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Luminescence

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Luminescence publishes papers on assays and analytical methods, instrumentation, mechanistic and synthetic studies, basic biology and chemistry. Luminescence also publishes details of forthcoming meetings, information on new products, and book reviews. A special feature of the journal is surveys of the recent literature on selected topics in. Luminescence is “cold light” that can be emitted at normal and lower temperatures. In luminescence, some energy source kicks an electron of an atom out of its lowest energy “ground” state into a higher energy “excited” state; then the electron returns the energy in the form of . Luminescence is a process of giving off light without obtaining or generating heat. This can be caused by chemical or biochemical reactions, activity of subatomic particles, radiation or stress on a crystal.

A luminometer is an instrument that measures weak emissions of visible light coming from a sample, by means of a photomultiplier tube. Luminometers are very sensitive devices that are used to measure very small amounts of light, sometimes only a handful of photons. lu·mi·nes·cent (lo͞o′mə-nĕs′ənt) adj. Capable of, suitable for, or exhibiting luminescence. [Latin lūmen, lūmin-, light; see lumen + -escent.] ThesaurusAntonymsRelated WordsSynonymsLegend: Switch to new thesaurus Adj. 1. luminescent - emitting light not caused by heat light - characterized by or emitting light; "a room that is light when. Electrochemiluminescence (ECL) sensors are a combination of electrochemistry and measurement of visual luminescence. When a potential is applied onto an electrode, the electrode surface is excited. So an electron transfer is produced between molecules, and the resulting emitted light is measured. the luminescence of the watch we could see inside the cave even without a flashlight because of the luminescence coming from some of the fungus on the walls Recent Examples on the Web But across some sections, sunlight reflects with a slightly greenish luminescence. The excitation energy is transferred to the electrons responsible for luminescence, which jump from their ground-state energy level to a level of higher energy. The energy levels that electrons can assume are specified by quantum mechanical laws. Dermatologist-developed, the Luminesce® skin care line reduces the appearance of fine lines and wrinkles and restores youthful vitality and radiance to your skin. Featuring Jeunesse-exclusive APT™, these hydrating products use advanced polypeptide technology to help you maintain younger, smoother and softer-looking skin.


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8 thoughts on “ Luminescence ”

  1. Luminescence, emission of light by certain materials when they are relatively cool. It is in contrast to light emitted from incandescent bodies, such as burning wood or .
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  2. The Luminescence™ Professional LED Light Therapy Mask is one of the most effective & latest breakthroughs in skin care, treating a wide variety of skin ailments. There are seven different color LEDs built into the mask, each color treating different skin conditions from wrinkles, acne, pigmentation, and .
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  3. Luminescence intensity of these fibers is the highest compared to other samples; the color of the glow is reddish-pink. Fluorescein (curve 4) gives luminescence maximums in yellow and blue ranges of spectral regions which stipulate a yellow-green color of the glow. Eosin (curve 5) gives fibers a dim pinky-orange color of glow in UV rays.
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  4. At Luminescence we have a commitment to providing the most advanced techniques and equipment while holding ourselves to the highest expectations when it comes to education, safety and appropriate use of each technology. We understand that every patient has unique challenges, unique goals, and wants different outcomes.
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  5. The word luminescence is composed by “lumin” (Latin for light) and the suffix “-escence” (used for processes or changes). Luminescence is hence a process in which light is released. Per definition, luminescent light stems from cold sources and is differentiated from light emission from heated sources such as hot iron or a burning candle.
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  6. Apr 27,  · What is luminescence? Luminous simply means giving off light; most things in our world produce light because they have energy that originally came from the Sun, which is the biggest, most luminous thing we can see. Strictly speaking, although the Moon appears to give off light, it's not actually luminous because it's simply reflecting light from the Sun like a giant mirror made of rock.
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  7. Luminescense is the best place to buy luxury lighting, chandeliers, wall lights and lamps. The brands #1 of lighting in the world.
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  8. Luminescence definition, the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. See more.
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