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学科主题物理化学
Fabrication of QD-silica-Au NCs ternary hybrid sphere-based fluorescence bar codes by a post-encoding method
Wang, Yan-Qin1,2; He, Xi-Wen1,2; Li, Wen-You1,2; Zhang, Yu-Kui1,2,3; Li WY(李文友)
刊名JOURNAL OF MATERIALS CHEMISTRY C
2013
DOI10.1039/c3tc00681f
1期:11页:2202-2208
收录类别SCI
合作性质
文章类型Article
部门归属18
项目归属1810
产权排名待补充
WOS标题词Science & Technology ; Technology ; Physical Sciences
资助者2,4 ; 2,4 ; 2,4 ; 2,4
类目[WOS]Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Materials Science ; Physics
关键词[WOS]RESONANCE ENERGY-TRANSFER ; NANOPARTICLES ; NANOCLUSTERS ; NANOCRYSTALS ; LUMINESCENT ; PROBES
英文摘要We fabricated QD-silica-Au NC hybrid spheres, in which the solid silica core contained QDs while the mesostructured silica shell contained Au NCs, by a two-step synthesis procedure. The hybrid spheres were further characterized by high-resolution transmission electron microscopy (HRTEM), energy dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR) and nitrogen adsorption-desorption analysis to confirm the formation of the ternary hybrid structure. The as-prepared ternary hybrid spheres showed an interesting fluorescence spectrum variation and further could be developed as a precursor for fabricating multicolor fluorescence bar codes by using L-cysteine (L-Cys) as an effective post-encoding adjuster. A small variation of the concentration of L-Cys led to a prominent change of the precursor's fluorescence intensity ratio, which could correspond to a series of distinguishable multicolor fluorescent bar codes. Furthermore, the multicolour fluorescence bar codes fabricated by the post-encoding method showed excellent non-reversibility, batch-to-batch reproducibility of the intensity ratios, photophysical and thermal stability properties and anti-interference capabilities, which are important virtues for them to be used in high-throughput bio-labelling and imaging.
语种英语
资助者2,4 ; 2,4 ; 2,4 ; 2,4
原文出处查看原文
WOS记录号WOS:000315169100016
引用统计
被引频次:4[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/321008/119421
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, Dalian Inst Chem Phys, Natl Chromatograph Res & Anal Ctr, Dalian 116011, Peoples R China
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Wang, Yan-Qin,He, Xi-Wen,Li, Wen-You,et al. Fabrication of QD-silica-Au NCs ternary hybrid sphere-based fluorescence bar codes by a post-encoding method[J]. JOURNAL OF MATERIALS CHEMISTRY C,2013,1(11):2202-2208.
APA Wang, Yan-Qin,He, Xi-Wen,Li, Wen-You,Zhang, Yu-Kui,&李文友.(2013).Fabrication of QD-silica-Au NCs ternary hybrid sphere-based fluorescence bar codes by a post-encoding method.JOURNAL OF MATERIALS CHEMISTRY C,1(11),2202-2208.
MLA Wang, Yan-Qin,et al."Fabrication of QD-silica-Au NCs ternary hybrid sphere-based fluorescence bar codes by a post-encoding method".JOURNAL OF MATERIALS CHEMISTRY C 1.11(2013):2202-2208.
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