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BioMed Research International
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2015
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Article
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Tab 2
/
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
Table 2
Release kinetic parameters
,
, and
for
-
.
Diffusion medium
Sample
pH = 1.2
KPAsp
0.4073
1.82
0.9807
Semi-IPN
0.4858
1.9965
0.9919
IPN
0.5326
2.1609
0.9873
pH = 7.4
KPAsp
0.4196
1.9599
0.9819
Semi-IPN
0.4984
2.3187
0.9799
IPN
0.5306
2.507
0.9819