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(A) Representative inhibition halo (ID) of E. coli with SiO2/PEG50wt% and SiO2/PEG50wt%/CGA20wt%. (B) The diameter (mm) of inhibition zone of all materials incubated with E. coli and E. faecalis. Values are the mean SD of measurements carried out on samples analyzed three times. The means and S.D. are shown. *, p < 0.05 versus the bacteria control treated with hybrids without CGA, or versus the bacteria treated with hybrids containing CGA.
