Biological sample preparation using electric fields
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United States of America
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Feb 18, 2025
Grant Date -
Jun 4, 2020
app pub date -
Nov 26, 2019
filing date -
Nov 26, 2019
priority date (Note) -
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Abstract
Systems and methods use electric fields to separate bioanalytes from a substrate comprising a biological sample. Biological material, especially blood samples, are sometimes dried onto absorbent substrates. By applying an electric field across the substrate, or a portion thereof, bioanalytes from the sample are attracted to a conductor having a positive or negative charge, depending on the charges carried by the bioanalytes. The electric field can be created using two conductors in circuit with a power source, and the substrate may be positioned between the conductors.
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