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Streptavidin binds to biotin with high affinity. Streptavidin-AKP is useful for detecting biotinylated antibodies, e.g., in ELISA, ELISPOT, IHC or Western blotting. For ELISA applications, AKP will act on soluble substrates, such as pNPP, to yield a colorimetric reaction. For ELISPOT or Western blotting applications, AKP will act on precipitating substrates, such as NBT/BCIP, to yield a colorimetric reaction. |