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Table 2 Release characteristic parameters of release profiles of BSA adsorption on apatite (Ap)-coated citric acid–stabilized cobalt ferrite (CFCA) (CFCA-Ap) particles

From: Biomagnetic of Apatite-Coated Cobalt Ferrite: A Core–Shell Particle for Protein Adsorption and pH-Controlled Release

pH

Y = ktn; y = M t /M0

Y = φb(1 - exp(-kbt)); y = M t /M0

 

K (h -1 )

n

R c

φ b

k b (h -1 )

R c

4.0

67.215

0.25

0.957

100.00

0.805

0.989

6.5

35.031

0.40

0.883

70.430

0.659

0.974

7.4

22.184

0.30

0.868

35.417

0.605

0.973

  1. φb is the fraction of drug released through initial burst

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