SilverBacteriV1, Main, Corpus, bibRecord, 000751

Synthesis of Ag ion-implanted TiO2 thin films for antibacterial application and photocatalytic performance.

Identifieur interne : 000751 ( Main/Corpus ); précédent : 000750; suivant : 000752

Synthesis of Ag ion-implanted TiO2 thin films for antibacterial application and photocatalytic performance.

Auteurs : Xinggang Hou ; Huiyan Ma ; Feng Liu ; Jianhua Deng ; Yukai Ai ; Xinlei Zhao ; Dong Mao ; Dejun Li ; Bin Liao

Source :

Journal of hazardous materials [ 1873-3336 ] ; 2015.

RBID : pubmed:26093355

English descriptors

KwdEn :
- Anti-Bacterial Agents (chemistry), Anti-Bacterial Agents (pharmacology), Catalysis (MeSH), Microscopy, Atomic Force (MeSH), Microscopy, Electron, Scanning (MeSH), Photochemical Processes (MeSH), Silver (chemistry), Titanium (chemistry).
MESH :
- chemical , chemistry : Anti-Bacterial Agents, Silver, Titanium.
- chemical , pharmacology : Anti-Bacterial Agents.
- Catalysis, Microscopy, Atomic Force, Microscopy, Electron, Scanning, Photochemical Processes.

Abstract

TiO2 thin films were deposited by spin coating method. Silver ions were implanted into the films using a Metal Vapor Vacuum Arc implanter. The antibacterial ability of implanted films was tested using Escherichia coli removal under fluorescent irradiation and in the dark. The concentration of E. coli was evaluated by plating technique. The photocatalytic efficiency of the implanted films was studied by degradation of methyl orange under fluorescent illumination. The surface free energy of the implanted TiO2 films was calculated by contact angle testing. Vitamin C was used as radical scavengers to explore the antibacterial mechanism of the films. The results supported the model that both generation of reactive oxygen species and release of silver ions played critical roles in the toxic effect of implanted films against E. coli. XPS experimental results demonstrated that a portion of the Ag(Ag(3+)) ions were doped into the crystalline lattice of TiO2. As demonstrated by density functional theory calculations, the impurity energy level of subtitutional Ag was responsible for enhanced absorption of visible light. Ag ion-implanted TiO2 films with excellent antibacterial efficiency against bacteria and decomposed ability against organic pollutants could be potent bactericidal surface in moist environment.

