Table 2.

mg of immobilized ficin/gr GO-Fe₃O₄ and GO.

Time (h)	GO-Fe3O4/ficin	GO/ficin
2	51.60 ± 0.71gK	53.65 ± 0.55hK
3	85.13 ± 1.01fJ	86.90 ± 0.15gJ
4	134.10 ± 1.38eI	138.39 ± 1.27fH
5	171.08 ± 1.07dG	173.67 ± 1.78eG
6	188.97 ± 1.17cF	191.64 ± 1.63dFG
7	250.63 ± 0.38aAB	256.86 ± 0.79aA
8	240.54 ± 1.14bDE	243.27 ± 1.40bcC
9	242.12 ± 0.20bC	245.98 ± 0.68bB
10	240.39 ± 0.74bD	242.08 ± 0.64bcC
11	239.21 ± 0.98bD	241.68 ± 0.48bcE
12	240.68 ± 0.49bDE	241.00 ± 2.44cE

Different lowercase letters within a column and uppercase letters within a row show significant (p < 0.05) differences.