. Author manuscript; available in PMC: 2012 Jan 1.

Published in final edited form as: Acta Biomater. 2010 Aug 3;7(1):268–277. doi: 10.1016/j.actbio.2010.07.036

Table II.

Estimates of K_½ for adsorption and desorption after the use of three different EDC cross-linking protocols for immobilizing PVPA within the EDC-cross-linked collagen matrices

	Cross-linking Protocol	B_max	B_max/2	Estimate of K_½	95% CI (K_½)	Approx. S.E.
Adsorption	EDC only	192.04	96.02	7093.05	6825.44–7370.45	136.25
	EDC/NHS	193.72	96.86	7446.02	7006.28–7894.16	221.97
	EDC/Im	216.12	108.06	8289.98	7906.74–8683.97	194.31

Desorption	EDC only	144.45	72.22	6532.98	6272.24–6799.09	131.71
	EDC/NHS	125.70	62.85	7455.93	7062.41–7865.60	200.80
	EDC/Im	128.83	64.41	6134.97	5958.37–6306.35	86.99

Abbreviations: EDC = carbodiimide; NHS = N-hydroxysuccinimide; Im = imidazole