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    • 7. 发明申请
    • SYNTHESIS OF MOLECULAR SIEVES FOR MODIFYING THE SURFACES OF NANOPARTICLES HAVING AMPHOTERIC IONS, AND APPLICATION THEREOF
    • 用于修饰具有两性离子的纳米颗粒表面的分子筛的合成及其应用
    • WO2012057556A3
    • 2012-09-13
    • PCT/KR2011008116
    • 2011-10-28
    • POSTECH ACAD IND FOUNDKIM SUNGJEEPARK JOONHYUCKNAM JUTAEKJIN HO
    • KIM SUNGJEEPARK JOONHYUCKNAM JUTAEKJIN HO
    • B82B3/00B82B1/00
    • C07C323/41B82B1/005C07C319/06
    • The present invention relates to a surface modification method for improving the dispersion of nanoparticles, and to nanoparticles having improved dispersion properties prepared by the method. More particularly, the present invention relates to a method in which amphoteric compounds are bonded to the surfaces of nanoparticles to improve dispersion at the surfaces of nanoparticles. The present invention also relates to nanoparticles using the method. Both anions and cations are formed on the surfaces of the nanoparticles according to the present invention, and therefore the nanoparticles are electrically stable so as to achieve stability in a wide pH range, are stably dispersed in the event of a high concentration of salts, and the non-specific adsorption thereof is reduced. Novel specific substances or sensors having minimized non-specific adsorption may be produced using the nanoparticles of the present invention.
    • 本发明涉及改善纳米粒子分散性的表面改性方法,以及通过该方法制备的具有改善的分散性能的纳米粒子。 更具体地说,本发明涉及一种将两性化合物结合到纳米粒子表面以改善纳米粒子表面分散的方法。 本发明还涉及使用该方法的纳米颗粒。 阴离子和阳离子都形成在根据本发明的纳米颗粒的表面上,并且因此纳米颗粒是电稳定的以便在宽的pH范围内实现稳定性,在高浓度盐的情况下稳定地分散,以及 其非特异性吸附减少。 使用本发明的纳米颗粒可以产生具有最小化非特异性吸附的新颖特定物质或传感器。