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Susceptibility of five Escherichia coli strains to cationic biocides. Minimum inhibitory concentrations of benzalkonium chloride (BAC), chlorhexidine dihydrochloride (CHX), cetylpyridinium chloride (CTP), didecyldimethylammonium chloride (DDAC), and octenidine dihydrochloride (OCT) determined by wet plate procedure (WP; filled dots) and dried plates (DP; empty dots) are shown. Lines represent the respective modal values.
