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学科主题: 物理化学
题名: Facile synthesis of ionic liquid functionalized silica-capped CdTe quantum dots for selective recognition and detection of hemoproteins
作者: Li, Dong-Yan1, 2;  Wang, Yi-Zhi1, 2;  Zhao, Xiao-Li1, 2;  He, Xi-Wen1, 2;  Li, Wen-You1, 2;  Zhang, Yu-Kui1, 2, 3
通讯作者: DongyanLi
刊名: JOURNAL OF MATERIALS CHEMISTRY B
发表日期: 2014
DOI: 10.1039/c4tb00865k
卷: 2, 期:34, 页:5659-5665
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Biomaterials
研究领域[WOS]: Materials Science
英文摘要: A facile and efficient approach for preparation of ionic liquid functionalized silica-capped CdTe QDs (CdTe/SiO2/IL) was proposed in this work. The imidazolium-based ionic liquid N-3-(3-trimethoxysilylpropyl)-3-methyl imidazolium chloride was introduced and anchored on the surface of silica-capped CdTe QDs by the sol-gel technique, which played the role of a recognition element due to the covalent coordination binding between the heme group of hemoprotein and the imidazolium cation in the ionic liquid. The synthetic CdTe/SiO2/IL was further characterized by elemental analysis, transmission electronic microscopy (TEM), X-ray photoelectron spectra (XPS) and Fourier transform infrared spectroscopy (FT-IR). Combining the merits of the fluorescence property of the QDs and the covalent interaction of the ionic liquid with hemoproteins, the CdTe/SiO2/IL exhibited high adsorption capacity and good specificity toward hemoproteins and also was successfully applied in the fluorescence detection of hemoprotein in biological fluid. The strategy provided a promising way to fabricate functionalized fluorescence materials as biomedical/chemical sensors for the separation and detection of hemoproteins in proteomics research.
关键词[WOS]: BOVINE HEMOGLOBIN ;  IMIDAZOLIUM SALTS ;  NANOPARTICLES ;  GLYCOPROTEINS ;  ENRICHMENT ;  QUANTIFICATION ;  GLYCOPEPTIDES ;  NANOCRYSTALS ;  COMBINATION ;  FABRICATION
语种: 英语
WOS记录号: WOS:000340586500018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144436
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Nankai Univ, Coll Chem, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, State Key Lab Med Chem Biol, Tianjin 300071, Peoples R China
2.Nankai Univ, Res Ctr Analyt Sci, Tianjin 300071, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog Res & Anal Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Li, Dong-Yan,Wang, Yi-Zhi,Zhao, Xiao-Li,et al. Facile synthesis of ionic liquid functionalized silica-capped CdTe quantum dots for selective recognition and detection of hemoproteins[J]. JOURNAL OF MATERIALS CHEMISTRY B,2014,2(34):5659-5665.
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