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.
The infrared spectra of collagen samples (a) and fingerprint area magnification of the infrared spectra of collagen samples (b). The x-axis represents the wave number (W) and the y-axis represents the percentage of transmittance (%T). PSC and BSC are pepsin-soluble collagen and bromelain-soluble collagen, respectively. The fingerprints distinguishing between PSC and BSC are shown in the circled areas.
