Storage stability of I-PGP complex Dye colour removal (%)
Days (d) Remaining Activity (%) DR19  (λ495nm) DR19 and DB9 (λ460nm)
5 91.5 89.8 76.7
10 76.8 88.7 74.3
15 74.6 87.4 73.6
20 69.8 85.9 73.2
25 67.5 83.3 71.4
30 61.9 77.9 69.7
35 53.4 73.5 59.9
40 45.3 67.2 56.2
50 34.5 53.8 41.7
60 23.8 29.3 22.6
Table 2: Storage stability of DEAE- immobilized PGP preparations. Expressed activity is the activity achieved after immobilization. Original activity is the activity of soluble counterparts and taken as 100%.