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Article: Electrodeposition for antibacterial nickel-oxide-based coatings

TitleElectrodeposition for antibacterial nickel-oxide-based coatings
Authors
KeywordsBactericidal coatings
Electrodeposition
Oxides
Scanning electron microscopy
X-ray diffraction
Issue Date2009
PublisherElsevier S.A.. The Journal's web site is located at http://www.elsevier.com/locate/tsf
Citation
Thin Solid Films, 2009, v. 517 n. 24, p. 6527-6530 How to Cite?
AbstractNickel-oxide-based films exhibiting antibacterial activity against both Gram-negative (Escherichia coli) and Gram-positive bacteria (Bacillus atrophaeus) have been fabricated by electrodeposition from aqueous solutions. However, after annealing of the films, no antibacterial activity has been observed. As-deposited films were found to consist of a mixture of nickel-oxide hydroxide and nickel hydroxide, while annealing resulted in the conversion of the films into pure NiO. Also, annealed films exhibited no production of H2O2, unlike as-deposited films. Thus, antibacterial activity of as-deposited films is related to the presence of nickel-oxide hydroxide/nickel hydroxide which results in the production of reactive oxygen species and antibacterial activity. © 2009 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/70146
ISSN
2015 Impact Factor: 1.761
2015 SCImago Journal Rankings: 0.726
ISI Accession Number ID
Funding AgencyGrant Number
University Development Fund grant
University of Hong Kong
Hung Hing Ying Physical Sciences research Fund
Health, Welfare, and Food Bureau, Hong Kong Government07060602
Funding Information:

This work is partly supported by the University Development Fund grant and Outstanding Young Researcher Award of the University of Hong Kong, Hung Hing Ying Physical Sciences research Fund, and Research Fund for the Control of Infectious Diseases grant (Ref. No. 07060602) funded by the Health, Welfare, and Food Bureau, Hong Kong Government. The authors would like to thank Mr. M. W. L Chiang from City University of Hong Kong for his help in obtaining the TEM images.

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorXi, YYen_HK
dc.contributor.authorHuang, BQen_HK
dc.contributor.authorDjurišić, ABen_HK
dc.contributor.authorChan, CMNen_HK
dc.contributor.authorLeung, FCCen_HK
dc.contributor.authorChan, WKen_HK
dc.contributor.authorAu, DTWen_HK
dc.date.accessioned2010-09-06T06:20:08Z-
dc.date.available2010-09-06T06:20:08Z-
dc.date.issued2009en_HK
dc.identifier.citationThin Solid Films, 2009, v. 517 n. 24, p. 6527-6530en_HK
dc.identifier.issn0040-6090en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70146-
dc.description.abstractNickel-oxide-based films exhibiting antibacterial activity against both Gram-negative (Escherichia coli) and Gram-positive bacteria (Bacillus atrophaeus) have been fabricated by electrodeposition from aqueous solutions. However, after annealing of the films, no antibacterial activity has been observed. As-deposited films were found to consist of a mixture of nickel-oxide hydroxide and nickel hydroxide, while annealing resulted in the conversion of the films into pure NiO. Also, annealed films exhibited no production of H2O2, unlike as-deposited films. Thus, antibacterial activity of as-deposited films is related to the presence of nickel-oxide hydroxide/nickel hydroxide which results in the production of reactive oxygen species and antibacterial activity. © 2009 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier S.A.. The Journal's web site is located at http://www.elsevier.com/locate/tsfen_HK
dc.relation.ispartofThin Solid Filmsen_HK
dc.subjectBactericidal coatingsen_HK
dc.subjectElectrodepositionen_HK
dc.subjectOxidesen_HK
dc.subjectScanning electron microscopyen_HK
dc.subjectX-ray diffractionen_HK
dc.titleElectrodeposition for antibacterial nickel-oxide-based coatingsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0040-6090&volume=517&spage=6527&epage=6530&date=2009&atitle=Electrodeposition+for+antibacterial+nickel-oxide-based+coatingsen_HK
dc.identifier.emailDjurišić, AB: dalek@hku.hken_HK
dc.identifier.emailLeung, FCC: fcleung@hkucc.hku.hken_HK
dc.identifier.emailChan, WK: waichan@hku.hken_HK
dc.identifier.authorityDjurišić, AB=rp00690en_HK
dc.identifier.authorityLeung, FCC=rp00731en_HK
dc.identifier.authorityChan, WK=rp00667en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.tsf.2009.04.018en_HK
dc.identifier.scopuseid_2-s2.0-71749121286en_HK
dc.identifier.hkuros168038en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-71749121286&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume517en_HK
dc.identifier.issue24en_HK
dc.identifier.spage6527en_HK
dc.identifier.epage6530en_HK
dc.identifier.isiWOS:000270410800011-
dc.publisher.placeSwitzerlanden_HK
dc.relation.projectAntimicrobial nanostructured coatings deposited by low temperature, inexpensive, solution methods-
dc.identifier.scopusauthoridXi, YY=23053521800en_HK
dc.identifier.scopusauthoridHuang, BQ=35240301800en_HK
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_HK
dc.identifier.scopusauthoridChan, CMN=35239877600en_HK
dc.identifier.scopusauthoridLeung, FCC=7103078633en_HK
dc.identifier.scopusauthoridChan, WK=13310083000en_HK
dc.identifier.scopusauthoridAu, DTW=35239719800en_HK

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