The lateral flow assay represents an improvement in the ability to accurately and with {HEAD ~ high fidelity} to detect the presence or {TAIL ~ absence} of a target analyte in a liquid sample, in part, by encompassing a reference region of immobilized, non diffusible analyte that allows for detection of any factors that interfere with the interaction and binding of the analyte to the labeled capture reagent 
The lateral flow assay represents an improvement in the ability to accurately and with { HEAD ~ high fidelity } to detect the presence or { TAIL ~ absence } of a target analyte in a liquid sample , in part , by encompassing a reference region of immobilized , non diffusible analyte that allows for detection of any factors that interfere with the interaction and binding of the analyte to the labeled capture reagent
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