DOI: 10.1016/j.jhazmat.2015.05.014
PubMed: 26093355

Links to Exploration step

pubmed:26093355

Le document en format XML

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<author><name sortKey="Hou, Xinggang" sort="Hou, Xinggang" uniqKey="Hou X" first="Xinggang" last="Hou">Xinggang Hou</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China. Electronic address: hou226@mail.tjnu.edu.cn.</nlm:affiliation>
</affiliation>
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<author><name sortKey="Ma, Huiyan" sort="Ma, Huiyan" uniqKey="Ma H" first="Huiyan" last="Ma">Huiyan Ma</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
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<author><name sortKey="Liu, Feng" sort="Liu, Feng" uniqKey="Liu F" first="Feng" last="Liu">Feng Liu</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
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<author><name sortKey="Deng, Jianhua" sort="Deng, Jianhua" uniqKey="Deng J" first="Jianhua" last="Deng">Jianhua Deng</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
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<author><name sortKey="Ai, Yukai" sort="Ai, Yukai" uniqKey="Ai Y" first="Yukai" last="Ai">Yukai Ai</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
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<author><name sortKey="Zhao, Xinlei" sort="Zhao, Xinlei" uniqKey="Zhao X" first="Xinlei" last="Zhao">Xinlei Zhao</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
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<author><name sortKey="Mao, Dong" sort="Mao, Dong" uniqKey="Mao D" first="Dong" last="Mao">Dong Mao</name>
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<author><name sortKey="Liao, Bin" sort="Liao, Bin" uniqKey="Liao B" first="Bin" last="Liao">Bin Liao</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Synthesis of Ag ion-implanted TiO2 thin films for antibacterial application and photocatalytic performance.</title>
<author><name sortKey="Hou, Xinggang" sort="Hou, Xinggang" uniqKey="Hou X" first="Xinggang" last="Hou">Xinggang Hou</name>
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<author><name sortKey="Liu, Feng" sort="Liu, Feng" uniqKey="Liu F" first="Feng" last="Liu">Feng Liu</name>
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<author><name sortKey="Deng, Jianhua" sort="Deng, Jianhua" uniqKey="Deng J" first="Jianhua" last="Deng">Jianhua Deng</name>
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<author><name sortKey="Ai, Yukai" sort="Ai, Yukai" uniqKey="Ai Y" first="Yukai" last="Ai">Yukai Ai</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Zhao, Xinlei" sort="Zhao, Xinlei" uniqKey="Zhao X" first="Xinlei" last="Zhao">Xinlei Zhao</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Mao, Dong" sort="Mao, Dong" uniqKey="Mao D" first="Dong" last="Mao">Dong Mao</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Li, Dejun" sort="Li, Dejun" uniqKey="Li D" first="Dejun" last="Li">Dejun Li</name>
<affiliation><nlm:affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Liao, Bin" sort="Liao, Bin" uniqKey="Liao B" first="Bin" last="Liao">Bin Liao</name>
<affiliation><nlm:affiliation>Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Beijing Normal University, Beijing 100875, China.</nlm:affiliation>
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<series><title level="j">Journal of hazardous materials</title>
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<term>Catalysis (MeSH)</term>
<term>Microscopy, Atomic Force (MeSH)</term>
<term>Microscopy, Electron, Scanning (MeSH)</term>
<term>Photochemical Processes (MeSH)</term>
<term>Silver (chemistry)</term>
<term>Titanium (chemistry)</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Anti-Bacterial Agents</term>
<term>Silver</term>
<term>Titanium</term>
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<keywords scheme="MESH" xml:lang="en"><term>Catalysis</term>
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<front><div type="abstract" xml:lang="en">TiO2 thin films were deposited by spin coating method. Silver ions were implanted into the films using a Metal Vapor Vacuum Arc implanter. The antibacterial ability of implanted films was tested using Escherichia coli removal under fluorescent irradiation and in the dark. The concentration of E. coli was evaluated by plating technique. The photocatalytic efficiency of the implanted films was studied by degradation of methyl orange under fluorescent illumination. The surface free energy of the implanted TiO2 films was calculated by contact angle testing. Vitamin C was used as radical scavengers to explore the antibacterial mechanism of the films. The results supported the model that both generation of reactive oxygen species and release of silver ions played critical roles in the toxic effect of implanted films against E. coli. XPS experimental results demonstrated that a portion of the Ag(Ag(3+)) ions were doped into the crystalline lattice of TiO2. As demonstrated by density functional theory calculations, the impurity energy level of subtitutional Ag was responsible for enhanced absorption of visible light. Ag ion-implanted TiO2 films with excellent antibacterial efficiency against bacteria and decomposed ability against organic pollutants could be potent bactericidal surface in moist environment. </div>
</front>
</TEI>
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<DateCompleted><Year>2016</Year>
<Month>09</Month>
<Day>23</Day>
</DateCompleted>
<DateRevised><Year>2015</Year>
<Month>12</Month>
<Day>17</Day>
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<Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-3336</ISSN>
<JournalIssue CitedMedium="Internet"><Volume>299</Volume>
<PubDate><Year>2015</Year>
<Month>Dec</Month>
<Day>15</Day>
</PubDate>
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<Title>Journal of hazardous materials</Title>
<ISOAbbreviation>J Hazard Mater</ISOAbbreviation>
