System and method for extracting a target moiety from a sample using acoustic droplet ejection

Abstract

A method and system are provided for extracting a target analyte from a sample using acoustic ejection technology. The method involves applying focused acoustic energy to a fluid reservoir housing a fluid composition that contains a target analyte and comprises an upper region and a lower region, where the concentration of the target analyte in the upper region differs from that in the lower region. The focused acoustic energy is applied in a manner that is effective to result in the ejection of a fluid droplet from from the fluid composition into a droplet receiver, wherein the concentration of the analyte in the droplet corresponds to either the concentration of the analyte in the upper region or the concentration of the analyte in the lower region, and wherein the concentration of the analyte is substantially uniform throughout the droplet. The fluid composition may comprise an ionic liquid, used in the extraction of ionic target analytes. Related methods and an acoustic extraction system are also provided.

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