marine phosphorescence

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• marine phosphorescence —       heatless light generated chemically by marine plants and animals. Bioluminescence is exhibited by a wide variety of oceanic organisms, from bacteria to large squids and fish. The light is emitted when a flavin pigment, luciferin, is… …   Universalium

• phosphorescence — [ fɔsfɔresɑ̃s ] n. f. • 1784; de phosphore 1 ♦ Cour. Luminescence du phosphore (⇒ chimioluminescence). 2 ♦ (1861) Phys. Propriété qu ont certains corps d émettre, sous l excitation de radiations (visibles ou non) et sans dégagement sensible de… …   Encyclopédie Universelle

• Noctiluca — A bioluminescent dinoflagellate. Responsible for many instances of marine phosphorescence …   Dictionary of molecular biology

• photochemical reaction — Chemical reaction initiated by absorption of energy in the form of visible (light), ultraviolet, or infrared radiation. Primary photochemical processes occur as an immediate result, and secondary processes may follow. The most important example… …   Universalium

• Phosphorus — This article is about the chemical element. For other uses, see Phosphorus (disambiguation). silicon ← phosphorus → sulfur …   Wikipedia

• bioluminescence — bioluminescent, adj. /buy oh looh meuh nes euhns/, n. the production of light by living organisms. [1915 20; BIO + LUMINESCENCE] * * * Emission of light by an organism or biochemical system (e.g., the glow of bacteria on decaying meat or fish,… …   Universalium

• Fluorescence — Fluorescent minerals emit visible light when exposed to ultraviolet light Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation of a different wavelength.[1] It is a form of luminescence.… …   Wikipedia

• Hope Diamond — French Blue redirects here. For the color, see French blue (color). Hope Diamond Hope Diamond in the Smithsonian Museum of Natural History Weight 45.52[1][2] …   Wikipedia

• Polychaeta — (Polychètes) Divers Polychèt …   Wikipédia en Français

• Bioluminescence — Flying and glowing firefly, a.k.a. Photinus pyralis …   Wikipedia

• Ehrenberg, Christian Gottfried — born April 19, 1795, Delitzsch, Saxony died June 27, 1876, Berlin, Ger. German biologist, explorer, and founder of micropaleontology (the study of fossil microorganisms). He received his M.D. from the University of Berlin. He identified and… …   Universalium