Fig. 5

Morphology of LPMO-treated kraft fibers. Optical microscopy images of kraft fibers before (a–c) and after (d–f) mechanical dispersion for control samples (a, d), LPMO-FL-treated fibers (b, e) and LPMO-CD-treated fibers (c, f). AFM topographical images after LPMO treatment and dispersion for control kraft fibers (g), LPMO-FL-treated fibers (h) and LPMO-CD-treated fibers (i)