New Class of Antimicrobial Agents: SBA-15 Silica Containing Anchored Copper Ions

Figure 5

Macrodilution antimicrobial tests against Escherichia coli bacteria for SBA-15 silica containing anchored copper ions in molar concentration of 10% (a) and 5% (b). Control sample is SBA-15 silica containing pure propylphosphonate units (precursor of SBA-prop-POOCu).

(a)

(b)