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    • 67. 发明申请
    • Method for forming nanoparticle films and applications thereof
    • 形成纳米颗粒膜的方法及其应用
    • US20050255236A1
    • 2005-11-17
    • US10843832
    • 2004-05-12
    • Tao DengAmy Smentkowski
    • Tao DengAmy Smentkowski
    • B05D1/00B05D1/12B05D1/20B05D7/22B32B5/16C03C17/00C03C17/10C23C2/04C23C26/00G01N21/65
    • C03C17/006B05D1/00B05D1/20B05D1/202B05D7/222B82Y30/00C03C17/10C03C2217/255C03C2217/42C03C2218/111C23C2/04C23C26/00G01N21/658Y10S977/84Y10T428/25
    • Disclosed herein is a method for making a nanoparticle film comprising dispersing nanoparticles in a first liquid; adding a second liquid to the first liquid to form a nanoparticle film on top of a solution comprising the first liquid, the second liquid and the nanoparticles, wherein the second liquid has a dielectric constant that is different from a dielectric constant of the first liquid; and contacting a substrate with the solution to deposit the nanoparticle film onto the contacted portion of the substrate. Disclosed herein too is a method for detecting an analyte comprising dispersing nanoparticles in a first liquid; adding a second liquid to the first liquid to form a nanoparticle film on top of a solution comprising the first liquid, the second liquid and the nanoparticles, wherein the second liquid has a dielectric constant that is different from a dielectric constant of the first liquid; contacting a substrate with the solution to deposit the nanoparticle film onto the substrate; disposing upon the nanoparticle film an analyte; and performing surface enhanced Raman spectroscopy to determine the identity of the analyte.
    • 本文公开了一种制备纳米颗粒膜的方法,包括将纳米颗粒分散在第一液体中; 向第一液体添加第二液体以在包含第一液体,第二液体和纳米颗粒的溶液的顶部上形成纳米颗粒膜,其中第二液体具有不同于第一液体的介电常数的介电常数; 以及使基底与溶液接触以将纳米颗粒膜沉积在基底的接触部分上。 本文还公开了一种用于检测分析物的方法,包括将纳米颗粒分散在第一液体中; 向第一液体添加第二液体以在包含第一液体,第二液体和纳米颗粒的溶液的顶部上形成纳米颗粒膜,其中第二液体具有不同于第一液体的介电常数的介电常数; 使基底与溶液接触以将纳米颗粒膜沉积到基底上; 在纳米颗粒膜上放置分析物; 并进行表面增强拉曼光谱以确定分析物的身份。