Figure 4

Susceptibility of S. aureus (A) and S. epidermidis (B) biofilms to treatment with sodium metaperiodate and proteinase K. Strains SA 1, SA 24, SA 25, SA 418, SA 420 and SE 29 were grown in BHI supplemented with 4% NaCl at 37°C for 24 h prior to treatment. The remaining strains were grown in BHI supplemented with 1% glucose at 37°C for 24 h prior to treatment.