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题名: C-13-engineered carbon quantum dots for in vivo magnetic resonance and fluorescence dual-response
作者: Xu, Yang1;  Li, Yu-Hao2;  Wang, Yue2;  Cui, Jian-Lin2;  Yin, Xue-Bo1;  He, Xi-Wen1;  Zhang, Yu-Kui1, 3
刊名: ANALYST
发表日期: 2014-10-21
DOI: 10.1039/c4an01194e
卷: 139, 期:20, 页:5134-5139
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: C-13-engineered carbon quantum dots (C-13-QDs) were used as magnetic resonance (MR) and fluorescence dual-response probe. The enhanced C-13-MR signal was observed at 171 ppm from carboxylic and carboxyl carbons in C-13-QDs with 160-fold improvement on signal-to-noise ratio even when no hyperpolarization was applied, whereas the intrinsic fluorescence of C-QDs was still maintained. The stable MR and fluorescence dual-response was successfully used for long-term observation of zebrafish embryonic development. Cross-validation between MR and fluorescence confirmed the distribution of C-13-QD in zebrafish. C-13-MR provides specific information about the presence, magnitude, and progression of 13C-QDs by defining MR intensity, whereas fluorescence reveals the location of C-13-QD5 with its high sensitivity. C-13-MR and fluorescence was simultaneously observed within C-13-QDs, and this work may expand the applications of isotope-engineered nanomaterials.
关键词[WOS]: DYNAMIC NUCLEAR-POLARIZATION ;  ONE-POT SYNTHESIS ;  DEVELOPING ZEBRAFISH ;  NANOPARTICLES ;  NANOTUBES ;  EMBRYOGENESIS ;  SPECTROSCOPY ;  GLYCANS ;  GENOME
语种: 英语
WOS记录号: WOS:000342393900013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145832
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, Res Ctr Analyt Sci,State Key Lab Med Chem Biol, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China
2.Nankai Univ, Sch Med, Key Lab Anim Models & Degenerat Neurol Dis Tianji, Tianjin 300071, Peoples R China
3.Chinese Acad Sci, Natl Chromatog R&A Ctr, Dalian Inst Chem Phys, Dalian 116011, Peoples R China

Recommended Citation:
Xu, Yang,Li, Yu-Hao,Wang, Yue,et al. C-13-engineered carbon quantum dots for in vivo magnetic resonance and fluorescence dual-response[J]. ANALYST,2014,139(20):5134-5139.
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