Research Article

Characterization of Magnetic Nanoparticles Coated with Chitosan: A Potential Approach for Enzyme Immobilization

Table 1

Custom design of response surface methodology to synthesize magnetic particles maximizing the amount of relative protein loading and magnetically attracted mass.

TreatmentChitosan (% )Sonication time (min)Genipin (% )Relative protein absorbed by support (% )Relative mass attracted (% )PLMA (%)

11.03.00.10010.40 ± 0.3494.43 ± 0.1173.26 ± 0.00
20.56.50.05569.59 ± 0.4298.18 ± 0.1890.28 ± 0.03
31.010.00.01050.11 ± 1.6496.11 ± 0.2584.05 ± 0.22
41.06.50.05515.50 ± 0.2396.84 ± 0.0974.51 ± 3.28
50.56.50.010100.00 ± 5.5999.07 ± 0.3898.25 ± 1.11
61.53.00.05571.58 ± 0.4798.27 ± 0.0190.82 ± 0.13
71.56.50.0551.55 ± 0.2495.66 ± 2.7272.05 ± 2.10
80.53.00.0100.63 ± 0.18100.00 ± 0.1275.08 ± 0.05
91.53.00.01060.82 ± 0.2196.67 ± 0.0187.04 ± 0.06
101.010.00.1000.69 ± 0.0596.46 ± 0.0572.45 ± 0.05
1116.50.05515.50 ± 0.0896.24 ± 0.2274.52 ± 3.01

PLMA: [(PL + MA) × 0.5] ± standard deviation () of relative protein loading and relative mass attracted.