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. Author manuscript; available in PMC: 2012 Sep 27.
Published in final edited form as: ACS Nano. 2011 Aug 29;5(9):7235–7244. doi: 10.1021/nn202054f

Figure 1.

Figure 1

Solid state CP/MAS 29Si NMR of (A) 50 nm, (B) 100 nm, and (C) 200 nm AHAP/TEOS nanoparticles. The T band (ca. 70 ppm) represents silicon atoms that are bound to three oxygen atoms (i.e., AHAP). The Q band (ca. 100 ppm) indicates silicon atoms with four siloxane bonds (i.e., TEOS).