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    • 81. 发明授权
    • Water-soluble, surface-functionalized nanoparticle for bioconjugation via universal silane coupling
    • 用于通过通用硅烷偶联生物缀合的水溶性表面官能化纳米颗粒
    • US08097742B2
    • 2012-01-17
    • US11795639
    • 2005-01-20
    • Jackie Y. YingNikhil R. JanaYuangang Zheng
    • Jackie Y. YingNikhil R. JanaYuangang Zheng
    • C07F7/08
    • C07K17/14A61K47/6923A61K47/6929B82Y5/00C07B2200/11C07F7/1804C07F9/4012
    • The invention provides a process for the preparation of a surface-functionalized nanoparticle comprising: (a) reacting a nanoparticle with a functionalized silane and a base in a substantially non-aqueous solvent to obtain a partially conjugated silanated nanoparticle, wherein the functionalized silane and the base are present in relative amounts such that said functionalized silane undergoes substantially only a single hydrolysis reaction; (b) reacting the partially conjugated silanated nanoparticle formed in step (a) with a base in a solvent in which the partially conjugated silanated nanoparticle is substantially insoluble and in which the base is substantially soluble. The invention also provides a surface-functionalized nanoparticle prepared therefrom and a bioconjugate comprising said a surface-functionalized nanoparticle.
    • 本发明提供了制备表面官能化纳米颗粒的方法,其包括:(a)使纳米颗粒与官能化的硅烷和碱在基本上非水溶剂中反应,得到部分共轭的硅烷化纳米颗粒,其中官能化的硅烷和 碱以相对量存在,使得所述官能化硅烷基本上仅经历单一水解反应; (b)使步骤(a)中形成的部分共轭的硅烷化纳米颗粒与碱在溶剂中反应,其中部分共轭的硅烷化纳米颗粒基本上不溶,其中碱基本上是可溶的。 本发明还提供由其制备的表面官能化纳米颗粒和包含所述表面官能化纳米颗粒的生物共轭物。