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Table 1 Antimicrobial activity data

From: Automation of antimicrobial activity screening

Growth condition IC50 (µM) MIC (µM) MBC (µM)
Planktonic growth CPC: 0.6 CPC: 1.2 CPC: 2.5
CPB: 0.5 CPB: 0.6 CPB: 4.9
CPI: 0.7 CPI: 1.2 CPI: 4.9
Biofilm forming CPC: 0.2 CPC: 0.4 CPC: 0.8
CPB: 0.2 CPB: 0.4 CPB: 0.8
CPI: 0.3 CPI: 0.4 CPI: 0.8
24 h biofilm CPC: 24 CPC: 43 CPC: 172
CPB: 20 CPB: 43 CPB: 172
CPI: 32 CPI: 86 CPI: 172
  1. The antimicrobial activity of three halide salts of cetylpyridinium (CPC, CPB, and CPI) against S. mutans under different culture conditions (planktonic, biofilm forming, and 24 h biofilm) was measured by IC50, MIC, and MBC in a single experiment. For each condition, no significant effect was observed for the identity of the halide counter ion within the precision of these measurements