Serum, Human IgA Standard

Biologicals / Biologicals-Serum, Plasma-Animal

-20°C

Supplied as a liquid. No preservatives added. Dilute further with PBS, 0.05% Tween, 1% BSA.

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.