Highly luminescent water-soluble quaternary Zn-Ag-In-S quantum dots for tumor cell-targeted imaging
Identifieur interne : 000232 ( Chine/Analysis ); précédent : 000231; suivant : 000233Highly luminescent water-soluble quaternary Zn-Ag-In-S quantum dots for tumor cell-targeted imaging
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Abstract
Exploring the synthesis and biomedical applications of biocompatible quantum dots (QDs) is currently one of the fastest growing fields of nanotechnology. Hence, in this work, we present a facile approach to produce water-soluble (cadmium-free) quaternary Zn-Ag-In-S (ZAIS) QDs. Their efficient photoluminescence (PL) emissions can be tuned widely in the range of 525-625 nm by controlling the size and composition of the QDs with the PL quantum yields (QYs) of 15-30%. These highly luminescent ZAIS QDs are less toxic due to the absence of highly toxic cadmium, and can be versatilely modified by a DHLA-PEG-based ligand. Importantly, after being modified by tumor cell-specific targeting ligands (e.g., folate and RGD peptide), the PEGylated quaternary QDs show potential applications in tumor cell imaging as a promising alternative for Cd-based QDs.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Highly luminescent water-soluble quaternary Zn-Ag-In-S quantum dots for tumor cell-targeted imaging</title><author><name>DAWEI DENG</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biomedical Engineering, School af Life Science and Technology, China Pharmaceutical University</s1><s2>Nanjing 210009</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Nanjing 210009</wicri:noRegion></affiliation></author><author><name>JIE CAO</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biomedical Engineering, School af Life Science and Technology, China Pharmaceutical University</s1><s2>Nanjing 210009</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Nanjing 210009</wicri:noRegion></affiliation></author><author><name>LINGZHI QU</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biomedical Engineering, School af Life Science and Technology, China Pharmaceutical University</s1><s2>Nanjing 210009</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Nanjing 210009</wicri:noRegion></affiliation></author><author><name sortKey="Achilefu, Samuel" uniqKey="Achilefu S">Samuel Achilefu</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Radiology, School of Medicine, Waskington University</s1><s2>St. Louis, Missouri 63110</s2><s3>USA</s3><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>St. Louis, Missouri 63110</wicri:noRegion></affiliation></author><author><name>YUEQING GU</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Biomedical Engineering, School af Life Science and Technology, China Pharmaceutical University</s1><s2>Nanjing 210009</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>République populaire de Chine</country><wicri:noRegion>Nanjing 210009</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">13-0180876</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 13-0180876 INIST</idno><idno type="RBID">Pascal:13-0180876</idno><idno type="wicri:Area/Main/Corpus">000E06</idno><idno type="wicri:Area/Main/Repository">000B81</idno><idno type="wicri:Area/Chine/Extraction">000232</idno></publicationStmt><seriesStmt><idno type="ISSN">1463-9076</idno><title level="j" type="abbreviated">PCCP, Phys. chem. chem. phys. : (Print)</title><title level="j" type="main">PCCP. Physical chemistry chemical physics : (Print)</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomedical application</term><term>Colloid</term><term>Imaging</term><term>Indium</term><term>Quantum dot</term><term>Silver</term><term>Sulfur</term><term>Tumor cell</term><term>Water</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Eau</term><term>Point quantique</term><term>Formation image</term><term>Argent</term><term>Indium</term><term>Soufre</term><term>Colloïde</term><term>Cellule tumorale</term><term>Application biomédicale</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Eau</term><term>Argent</term><term>Soufre</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Exploring the synthesis and biomedical applications of biocompatible quantum dots (QDs) is currently one of the fastest growing fields of nanotechnology. Hence, in this work, we present a facile approach to produce water-soluble (cadmium-free) quaternary Zn-Ag-In-S (ZAIS) QDs. Their efficient photoluminescence (PL) emissions can be tuned widely in the range of 525-625 nm by controlling the size and composition of the QDs with the PL quantum yields (QYs) of 15-30%. These highly luminescent ZAIS QDs are less toxic due to the absence of highly toxic cadmium, and can be versatilely modified by a DHLA-PEG-based ligand. Importantly, after being modified by tumor cell-specific targeting ligands (e.g., folate and RGD peptide), the PEGylated quaternary QDs show potential applications in tumor cell imaging as a promising alternative for Cd-based QDs.