NONCOVALENT IMMOBILIZATION OF BOVINE SERUM ALBUMIN ON OXIDIZED CELLULOSE

Figures & data

Figure 1. Structure of oxidized cellulose (OC).

Table I. Amounts of BSA Loaded on OC

Reaction Medium pH	Percent Binding (Std. Dev.)
pH 2	10.52 ± 0.15
pH 3	8.96 ± 0.22
pH 4	9.16 ± 0.23
pH 6	6.05 ± 0.08
pH 7	2.69 ± 0.07
Water (pH 2.4^a)	9.82 ± 0.30

^a pH of the OC dispersion.

Figure 2. Effect of reaction duration on the binding of BSA to OC (n=3).

Figure 3. Relationship between immobilization of BSA on OC and pH of the medium.

Figure 4. Release profiles of BSA from powder, pellet, and oil suspension dosage forms of OC-BSA prepared in water (n=3).

Figure 5. Release profiles of BSA from powder, pellet, and oil suspension dosage forms of OC-BSA prepared in pH 2.0 buffer solution (n=3).