Drug Name Time (h) Biofilm concentration (cfu/peg)a before treatment (A) Biofilm concentration (cfu/peg)b after treatment (B) Log reduction (logA-logB) MRSA MRSA MRSA Daptomycine 12 4.3x108(8.63)a 2.4x106(6.38)a 2.25 Teicoplanin 12 6.2x108(8.79)a 3.6x106(6.55)a 2.24 Linezolid 12 5.3x108(8.72)a 1.8x105(5.25)a 3.47 Vancoplus 12 6.4x108(8.80)a 3.2x103(3.50)a 5.3 Clindamycin 12 4.9x108(8.69)a 2.8x106(6.44)a 2.25

This study was conducted only on strong biofilm producer strains.

Table 5: Effect of antibacterial agents on biofilm.