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. 2017 Jul 12;12(6):509–520. doi: 10.1016/j.ajps.2017.07.005

Table 4.

Mathematic modeling and drug release kinetics from microbeads, analyzed by regression coefficient method.

Formulation Zero order R2 First order R2 Higuchi R2 Korsmeyer–Peppas
R2 n
Medium without reducing agent
Microbeads containing thiolated HMP−DOX conjugate 0.938 0.838 0.471 0.974a 0.87
Microbeads containing thiolated LMP−DOX conjugate 0.948 0.648 0.762 0.976a 0.85
Medium with reducing agent (DTT)
Microbeads containing thiolated HMP−DOX conjugate 0.980a 0.825 0.816 0.973 0.67
Microbeads containing thiolated LMP−DOX conjugate 0.926a 0.879 0.677 0.792 0.58
DOX-loaded thiolated HMP microbeads 0.827 0.570 0.909 0.942a 0.56
DOX-loaded thiolated LMP microbeads 0.839 0.765 0.917 0.956a 0.44
a

The highest correlation coefficient (R2), compared to other models.