Product Description
In normal adult serum, the approximate percentage composition of IgA with respect to is subclasses is IgA1:90% and IgA2:10%. In secretory IgA, the subclass proportions may approach 50:50. Source: Human myeloma plasma Molecular Weight: 160,000 Purity: 95% (SDS-PAGE). No reaction by IEP to IgA1 antiserum. Concentration: ~1mg/ml Form: Supplied as a liquid in PBS, pH 7.4, 0.05% sodium azide. Applications: Suitable for use in ELISA and IEP. Other applications not tested. Recommended Dilution: Optimal working dilutions to be determined by the researcher. Specificity: Single arc by IEP against antisera to whole human serum, human IgA2 and human kappa. No crossreactivity with antisera to human IgA1, IgG, IgD, IgE, IgM and lambda by IEP. Storage and Stability: May be stored at 4C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20C. Aliquots are stable for 6 months after receipt at -20C. 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. Donor Consent: The raw material used in the purification of this product has been obtained from an FDA licensed collection center. Further the donor or the donors next of kin has given by signature full informed consent for the material to be used in commercial scientific research, including the sharing, transferring, or selling of samples to third parties involved in this research. The raw material was obtained in an ethical manner in full compliance with national legislation, and the donor identity is held as confidential information by the licensed collection center.
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