Preparation of a Sustained Release Drug Delivery System for Dexamethasone by a Thermosensitive, In Situ Forming Hydrogel for Use in Differentiation of Dental Pulp

Table 2

Gel formation temperature of copolymers.

Copolymer conc. (% w/v)	Drug conc. (%w/v)
	0		0.1		0.5
	C1	C2	C1	C2	C1	C2
28	14.7	13.3	14.4	13	14	13
23	17.4	16.2	17	16	16.8	15.5
17	21.2	20	21	19.5	20	19

C1: PLGA-PEG-PLGA with LA : GA= 3 : 1, C2: with LA : GA = 5 : 1; the sol to gel transition temperature (∘C) is written in bold.