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Article: Antibacterial activity of ZnO nanoparticles under ambient illumination - The effect of nanoparticle properties

TitleAntibacterial activity of ZnO nanoparticles under ambient illumination - The effect of nanoparticle properties
Authors
KeywordsAntibacterial Activity
Nanoparticles
Zinc Oxide
Issue Date2013
PublisherElsevier S.A.. The Journal's web site is located at http://www.elsevier.com/locate/tsf
Citation
Thin Solid Films, 2013, v. 542, p. 368-372 How to Cite?
AbstractZnO nanomaterials exhibit prominent antibacterial activity even without UV illumination. Their antibacterial activity was attributed to different mechanisms, such as production of reactive oxygen species (ROS) and/or release of zinc ions in solution. Here we examined the relationship between the properties of eight different ZnO nanoparticles, their production of ROS, zinc ion release and antibacterial activity. We found that while the particles exhibited differences in antibacterial activity, there was no correlation with ROS production and zinc ion release. However, ROS production was inversely correlated with the concentration of nonradiative defects indicating that the recombination losses of photogenerated carriers can negatively affect ROS production. © 2013 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/185486
ISSN
2015 Impact Factor: 1.761
2015 SCImago Journal Rankings: 0.726
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNg, YHen_US
dc.contributor.authorLeung, YHen_US
dc.contributor.authorLiu, FZen_US
dc.contributor.authorNg, AMCen_US
dc.contributor.authorGao, MHen_US
dc.contributor.authorChan, CMNen_US
dc.contributor.authorDjurišić, ABen_US
dc.contributor.authorLeung, FCCen_US
dc.contributor.authorChan, WKen_US
dc.date.accessioned2013-07-30T07:36:53Z-
dc.date.available2013-07-30T07:36:53Z-
dc.date.issued2013en_US
dc.identifier.citationThin Solid Films, 2013, v. 542, p. 368-372en_US
dc.identifier.issn0040-6090en_US
dc.identifier.urihttp://hdl.handle.net/10722/185486-
dc.description.abstractZnO nanomaterials exhibit prominent antibacterial activity even without UV illumination. Their antibacterial activity was attributed to different mechanisms, such as production of reactive oxygen species (ROS) and/or release of zinc ions in solution. Here we examined the relationship between the properties of eight different ZnO nanoparticles, their production of ROS, zinc ion release and antibacterial activity. We found that while the particles exhibited differences in antibacterial activity, there was no correlation with ROS production and zinc ion release. However, ROS production was inversely correlated with the concentration of nonradiative defects indicating that the recombination losses of photogenerated carriers can negatively affect ROS production. © 2013 Elsevier B.V. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier S.A.. The Journal's web site is located at http://www.elsevier.com/locate/tsfen_US
dc.relation.ispartofThin Solid Filmsen_US
dc.subjectAntibacterial Activityen_US
dc.subjectNanoparticlesen_US
dc.subjectZinc Oxideen_US
dc.titleAntibacterial activity of ZnO nanoparticles under ambient illumination - The effect of nanoparticle propertiesen_US
dc.typeArticleen_US
dc.identifier.emailDjurišić, AB: dalek@hku.hken_US
dc.identifier.authorityDjurišić, AB=rp00690en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.tsf.2013.05.167en_US
dc.identifier.scopuseid_2-s2.0-84881318161en_US
dc.identifier.hkuros221510-
dc.identifier.isiWOS:000323859400062-
dc.publisher.placeSwitzerlanden_US
dc.identifier.scopusauthoridNg, YH=55154006100en_US
dc.identifier.scopusauthoridLeung, YH=55440652500en_US
dc.identifier.scopusauthoridLiu, FZ=55599086400en_US
dc.identifier.scopusauthoridNg, AMC=55549733500en_US
dc.identifier.scopusauthoridGao, MH=55787499900en_US
dc.identifier.scopusauthoridChan, CMN=35239877600en_US
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_US
dc.identifier.scopusauthoridLeung, FCC=55787070400en_US
dc.identifier.scopusauthoridChan, WK=55746650000en_US

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