2. Chemiluminescence Abbreviated

3. Light Sticks -- the same reaction provides the energy http://pubs.acs.org/cen/whatstuff/stuff/7703scit4.html

4. Engineering the Light Stick:

5. Energy Profile - Light Stick Dye (Ground State) Ea + H 2 O 2 + 2 CO 2 Dye* (Excited State) Ea Heat of Reaction Is Exothermic (∆H) < 0 Excited State of Dye* Returns to Ground State And Emits Light Photon

6. Energy Profile - Light Stick Dye (Ground State) Ea + H 2 O 2 + 2 CO 2 Dye* (Excited State) Ea Heat of Reaction Is Exothermic (∆H) < 0 Excited State of Dye* Returns to Ground State And Emits Light Photon

7. Light Sticks -- Different dyes are used to get different colors of light http://pubs.acs.org/cen/whatstuff/stuff/7703scit4.html Green Blue

8. Green Fluorescent Dye: 9,10-Bis(phenylethynyl)anthracene http://omlc.ogi.edu/spectra/PhotochemCAD/html/Bis(PhCC)-anthracene.html

9. Blue Fluorescent Dye: 9,10-Diphenylanthracene http://omlc.ogi.edu/spectra/PhotochemCAD/html/diphenyl-anthracene.html

10. Firefly Luciferin http://science.howstuffworks.com/question554.htm

11. Firefly Oxyluciferin http://www.chem.qmul.ac.uk/iubmb/enzyme/reaction/single/113127.html