Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Percent weight loss of collagen samples that were treated with PA for 0 min (control), 10 s, 1 min, 30 min, 60 min, 120 min, 360 min and 720 min, after being digested with 0.1% collagenase solution for 2 h, 6 h, 12 h, 24 h, 36 h, and 48 h. The bars indicate the average of 3 separate samples and the whisker standard deviation.
