Research Article

Comparison of Various Generations of Superporous Hydrogels Based on Chitosan-Acrylamide and In Vitro Drug Release

Table 2

Formulation codes of different batches of superporous hydrogels based on posttreatment and drying conditions.

BatchPosttreatmentDrying conditions

CSPH1EthanolOven drying at 55°C
CSPH2SGFOven drying at 55°C
CSPH3Freeze drying

SPHC11EthanolOven drying at 55°C
SPHC12SGFOven drying at 55°C
SPHC13Freeze drying
SPHC21EthanolOven drying at 55°C
SPHC22SGFOven drying at 55°C
SPHC23Freeze drying

SPHIPN11EthanolOven drying at 55°C
SPHIPN12SGFOven drying at 55°C
SPHIPN13Freeze drying
SPHIPN21EthanolOven drying at 55°C
SPHIPN22SGFOven drying at 55°C
SPHIPN23Freeze drying