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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Mikrochim Acta. 2012 Jul 26;179(1-2):71–81. doi: 10.1007/s00604-012-0870-x

Table 1.

Summary of surface coverage for different proteins on NPG, calculated by solution depletion studies (BCA assay).

Protein Mol wt. kDa Surface Coverage
Mass μg cm-2 mol cm-2 Molecules cm-2 (mol cm-2 × Navo)
PSA Antigen 34 0.033 9.7 × 10-13 5.8 × 1011
Conjugate 146+69 0.041 1.9 × 10-13 1.1 × 1011
(IgG+ALP)
CEA Antigen 180 0.054 3 × 10-13 1.0 × 1011