Action Spectrum Online

A revised action spectrum for vitamin D synthesis by ... - PNAS

An is a graphical representation that plots the effectiveness of different wavelengths of light in driving a specific biological or chemical process. While most commonly associated with photosynthesis, the concept applies to any light-dependent reaction, including human skin responses (sunburn) and vitamin D synthesis. 1. Primary Definition action spectrum

While they are related, these two graphs serve distinct purposes: A revised action spectrum for vitamin D synthesis by