The lateral flow assay represents 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 {HEAD ~ a reference region} of immobilized, non diffusible analyte that allows for detection of any factors that interfere with the interaction and {TAIL ~ binding} of the analyte to the labeled capture reagent 
The lateral flow assay represents 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 { HEAD ~ a reference region } of immobilized , non diffusible analyte that allows for detection of any factors that interfere with the interaction and { TAIL ~ binding } of the analyte to the labeled capture reagent
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