Core-shell-shell nanorods for controlled release of silver that can serve as a nanoheater for photothermal treatment on bacteria.
Identifieur interne : 000810 ( Main/Corpus ); précédent : 000809; suivant : 000811Core-shell-shell nanorods for controlled release of silver that can serve as a nanoheater for photothermal treatment on bacteria.
Auteurs : Bo Hu ; Ning Wang ; Lu Han ; Ming-Li Chen ; Jian-Hua WangSource :
- Acta biomaterialia [ 1878-7568 ] ; 2015.
English descriptors
- KwdEn :
- Absorption, Physicochemical (MeSH), Anti-Bacterial Agents (administration & dosage), Anti-Bacterial Agents (chemistry), Cell Survival (drug effects), Cell Survival (physiology), Cell Survival (radiation effects), Delayed-Action Preparations (administration & dosage), Delayed-Action Preparations (chemistry), Diffusion (MeSH), Escherichia coli O157 (drug effects), Escherichia coli O157 (physiology), Escherichia coli O157 (radiation effects), Hot Temperature (MeSH), Nanocapsules (administration & dosage), Nanocapsules (chemistry), Nanocapsules (ultrastructure), Nanopores (ultrastructure), Nanotubes (chemistry), Nanotubes (ultrastructure), Particle Size (MeSH), Porosity (MeSH), Silver (administration & dosage), Silver (chemistry), Sterilization (methods).
- MESH :
- chemical , administration & dosage : Anti-Bacterial Agents, Delayed-Action Preparations, Nanocapsules, Silver.
- chemical , chemistry : Anti-Bacterial Agents, Delayed-Action Preparations, Nanocapsules, Silver.
- chemistry : Nanotubes.
- drug effects : Cell Survival, Escherichia coli O157.
- methods : Sterilization.
- physiology : Cell Survival, Escherichia coli O157.
- radiation effects : Cell Survival, Escherichia coli O157.
- chemical , ultrastructure : Nanocapsules, Nanopores, Nanotubes.
- Absorption, Physicochemical, Diffusion, Hot Temperature, Particle Size, Porosity.
Abstract
A novel bactericidal material comprising rod-shaped core-shell-shell Au-Ag-Au nanorods is constructed as a nanoheater in the near-infrared (NIR) region. The outer Au shell melts under laser irradiation and results in exposure of the inner Ag shell, facilitating the controlled release of the antibacterial Ag shell/layer or Ag(+). This results in the Au-Ag-Au nanorods having a favorable bactericidal ability as it combines the features of physical photothermal ablation sterilization of the outer Au shell and the antibacterial effect of the inner Ag shell or Ag(+) to the surrounding bacteria. The sterilizing ability of Au-Ag-Au nanorods is investigated with Escherichia coli O157:H7 as a model bacterial strain. Under low-power NIR laser irradiation (785 nm, 50 mW cm(-2)), the Au-Ag-Au nanoheater exhibits a higher photothermal conversion efficiency (with a solution temperature of 44°C) with respect to that for the Au-Ag nanorods (39°C). Meanwhile, a much improved stability with respect to Au-Ag nanorods is observed, i.e., 16 successive days of monitoring reveal virtually no change in the ultraviolet-visible spectrum of Au-Ag-Au nanorods, while a significant drop in absorption along with a 92 nm red shift of Localized Surface Plasmon Resonance is recorded for the Au-Ag nanorods. This brings an increasing bactericidal efficiency and long-term stability for the Au-Ag-Au nanorods. At a dosage of 10 μg ml(-1), a killing rate of 100% is reached for the E. coli O157:H7 cells under 20 min of irradiation. The use of Au-Ag-Au nanorods avoids the abuse of broad-spectrum antibiotics and reduces the damage of tissues by alleviating the toxicity of silver under controlled release and by the use of low-power laser irradiation. These features could make the bimetallic core-shell-shell nanorods a favorable nanoheater for in vivo biomedical applications.
