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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: J Mater Chem B. 2015 Feb 15;3(14):2816–2825. doi: 10.1039/C4TB02042A

Table 1.

Surface atomic % composition by XPS.

C 1s C-Si/C-C C-O O 1s Si 2p
Surface Total 284.5 eV 286.4 eV
Oxidized silica 5 34 61
Siloxane-control 34 94 6 29 38
n = 3 24 82 18 29 47
n = 8 22 71 29 34 44
n = 16 26 48 52 33 42
PEO-control (n = 8) 26 38 62 35 38