The serum contains assigned values for each of the subclasses of IgA and for total IgA
IgA1: 2mg/ml IgA2: 0.20mg/ml Total IgA: 2.20mg/ml
Human Standard Serum has been tested and found negative for HbsAg and antibodies to HIV (HTLVIII).
Applications
Suitable for use as a calibrator to prepare standard curves in quantitative determinations of the subclasses of human IgA. Other applications have not been tested.
Recommended Dilutions
Optimal dilutions to be determined by the researcher.
Storage and Stability
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months after receipt 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.
Concentration
Not Determined
Form
Supplied as a liquid. No preservatives added. Dilute further with PBS, 0.05% Tween, 1% BSA.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
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