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Facile green extracellular biosynthesis of CdS quantum dots by white rot fungus Phanerochaete chrysosporium.

Identifieur interne : 000323 ( Main/Exploration ); précédent : 000322; suivant : 000324

Facile green extracellular biosynthesis of CdS quantum dots by white rot fungus Phanerochaete chrysosporium.

Auteurs : Guiqiu Chen [République populaire de Chine] ; Bin Yi [République populaire de Chine] ; Guangming Zeng [République populaire de Chine] ; Qiuya Niu [République populaire de Chine] ; Ming Yan [République populaire de Chine] ; Anwei Chen [République populaire de Chine] ; Jianjian Du [République populaire de Chine] ; Jian Huang [République populaire de Chine] ; Qihua Zhang [République populaire de Chine]

Source :

RBID : pubmed:24632392

Descripteurs français

English descriptors

Abstract

This study details a novel method for the extracellular microbial synthesis of cadmium sulfide (CdS) quantum dots (QDs) by the white rot fungus Phanerochaete chrysosporium. P. chrysosporium was incubated in a solution containing cadmium nitrate tetrahydrate, which became yellow from 12h onwards, indicating the formation of CdS nanocrystals. The purified solution showed a maximum absorbance peak between 296 and 298 nm due to CdS particles in the quantum size regime. The fluorescence emission at 458 nm showed the blue fluorescence of the nanoparticles. X-ray analysis of the nanoparticles confirmed the production of CdS with a face-centered cubic (fcc) crystal structure. The average grain size of the nanoparticles was approximately 2.56 nm, as determined from the full width at half-maximum (FWHM) measurement of the most intense peak using Scherer's equation. Transmission electron microscopic analysis showed the nanoparticles to be of a uniform size with good crystallinity. The changes to the functional groups on the biomass surface were investigated through Fourier transform infrared spectroscopy. Furthermore, the secretion of cysteine and proteins was found to play an important role in the formation and stabilization of CdS QDs. In conclusion, our study outlines a chemical process for the molecular synthesis of CdS nanoparticles.

