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. Author manuscript; available in PMC: 2017 Jun 13.

Published in final edited form as: Biomaterials. 2014 Nov 27;40:32–42. doi: 10.1016/j.biomaterials.2014.10.051

Table 1.

6 kDa PEGDA IPN tensile modulus and tensile strength as a function of infiltration time.

	Formulation	Tensile Modulus, E [kPa]	Tensile Strength, TS [kPa]
Controls	PEGDA 10 w/v% (nominal)	31.0 ± 4.2	46.1 ± 15.0
Controls	Collagen 3 mg/ml	ND	ND

Infiltration Time [min]	15	37.2 ± 9.5	32.4 ± 15.3
	30	62.8 ± 4.3^a	77.4 ± 14.6^b
	45	78.6 ± 12.4^a,^b	120.7 ± 12.8^a,^b,^c
	60	70.8 ± 9.0^a,^b	107.8 ± 19.1^a,^b

(ND) Not able to be determined with ring tension test;

^a

significantly different from nominal 10% w/v 6 kDa PEGDA, p < 0.05;

^b

significantly different from 15 min infiltration time, p < 0.05;

^c

significantly different from 30 min infiltration time, p < 0.05.