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Invitrogen
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Phycobiliprotein Concentration: 0.5 mg/mL (determined by absorption = 82.0 at 566 nm for a 1% solution for only those R-PE molecules to which at least one molecule of active streptavidin is bound)
Phycoerythrin Source: Seaweed
Restoration and Storage: The expiration date is six months from date of reconstitution. Store freeze-dried product at 4°C until reconstitution. Restore with 1.0 ml distilled water. Centrifuge product if it is not completely clear after reconstitution. To judge clarity, draw product into a pasteur pipette. Store at 4°C. [Do not freeze]. After further dilution of the reconstituted streptavidin, do not use for more than one day.
Country of origin: USA
Streptavidin is a tetrameric protein purified from Streptomyces avidinii that binds very tightly to the vitamin biotin with a Kd of ~ 10-14 mol/l. The high affinity recognition of biotin and biotinylated molecules has made streptavidin one of the most important components in diagnostics and laboratory kits.
仅用于科研。不用于诊断过程。未经明确授权不得转售。