PHEMA Hydrogels Obtained by Infrared Radiation for Cartilage Tissue Engineering

Table 1

Composition of the samples used in the infrared radiation-induced synthesis.

Sample ID	HEMA/water (% wt)	DEGDMA (% wt)	KPS (% wt)	BPO (% wt)
A	40/60	2	1	NA
B	80/20	2	1	NA
C	100/0	1	NA	1
D	100/0	2	NA	1
E	100/0	3	NA	1

NA: not added; relative to monomer HEMA weight.