Antimicrobial efficacy and mechanisms of silver nanoparticles against Phanerochaete chrysosporium in the presence of common electrolytes and humic acid.
Identifieur interne : 000049 ( Main/Corpus ); précédent : 000048; suivant : 000050Antimicrobial efficacy and mechanisms of silver nanoparticles against Phanerochaete chrysosporium in the presence of common electrolytes and humic acid.
Auteurs : Zhenzhen Huang ; Zhuotong Zeng ; Zhongxian Song ; Anwei Chen ; Guangming Zeng ; Rong Xiao ; Kai He ; Lei Yuan ; Hui Li ; Guiqiu ChenSource :
- Journal of hazardous materials [ 1873-3336 ] ; 2020.
Abstract
In this study, influences of cations (Na+, K+, Ca2+, and Mg2+), anions (NO3-, Cl-, and SO42-), and humic acid (HA) on the antimicrobial efficacy of silver nanoparticles (AgNPs)/Ag+ against Phanerochaete chrysosporium were investigated by observing cell viability and total Ag uptake. K+ enhanced the antimicrobial toxicity of AgNPs on P. chrysosporium, while divalent cations decreased the toxicity considerably, with preference of Ca2+ over Mg2+. Impact caused by a combination of monovalent and divalent electrolytes was mainly controlled by divalent cations. Compared to AgNPs, however, Ag+ with the same total Ag content exhibited stronger antimicrobial efficacy towards P. chrysosporium, regardless of the type of electrolytes. Furthermore, HA addition induced greater microbial activity under AgNP stress, possibly originating from stronger affinity of AgNPs over Ag+ to organic matters. The obtained results suggested that antimicrobial efficacy of AgNPs was closely related to water chemistry: addition of divalent electrolytes and HA reduced the opportunities directly for AgNP contact and interaction with cells through formation of aggregates, complexes, and surface coatings, leading to significant toxicity reduction; however, in monovalent electrolytes, the dominating mode of action of AgNPs could be toxic effects of the released Ag+ on microorganisms due to nanoparticle dissolution.
DOI: 10.1016/j.jhazmat.2019.121153
PubMed: 31518805
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pubmed:31518805Le document en format XML
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<author><name sortKey="Zeng, Zhuotong" sort="Zeng, Zhuotong" uniqKey="Zeng Z" first="Zhuotong" last="Zeng">Zhuotong Zeng</name>
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<author><name sortKey="Song, Zhongxian" sort="Song, Zhongxian" uniqKey="Song Z" first="Zhongxian" last="Song">Zhongxian Song</name>
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<author><name sortKey="Chen, Anwei" sort="Chen, Anwei" uniqKey="Chen A" first="Anwei" last="Chen">Anwei Chen</name>
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<front><div type="abstract" xml:lang="en">In this study, influences of cations (Na<sup>+</sup>
, K<sup>+</sup>
, Ca<sup>2+</sup>
, and Mg<sup>2+</sup>
), anions (NO<sub>3</sub>
<sup>-</sup>
, Cl<sup>-</sup>
, and SO<sub>4</sub>
<sup>2-</sup>
), and humic acid (HA) on the antimicrobial efficacy of silver nanoparticles (AgNPs)/Ag<sup>+</sup>
against Phanerochaete chrysosporium were investigated by observing cell viability and total Ag uptake. K<sup>+</sup>
enhanced the antimicrobial toxicity of AgNPs on P. chrysosporium, while divalent cations decreased the toxicity considerably, with preference of Ca<sup>2+</sup>
over Mg<sup>2+</sup>
. Impact caused by a combination of monovalent and divalent electrolytes was mainly controlled by divalent cations. Compared to AgNPs, however, Ag<sup>+</sup>
with the same total Ag content exhibited stronger antimicrobial efficacy towards P. chrysosporium, regardless of the type of electrolytes. Furthermore, HA addition induced greater microbial activity under AgNP stress, possibly originating from stronger affinity of AgNPs over Ag<sup>+</sup>
to organic matters. The obtained results suggested that antimicrobial efficacy of AgNPs was closely related to water chemistry: addition of divalent electrolytes and HA reduced the opportunities directly for AgNP contact and interaction with cells through formation of aggregates, complexes, and surface coatings, leading to significant toxicity reduction; however, in monovalent electrolytes, the dominating mode of action of AgNPs could be toxic effects of the released Ag<sup>+</sup>
on microorganisms due to nanoparticle dissolution.</div>
</front>
</TEI>
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<DateRevised><Year>2020</Year>
<Month>03</Month>
<Day>03</Day>
</DateRevised>
<Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-3336</ISSN>
<JournalIssue CitedMedium="Internet"><Volume>383</Volume>
<PubDate><Year>2020</Year>
<Month>02</Month>
<Day>05</Day>
</PubDate>
</JournalIssue>
<Title>Journal of hazardous materials</Title>
<ISOAbbreviation>J Hazard Mater</ISOAbbreviation>
</Journal>
<ArticleTitle>Antimicrobial efficacy and mechanisms of silver nanoparticles against Phanerochaete chrysosporium in the presence of common electrolytes and humic acid.</ArticleTitle>
<Pagination><MedlinePgn>121153</MedlinePgn>
