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. 2019 Dec 4;4(25):21439–21445. doi: 10.1021/acsomega.9b03132

Table 3. Antibacterial Activity of PLA Films against E. coli and S. aureus.

  E. coli
S. aureus
samples log reduction (R) antibacterial rate (%) log reduction (R) antibacterial rate (%)
contrast sample (PE)        
PLA films 0.17 32 0.55 72
PLA-g-PAA-2 0.21 38 0.43 63
PLA-g-PAA-Ag-1 4.0 >99 0.8 84
PLA-g-PAA-Ag-2 >5.5 >99 2.3 99
PLA-g-PAA-Ag-3 >5.5 >99 3.1 >99
PLA-g-PAA-Ag-4 >6.3 >99 >4.6 >99
PLA-g-PAA-Ag-5 >6.3 >99 >4.6 >99
PLA-g-PAA-Ag-6 >6.3 >99 4.6 >99