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. Author manuscript; available in PMC: 2011 Jan 1.

Published in final edited form as: Matrix Biol. 2009 Aug 29;29(1):51–62. doi: 10.1016/j.matbio.2009.08.004

Table 1.

Estimated fixed charged density in PEG-ChS hydrogels

	Fixed Charged Density, mEq/mL
Cartilage	0.098–0.132^a
20% ChS Hydrogel	0.095 ± 0.018
40% ChS Hydrogel	0.197 ± 0.0012^**

^a

Intrinsic fixed charge density from full depth healthy 1–2 month old bovine articular cartilage reported by (Wang et. al., 2002);

^**

p<0.01 compared to PEG-ChS (80:20).