Human seminal fluid.Blood sample from donor was tested and found negative for HBsAg, HIV-1 and HIV-2 antibodies, and HCV.

PSA is a protein produced by both normal and abnormal prostate cells. The PSA level in the blood may be elevated in men who have a benign or a malignant (cancerous) growth in the prostate. PSA is suitable for use as a standard in immunoassay for screening and monitoring of prostatic neoplasia, immunogen for antisera production, and tracer for iodination.

Purity > 98 % (SDS-PAGE).Immunological identity confirmed by reaction with PSA specific monoclonal antibody.

Lyophilized from 5% mannitol, 10 mM Na-acetate, 0.15 M NaCl, pH 5.6.Product is recommended to reconstitute with distilled water.

-20 °C (between -15 and -30 °C allowed)

This product is sold for research use only. Standard Laboratory Practices should be followed when handling this material.