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The assessment of the antibacterial activity of self-crosslinked hydrogels at three different weight ratios of oxidized alginate to carboxymethyl chitosan by measuring the hydrogels’ inhibition of bacterial growth against (A) Streptococcus mutans and (B) Streptococcus sobrinus. Data are shown as mean and error bars represent the standard deviation of three independent experimental replicates (statistically significant results indicated in the graphs, * p < 0.05).
