{HEAD ~ The lateral flow assay} represents {TAIL ~ an improvement} in the ability to accurately and with high fidelity to detect the presence or 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 
{ HEAD ~ The lateral flow assay } represents { TAIL ~ an improvement } in the ability to accurately and with high fidelity to detect the presence or 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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