Fig. 2

SEM of native corn stover before (a, c) and after (b, d) 48 h hydrolysis by the extra-enzyme of C. owensensis and the native corn stover after incubated in the acetate buffer (pH 6.0) at 70 °C for 48 h (e, f)
SEM of native corn stover before (a, c) and after (b, d) 48 h hydrolysis by the extra-enzyme of C. owensensis and the native corn stover after incubated in the acetate buffer (pH 6.0) at 70 °C for 48 h (e, f)