DOI: 10.1016/j.actbio.2014.09.005
PubMed: 25219350
Links to Exploration step
pubmed:25219350Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Core-shell-shell nanorods for controlled release of silver that can serve as a nanoheater for photothermal treatment on bacteria.</title><author><name sortKey="Hu, Bo" sort="Hu, Bo" uniqKey="Hu B" first="Bo" last="Hu">Bo Hu</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Ning" sort="Wang, Ning" uniqKey="Wang N" first="Ning" last="Wang">Ning Wang</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</nlm:affiliation></affiliation></author><author><name sortKey="Han, Lu" sort="Han, Lu" uniqKey="Han L" first="Lu" last="Han">Lu Han</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</nlm:affiliation></affiliation></author><author><name sortKey="Chen, Ming Li" sort="Chen, Ming Li" uniqKey="Chen M" first="Ming-Li" last="Chen">Ming-Li Chen</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China. Electronic address: chenml@mail.neu.edu.cn.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Jian Hua" sort="Wang, Jian Hua" uniqKey="Wang J" first="Jian-Hua" last="Wang">Jian-Hua Wang</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, People's Republic of China. Electronic address: jianhuajrz@mail.neu.edu.cn.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:25219350</idno><idno type="pmid">25219350</idno><idno type="doi">10.1016/j.actbio.2014.09.005</idno><idno type="wicri:Area/Main/Corpus">000810</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000810</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Core-shell-shell nanorods for controlled release of silver that can serve as a nanoheater for photothermal treatment on bacteria.</title><author><name sortKey="Hu, Bo" sort="Hu, Bo" uniqKey="Hu B" first="Bo" last="Hu">Bo Hu</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Ning" sort="Wang, Ning" uniqKey="Wang N" first="Ning" last="Wang">Ning Wang</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</nlm:affiliation></affiliation></author><author><name sortKey="Han, Lu" sort="Han, Lu" uniqKey="Han L" first="Lu" last="Han">Lu Han</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</nlm:affiliation></affiliation></author><author><name sortKey="Chen, Ming Li" sort="Chen, Ming Li" uniqKey="Chen M" first="Ming-Li" last="Chen">Ming-Li Chen</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China. Electronic address: chenml@mail.neu.edu.cn.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Jian Hua" sort="Wang, Jian Hua" uniqKey="Wang J" first="Jian-Hua" last="Wang">Jian-Hua Wang</name><affiliation><nlm:affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, People's Republic of China. Electronic address: jianhuajrz@mail.neu.edu.cn.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Acta biomaterialia</title><idno type="eISSN">1878-7568</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption, Physicochemical (MeSH)</term><term>Anti-Bacterial Agents (administration & dosage)</term><term>Anti-Bacterial Agents (chemistry)</term><term>Cell Survival (drug effects)</term><term>Cell Survival (physiology)</term><term>Cell Survival (radiation effects)</term><term>Delayed-Action Preparations (administration & dosage)</term><term>Delayed-Action Preparations (chemistry)</term><term>Diffusion (MeSH)</term><term>Escherichia coli O157 (drug effects)</term><term>Escherichia coli O157 (physiology)</term><term>Escherichia coli O157 (radiation effects)</term><term>Hot Temperature (MeSH)</term><term>Nanocapsules (administration & dosage)</term><term>Nanocapsules (chemistry)</term><term>Nanocapsules (ultrastructure)</term><term>Nanopores (ultrastructure)</term><term>Nanotubes (chemistry)</term><term>Nanotubes (ultrastructure)</term><term>Particle Size (MeSH)</term><term>Porosity (MeSH)</term><term>Silver (administration & dosage)</term><term>Silver (chemistry)</term><term>Sterilization (methods)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en"><term>Anti-Bacterial Agents</term><term>Delayed-Action Preparations</term><term>Nanocapsules</term><term>Silver</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Anti-Bacterial Agents</term><term>Delayed-Action Preparations</term><term>Nanocapsules</term><term>Silver</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Nanotubes</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Cell Survival</term><term>Escherichia coli O157</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Sterilization</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Cell