Research Article
Synthesis and Properties of pH-, Thermo-, and Salt-Sensitive Modified Poly(aspartic acid)/Poly(vinyl alcohol) IPN Hydrogel and Its Drug Controlled Release
Figure 3
SEM images of KPAsp (a), KPAsp/PVA semi-IPN (b), and KPAsp/PVA IPN (c) hydrogels.
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(b) |
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