Activity is determined by the dose-dependant inhibition of Prolactin stimuled proliferation of Nb2 cells and by high affinity binding of ovine Prolactin and other lactogenic hormones in 1:1 molar ratio.
Purity
>97% as determined by SEC-HPLC, SDS-PAGE, and Gel Filtration.
Product Form
Lyophilized
Concentration
0.4mg/ml
Formulation
Lyophilized from a solution containing 4.5 µM Sodium Bicarbonate.
Storage
Shipped at ambient temperature. Lyophilized: Short term (1-2 weeks) store at 25°C. Long term store desiccated below -18°C or preferably at -80°C to prevent dimer formation. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C. For long term storage at 4°C it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid freeze/thaw cycles as they cause oligomerization of the protein.
Disclaimer
This product is for research use only. It is not intended for diagnostic or therapeutic use.
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