Fabrication of Biodegradable Polyester Nanocomposites by Electrospinning for Tissue Engineering

Table 2

Chemical composition of the fiber mats calculated from ESCA survey scan spectra.

Mat	Composition (atom %)
	C	O	N	S
PLA	63.1	36.9	0	0
PLA/gelatin	64.0	33.4	2.6	0
PLA/keratin	63.9	34.4	1.3	0.4