The Biolipidure-103-Reagent is a synthetic amphoteric polymer that can be substituted for BSA. It has been shown to enhance signals in rapid tests, western blots, and other similar immunochromatographic assays. Applications include: Immunoassays, Western blots, Immunohistochemistry, Turbidimetric assays, Immunochromatography, and Bead based assays. Applications include: Immunoassays, Western blots, Immunohistochemistry, Turbidimetric assays, Immunochromatography, and Bead based assays. Benefits include: No lot to lot variation, No animal derived materials, Non-specific adsorption suppression, Stabilization of immobilized antibody, Stabilization of enzyme-antibody conjugate, Enzyme-substrate reaction enhancement and aggregation reaction enhancement