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Cell viability of CNF and CO-CNF. Data are expressed as mean ± SD. The asterisk (*) indicated the significant differences of the groups from the highest cell viability percentage (6.25 µg/mL of CO-CNF) at p < 0.05 analyzed by Tukey’s test.
Abbreviations: CNF, cellulose nanofibers; CO-CNF, ĸ-carrageenan oligosaccharides linked cellulose nanofibers.
