Fabrication of Core-Shell PEI/pBMP2-PLGA Electrospun Scaffold for Gene Delivery to Periodontal Ligament Stem Cells

Table 2

Mechanical properties of the three groups of electrospun scaffolds (mean standard deviation).

	Core-shell scaffold	Single axial scaffold	PLGA scaffolds
Ultimate strength (MPa)	3.51 0.5	2.57 0.31	4.60 0.46
Elastic modulus (MPa)	11.34 3.22	10.23 4.08	15.57 0.96
Ultimate strain (%)	29.87 3.98	26.45 2.53	35.46 3.92