ICCAS OpenIR
Decorating multi-walled carbon nanotubes with quantum dots for construction of multi-color fluorescent nanoprobes
Jia, Nengqin1; Lian, Qiong1; Tian, Zhong1; Duan, Xin2; Yin, Min1; Jing, Lihong2; Chen, Shouhui1; Shen, Hebai1; Gao, Mingyuan2
2010-01-29
Source PublicationNANOTECHNOLOGY
ISSN0957-4484
Volume21Issue:4
AbstractNovel multi-color fluorescent nanoprobes were prepared by electrostatically assembling differently sized CdTe quantum dots on polyethylenimine (PEI) functionalized multi-walled carbon nanotubes (MWNTs). The structural and optical properties of the nano-assemblies (MWNTs-PEI-CdTe) were characterized by transmission electron microscopy (TEM), electron diffraction spectra (EDS), Raman spectroscopy, confocal microscopy and photoluminescence spectroscopy (PL), respectively. Electrochemical impedance spectroscopy (EIS) was also applied to investigate the electrostatic assembling among oxidized MWNTs, PEI and CdTe. Furthermore, confocal fluorescence microscopy was used to monitor the nano-assemblies' delivery into tumor cells. It was found that the nano-assemblies exhibit efficient intracellular transporting and strong intracellular tracking. These properties would make this luminescent nano-assembly an excellent building block for the construction of intracellular nanoprobes, which could hold great promise for biomedical applications.
DOI10.1088/0957-4484/21/4/045606
Indexed BySCI
Language英语
WOS IDWOS:000272963100018
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68982
Collection中国科学院化学研究所
Corresponding AuthorJia, Nengqin
Affiliation1.Shanghai Normal Univ, Dept Chem, Life & Environm Sci Coll, Shanghai 200234, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jia, Nengqin,Lian, Qiong,Tian, Zhong,et al. Decorating multi-walled carbon nanotubes with quantum dots for construction of multi-color fluorescent nanoprobes[J]. NANOTECHNOLOGY,2010,21(4).
APA Jia, Nengqin.,Lian, Qiong.,Tian, Zhong.,Duan, Xin.,Yin, Min.,...&Gao, Mingyuan.(2010).Decorating multi-walled carbon nanotubes with quantum dots for construction of multi-color fluorescent nanoprobes.NANOTECHNOLOGY,21(4).
MLA Jia, Nengqin,et al."Decorating multi-walled carbon nanotubes with quantum dots for construction of multi-color fluorescent nanoprobes".NANOTECHNOLOGY 21.4(2010).
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