Store at +4℃ short term (one month) (Preservative is recommended to avoid contamination). Upon delivery aliquot. Store at -20℃ to -80℃ for twelve months from date of receipt. Avoid repeated freeze-thaw cycles.

Immunogen affinity purified

Antiserum was solid phase adsorbed to ensure class specificity. This antibody was isolated by affinity chromatography using antigen coupled to agarose beads.