FIG. 1.
Structures of the two types of porphyrins tested. Metal-free TAP is shown on the left. The central metal ion of these porphyrins is coordinated with the nitrogen atoms as is shown for FeTSP on the right.
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.