Figure 1. Principal Component Analysis (PCA) (a) PCA separates AD samples from the other groups.
(b) Loading biplot shows how essential elements and toxic elements contribute in a different way to AD samples clustering.
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.