Importance

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Abstract

An exemplary active recirculation system and method for aerosol collection are disclosed that employ recirculation via one or more active pumps (e.g., peristaltic pumps) to continuously circulate a collection buffer within an aerosol collection frontend to improve the collection efficiency. In using less fluid volume, the exemplary active recirculation system and method increase the concentration of the target particle. A high concentration of particles may be advantageous when detecting pathogens downstream of collection. The aerosol collection frontend connects to a collection reservoir. During a collection cycle, a pump draws the fluid from the collection reservoir and pumps the collected fluid back into the collection front end at a set flow rate.

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First Claim