphorus ions (h) in ultrapure water over 14 days.