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Table 2 Activities of P . ostreatus IBL-02 laccase immobilized in sol-gels of different hydrophobicities

From: Improvement of Catalytic Efficiency, Thermo-stability and Dye Decolorization Capability of Pleurotus ostreatusIBL-02 laccase by Hydrophobic Sol Gel Entrapment

No. Gel precursors TMOS:PTMS (molar ratio) Specific activity (U/mg) Degree of immobilization Specific activity corrected* (U/mg) Relative activity
1 Free laccase 573   573 1
2 1:1 335 0.41 670 2.5
3 1:2 317 0.44 720 2.7
4 1:5 398 0.30 1326 3.3
5 1:10 288 0.49 587 2.0
6 1:15 170 0.52 326 1.9
7 1:20 149 0.56 266 1.7
8 1:25 97 0.58 167 1.7
9 1:30 11 0.63 17 1.5
  1. *Activities were corrected with degree of immobilization.