Ag-doped magnetic metal organic framework as a novel nanostructured material for highly efficient antibacterial activity.
Identifieur interne : 000195 ( Main/Exploration ); précédent : 000194; suivant : 000196Ag-doped magnetic metal organic framework as a novel nanostructured material for highly efficient antibacterial activity.
Auteurs : Ziba Rahmati [Iran] ; Jafar Abdi [Iran] ; Manouchehr Vossoughi [Iran] ; Iran Alemzadeh [Iran]Source :
- Environmental research [ 1096-0953 ] ; 2020.
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Abstract
In the last decades, numerous attempts have been made to prevent microbial pollution spreading, using antibacterial agents. Zeolitic imidazolate framework-8 (ZIF-8) belongs to a subgroup of metal organic frameworks (MOFs) merits of attention due to the zinc ion clusters and its effective antibacterial activity. In this work, Ag-doped magnetic microporous γ-Fe2O3@SiO2@ZIF-8-Ag (FSZ-Ag) was successfully synthesized by a facile methodology in room temperature and used as an antibacterial agent against the growth of the Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus bacteria. Several characterization methods were applied to analyze the properties of the materials, and the results confirmed the accuracy of the synthesis procedure. Silver ions have employed to enhance the efficiency of antibacterial activity. As the results illustrated, FSZ-Ag nanostructured material had superior performance to inactive E. coli and S. aureus in growth inhibition test in liquid media. The best antibacterial activity as minimum inhibitory concentration (MIC) was 100 mg/L of FSZ-Ag against both bacteria. Leaching rates of silver ions showed that 80% of Ag released in the solutions, which was responsible for inhibiting the growth of bacteria. Also, fluorescence microscopy was used to investigate bacterial viability after 20 h contacting FSZ-Ag to distinguish live and dead bacteria by staining with DAPI and PI fluorescence stains. This novel magnetic nanostructured material is an excellent promising candidate to use in biological applications as high potential bactericidal materials.
DOI: 10.1016/j.envres.2020.109555
PubMed: 32559687
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Zeolitic imidazolate framework-8 (ZIF-8) belongs to a subgroup of metal organic frameworks (MOFs) merits of attention due to the zinc ion clusters and its effective antibacterial activity. In this work, Ag-doped magnetic microporous γ-Fe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>@ZIF-8-Ag (FSZ-Ag) was successfully synthesized by a facile methodology in room temperature and used as an antibacterial agent against the growth of the Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus bacteria. Several characterization methods were applied to analyze the properties of the materials, and the results confirmed the accuracy of the synthesis procedure. Silver ions have employed to enhance the efficiency of antibacterial activity. As the results illustrated, FSZ-Ag nanostructured material had superior performance to inactive E. coli and S. aureus in growth inhibition test in liquid media. The best antibacterial activity as minimum inhibitory concentration (MIC) was 100 mg/L of FSZ-Ag against both bacteria. Leaching rates of silver ions showed that 80% of Ag released in the solutions, which was responsible for inhibiting the growth of bacteria. Also, fluorescence microscopy was used to investigate bacterial viability after 20 h contacting FSZ-Ag to distinguish live and dead bacteria by staining with DAPI and PI fluorescence stains. This novel magnetic nanostructured material is an excellent promising candidate to use in biological applications as high potential bactericidal materials.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">32559687</PMID><DateCompleted><Year>2020</Year><Month>11</Month><Day>20</Day></DateCompleted><DateRevised><Year>2020</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1096-0953</ISSN><JournalIssue CitedMedium="Internet"><Volume>188</Volume><PubDate><Year>2020</Year><Month>09</Month></PubDate></JournalIssue><Title>Environmental research</Title><ISOAbbreviation>Environ Res</ISOAbbreviation></Journal><ArticleTitle>Ag-doped magnetic metal organic framework as a novel nanostructured material for highly efficient antibacterial activity.</ArticleTitle><Pagination><MedlinePgn>109555</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0013-9351(20)30448-5</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.envres.2020.109555</ELocationID><Abstract><AbstractText>In the last decades, numerous attempts have been made to prevent microbial pollution spreading, using antibacterial agents. Zeolitic imidazolate framework-8 (ZIF-8) belongs to a subgroup of metal organic frameworks (MOFs) merits of attention due to the zinc ion clusters and its effective antibacterial activity. In this work, Ag-doped magnetic microporous γ-Fe<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub>@ZIF-8-Ag (FSZ-Ag) was successfully synthesized by a facile methodology in room temperature and used as an antibacterial agent against the growth of the Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus bacteria. Several characterization methods were applied to analyze the properties of the materials, and the results confirmed the accuracy of the synthesis