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    • 2. 发明申请
    • Nanocrystal Based Biomolecule Detection
    • 基于纳米晶体的生物分子检测
    • US20140322818A1
    • 2014-10-30
    • US13869780
    • 2013-04-24
    • Gang BaoSheng Tong
    • Gang BaoSheng Tong
    • G01N33/543
    • G01N33/54306G01N33/553G01N33/588
    • A new signal amplification method exploiting the dense atom packing in metallic nanocrystals has been developed for detecting target substances. By dissolving nanocrystals to individual ions that are stoichiometrically converted to chromophores and quantified photometrically, extremely high signal amplification can be achieved. Signal amplification is fully determined by the total number of atoms in the nanocrystals bound to a single target molecule. The disclosed nanocrystal amplification method can be implemented with a rich selection of metal/metal oxide nanocrystals and metal-reactive chromogenic substrates. The chromogenic reactions can be either solution-based or surface-based and performed in aqueous or organic phase, supporting a variety of assay formats
    • 开发了一种利用金属纳米晶体中的致密原子填充的新型信号放大方法,用于检测目标物质。 通过将纳米晶体溶解在化学计量转换为发色团的个别离子上并进行光度测量,可以实现极高的信号放大。 信号放大完全由与单个靶分子结合的纳米晶体中的原子总数决定。 所公开的纳米晶体扩增方法可以用丰富的金属/金属氧化物纳米晶体和金属反应性显色底物的选择来实现。 显色反应可以是基于溶液的或基于表面的,并且在水相或有机相中进行,支持各种测定形式