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    • 3. 发明授权
    • Field of modular multifunctional ligands
    • 模块化多功能配体领域
    • US07648843B2
    • 2010-01-19
    • US11775255
    • 2007-07-10
    • Harry Tetsuo UyedaHedi M MattoussiIgor L Medintz
    • Harry Tetsuo UyedaHedi M MattoussiIgor L Medintz
    • G01N33/543G01N33/551G01N33/544C07C321/12C07C321/16
    • B82Y15/00B82Y5/00B82Y10/00G01N33/532G01N33/588Y10T436/182
    • This invention pertains to a surface ligand; preparation of the ligand; colloidal nanoparticle, such as quantum dot bearing one or more of the ligand; and a bioconjugate characterized by a nanoparticle bearing one or more of the ligand conjugated to a biomolecule. The ligand is characterized by the presence of a first module containing atoms that can attach to an inorganic surface; a second module that imparts water-solubility to the ligand and to the inorganic surface that may be attached to the ligand; and a third module that contains a functional group that can, directly or indirectly, conjugate to a biomolecule. Order of the modules can be different and other modules and groups can be on the ligand. Preparation of the ligand includes the steps of reacting a compound having atoms that can attach to an inorganic surface with a water-solubilizing compound that imparts the property of water-solubility to the ligand and the inorganic surface to which it may be attached and purification thereof. Colloidal nanoparticle is characterized by an inorganic surface having attached to it one or more of the ligands. The colloidal bioconjugate is characterized by an inorganic surface having attached thereto one or more of the ligand wherein at least some of the ligand have a biomolecule conjugated thereto.
    • 本发明涉及表面配体; 配体的制备; 胶体纳米颗粒,例如带有一个或多个配体的量子点; 其特征在于具有一个或多个与生物分子缀合的配体的纳米颗粒。 该配体的特征在于存在可以附着到无机表面上的原子的第一模块; 赋予配体和附着于配体的无机表面的水溶性的第二模块; 以及包含可以直接或间接缀合到生物分子的官能团的第三模块。 模块的顺序可以不同,其他模块和组可以在配体上。 配体的制备包括以下步骤:将具有可附着于无机表面的原子的化合物与赋予其可配位的无机表面和赋予其水溶性的水溶性化合物反应 。 胶体纳米颗粒的特征在于其上连接有一个或多个配体的无机表面。 胶体生物缀合物的特征在于其上附着有一种或多种配体的无机表面,其中至少一些配体具有与其缀合的生物分子。