Native human collagen type IV purified from placenta

Source

Human placenta. Negative for HBsAg, HCV, HIV1 and HIV2

Purity

Human collagen type IV 95%. Other human collagens below 5%. Non-collagen proteins below 0.5%

Format

Lyophilized, salt-free.

Purification

Partial pepsin digestion in acidic conditions and differential salt precipitation

Applications

Type IV collagen standard. Antigen for antibody production. Coating material for cell culture studies

Reconstitution

Use 0.5 M acetic acid, pH 2.5

Storage

Shipping at ambient temperature. Storage 2 years at -20°C or lower