Sensitive diagnostics are essential tools for curbing the spread of infectious diseases. To rapidly detect the presence of a pathogen or biomarker in a patient sample, scientists incorporate lateral flow immunoassays into diagnostic tests such as COVID rapid tests. Because of their ease of use, lateral flow-based diagnostic tests exist for a variety of diseases, but their use is limited by their sensitivity. To overcome this problem, researchers develop innovative reagents, component materials, and reader technologies to predict disease more accurately.
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