IgA is the most abundant immunoglobulin in body fluids and the second most abundant immunoglobulin in plasma, found at a concentration of 0.4 to 2.2mg/ml. It plays a very important role in the first specific defense against natural infection. Secretory IgA differs from serum IgA in that it contains two additional peptides: the secretory component and the J chain.
Applications:Numerous applications are possible with this product and should be tested by the end user under their own laboratory conditions
Recommended Dilution:Optimal dilutions to be determined by the researcher.
Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 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.
仕様
Size：5mg
Source Antigen：Pooled human colostrum
Grade：Highly Purified
Purity：Purified from human colostrum by salt fractionation, gel filtration, ion exchange chromatography, and immunoabsorption.
Form：Supplied as a lyophilized powder from PBS, pH 7.3. No preservatives added. Reconstitute with 1ml of sterile ddH2O. Avoid vigorous shaking.
