One-pot pathogen detection system and method for real-time lateral flow assay

Abstract

The present disclosure provides a LAMP-based, one-pot pathogen detection system and method integrating a high specificity assay for identifying true positive samples in an analyte before a whole course of LAMP reaction completes, in order to shorten the reaction time and reduce the likelihood of false positive results due to non-specific amplification or signal error (e.g., sample has too high pH) in the LAMP reaction. The present invention integrates an immunochromatographic assay such as lateral flow assay (LFA) in result interpretation from colorimetric and/or fluorimetric aspects of the LAMP reaction in order to enable a real-time pathogen detection, thereby improving the efficiency thereof with high specificity. The present detection system employs a single reaction system to enable multiple result interpretation, and the LAMP reaction can be carried out in a simple platform capable of generating constant heat.

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