IgM, Rabbit

May be stored at 4 °C for short-term only. For long-term storage and to avoid repeated freezing and thawing, add sterile glycerol (40-50%), aliquot and store at -20 °C. Aliquots are stable for at least 6 months at -20 °C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

IEP Assay shows a single precipitin arc against anti-rabbit IgM (mu chain specific) and anti-rabbit serum. No reaction was observed against anti-rabbit IgG F(c). Some light chain crossreactivity will occur with anti-rabbit IgG.