Survival</term><term>Escherichia coli O157</term></keywords><keywords scheme="MESH" qualifier="radiation effects" xml:lang="en"><term>Cell Survival</term><term>Escherichia coli O157</term></keywords><keywords scheme="MESH" type="chemical" qualifier="ultrastructure" xml:lang="en"><term>Nanocapsules</term><term>Nanopores</term><term>Nanotubes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Absorption, Physicochemical</term><term>Diffusion</term><term>Hot Temperature</term><term>Particle Size</term><term>Porosity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A novel bactericidal material comprising rod-shaped core-shell-shell Au-Ag-Au nanorods is constructed as a nanoheater in the near-infrared (NIR) region. The outer Au shell melts under laser irradiation and results in exposure of the inner Ag shell, facilitating the controlled release of the antibacterial Ag shell/layer or Ag(+). This results in the Au-Ag-Au nanorods having a favorable bactericidal ability as it combines the features of physical photothermal ablation sterilization of the outer Au shell and the antibacterial effect of the inner Ag shell or Ag(+) to the surrounding bacteria. The sterilizing ability of Au-Ag-Au nanorods is investigated with Escherichia coli O157:H7 as a model bacterial strain. Under low-power NIR laser irradiation (785 nm, 50 mW cm(-2)), the Au-Ag-Au nanoheater exhibits a higher photothermal conversion efficiency (with a solution temperature of 44°C) with respect to that for the Au-Ag nanorods (39°C). Meanwhile, a much improved stability with respect to Au-Ag nanorods is observed, i.e., 16 successive days of monitoring reveal virtually no change in the ultraviolet-visible spectrum of Au-Ag-Au nanorods, while a significant drop in absorption along with a 92 nm red shift of Localized Surface Plasmon Resonance is recorded for the Au-Ag nanorods. This brings an increasing bactericidal efficiency and long-term stability for the Au-Ag-Au nanorods. At a dosage of 10 μg ml(-1), a killing rate of 100% is reached for the E. coli O157:H7 cells under 20 min of irradiation. The use of Au-Ag-Au nanorods avoids the abuse of broad-spectrum antibiotics and reduces the damage of tissues by alleviating the toxicity of silver under controlled release and by the use of low-power laser irradiation. These features could make the bimetallic core-shell-shell nanorods a favorable nanoheater for in vivo biomedical applications.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25219350</PMID><DateCompleted><Year>2015</Year><Month>07</Month><Day>30</Day></DateCompleted><DateRevised><Year>2014</Year><Month>12</Month><Day>03</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1878-7568</ISSN><JournalIssue CitedMedium="Internet"><Volume>11</Volume><PubDate><Year>2015</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Acta biomaterialia</Title><ISOAbbreviation>Acta Biomater</ISOAbbreviation></Journal><ArticleTitle>Core-shell-shell nanorods for controlled release of silver that can serve as a nanoheater for photothermal treatment on bacteria.</ArticleTitle><Pagination><MedlinePgn>511-9</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.actbio.2014.09.005</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S1742-7061(14)00388-2</ELocationID><Abstract><AbstractText>A novel bactericidal material comprising rod-shaped core-shell-shell Au-Ag-Au nanorods is constructed as a nanoheater in the near-infrared (NIR) region. The outer Au shell melts under laser irradiation and results in exposure of the inner Ag shell, facilitating the controlled release of the antibacterial Ag shell/layer or Ag(+). This results in the Au-Ag-Au nanorods having a favorable bactericidal ability as it combines the features of physical photothermal ablation sterilization of the outer Au shell and the antibacterial effect of the inner Ag shell or Ag(+) to the surrounding bacteria. The sterilizing ability of Au-Ag-Au nanorods is investigated with Escherichia coli O157:H7 as a model bacterial strain. Under low-power NIR laser irradiation (785 nm, 50 mW cm(-2)), the Au-Ag-Au nanoheater exhibits a higher photothermal conversion efficiency (with a solution temperature of 44°C) with respect to that for the Au-Ag nanorods (39°C). Meanwhile, a much improved stability with respect to Au-Ag nanorods is observed, i.e., 16 successive days of monitoring reveal virtually no change in the ultraviolet-visible spectrum of Au-Ag-Au nanorods, while a significant drop in absorption along with a 92 nm red shift of Localized Surface Plasmon Resonance is recorded for the Au-Ag nanorods. This brings an increasing bactericidal efficiency and long-term stability for the Au-Ag-Au nanorods. At a dosage of 10 μg ml(-1), a killing rate of 100% is reached for the E. coli O157:H7 cells under 20 min of irradiation. The use of Au-Ag-Au nanorods avoids the abuse of broad-spectrum antibiotics and reduces the damage of tissues by alleviating the toxicity of silver under controlled release and by the use of low-power laser irradiation. These features could make the bimetallic core-shell-shell nanorods a favorable nanoheater for in vivo biomedical applications.