Protein A (from Staphylococcus aureus, Cowan I strain) is conjugated with fluorescein isothiocyanate (FITC) and is purified by molecular sieving to remove the unbound FITC and unconjugated Protein A. The product is in 10 mM phosphate buffered saline, pH 7.4, containing 1% ovalbumin, 40% glycerol, and 0.1% sodium azide as preservative.
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For Research Use Only. Not for use in diagnostic procedures.