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Abstract

One aspect of the present disclosure relates to a calorimeter for detecting the presence of a target analyte in a fluid sample. The calorimeter can include a substrate, a hermetically-sealed, thermally decoupled central reaction zone associated with the substrate, at least one droplet transport region, and detection electronics. The at least one droplet transport region can be associated with the substrate and configured to merge a reagent droplet with a sample droplet including the fluid sample to form a reaction droplet in the central reaction zone. The detection electronics can be in electrical and/or thermal communication with the central reaction zone and associated with the substrate. The calorimeter can be configured to detect a heat of reaction produced by a reaction event between the target analyte and a capture reagent upon formation of the reaction droplet.

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First Claim