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    Patent

    Method and apparatus for AC electrospray
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    Inventor(s):
    Hsueh-Chia Chang, Shau-Chun Paul Wang, Dmitri Lastochkin, Leslie Yeo, Zachary Gagnon
    Patent Number:
    US 8267914 B1
    Description:

    The present invention provides an electrospray device using a high frequency alternating current (AC) above 10 kHz to generate fine micron sized drops. The apparatus generally functions by applying a high frequency alternating current electric field across one or more micro-needles and one or more conducting elements. The present invention may be used to generate aerosol drops for respiratory drug delivery or as a microencapsulation technique for the encapsulation of drugs, DNA, protein, oste…

    Date Issued:
    2012-09-18
    Record Visibility:
    Public
    Title
    Method and apparatus for AC electrospray
    Description
    The present invention provides an electrospray device using a high frequency alternating current (AC) above 10 kHz to generate fine micron sized drops. The apparatus generally functions by applying a high frequency alternating current electric field across one or more micro-needles and one or more conducting elements. The present invention may be used to generate aerosol drops for respiratory drug delivery or as a microencapsulation technique for the encapsulation of drugs, DNA, protein, osteogenic or dermatological growth factors, bacteria, viruses, immobilized enzyme receptors and fluorescent particles for controlled release drug delivery, tissue or bone engineering, clinical or environmental field testing and as biosensors for clinical or drug monitoring. In addition, the present invention may be used to synthesize biodegradable fibers as bioscaffolds for tissue engineering, surgical sutures or medical gauze that enhance blood coagulation, and further may be encapsulated by other agents.
    Creator
    Hsueh-Chia Chang, Shau-Chun Paul Wang, Dmitri Lastochkin, Leslie Yeo, Zachary Gagnon
    Publisher
    United States Patent and Trademark Office
    Language
    eng
    Rights
    http://creativecommons.org/publicdomain/zero/1.0/
    Resource Type
    Patent
1 entry found