Samples Ratio(ml:ml) Ag(ml%) Sterilizing Rate
PE ETT 0 0
TEOS/KH570/MTES 15:6:1 0 0
TEOS/KH570/MTES/Ag-SiO2 15:6:1:0.2 0.9 71.3%
  15:6:1:0.4 1.8 71%
  15:6:1:0.6 2.6 93.5%
  15:6:1:0.8 2.5 93.7%
  15:6:1:1.0 4.3 93.3%
Table 3: The antimicrobial property of the silicone-modified antimicrobial PE ETT with or without Ag-SiO2.