He told me that luciferin is extremely unstable and rapidly decomposes in the presence of oxygen, and also that Professor Newton Harvey of Princeton University had been trying to purify luciferin for the past 20 years but had been unsuccessful.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

This enzyme uses ATP to power a chemical reaction in which a chemical (called luciferin) is oxidized, emitting a photon in the process.    From Wordnik.com.  [Ars Technica] Reference

The light is created when oxygen combines with a substance called luciferin in the presence of the enzyme luciferase, in special cells called photocytes.    From Wordnik.com.  [A Passion for Nature] Reference

It is produced when oxygen, breathed in through the abdominal trachea, combines with a substance called luciferin in the presence of the enzyme luciferase, in special cells called photocytes.    From Wordnik.com.  [The light that draws the flower] Reference

I collected the fire-worm and studied the properties of its luciferin.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

I also performed research on dinoflagellate luciferin and luminous scale worms.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

Even tiny amounts of ATP will cause luciferin to light, as long as oxygen is present.    From Wordnik.com.  [Lightning bug] Reference

It took me ten months of extremely hard work to extract, purify, and crystallize the luciferin.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

From frozen Cypridina, we extracted luciferin and then purified and crystallized the luciferin.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

With that material, Kishi successfully determined the structure of the luciferin the next year.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

While man has never been to Mars, bits of lightning bugs have--luciferin is an extremely sensitive detector of ATP.    From Wordnik.com.  [Lightning bug] Reference

Professor Hirata asked, "Could you purify and crystallize Cypridina luciferin for the purpose of structure determination?".    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

With the crystallization accomplished, my stay in Nagoya was extended one year to study the structure of Cypridina luciferin (Fig. 3).    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

Our first paper on Cypridina luciferin was published in 1957, although the chromophore structure of luciferin remained to be elucidated.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

I also studied the properties of GFP and resolved a controversy regarding the role of a dioxetane intermediate in the luminescence reaction of firefly luciferin.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

The author with close friend and collaborator Toshio Goto (right) in 1956, shortly after crystallizing Cypridina luciferin, behind a counter-current distribution apparatus.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

He explained to me that Cypridina, a small crustacean common in shallow coastal waters of Japan, emits light with an organic compound called luciferin and an enzyme, luciferase.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

A few months later, Professor Hirata asked me to assist his graduate student, Yoshito Kishi (later a professor at Harvard University) to determine the structure of Cypridina luciferin.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

D-luciferin was delivered by an implanted micro-osmotic pump (A).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

YetNoOneCares 1 point 19 minutes ago luciferin 1 point 15 minutes ago luciferin 1 point 15 minutes ago.    From Wordnik.com.  [Original Signal - Transmitting Buzz] Reference

If there are sufficient quantities of luciferin around, the amount of ATP becomes a rate-limiting item.    From Wordnik.com.  [Ars Technica] Reference

They use oxygen that they take it and combine it with their self-made luciferin to make a light that has almost no heat.    From Wordnik.com.  [BlogHer - Life Well Said] Reference

The emitted light arises from the oxidation of the organic substrate luciferin, catalyzed by an enzyme called luciferase.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

For example, in mammalian cells which absorb shorter wavelengths, red-light emitting luciferin-luciferase systems are useful.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

It is generated by an enzyme-catalyzed chemoluminescence reaction, wherein the pigment luciferin is oxidised by the enzyme luciferase.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Scientists have discovered that the light-emitting luciferin molecule in fireflies can produce different colors of light depending on different polarities inside the molecule.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

The mutations of the residues involved in this H-bond network can lead to different polarizations acting on the luciferin and can change the color of the emitted light accordingly.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

Anesthetized mice were placed in the IVIS ™ Imaging System (Xenogen) and imaged from both dorsal and ventral views approximately 5 min after intraperitoneal injection of D-luciferin (Caliper Life Science).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Assessment of subsequent metastasis was monitored Bioluminescence images were acquired with the IVIS imaging system (Xenogen) at 5 min after intraperitoneal injection of D-luciferin to anesthetized animals as described above.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

(luciferase-luciferin) lowers the pH to a suitable level so that the reaction can occur.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

\ "bioluminescence\" is generally reserved for higher intensity luciferin / luciferase systems, while \ "biophoton emission\" refers to the more general phenomena of very low-intensity photon emission from living systems.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

The Hirata lab and Cypridina luciferin.    From Wordnik.com.  [Osamu Shimomura - Autobiography] Reference

They have a lot of luciferin and luciferase.    From Wordnik.com.  [Lightning bug] Reference

20, 40 µM rotenone were measured with a luciferin-luciferase assay kit (ATPlite, Perkin Elmer Life Science).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

8 points 2 hours ago stronglikedan 8 points 2 hours ago secondcity 6 points 54 minutes ago secondcity 6 points 54 minutes ago luciferin 2 points 59 minutes ago luciferin 2 points 59 minutes ago.    From Wordnik.com.  [Original Signal - Transmitting Buzz] Reference