Figure 2From: Interactive forces between lignin and cellulase as determined by atomic force microscopyRepresentative AFM force curves between the immobilized cellulase system and cellulose-coated tip, lignin-coated tip, and uncoated polystyrene tip. (a) Cellulose-coated tip, (b) lignin-coated tip, and (c) uncoated polystyrene tip. AFM, atomic force microscopy.Back to article page