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学科主题物理化学
One-pot aqueous synthesis of composition-tunable near-infrared emitting Cu-doped CdS quantum dots as fluorescence imaging probes in living cells
Zhang, Fei1,2; He, Xi-Wen1,2; Li, Wen-You1,2; Zhang, Yu-Kui1,2,3; Li WY(李文友)
刊名JOURNAL OF MATERIALS CHEMISTRY
2012-11-07
DOI10.1039/c2jm33560c
22期:41页:22250-22257
收录类别SCI
文章类型Article
部门归属18
项目归属1810
产权排名2,4
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Materials Science
关键词[WOS]ZNSE NANOCRYSTAL EMITTERS ; NON-CADMIUM ; L-CYSTEINE ; NANOPARTICLES ; LUMINESCENCE ; EFFICIENT ; CANCER ; TUMORS
英文摘要In the last two decades, near-infrared (NIR) emitting Cu-doped quantum dots (QDs) have stimulated stupendous research interest for their excellent optical properties. Due to the synthetic method in the organic phase, almost none of the NIR emitting Cu-doped QDs were used as the fluorescent probes for biological imaging, despite being employed for applications in many fields. In this work, we successfully synthesized water-soluble Cu-doped CdS quantum dots (Cu:CdS d-dots) with an emission wavelength at 722 nm using a fast and facile hydrothermal method. The optical properties of the d-dots and several key parameters of the synthesis conditions such as dopant concentration, reaction temperature, reflux time, and especially the pH of the reaction mixture were systematically studied, and the mechanism of these parameters is also discussed. A red shift of the emission maximum as a consequence of the increased reaction temperature was observed, but it does not move to the NIR region until Cu2+ is doped even at the highest reflux temperature in aqueous solution. The d-dots have good water solubility and biocompatibility for successful labeling the living He La cells as fluorescence probe.
语种英语
WOS记录号WOS:000310047200064
引用统计
被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/118023
专题中国科学院大连化学物理研究所
通讯作者Li WY(李文友)
作者单位1.Nankai Univ, State Key Lab Med Chem Biol, Tianjin 300071, Peoples R China
2.Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
3.Chinese Acad Sci, Natl Chromatog Res & Anal Ctr, Dalian Inst Chem Phys, Dalian 116011, Peoples R China
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GB/T 7714
Zhang, Fei,He, Xi-Wen,Li, Wen-You,et al. One-pot aqueous synthesis of composition-tunable near-infrared emitting Cu-doped CdS quantum dots as fluorescence imaging probes in living cells[J]. JOURNAL OF MATERIALS CHEMISTRY,2012,22(41):22250-22257.
APA Zhang, Fei,He, Xi-Wen,Li, Wen-You,Zhang, Yu-Kui,&李文友.(2012).One-pot aqueous synthesis of composition-tunable near-infrared emitting Cu-doped CdS quantum dots as fluorescence imaging probes in living cells.JOURNAL OF MATERIALS CHEMISTRY,22(41),22250-22257.
MLA Zhang, Fei,et al."One-pot aqueous synthesis of composition-tunable near-infrared emitting Cu-doped CdS quantum dots as fluorescence imaging probes in living cells".JOURNAL OF MATERIALS CHEMISTRY 22.41(2012):22250-22257.
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