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. Author manuscript; available in PMC: 2014 Aug 14.
Published in final edited form as: Colloids Surf B Biointerfaces. 1995 Mar 8;4(2):65–75. doi: 10.1016/0927-7765(94)01150-4

Table 1.

The relative area of two deconvoluted XPS peaks in the N 1s spectra

System Higher binding energy N 1s peak Lower binding energy N 1s peak
Area
(%)		 Max. energy
(eV)		 Area
(%)		 Max. energy
(eV)
(a) APDMS; pH 3 45 400.5 55 398.5
(b) APDMS; pH 7 35 400.8 65 398.7
(c)a PEG5000 + APDMS; pH 7.0 28 400.8 72 399.3
(d)a PEG2000 + APDMS; pH 7.0 25 400.8 75 399.3
(e) Quaternary amine; pH 3 45 400.7 55 398.7
(f) Quaternary amine; ethanol 45 400.6 55 398.5
a

Taken from Ref. [24].