Porphyrins are organic molecules that appear in the central region of macromolecules such as chlorophyll and hemoglobin, and have a metal atom at their center that determines their specific function.

Porphyrin compounds take on vibrant shades of color thanks to their π electrons. The network of double bonds—also known as a π-conjugated aromatic system—going around 5,10,15,20-tetraphenylporphyrin ...

A team of researchers from Nanjing University and Nanjing Normal University has designed a new, affordable sensor to detect ...

The GENOMES UNCOUPLED4 (GUN4) protein stimulates chlorophyll biosynthesis by activating Mg-chelatase, the enzyme that commits protoporphyrin IX to chlorophyll biosynthesis. This stimulation depends on ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 57, No. 5 (May 15, 1967), pp. 1463-1467 (5 pages) ...