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Table 2 Results of release kinetic models of various chitosan-based PEC beads containing Diclofenac sodium (1–6 h)

From: Preparation and evaluation of polymeric beads composed of Chitosan–Gellan Gum–Gum Ghatti/-Gum Karaya polyelectrolyte complexes as polymeric carrier for enteric sustained delivery of Diclofenac sodium

Formulation code r2 value
Zero-order model First-order model Higuchi model
P1 0.9316 0.8971 0.9502
P2 0.9548 0.8398 0.9563
P3 0.9441 0.9274 0.9382
P4 0.9753 0.9039 0.9118
P5 0.9392 0.9533 0.9101
P6 0.8568 0.9931 0.9632