| With transfected cells grown as solid tumors in vivo, the bioluminescence light is emitted shortly after systemic administration of luciferin. |
| The firefly's chemical secret is a combination of air, water, and two diffusible thermostable compounds named luciferin and luciferase. |
| Mixing of droplets caused enzyme reaction, and luciferin luminesced. |
| Instead of having freely available luciferin, they contain molecules called photoproteins which are, in effect, luciferin proteins that already have oxygen bound to them. |
| Nearly all of this light is produced by the oxidization of the molecule luciferin, a reaction catalyzed by the enzyme luciferase. |
| Luc activity was assayed quantitatively with a liquid scintillator using the photon-counting mode after the feeding of luciferin as substrate. |
