Fig. 2.
Near-IR spectral transmission measured in vivo for fingernail (1), finger (2), palm (3), wrist (4) and forearm (5).
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.