</AbstractText><CopyrightInformation>Copyright © 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hu</LastName><ForeName>Bo</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Ning</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Han</LastName><ForeName>Lu</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chen</LastName><ForeName>Ming-Li</ForeName><Initials>ML</Initials><AffiliationInfo><Affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China. Electronic address: chenml@mail.neu.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Jian-Hua</ForeName><Initials>JH</Initials><AffiliationInfo><Affiliation>Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, People's Republic of China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, People's Republic of China. Electronic address: jianhuajrz@mail.neu.edu.cn.</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></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>09</Month><Day>16</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Acta Biomater</MedlineTA><NlmUniqueID>101233144</NlmUniqueID><ISSNLinking>1742-7061</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000900">Anti-Bacterial Agents</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D003692">Delayed-Action Preparations</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D053769">Nanocapsules</NameOfSubstance></Chemical><Chemical><RegistryNumber>3M4G523W1G</RegistryNumber><NameOfSubstance UI="D012834">Silver</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D065966" MajorTopicYN="N">Absorption, Physicochemical</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000900" MajorTopicYN="N">Anti-Bacterial Agents</DescriptorName><QualifierName UI="Q000008" MajorTopicYN="Y">administration & dosage</QualifierName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002470" MajorTopicYN="N">Cell Survival</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="N">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003692" MajorTopicYN="N">Delayed-Action Preparations</DescriptorName><QualifierName UI="Q000008" MajorTopicYN="N">administration & dosage</QualifierName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004058" MajorTopicYN="N">Diffusion</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019453" MajorTopicYN="N">Escherichia coli O157</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName><QualifierName UI="Q000528" MajorTopicYN="Y">radiation effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006358" MajorTopicYN="N">Hot Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D053769" MajorTopicYN="N">Nanocapsules</DescriptorName><QualifierName UI="Q000008" MajorTopicYN="N">administration & dosage</QualifierName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D058608" MajorTopicYN="N">Nanopores</DescriptorName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D043942" MajorTopicYN="N">Nanotubes</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010316" MajorTopicYN="N">Particle Size</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016062" MajorTopicYN="N">Porosity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012834" MajorTopicYN="N">Silver</DescriptorName><QualifierName UI="Q000008" MajorTopicYN="Y">administration & dosage</QualifierName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013242" MajorTopicYN="N">Sterilization</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Controlled release</Keyword><Keyword MajorTopicYN="N">Gold–silver–gold nanorods</Keyword><Keyword MajorTopicYN="N">NIR photothermal treatment</Keyword><Keyword MajorTopicYN="N">Rod-shaped core–shell–shell nanomaterials</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>07</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2014</Year><Month>09</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2014</Year><Month>09</Month><Day>04</Day></PubMedPubDate><PubMedPubDate 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