Hepatitis B Surface Antigen, ayw subtype (S. cerevisae), Recombinant (HBsAg)

Saccharomyces cerevisiae, containing plasmid pCGA7.

Purity > 98 % (SDS-PAGE).
Each lot is tested for protein content (Lowry method), lipid content (Total lipid), purity (SDS-PAGE), carbohydrate content (Anthrone method), antigen content (ELISA).

Tested in ELISA with anti-HBsAg antibodies.

Purification is conducted from broken yeast cells by following scheme: clarification, microfiltration,ultrafiltration, adsorption chromatography, ion-exchange chromatography, ultracentrifugation,
sterile filtration.

0.05 M phosphate, 0.2 M NaCl, pH 7.2.

+4 °C (between +2 and +8 °C allowed)

This product is sold for research use only. Standard Laboratory Practices should be followed when handling this material.

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