DOI: 10.1016/j.colsurfb.2014.02.027
PubMed: 24632392


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<term>Cadmium Compounds (metabolism)</term>
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<term>Green Chemistry Technology (methods)</term>
<term>Nanoparticles (ultrastructure)</term>
<term>Phanerochaete (metabolism)</term>
<term>Quantum Dots (metabolism)</term>
<term>Quantum Dots (ultrastructure)</term>
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<term>Spectroscopy, Fourier Transform Infrared (MeSH)</term>
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<div type="abstract" xml:lang="en">This study details a novel method for the extracellular microbial synthesis of cadmium sulfide (CdS) quantum dots (QDs) by the white rot fungus Phanerochaete chrysosporium. P. chrysosporium was incubated in a solution containing cadmium nitrate tetrahydrate, which became yellow from 12h onwards, indicating the formation of CdS nanocrystals. The purified solution showed a maximum absorbance peak between 296 and 298 nm due to CdS particles in the quantum size regime. The fluorescence emission at 458 nm showed the blue fluorescence of the nanoparticles. X-ray analysis of the nanoparticles confirmed the production of CdS with a face-centered cubic (fcc) crystal structure. The average grain size of the nanoparticles was approximately 2.56 nm, as determined from the full width at half-maximum (FWHM) measurement of the most intense peak using Scherer's equation. Transmission electron microscopic analysis showed the nanoparticles to be of a uniform size with good crystallinity. The changes to the functional groups on the biomass surface were investigated through Fourier transform infrared spectroscopy. Furthermore, the secretion of cysteine and proteins was found to play an important role in the formation and stabilization of CdS QDs. In conclusion, our study outlines a chemical process for the molecular synthesis of CdS nanoparticles.</div>
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<AbstractText>This study details a novel method for the extracellular microbial synthesis of cadmium sulfide (CdS) quantum dots (QDs) by the white rot fungus Phanerochaete chrysosporium. P. chrysosporium was incubated in a solution containing cadmium nitrate tetrahydrate, which became yellow from 12h onwards, indicating the formation of CdS nanocrystals. The purified solution showed a maximum absorbance peak between 296 and 298 nm due to CdS particles in the quantum size regime. The fluorescence emission at 458 nm showed the blue fluorescence of the nanoparticles. X-ray analysis of the nanoparticles confirmed the production of CdS with a face-centered cubic (fcc) crystal structure. The average grain size of the nanoparticles was approximately 2.56 nm, as determined from the full width at half-maximum (FWHM) measurement of the most intense peak using Scherer's equation. Transmission electron microscopic analysis showed the nanoparticles to be of a uniform size with good crystallinity. The changes to the functional groups on the biomass surface were investigated through Fourier transform infrared spectroscopy. Furthermore, the secretion of cysteine and proteins was found to play an important role in the formation and stabilization of CdS QDs. In conclusion, our study outlines a chemical process for the molecular synthesis of CdS nanoparticles.</AbstractText>
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<ForeName>Ming</ForeName>
<Initials>M</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>
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<ForeName>Jianjian</ForeName>
<Initials>J</Initials>
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<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>Huang</LastName>
<ForeName>Jian</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>
<Author ValidYN="Y">
<LastName>Zhang</LastName>
<ForeName>Qihua</ForeName>
<Initials>Q</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>
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<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>2014</Year>
<Month>02</Month>
<Day>24</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>Netherlands</Country>
<MedlineTA>Colloids Surf B Biointerfaces</MedlineTA>
<NlmUniqueID>9315133</NlmUniqueID>
<ISSNLinking>0927-7765</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D019187">Cadmium Compounds</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D013440">Sulfides</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>057EZR4Z7Q</RegistryNumber>
<NameOfSubstance UI="C034939">cadmium sulfide</NameOfSubstance>
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</MeshHeading>
<MeshHeading>
<DescriptorName UI="D004055" MajorTopicYN="N">Differential Thermal Analysis</DescriptorName>
</MeshHeading>
<MeshHeading>
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<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
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<DescriptorName UI="D055772" MajorTopicYN="N">Green Chemistry Technology</DescriptorName>
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<MeshHeading>
<DescriptorName UI="D020075" MajorTopicYN="N">Phanerochaete</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D045663" MajorTopicYN="N">Quantum Dots</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
<QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D013052" MajorTopicYN="N">Spectrometry, X-Ray Emission</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D013056" MajorTopicYN="N">Spectrophotometry, Ultraviolet</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D017550" MajorTopicYN="N">Spectroscopy, Fourier Transform Infrared</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D013440" MajorTopicYN="N">Sulfides</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D013818" MajorTopicYN="N">Thermogravimetry</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D014961" MajorTopicYN="N">X-Ray Diffraction</DescriptorName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="N">Biosynthesis</Keyword>
<Keyword MajorTopicYN="N">CdS</Keyword>
<Keyword MajorTopicYN="N">Face-centered cubic</Keyword>
<Keyword MajorTopicYN="N">Nanoparticles</Keyword>
</KeywordList>
</MedlineCitation>
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<History>
<PubMedPubDate PubStatus="received">
<Year>2013</Year>
<Month>07</Month>
<Day>17</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="revised">
<Year>2014</Year>
<Month>01</Month>
<Day>14</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2014</Year>
<Month>02</Month>
<Day>17</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2014</Year>
<Month>3</Month>
<Day>18</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<Year>2014</Year>
<Month>3</Month>
<Day>19</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline">
<Year>2014</Year>
<Month>12</Month>
<Day>17</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">24632392</ArticleId>
<ArticleId IdType="pii">S0927-7765(14)00094-0</ArticleId>
<ArticleId IdType="doi">10.1016/j.colsurfb.2014.02.027</ArticleId>
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</pubmed>
<affiliations>
<list>
<country>
<li>République populaire de Chine</li>
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</list>
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<country name="République populaire de Chine">
<noRegion>
<name sortKey="Chen, Guiqiu" sort="Chen, Guiqiu" uniqKey="Chen G" first="Guiqiu" last="Chen">Guiqiu Chen</name>
</noRegion>
<name sortKey="Chen, Anwei" sort="Chen, Anwei" uniqKey="Chen A" first="Anwei" last="Chen">Anwei Chen</name>
<name sortKey="Du, Jianjian" sort="Du, Jianjian" uniqKey="Du J" first="Jianjian" last="Du">Jianjian Du</name>
<name sortKey="Huang, Jian" sort="Huang, Jian" uniqKey="Huang J" first="Jian" last="Huang">Jian Huang</name>
<name sortKey="Niu, Qiuya" sort="Niu, Qiuya" uniqKey="Niu Q" first="Qiuya" last="Niu">Qiuya Niu</name>
<name sortKey="Yan, Ming" sort="Yan, Ming" uniqKey="Yan M" first="Ming" last="Yan">Ming Yan</name>
<name sortKey="Yi, Bin" sort="Yi, Bin" uniqKey="Yi B" first="Bin" last="Yi">Bin Yi</name>
<name sortKey="Zeng, Guangming" sort="Zeng, Guangming" uniqKey="Zeng G" first="Guangming" last="Zeng">Guangming Zeng</name>
<name sortKey="Zhang, Qihua" sort="Zhang, Qihua" uniqKey="Zhang Q" first="Qihua" last="Zhang">Qihua Zhang</name>
</country>
</tree>
</affiliations>
</record>

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