Figure 2 | Scientific Reports

Figure 2

From: Pore-scale dynamics of enzyme adsorption, swelling and reactive dissolution determine sugar yield in hemicellulose hydrolysis for biofuel production

Figure 2

Surface morphology and contact angle.

(a–c,e–p) FESEM images. (a) Beechwood xylan. (b) Pores on the surface of beechwood xylan. (c) Endoxylanase. (d) Contact angles between liquid and hemicellulose’s surface measured by Goniometer (ram´e-hart Germany) are 39.9 ° (left) and 40.6 ° (right). (e–h) Adsorbed enzyme on the solid hemicellulose at 4 h and E0/Cs = 0.1. (i–l) Pores structure on the surface of solid residue obtained from the enzymatic hydrolysis of xylan at 40 °C and at 1 h. (m–p) Pores structure on the solid surface at 5 h. In (i–p) the solid residues are more porous than in (b) due to the rapid pore-scale dissolution of the solid. Scale bars: (a,c) 1 μm; (b,e–p) 100 nm.

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