Table 2. Antimicrobial Activity of Nonimpregnated Fibers (PLA and PLA/PTTIQ) and of Impregnated Fibers with AMP (PLA + AMP and PLA/PTTIQ + AMP) against E. coli and E. faecalis.
E. coli |
E. faecalis |
|||
---|---|---|---|---|
Sample | Bacterial reduction (%) | log reduction | Bacterial reduction (%) | log reduction |
PLA/PTTIQ | 97 | 1.58 | 96 | 1.39 |
PLA/PTTIQ + AMP | 99.999 | 5 | 99.999 | 5 |
PLA + AMP | 99.999 | 5 | 99.999 | 5 |
PLA/PTTIQa | 83 | 0.77 | 77 | 0.63 |
PLA/PTTIQ + AMPa | 84 | 0.78 | 92 | 1.10 |
PLA + AMPa | 0 | 0 | 45 | 0.26 |
Results obtained in a second cycle of the antibacterial test.