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.
(a) Illustration of the zones of the test strips—top view. (b) Illustration of how the contact paper wraps the filter paper (contact paper in black, filter paper in blue) and the layering of solutions (magenta = GOX, yellow = HRP, and cyan = ABTS)—side view.
