Table 2.

Porosity of materials.

Parameter	CS-Film [32]	CS-Nonwoven	CS–HA-Nonwoven
Average logarithmic pore radius, nm	1.17	1.62	1.89
Average pore radius, nm	241	489	416
Porosity over weight, cm3/g	0.29	9.36	6.02
Porosity over volume, cm3/cm3	0.29	0.976	0.587
Meso- and macro-pore surface over weight, m2/g	29.9	878	950
Meso- and macro-pore surface over volume, m2/cm3	29.2	89.1	92.7
Total pore surface over weight, m2/g	23.3	2464	1027
Total pore surface over volume, m2/cm3	22.8	257	100