product description: Prostate Specific Antigen (PSA), High Purity 
lot number: [lot specific] 
source: Human seminal plasma 
form: Liquid, aseptically filtered 
purity: >96% by SDS-PAGE 
buffer: 0.1M Tris acetate, 20% glycerol, pH 6 ±0.2 
preservative: 0.09% NaN3 
molecular weight: ~29kDa (cluster of bands) 
PSA activity: [lot specific] mg/mL (by ECLIA) 
bioburden: <10 CFU/mL 
manufacture date: [lot specific] 
expiration date: [lot specific] 
storage: -20°C avoiding multiple freeze thaw cycles.
hazard/biohazard: This material contains sodium azide as a preservative; take 
appropriate precaution. There is no known biohazard associated 
with this product. 
Donor material has been tested and found negative for HBsAg, 
anti-HCV and anti-HIV 1&2 by FDA approved methods. 
Donors 
tested negative for viral DNA/RNA for HBV, HIV 1 and HCV by 
PCR. However, this material should still be handled with caution
as potentially hazardous