Figure 2From: Highly potent silver-organoalkoxysilane antimicrobial porous nanomembraneSpectroscopic analyses of AgNO 3 -PVP/APTMS/TEOS composite. (a) XPS spectrum of the composite’s silver species. (b) 29Si CP-MAS NMR of the composite before aging. (c) 29Si CP-MAS NMR of the composite after aging. (d) Composite’s silver release pattern.Back to article page