Fabrication of Nanostructured Polyamic Acid Membranes for Antimicrobially Enhanced Water Purification

Table 1

UV-visible absorbance for broths treated with E. coli.

	Absorbance/turbidity (540 nm)	Absorbance-(xi)
Broth medium	0.0417	—
Sterilized broth medium with Au nanoparticles	0.426	—
Sterilized broth medium with Ag nanoparticles	0.419	—
Sterilized broth medium with 0.5 : 0.5 Au/Ag nanoparticles	0.429	—
E. coli control	0.221	—
E. coli in PAA : Au	0.694	0.182
E. coli in PAA : Ag	0.588	0.0845
E. coli in PAA : Au : Ag	0.528	0.0238