Importance

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Abstract

Electrokinetic devices and methods are described with the purpose of collecting assayable agents from a dielectric fluid medium. Electrokinetic flow may be induced by the use of plasma generation at high voltage electrodes and consequent transport of charged particles in an electric voltage gradient. In one embodiment, an ionic propulsion device for providing a sample for a bio-specific assay of aerosol particles comprises a housing receiving a sample of aerosol particles and enclosing a high voltage electrode to generate a plasma of electrically charged particles. A carrier assembly is removably receivable in the housing, the carrier assembly comprising a non-conductive carrier and an electrode removably secured to the carrier. Incident to the carrier assembly being received in the housing, the electrode is subject to a voltage so that flow of charged aerosol particles generates a net air flow through the housing and said charged aerosol particles are deposited on the electrode, and said electrode can be removed from said carrier and placed in an extraction vessel for a bio-specific assay.

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First Claim