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Table 2 Viable counts of P. aeruginosa biofilm bacteria treated with NAC combined with ciprofloxacin (lg [CFU/cm2])

From: N-acetylcysteine inhibit biofilms produced by Pseudomonas aeruginosa

NAC (mg/ml) ciprofloxacin (MIC)
  0 1/2 1 2 4 8
0 7.11 ± 0.34 6.96 ± 0.34 6.95 ± 0.31 6.84 ± 0.32 6.76 ± 0.29 6.60 ± 0.30
0.5 6.97 ± 0.31 6.70 ± 0.31 6.65* ± 0.33 6.40* ± 0.46 6.37* ± 0.33 6.06* ± 0.48
1 6.87 ± 0.34 6.58* ± 0.26 6.47* ± 0.33 6.23* ± 0.37 5.94* ± 0.56 5.62* ± 0.59
2.5 6.45* ± 0.27 6.22* ± 0.25 6.15* ± 0.26 6.03* ± 0.35 5.76* ± 0.58 5.05* ± 0.35
  1. Note: n = 20 strains, *compared with NAC at 0 mg/ml and the same concentration of ciprofloxacin, P < 0.01