Table 1.
Composition of hydrogels.
Fig 1.
Proposed reaction mechanism of Schiff base crosslinking of NSC and formation of semi-IPN through embedding of Poly (AAm-co-AA) in NSC network.
Fig 2.
FTIR spectra of a) chitosan, b) NSC, c) Poly (AAm-co-AA), and d) SP2 hydrogel.
Fig 3.
The NMR spectra of, a) 1H NMR of chitosan, b) 13C NMR of chitosan, c) 1H NMR of NSC, d) 13C NMR of NSC.
Fig 4.
XRD spectra of the a) chitosan, b) NSC, and c) SP2 hydrogel.
Fig 5.
TGA graphs of a) NSC and b) SP2 hydrogel.
Fig 6.
Represent the surface morphology of a) SP1, b) SP2, c) SP3, d) SP7.
Fig 7.
Swelling ratios of N-succinyl chitosan/ poly (AAm-co-AA) hydrogels at a) pH 7.4, b) pH 1.2.
Table 2.
ESR at pH 1.2.
Table 3.
ESR at pH 7.4.
Table 4.
Diffusion parameters at pH 1.2/ pH 7.4.
Table 5.
Drug loading and encapsulation efficiency.
Fig 8.
Drug release at pH 1.2 and pH 7.4.
Table 6.
Drug release kinetics at pH 1.2/ pH 7.4.