Table 2.

Preparation conditions and swelling properties of PGD-G4 hydrogels.

Sample Code	Conc. of EGDGE (mmol/mL)	Conc. of PGD-G4 (wt. %)	EGDGE/OH Groups	Swelling Ratio (q)
				In Water	In Ethanol
G4-EG(NaOH)0.15	0.658	32	0.15	4.68	1.36
G4-EG(NaOH)0.5	1.217	18	0.5	7.41	2.05
G4-EG(NaOH)0.75	1.171	11	0.75	37.44	2.45
G4-EG(NaOH)1.0	1.564	11	1.0	9.95	2.14