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. 2019 Apr 14;2019:2382563. doi: 10.1155/2019/2382563

Table 4.

In-vitro drug release kinetics of optimized NRG NE.

Various release models Coefficient of correlation (R2)
Zero Order 0.937
First Order 0.861
Higuchi 0.9269
Hixon-crowell 0.899

Data obtained from in-vitro drug release studies revealed that highest R2 value was obtained in case of Zero order model.