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1463-9076</s0></fA01><fA03 i2="1"><s0>PCCP, Phys. chem. chem. phys. : (Print)</s0></fA03><fA05><s2>15</s2></fA05><fA06><s2>14</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Highly luminescent water-soluble quaternary Zn-Ag-In-S quantum dots for tumor cell-targeted imaging</s1></fA08><fA11 i1="01" i2="1"><s1>DAWEI DENG</s1></fA11><fA11 i1="02" i2="1"><s1>JIE CAO</s1></fA11><fA11 i1="03" i2="1"><s1>LINGZHI QU</s1></fA11><fA11 i1="04" i2="1"><s1>ACHILEFU (Samuel)</s1></fA11><fA11 i1="05" i2="1"><s1>YUEQING GU</s1></fA11><fA14 i1="01"><s1>Department of Biomedical Engineering, School af Life Science and Technology, China Pharmaceutical University</s1><s2>Nanjing 210009</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>5 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Radiology, School of Medicine, Waskington University</s1><s2>St. Louis, Missouri 63110</s2><s3>USA</s3><sZ>4 aut.</sZ></fA14><fA20><s1>5078-5083</s1></fA20><fA21><s1>2013</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>26801</s2><s5>354000173303420280</s5></fA43><fA44><s0>0000</s0><s1>© 2013 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>40 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>13-0180876</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>PCCP. Physical chemistry chemical physics : (Print)</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Exploring the synthesis and biomedical applications of biocompatible quantum dots (QDs) is currently one of the fastest growing fields of nanotechnology. Hence, in this work, we present a facile approach to produce water-soluble (cadmium-free) quaternary Zn-Ag-In-S (ZAIS) QDs. Their efficient photoluminescence (PL) emissions can be tuned widely in the range of 525-625 nm by controlling the size and composition of the QDs with the PL quantum yields (QYs) of 15-30%. These highly luminescent ZAIS QDs are less toxic due to the absence of highly toxic cadmium, and can be versatilely modified by a DHLA-PEG-based ligand. Importantly, after being modified by tumor cell-specific targeting ligands (e.g., folate and RGD peptide), the PEGylated quaternary QDs show potential applications in tumor cell imaging as a promising alternative for Cd-based QDs.</s0></fC01><fC02 i1="01" i2="X"><s0>001C01J02</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Eau</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Water</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Agua</s0><s5>01</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Point quantique</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Quantum dot</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Punto cuántico</s0><s5>02</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Formation image</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Imaging</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Formación imagen</s0><s5>03</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>Argent</s0><s2>NC</s2><s2>FX</s2><s5>04</s5></fC03><fC03 i1="04" i2="X" l="ENG"><s0>Silver</s0><s2>NC</s2><s2>FX</s2><s5>04</s5></fC03><fC03 i1="04" i2="X" l="SPA"><s0>Plata</s0><s2>NC</s2><s2>FX</s2><s5>04</s5></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Indium</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Indium</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Indio</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Soufre</s0><s2>NC</s2><s2>FX</s2><s5>06</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Sulfur</s0><s2>NC</s2><s2>FX</s2><s5>06</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Azufre</s0><s2>NC</s2><s2>FX</s2><s5>06</s5></fC03><fC03 i1="07" i2="X" l="FRE"><s0>Colloïde</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="ENG"><s0>Colloid</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="SPA"><s0>Coloide</s0><s5>07</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Cellule tumorale</s0><s5>08</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Tumor cell</s0><s5>08</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Célula tumoral</s0><s5>08</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Application biomédicale</s0><s4>CD</s4><s5>96</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Biomedical application</s0><s4>CD</s4><s5>96</s5></fC03><fN21><s1>161</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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