Progress on Preparation of pH/Temperature-Sensitive Intelligent Hydrogels and Applications in Target Transport and Controlled Release of Drugs

Table 1

Critical solution temperature of temperature-sensitive intelligent hydrogel.

Name	Critical solution temperature/°C	References
Poly N-piperidine	5.5	[54]
BMA-PNIPAM	10	[42]
Poly N-methyl-N-PNIPAM	22.3	[54]
Acrylamide-L-proline methylase	24	[54]
Poly N-PNIPAM	30.9	[54]
Poly-N,N-diethyl acrylamide	32	[37]
Chitosan/β-sodium glycerophosphate/gelatin hydrogels	32.6	[55]
Chitosan/gelatin/genipin/β-sodium glycerophosphate hydrogel	37	[3]
Polyvinyl methyl ether	38.0	[54]
PEO-PLLA-PEG polymer hydrogel	45	[41]
Poly N-ethyl methacrylamide	50.0	[54]
Poly N-ethyl acrylamide	72.0	[54]
N-TBA/M,N-dimethylacrylamide copolymer	20-80	[56]
Methacrylic acid 2-(2-methoxy ethoxy) ethyl ester (MEO2MA)-methacrylic acid oligosity (glycol)ester (OEGMA) copolymer hydrogel	26-90	[57]