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sally208专家顾问 (著名写手)
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本人新近在Nano Today上发表的关于荧光金属纳米簇的综述
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Review Ultra-small fluorescent metal nanoclusters: Synthesis and biological applications Li Shang, Shaojun Dong and G. Ulrich Nienhaus  Abstract Recent advances in nanotechnology have given rise to a new class of fluorescent labels, fluorescent metal nanoclusters, e.g., Au and Ag. These nanoclusters are of significant interest because they provide the missing link between atomic and nanoparticle behavior in metals. Composed of a few to a hundred atoms, their sizes are comparable to the Fermi wavelength of electrons, resulting in molecule-like properties including discrete electronic states and size-dependent fluorescence. Fluorescent metal nanoclusters have an attractive set of features, such as ultrasmall size, good biocompatibility and excellent photostability, making them ideal fluorescent labels for biological applications. In this review, we summarize synthesis strategies of water-soluble fluorescent metal nanoclusters and their optical properties, highlight recent advances in their application for ultrasensitive biological detection and fluorescent biological imaging, and finally discuss current challenges for their potential biomedical applications. Graphical abstract Highlights ► Fluorescent metal nanoclusters are novel luminescent nanomaterials with ultrasmall dimensions. ► Fluorescent metal nanoclusters have been synthesized with various biocompatible coatings. ► Recent advances have demonstrated the potential of metal nanoclusters as luminescent probes for biological applications. Keywords: Fluorescent probes; Metal nanoclusters; Bioanalysis; Fluorescence imaging; Biolabels Link: http://www.sciencedirect.com/sci ... i/S1748013211000703 全文下载链接： http://www.box.net/shared/04kvec9y63ttv3aghqg7 or http://www.boxcn.net/shared/04kvec9y63ttv3aghqg7 写的第一篇综述，因为这个topic就是自己正在做的课题，所以写起来没费多大劲。写的时候就是奔着Nano Today这个期刊去的，因此写好后就直接投了过去，两个月后审稿意见回来，3个审稿意见都非常好，所以小改后很快就接受了。这篇综述我最喜欢之处就是能让自己的大头贴也上了期刊，哈哈。 感兴趣的虫子欢迎回帖交流。 |
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 谢谢楼主给我们分享这样的好资源，想和楼主请教下合成银纳米簇的经验，我最近也在合成银纳米簇，但是测不出荧光，不知道是哪里存在问题，想麻烦楼主帮忙分析下，我是先用硝酸银和DNA在室温下避光静止反应30分钟，随后快速加入硼氢化钠，涡旋混合30s后，继续室温25度避光静止反应6 h,随后放入4度的冰箱静止过夜，然后拿出来测荧光。其中硝酸银和DN以及硼氢化钠的比例控制在6：1：6.反应介质为pH=7.0的PB含有镁离子，但是我测不出荧光，不知道是哪里存在问题，麻烦楼主帮我找找问题所在，非常感谢！（所用的DNA模板是参考汪院士13年发表在Chemical Science上的A new approach to light up DNA/Ag nanocluster-based beacons for bioanalysis中的核酸链） |
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