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. 2017 Nov 6;12(11):e0187418. doi: 10.1371/journal.pone.0187418

Table 2. Mean values of log10(CFU/mL) and standard deviation of the triple-species biofilm for each group evaluated.

Groups
C-L- C-L+ N C+L- C+L+
not washed washed not washed washed not washed washed not washed washed
Free CUR
S. mutans 6.59 (0.27)A 5.18 (0.28) 6.60 (0.15)A 5.51 (0.10) - 6.53 (0.21)A 5.26 (0.02) 5.54 (0.57)B 3.37 (0.62)
C. albicans 6.03 (0.51)A 5.09 (0.04) 5.84 (0.39)A 5.29 (0.10) - 5.67 (0.96)A 5.17 (0.02) 3.62 (2.00)B 5.15 (0.07)
MRSA 7.53 (0.39)A 6.32 (0.13) 7.23 (0.44)A 6.56 (0.06) - 7.30 (0.32)A 6.53 (0.03) 6.63 (0.45)B 5.25 (0.08)
Anionic CUR-NP
S. mutans 7.57 (0.23)A 5.58 (0.23) 7.43 (0.42)A 5.47 (0.28) 7.39 (0.11)A 7.58 (0.25)A 5.56 (0.26) 7.48 (0.22)A 4.59 (0.25)
C. albicans 6.54 (0.19)ABC 5.42 (0.15) 6.64 (0.24)ABC 5.50 (0.23) 6.74 (0.12)B 6.55 (0.13)ABC 5.53 (0.11) 6.49 (0.17)C 5.40 (0.15)
MRSA 7.77 (0.18)A 6.63 (0.28) 7.67 (0.19)A 6.57 (0.14) 7.73 (0.16)A 7.64 (0.25)A 6.52 (0.26) 7.65 (0.14)A 6.26 (0.41)
Cationic CUR-NP
S. mutans 7.72 (0.13)A 5.82 (0.25) 7.74 (0.16)A 5.73 (0.38) 3.23 (1.49)B 2.67 (1.81)B 4.19 (0.09) 3.28 (1.01)B 3.40 (0.23)
C. albicans 6.61 (0.31)A 5.34 (0.19) 6.47 (0.26)A 5.54 (0.16) 5.35 (0.53)B 4.29 (0.53)C 4.16 (0.40) 4.35 (0.53)C 3.59 (0.15)
MRSA 7.75 (0.27)A 6.44 (0.17) 7.81 (0.06)A 6.62 (0.21) 6.47 (0.26)B 5.23 (1.01)C 5.50 (0.28) 3.54 (1.51)C 5.24 (0.26)

-: not evaluated; different letters denote significant difference (p<0.05) for non-washed samples; washed samples: n = 6 for anionic and cationic CUR-NP, and n = 3 for free CUR in each group (no statistical inference was performed).