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    • 3. 发明授权
    • Structures with field responsive permeation control
    • 具有场响应渗透控制的结构
    • US5556528A
    • 1996-09-17
    • US240244
    • 1994-05-10
    • Paul W. BohnWenyuan Lu
    • Paul W. BohnWenyuan Lu
    • A61K9/00A61N1/30G01N27/447G01N27/26
    • A61K9/0009A61N1/30G01N27/4473
    • Devices are useful to capture or dispense target molecules and include an electric field-responsive valve unit. The valve unit includes an active control structure having at least one monomolecular layer and being up to about 10 nm thick. The active control structure is formed by a majority of molecular species with a dipolar moment greater than about 5 Debye, and operable in response to an electric field at a threshold value. A particularly preferred embodiment has the active control structure carried on a microporous membrane with pores in the nanometer range. Applications for inventive embodiments include drug delivery and target molecule capture during electrophoresis separations.
    • 器件可用于捕获或分配靶分子,并包括电场响应阀单元。 阀单元包括具有至少一个单分子层并且高达约10nm厚的主动控制结构。 主动控制结构由大多数具有大于约5德拜的偶极矩的分子物质形成,并且响应于阈值处的电场而可操作。 特别优选的实施方案具有在具有纳米范围内的孔的微孔膜上承载的主动控制结构。 用于发明实施方案的应用包括电泳分离期间的药物递送和靶分子捕获。