Sonochemical synthesis of ZnS nanolayers on the surface of microbial cells and their application in the removal of heavy metals.
Identifieur interne : 000012 ( Main/Exploration ); précédent : 000011; suivant : 000013Sonochemical synthesis of ZnS nanolayers on the surface of microbial cells and their application in the removal of heavy metals.
Auteurs : Huaqing Qin [République populaire de Chine] ; Tianjue Hu [République populaire de Chine] ; Yunbo Zhai [République populaire de Chine] ; Ningqin Lu [République populaire de Chine] ; Jamila Aliyeva [République populaire de Chine]Source :
- Journal of hazardous materials [ 1873-3336 ] ; 2020.
Abstract
In order to improve the adsorption performance of microorganisms, we synthesized a novel material - phanerochaete chrysosporium cells covered with a layer of ZnS nanoparticles (ZnS-cells). The preparation of the ZnS-cells is based on the Sonochemical method to synthesize the ZnS nanoparticle layer on the surface of the microbial cells. The ZnS-cells were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR). Characterization results showed that wurtzite ZnS was coated on the cell surface in the form of nanoclusters by sonochemical reaction, and the formation of ZnS was related to the carboxyl group on the cell surface. Batch experiments showed that the ZnS-cells exhibited high adsorption efficiency for Pb2+and Cd2+, the removal rate of Pb2+ and Cd2+ by ZnS-cells was 140 % and 160 % higher than that of pure P. chrysosporium, respectively. Studies on the adsorption mechanism showed that the removal of heavy metals by ZnS-cells mainly depended on the complexation of surface functional groups on the surface of the cells and the ion exchange of ZnS nanofilms.
DOI: 10.1016/j.jhazmat.2020.123161
PubMed: 32574881
Affiliations:
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Electronic address: htjue66@hnu.edu.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082</wicri:regionArea><wicri:noRegion>Changsha 410082</wicri:noRegion></affiliation></author><author><name sortKey="Zhai, Yunbo" sort="Zhai, Yunbo" uniqKey="Zhai Y" first="Yunbo" last="Zhai">Yunbo Zhai</name><affiliation wicri:level="1"><nlm:affiliation>College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China. 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The preparation of the ZnS-cells is based on the Sonochemical method to synthesize the ZnS nanoparticle layer on the surface of the microbial cells. The ZnS-cells were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR). Characterization results showed that wurtzite ZnS was coated on the cell surface in the form of nanoclusters by sonochemical reaction, and the formation of ZnS was related to the carboxyl group on the cell surface. Batch experiments showed that the ZnS-cells exhibited high adsorption efficiency for Pb<sup>2+</sup>and Cd<sup>2+</sup>, the removal rate of Pb<sup>2+</sup> and Cd<sup>2+</sup> by ZnS-cells was 140 % and 160 % higher than that of pure P. chrysosporium, respectively. Studies on the adsorption mechanism showed that the removal of heavy metals by ZnS-cells mainly depended on the complexation of surface functional groups on the surface of the cells and the ion exchange of ZnS nanofilms.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">32574881</PMID><DateRevised><Year>2020</Year><Month>09</Month><Day>17</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-3336</ISSN><JournalIssue CitedMedium="Internet"><Volume>400</Volume><PubDate><Year>2020</Year><Month>Dec</Month><Day>05</Day></PubDate></JournalIssue><Title>Journal of hazardous materials</Title><ISOAbbreviation>J Hazard Mater</ISOAbbreviation></Journal><ArticleTitle>Sonochemical synthesis of ZnS nanolayers on the surface of microbial cells and their application in the removal of heavy metals.</ArticleTitle><Pagination><MedlinePgn>123161</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0304-3894(20)31150-X</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.jhazmat.2020.123161</ELocationID><Abstract><AbstractText>In order to improve the adsorption performance of microorganisms, we synthesized a novel material - phanerochaete chrysosporium cells covered with a layer of ZnS nanoparticles (ZnS-cells). The preparation of the ZnS-cells is based on the Sonochemical method to synthesize the ZnS nanoparticle layer on the surface of the microbial cells. The ZnS-cells were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR). Characterization results showed that wurtzite ZnS was coated on the cell surface in the form of nanoclusters by sonochemical reaction, and the formation of ZnS was related to the carboxyl group on the cell surface. Batch experiments showed that the ZnS-cells exhibited high adsorption efficiency for Pb<sup>2+</sup>and Cd<sup>2+</sup>, the removal rate of Pb<sup>2+</sup> and Cd<sup>2+</sup> by ZnS-cells was 140 % and 160 % higher than that of pure P. chrysosporium, respectively. Studies on the adsorption mechanism showed that the removal of heavy metals by ZnS-cells mainly depended on the complexation of surface functional groups on the surface of the cells and the ion exchange of ZnS nanofilms.</AbstractText><CopyrightInformation>Copyright © 2020 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Qin</LastName><ForeName>Huaqing</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hu</LastName><ForeName>Tianjue</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China. Electronic address: htjue66@hnu.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhai</LastName><ForeName>Yunbo</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China. Electronic address: ybzhai@hnu.edu.cn.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lu</LastName><ForeName>Ningqin</ForeName><Initials>N</Initials><AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Aliyeva</LastName><ForeName>Jamila</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2020</Year><Month>06</Month><Day>11</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="N">Adsorption</Keyword><Keyword MajorTopicYN="N">Cd(2+)</Keyword><Keyword MajorTopicYN="N">Fungi</Keyword><Keyword MajorTopicYN="N">Pb(2+)</Keyword><Keyword MajorTopicYN="N">ZnS nanoparticles</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>12</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2020</Year><Month>06</Month><Day>03</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2020</Year><Month>06</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>6</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>6</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>6</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">32574881</ArticleId><ArticleId IdType="pii">S0304-3894(20)31150-X</ArticleId><ArticleId IdType="doi">10.1016/j.jhazmat.2020.123161</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Qin, Huaqing" sort="Qin, Huaqing" uniqKey="Qin H" first="Huaqing" last="Qin">Huaqing Qin</name></noRegion><name sortKey="Aliyeva, Jamila" sort="Aliyeva, Jamila" uniqKey="Aliyeva J" first="Jamila" last="Aliyeva">Jamila Aliyeva</name><name sortKey="Hu, Tianjue" sort="Hu, Tianjue" uniqKey="Hu T" first="Tianjue" last="Hu">Tianjue Hu</name><name sortKey="Lu, Ningqin" sort="Lu, Ningqin" uniqKey="Lu N" first="Ningqin" last="Lu">Ningqin Lu</name><name sortKey="Zhai, Yunbo" sort="Zhai, Yunbo" uniqKey="Zhai Y" first="Yunbo" last="Zhai">Yunbo Zhai</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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