Fig. 5From: Applicability of enzymatic and phenol–sulfuric acid methods for determination of cellulose nanofibers in ecotoxicity testingGlucose production from algae by the enzymatic method. Raphidocelis subcapitata (a) and Chlorella vulgaris (b) were measured using the enzymatic method. Error bars: standard deviations (n = 3–4)Back to article page