Visible-light inactivation of escherichla coll on n-doped titanium oxide thin films

Pinggui Wu; Jian Ku Shang

Visible-light inactivation of escherichla coll on n-doped titanium oxide thin films

Pinggui Wu, Jian Ku Shang

Materials Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Antimicrobial behavior of nitrogen-doped titanium dioxide (TiO _2-xN_x) thin films was examined by cell viability assays under visible light illumination, using Escherichia coli as the indicator. The nitrogen doping was found to enable visible-light inactivation of Escherichia coli on titanium oxide films. At a light intensity of 1.6 mW/cm², TiO_2-xN_x films reached a bacterial killing rate of about 50% in half an hour, comparable to those reported for ultraviolet light irradiated TiO₂. In the range of nitrogen concentrations from 0.2 to 0.9, the bacterial killing rates showed no clear correlation with the nitrogen concentration for the TiO_2-xN_x films.

Original language	English (US)
Title of host publication	Materials Science of Water Purification
Pages	32-46
Number of pages	15
Volume	930
State	Published - 2006
Event	2006 MRS Spring Meeting - San Francisco, CA, United States Duration: Apr 17 2006 → Apr 21 2006

Other

Other	2006 MRS Spring Meeting
Country/Territory	United States
City	San Francisco, CA
Period	4/17/06 → 4/21/06

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

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title = "Visible-light inactivation of escherichla coll on n-doped titanium oxide thin films",

abstract = "Antimicrobial behavior of nitrogen-doped titanium dioxide (TiO 2-xNx) thin films was examined by cell viability assays under visible light illumination, using Escherichia coli as the indicator. The nitrogen doping was found to enable visible-light inactivation of Escherichia coli on titanium oxide films. At a light intensity of 1.6 mW/cm2, TiO2-xNx films reached a bacterial killing rate of about 50% in half an hour, comparable to those reported for ultraviolet light irradiated TiO2. In the range of nitrogen concentrations from 0.2 to 0.9, the bacterial killing rates showed no clear correlation with the nitrogen concentration for the TiO2-xNx films.",

author = "Pinggui Wu and Shang, {Jian Ku}",

year = "2006",

language = "English (US)",

isbn = "155899887X",

volume = "930",

pages = "32--46",

booktitle = "Materials Science of Water Purification",

note = "2006 MRS Spring Meeting ; Conference date: 17-04-2006 Through 21-04-2006",

}

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T1 - Visible-light inactivation of escherichla coll on n-doped titanium oxide thin films

AU - Wu, Pinggui

AU - Shang, Jian Ku

PY - 2006

Y1 - 2006

N2 - Antimicrobial behavior of nitrogen-doped titanium dioxide (TiO 2-xNx) thin films was examined by cell viability assays under visible light illumination, using Escherichia coli as the indicator. The nitrogen doping was found to enable visible-light inactivation of Escherichia coli on titanium oxide films. At a light intensity of 1.6 mW/cm2, TiO2-xNx films reached a bacterial killing rate of about 50% in half an hour, comparable to those reported for ultraviolet light irradiated TiO2. In the range of nitrogen concentrations from 0.2 to 0.9, the bacterial killing rates showed no clear correlation with the nitrogen concentration for the TiO2-xNx films.

AB - Antimicrobial behavior of nitrogen-doped titanium dioxide (TiO 2-xNx) thin films was examined by cell viability assays under visible light illumination, using Escherichia coli as the indicator. The nitrogen doping was found to enable visible-light inactivation of Escherichia coli on titanium oxide films. At a light intensity of 1.6 mW/cm2, TiO2-xNx films reached a bacterial killing rate of about 50% in half an hour, comparable to those reported for ultraviolet light irradiated TiO2. In the range of nitrogen concentrations from 0.2 to 0.9, the bacterial killing rates showed no clear correlation with the nitrogen concentration for the TiO2-xNx films.

UR - http://www.scopus.com/inward/record.url?scp=33947656034&partnerID=8YFLogxK

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M3 - Conference contribution

AN - SCOPUS:33947656034

SN - 155899887X

SN - 9781558998872

VL - 930

SP - 32

EP - 46

BT - Materials Science of Water Purification

T2 - 2006 MRS Spring Meeting

Y2 - 17 April 2006 through 21 April 2006

ER -

Visible-light inactivation of escherichla coll on n-doped titanium oxide thin films

Abstract

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