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. Author manuscript; available in PMC: 2010 Apr 19.
Published in final edited form as: Biomaterials. 2008 Jul 7;29(28):3836–3846. doi: 10.1016/j.biomaterials.2008.06.002

Table 2.

AFM surface roughness analysis

Substrate Rq (nm)
Glass 0.2 ± 0.05
50 nm NP coating 2.44 ± 0.43
100 nm NP coating 20.44 ± 3.87
300 nm NP coating 69.38 ± 12.5

AFM surface roughness characterization of various sized silica NP coatings on glass substrates. Values are mean ± standard deviation of the root-mean-square roughness, Rq, for silica NP coating assemblies.