Preparation and characterization of nontoxic magnetic-luminescent nanoprobe |
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| Authors: | Yin Nai-Qiang a Liu Ling a Lei Jie-Mei a Liu Yan-Song a Gong Mao-Gang a Wu Yi-Zhi a Zhu Li-Xin b and Xu Xiao-Liang |
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| Institution: | a) a) Department of Physics,University of Science and Technology of China,Hefei 230026,China b) Center Laboratory,First Affiliated Hospital,Anhui Medical University,Hefei 230022,China |
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| Abstract: | A novel nontoxic,magnetic,and luminescent nanoprobe is prepared by using complex nanoparticles,which are composed of Fe3O4 nanoparticles and Mn-doped ZnS quantum dots(QDs).The nanocomposite probe can provide visible optical and magnetic resonance images simultaneously.Compared with the previously toxic cadmium and mercury based QDs,the superiority of the Mn-doped ZnS QDs is little virulence.The structure and the properties of the particles are characterized by energy dispersive X-ray analysis spectroscopy,X-ray photoelectron spectroscopy,transmission electron microscopy,photoluminescence spectroscopy,and vibrating sample magnetometer. |
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| Keywords: | optical property magnetic property nanostructure |
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