Nanoparticle Nanoparticles are undetectable by the human eye and range in size from 1 to 100 nanometers in diameter. Random Glossary Term Pyrroloquinoline Quinone PQQ was first identified as a cofactor for certain bacterial enzymes in the 1960s, but its importance in mammalian systems... Sign Up For Our Newsletter Weekly insights into the future of longevity Sign Up
Nanoparticle Nanoparticles are undetectable by the human eye and range in size from 1 to 100 nanometers in diameter.