Mechanical Properties and Biological Behavior of 3D Matrices Produced by Electrospinning from Protein-Enriched Polyurethane

Table 3

Mechanical characteristics of untreated and GA-treated matrices after incubation in PBS.

Matrix		Mechanical characteristics of matrix	Incubation in phosphate buffer for
			Control	7 days	21 days
Untreated	3% Tec-80A + 10% GL	Tensile strength	14.9 ± 1.6	15.7 ± 0.5	16.8 ± 0.9
		Elongation at break	398 ± 20	296 ± 38	298 ± 25
	3% Tec-80A + 15% GL	Tensile strength	15.6 ± 0.8	20.4 ± 1.7	17.0 ± 1.2
		Elongation at break	392 ± 51	293 ± 24	383 ± 47
	5% Tec-80A + 15% GL	Tensile strength	10.8 ± 0.3	14.2 ± 1.3	13.8 ± 1.2
		Elongation at break	376 ± 54	379 ± 37	527 ± 42
GA-treated	3% Tec-80A + 10% GL	Tensile strength	15.1 ± 1.8	17.3 ± 2.8	18.1 ± 0.8
		Elongation at break	298 ± 31	323 ± 24	304 ± 41
	3% Tec-80A + 15% GL	Tensile strength	9.2 ± 0.5	7.7 ± 1.2	9.9 ± 0.8
		Elongation at break	346 ± 27	477 ± 39	472 ± 64
	5% Tec-80A + 15% GL	Tensile strength	9.5 ± 1.6	11.0 ± 2.1	12.0 ± 1.1
		Elongation at break	287 ± 39	343 ± 51	530 ± 67

: tensile strength, MPa; elongation at break, %.