Human Type IV Collagen-Solution

The purified protein is supplied as a solution of 0.5 mg collagen in 1 mL of 500 mM acetic acid (C = 0.5 mg/mL). <br>The collagen may be transferred into physiological buffers by dialysis at 2-8 °C. <br>Purified collagen may be stored at 2-8 °C for several months without appreciable loss of activity. For long-term storage, the purified collagen may be aliquoted and stored at -20 °C. Avoid repeated freezing and thawing.