procedure. Silver ions have employed to enhance the efficiency of antibacterial activity. As the results illustrated, FSZ-Ag nanostructured material had superior performance to inactive E. coli and S. aureus in growth inhibition test in liquid media. The best antibacterial activity as minimum inhibitory concentration (MIC) was 100 mg/L of FSZ-Ag against both bacteria. Leaching rates of silver ions showed that 80% of Ag released in the solutions, which was responsible for inhibiting the growth of bacteria. Also, fluorescence microscopy was used to investigate bacterial viability after 20 h contacting FSZ-Ag to distinguish live and dead bacteria by staining with DAPI and PI fluorescence stains. This novel magnetic nanostructured material is an excellent promising candidate to use in biological applications as high potential bactericidal materials.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier Inc. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Rahmati</LastName><ForeName>Ziba</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>Department of Chemical and Petroleum Engineering, Sharif University, Tehran, Iran; Institute for Biotechnology and Environment, Sharif University of Technology, Tehran, Iran.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Abdi</LastName><ForeName>Jafar</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Faculty of Chemical and Material Engineering, Shahrood University of Technology, Shahrood, Iran.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Vossoughi</LastName><ForeName>Manouchehr</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Chemical and Petroleum Engineering, Sharif University, Tehran, Iran; Institute for Biotechnology and Environment, Sharif University of Technology, Tehran, Iran. Electronic address: vosoughi@sharif.edu.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Alemzadeh</LastName><ForeName>Iran</ForeName><Initials>I</Initials><AffiliationInfo><Affiliation>Department of Chemical and Petroleum Engineering, Sharif University, Tehran, Iran; Institute for Biotechnology and Environment, Sharif University of Technology, Tehran, Iran.</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>2020</Year><Month>04</Month><Day>21</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Environ Res</MedlineTA><NlmUniqueID>0147621</NlmUniqueID><ISSNLinking>0013-9351</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000900">Anti-Bacterial Agents</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000073396">Metal-Organic Frameworks</NameOfSubstance></Chemical><Chemical><RegistryNumber>3M4G523W1G</RegistryNumber><NameOfSubstance UI="D012834">Silver</NameOfSubstance></Chemical><Chemical><RegistryNumber>7631-86-9</RegistryNumber><NameOfSubstance UI="D012822">Silicon Dioxide</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000900" MajorTopicYN="N">Anti-Bacterial Agents</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004926" MajorTopicYN="N">Escherichia coli</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D060328" MajorTopicYN="N">Magnetic Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D053768" MajorTopicYN="Y">Metal Nanoparticles</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000073396" MajorTopicYN="Y">Metal-Organic Frameworks</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008826" MajorTopicYN="N">Microbial Sensitivity Tests</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D049329" MajorTopicYN="Y">Nanostructures</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012822" MajorTopicYN="N">Silicon Dioxide</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012834" MajorTopicYN="N">Silver</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013211" MajorTopicYN="N">Staphylococcus aureus</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Antibacterial activity</Keyword><Keyword MajorTopicYN="Y">Magnetic nanostructured material</Keyword><Keyword MajorTopicYN="Y">Metal organic framework</Keyword><Keyword MajorTopicYN="Y">Silver doping</Keyword><Keyword MajorTopicYN="Y">ZIF-8</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2020</Year><Month>02</Month><Day>01</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>04</Month><Day>13</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>04</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>6</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>11</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>6</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32559687</ArticleId><ArticleId IdType="pii">S0013-9351(20)30448-5</ArticleId><ArticleId IdType="doi">10.1016/j.envres.2020.109555</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Iran</li></country></list><tree><country name="Iran"><noRegion><name sortKey="Rahmati, Ziba" sort="Rahmati, Ziba" uniqKey="Rahmati Z" first="Ziba" last="Rahmati">Ziba Rahmati</name></noRegion><name sortKey="Abdi, Jafar" sort="Abdi, Jafar" uniqKey="Abdi J" first="Jafar" last="Abdi">Jafar Abdi</name><name sortKey="Alemzadeh, Iran" sort="Alemzadeh, Iran" uniqKey="Alemzadeh I" first="Iran" last="Alemzadeh">Iran Alemzadeh</name><name sortKey="Vossoughi, Manouchehr" sort="Vossoughi, Manouchehr" uniqKey="Vossoughi M" first="Manouchehr" last="Vossoughi">Manouchehr Vossoughi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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