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<ArticleTitle>Synthesis of Ag ion-implanted TiO2 thin films for antibacterial application and photocatalytic performance.</ArticleTitle>
<Pagination><MedlinePgn>59-66</MedlinePgn>
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<Abstract><AbstractText>TiO2 thin films were deposited by spin coating method. Silver ions were implanted into the films using a Metal Vapor Vacuum Arc implanter. The antibacterial ability of implanted films was tested using Escherichia coli removal under fluorescent irradiation and in the dark. The concentration of E. coli was evaluated by plating technique. The photocatalytic efficiency of the implanted films was studied by degradation of methyl orange under fluorescent illumination. The surface free energy of the implanted TiO2 films was calculated by contact angle testing. Vitamin C was used as radical scavengers to explore the antibacterial mechanism of the films. The results supported the model that both generation of reactive oxygen species and release of silver ions played critical roles in the toxic effect of implanted films against E. coli. XPS experimental results demonstrated that a portion of the Ag(Ag(3+)) ions were doped into the crystalline lattice of TiO2. As demonstrated by density functional theory calculations, the impurity energy level of subtitutional Ag was responsible for enhanced absorption of visible light. Ag ion-implanted TiO2 films with excellent antibacterial efficiency against bacteria and decomposed ability against organic pollutants could be potent bactericidal surface in moist environment. </AbstractText>
<CopyrightInformation>Copyright © 2015 Elsevier B.V. All rights reserved.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hou</LastName>
<ForeName>Xinggang</ForeName>
<Initials>X</Initials>
<AffiliationInfo><Affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China. Electronic address: hou226@mail.tjnu.edu.cn.</Affiliation>
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<AffiliationInfo><Affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</Affiliation>
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<ForeName>Jianhua</ForeName>
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<AffiliationInfo><Affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</Affiliation>
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<Initials>Y</Initials>
<AffiliationInfo><Affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Zhao</LastName>
<ForeName>Xinlei</ForeName>
<Initials>X</Initials>
<AffiliationInfo><Affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Mao</LastName>
<ForeName>Dong</ForeName>
<Initials>D</Initials>
<AffiliationInfo><Affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Li</LastName>
<ForeName>Dejun</ForeName>
<Initials>D</Initials>
<AffiliationInfo><Affiliation>Department of Physics, Tianjin Normal University, Tianjin 300387, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Liao</LastName>
<ForeName>Bin</ForeName>
<Initials>B</Initials>
<AffiliationInfo><Affiliation>Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Beijing Normal University, Beijing 100875, China.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
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<ArticleDate DateType="Electronic"><Year>2015</Year>
<Month>05</Month>
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<MedlineJournalInfo><Country>Netherlands</Country>
<MedlineTA>J Hazard Mater</MedlineTA>
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<ISSNLinking>0304-3894</ISSNLinking>
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<ChemicalList><Chemical><RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D000900">Anti-Bacterial Agents</NameOfSubstance>
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<Chemical><RegistryNumber>15FIX9V2JP</RegistryNumber>
<NameOfSubstance UI="C009495">titanium dioxide</NameOfSubstance>
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<Chemical><RegistryNumber>3M4G523W1G</RegistryNumber>
<NameOfSubstance UI="D012834">Silver</NameOfSubstance>
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<Chemical><RegistryNumber>D1JT611TNE</RegistryNumber>
<NameOfSubstance UI="D014025">Titanium</NameOfSubstance>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D000900" MajorTopicYN="N">Anti-Bacterial Agents</DescriptorName>
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</MeshHeading>
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</MeshHeadingList>
<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Ag ion-implantation</Keyword>
<Keyword MajorTopicYN="N">Bactericidal</Keyword>
<Keyword MajorTopicYN="N">Photocatalysis</Keyword>
<Keyword MajorTopicYN="N">Reactive oxygen species</Keyword>
<Keyword MajorTopicYN="N">TiO(2) films</Keyword>
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<PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year>
<Month>01</Month>
<Day>27</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="revised"><Year>2015</Year>
<Month>05</Month>
<Day>06</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted"><Year>2015</Year>
<Month>05</Month>
<Day>09</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez"><Year>2015</Year>
<Month>6</Month>
<Day>21</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<PubMedPubDate PubStatus="pubmed"><Year>2015</Year>
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<PubMedPubDate PubStatus="medline"><Year>2016</Year>
<Month>9</Month>
<Day>24</Day>
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<ArticleId IdType="doi">10.1016/j.jhazmat.2015.05.014</ArticleId>
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Synthesis of Ag ion-implanted TiO2 thin films for antibacterial application and photocatalytic performance.

Synthesis of Ag ion-implanted TiO2 thin films for antibacterial application and photocatalytic performance.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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