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<ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jhazmat.2019.121153</ELocationID>
<Abstract><AbstractText>In this study, influences of cations (Na<sup>+</sup>
, K<sup>+</sup>
, Ca<sup>2+</sup>
, and Mg<sup>2+</sup>
), anions (NO<sub>3</sub>
<sup>-</sup>
, Cl<sup>-</sup>
, and SO<sub>4</sub>
<sup>2-</sup>
), and humic acid (HA) on the antimicrobial efficacy of silver nanoparticles (AgNPs)/Ag<sup>+</sup>
against Phanerochaete chrysosporium were investigated by observing cell viability and total Ag uptake. K<sup>+</sup>
enhanced the antimicrobial toxicity of AgNPs on P. chrysosporium, while divalent cations decreased the toxicity considerably, with preference of Ca<sup>2+</sup>
over Mg<sup>2+</sup>
. Impact caused by a combination of monovalent and divalent electrolytes was mainly controlled by divalent cations. Compared to AgNPs, however, Ag<sup>+</sup>
with the same total Ag content exhibited stronger antimicrobial efficacy towards P. chrysosporium, regardless of the type of electrolytes. Furthermore, HA addition induced greater microbial activity under AgNP stress, possibly originating from stronger affinity of AgNPs over Ag<sup>+</sup>
to organic matters. The obtained results suggested that antimicrobial efficacy of AgNPs was closely related to water chemistry: addition of divalent electrolytes and HA reduced the opportunities directly for AgNP contact and interaction with cells through formation of aggregates, complexes, and surface coatings, leading to significant toxicity reduction; however, in monovalent electrolytes, the dominating mode of action of AgNPs could be toxic effects of the released Ag<sup>+</sup>
on microorganisms due to nanoparticle dissolution.</AbstractText>
<CopyrightInformation>Copyright © 2019 Elsevier B.V. All rights reserved.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Huang</LastName>
<ForeName>Zhenzhen</ForeName>
<Initials>Z</Initials>
<AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Zeng</LastName>
<ForeName>Zhuotong</ForeName>
<Initials>Z</Initials>
<AffiliationInfo><Affiliation>Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha 410011, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Song</LastName>
<ForeName>Zhongxian</ForeName>
<Initials>Z</Initials>
<AffiliationInfo><Affiliation>Faculty of Environmental and Municipal Engineering, Henan Key Laboratory of Water Pollution Control and Rehabilitation Technology, Henan University of Urban Construction, Pingdingshan 467036, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Chen</LastName>
<ForeName>Anwei</ForeName>
<Initials>A</Initials>
<AffiliationInfo><Affiliation>College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China.</Affiliation>
</AffiliationInfo>
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<Author ValidYN="Y"><LastName>Zeng</LastName>
<ForeName>Guangming</ForeName>
<Initials>G</Initials>
<AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China. Electronic address: zgming@hnu.edu.cn.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Xiao</LastName>
<ForeName>Rong</ForeName>
<Initials>R</Initials>
<AffiliationInfo><Affiliation>Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha 410011, China. Electronic address: xiaorong65@csu.edu.cn.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>He</LastName>
<ForeName>Kai</ForeName>
<Initials>K</Initials>
<AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Yuan</LastName>
<ForeName>Lei</ForeName>
<Initials>L</Initials>
<AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Li</LastName>
<ForeName>Hui</ForeName>
<Initials>H</Initials>
<AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Chen</LastName>
<ForeName>Guiqiu</ForeName>
<Initials>G</Initials>
<AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, 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>
</PublicationTypeList>
<ArticleDate DateType="Electronic"><Year>2019</Year>
<Month>09</Month>
<Day>04</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo><Country>Netherlands</Country>
<MedlineTA>J Hazard Mater</MedlineTA>
<NlmUniqueID>9422688</NlmUniqueID>
<ISSNLinking>0304-3894</ISSNLinking>
</MedlineJournalInfo>
<CitationSubset>IM</CitationSubset>
<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Antimicrobial efficacy</Keyword>
<Keyword MajorTopicYN="Y">Humic acid</Keyword>
<Keyword MajorTopicYN="Y">Monovalent and divalent electrolytes</Keyword>
<Keyword MajorTopicYN="Y">Phanerochaete chrysosprium</Keyword>
<Keyword MajorTopicYN="Y">Silver nanoparticles</Keyword>
</KeywordList>
</MedlineCitation>
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<Month>04</Month>
<Day>11</Day>
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<PubMedPubDate PubStatus="revised"><Year>2019</Year>
<Month>09</Month>
<Day>02</Day>
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<PubMedPubDate PubStatus="accepted"><Year>2019</Year>
<Month>09</Month>
<Day>03</Day>
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<Month>9</Month>
<Day>14</Day>
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