Figure 1: Hydrolysis yields obtained from treating microcrystalline cellulose with immobilized cellulases for 9 successive cycles: a) C1S1; b) C1S2; c) C2S1; d) C2S2. Each hydrolysis reaction was conducted for 24 h in 0.1 M phosphate buffer (pH 5.0) at 50°C; n = 8; Mean ± standard error.