Effect of silver-carrying photocatalyst "Hikari-Gintech" on mycobacterial growth in vitro

Microbiol Immunol. 2004;48(7):489-95. doi: 10.1111/j.1348-0421.2004.tb03541.x.

Abstract

The antimycobacterial activity of "Hikari-Gintech" powder, which has photocatalytic activity, was examined in vitro. Both powder dissolved in liquid and Hikari-Gintech-coated cloths showed strong antimycobacterial activity against Mycobacterium tuberculosis H37Rv, M. bovis BCG Pasteur, multi-drug-resistant M. tuberculosis (a clinical isolate) and M. avium. Hikari-Gintech powder appeared to affect mycobacterial cell wall metabolism rather than mycobacterial DNA because no damage to mycobacterial DNA was detected after spraying with Hikari-Gintech solution.

MeSH terms

  • Anti-Bacterial Agents / pharmacology*
  • Drug Resistance, Multiple, Bacterial
  • Humans
  • Mycobacterium / drug effects*
  • Mycobacterium / growth & development
  • Mycobacterium avium / drug effects
  • Mycobacterium avium / growth & development
  • Mycobacterium bovis / drug effects
  • Mycobacterium bovis / growth & development
  • Mycobacterium tuberculosis / drug effects
  • Mycobacterium tuberculosis / growth & development
  • Powders
  • Silver / administration & dosage
  • Silver / chemistry
  • Silver / pharmacology*
  • Solutions
  • Titanium / administration & dosage
  • Titanium / chemistry
  • Titanium / pharmacology*

Substances

  • Anti-Bacterial Agents
  • Powders
  • Solutions
  • titanium dioxide
  • Silver
  • Titanium