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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Acta Biomater. 2011 Dec 27;8(4):1498–1506. doi: 10.1016/j.actbio.2011.12.027

Table 2.

Determination of NCO content and active chlorine content

Sample NCO
(groups / cm2)		 Active Chlorine
(atoms / cm2)
Original PU 0 (1.18 ± 0.13) × 1014
PU-HDI (1.81 ± 0.15) × 1016 N/A
PU-HDI-DMH 0 (1.76 ± 0.11) × 1016