Pierce™ Protein Conjugate, Fluorescein, Biotinylated, Thermo Scientific
Supplier: 0000013509
Biotin-Fluorescein is a heterobifunctional reagent containing a biotin moiety and a fluorescein group separated by a long-chain hydrophilic polyethylene glycol (PEG) spacer arm.
Biotin-Fluorescein is used to label biotin binding protein molecules including avidin and streptavidin, which each have four biotin-binding sites. The resulting fluorescent biotin-binding protein can then amplify a signal generated in assays that use avidin-biotin detection systems.
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