Research Article

Biodegradable In Situ Gel-Forming Controlled Drug Delivery System Based on Thermosensitive Poly( -caprolactone)-Poly(ethylene glycol)-Poly( -caprolactone) Hydrogel

Table 5

The effect of drug loading on the sol-gel transition temperature.

Copolymer concentration
(w/v %)
sol-gel transition temperature without drugsol-gel transition temperature
B12 (0.1%)
sol-gel transition temperature
B12 (0.5%)
sol-gel transition temperature naltrexone
HCl (0.1%)
sol-gel transition temperature naltrexone
HCl (0.5%)

20%

25%