Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Results of antibacterial experiments carried out using photocatalytic paper (Sample 1) after incubation for 48 h (a) in the dark and (b) under illumination with a tungsten halogen lamp. The inhibition zone increased from 1.7×1.7 cm2 in the dark to 2.1×2.1 cm2 under visible-light illumination. Optical images taken at a magnification of 1000× (c) outside the inhibition zone and (d) inside the inhibition zone.
