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  • Inventor(s):
    Hsueh-Chia Chang, Shau-Chun Paul Wang, Dmitri Lastochkin, Leslie Yeo, Zachary Gagnon
    Patent Number:
    US 8267914 B1

    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…

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