Review Article

Point-of-Care Diagnoses and Assays Based on Lateral Flow Test

Figure 1

General principle of an LFT immunoassay. (a) Sample with an analyte (circle) is added to the pad where a labeled antibody (Y shaped) already exists. (b) Analyte and a labeled antibody are carried by a lateral flow (arrow) and they can mutually interact. (c) Complex of analyte-labeled antibody and the labeled antibody are captured on test spot (analyte) or control spot (unreacted antibody) forming colored lines.
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