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    • 2. 发明申请
    • Method and apparatus for making uniformly sized particles
    • 制造尺寸一致的颗粒的方法和装置
    • US20080171077A1
    • 2008-07-17
    • US11653618
    • 2007-01-12
    • Mark Gray
    • Mark Gray
    • A61K9/127A61K9/133B28B1/54A61K31/7105A61K33/30
    • A61K31/7105A61K33/26A61K49/1818B01F5/0475B01F5/0483B01F13/0059B82Y5/00
    • A method and apparatus for making substantially uniformly sized liposomes and other small particles are provided. Droplets of a first liquid are ejected into a laminar flow of a second liquid, each droplet having a volume of from 0.97V to 1.03V, where V is the mean droplet volume and 1 fL≦V≦50 nL, wherein the first and second liquids are no more than sparingly soluble in one another, and wherein the first liquid contains a solute dissolved, dispersed, or suspended therein; and the first liquid is then removed to form a plurality of substantially uniformly sized particles. In one embodiment, the apparatus includes liquid inlet and outlet channels, a plurality of transverse liquid channels extending from the liquid inlet to the liquid outlet channel, a plurality of nozzles in liquid flow communication with the plurality of transverse liquid channels, one or more nozzle actuators coupled to the plurality of nozzles, and an evaporator coupled to the liquid outlet channel.
    • 提供了制备基本均匀的脂质体和其它小颗粒的方法和装置。 第一液体的液滴喷射到第二液体的层流中,每个液滴的体积为0.97V至1.03V,其中V为平均液滴体积,1fL <= V <= 50nL,其中第一液体 并且第二液体彼此之间不能微溶,并且其中第一液体含有溶解,分散或悬浮在其中的溶质; 然后除去第一液体以形成多个基本均匀的颗粒。 在一个实施例中,该装置包括液体入口和出口通道,从液体入口延伸到液体出口通道的多个横向液体通道,与多个横向液体通道液体流动连通的多个喷嘴,一个或多个喷嘴 耦合到多个喷嘴的致动器和耦合到液体出口通道的蒸发器。