Fig. 3From: Applicability of enzymatic and phenol–sulfuric acid methods for determination of cellulose nanofibers in ecotoxicity testingChronological degradation of CNFs using cellulase. BSKP- and TEMPO-CNFs were degraded by Cellic CTec2 for 2, 4, 6, and 20 h. Error bars: standard deviations (n = 3)Back to article page