亚洲国产精品资源综合久久_日韩 欧美 中文 亚洲 高清 在线_国产强伦奸在线观看_一级AV片挤奶水大片_91精品国产自产观看在线_国产黄网免费在线观看_yw尤物av无码点击进入麻豆_老师穿超短包臀裙办公室爆乳_乱伦综合高清无码_日本高清WWW视频

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