Photoinduced bactericidal activity against Pseudomonas aeruginosa by TiO(2) based thin films.

Abstract:

:The photoinduced bactericidal capacity of TiO(2) based films was evaluated, using as model organism Pseudomonas aeruginosa. Thin films were obtained by spray pyrolysis; they included undoped, Cu doped, and Al doped TiO(2). Scanning electron microscopy was used to observe the final effect of the irradiated films upon the bacteria. Depending on the composition and characteristics of the films, quantitative experiments show that bacterial inhibition varies between 28 and 96%. The order of magnitude of the average quantum yield of the films was determined between 10(-9) and 10(-11) inhibited bacterial per photon.

journal_name

FEMS Microbiol Lett

authors

Amézaga-Madrid P,Nevárez-Moorillón GV,Orrantia-Borunda E,Miki-Yoshida M

doi

10.1111/j.1574-6968.2002.tb11222.x

keywords:

subject

Has Abstract

pub_date

2002-06-04 00:00:00

pages

183-8

issue

2

eissn

0378-1097

issn

1574-6968

pii

S0378109702006869

journal_volume

211

pub_type

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