Influenza B Strain B/Hong Kong 5/72 Antigen Cat. No.: 11-576

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psi-iconSpecifications
SPECIES:Influenza B
SOURCE SPECIES:MDCK Cells
TESTED APPLICATIONS:EIA
APPLICATIONS:This preparation may be used as is in a variety of immunoassay formats or may be further purified to meet the needs of a particular assay format. May be used for both IgG and IgM detection in assays which include EIA with polystyrene and latex solid phases. Each laboratory should determine an optimum working titer for use in its particular application. Other applications have not been tested but use in such assays should not necessarily be excluded.
psi-iconProperties
PURITY:Clarified and concentrated cell culture supernatant
PHYSICAL STATE:Liquid
BUFFER:EMEM
CONCENTRATION:1.2 mg/mL (Dye Binding Assay), HA Titer: 20480 HA Units/mL (Hemagglutination Endpoint Assay)
STORAGE CONDITIONS:Store at -70˚C to -100˚C. Avoid multiple freeze/thaw cycles. NOTE: Freezing a buffered protein solution such as EMEM may selectively crystallize one buffering, species, causing pH changes. EMEM (pH 7) is red in color (due to phenol red) at room temperature., Disodium Phosphate component crystallizes more readily than Monosodium Phosphate on freezing because, the solubility of the disodium form is considerably lower than that of the monosodium form. Because of this, a solution that is buffered by sodium phosphate buffer at pH 7 at room temperature (and is red in color) may, experience a pH drop during freezing and become orange or yellow. On thawing the material will be red in, color because disodium salt will be re-solubilized and pH will be 7
psi-iconBackground and References
BACKGROUND:Influenza B (B/Hong Kong 5/72), Influenza B Antigen Strain B/Hong Kong 5/72

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