what does fluorescence mean
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Definitions &Translations Fluorescence. Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. It is a form of luminescence. In most cases, the emitted light has a longer wavelength, and therefore lower energy, than the absorbed radiation.
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fluorescence Related to fluorescence: fluorescence microscopy, phosphorescence, Fluorescence quenching, Fluorescence spectroscopy. (flo͝orĕs`əns), luminescenceluminescence, general term applied to all forms of cool light, i.e., light emitted by sources other than a hot, incandescent body, such as a blackbody radiator.
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7 Awesome Tips on Diamond Fluorescence To Make Her Ring Shine Fluorescence refers to how a diamond responds when subjected to ultra-violet light. UV light is what makes your whites look whiter, your teeth bright white, and your black-light posters glow. Some diamonds, when they are exposed to UV light, glow different colors. I’m not going to even try to explain why this is.
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- Diamond fluorescence is visible light produced by the diamond when excited by ultraviolet (UV) light. Different diamonds react different ways to UV light.
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- Definition of FLUORESCENCE. : luminescence that is caused by the absorption of radiation at one wavelength followed by nearly immediate reradiation usually at a different wavelength and that ceases almost at once when the incident radiation stops; also: the radiation emitted — compare phosphorescence. luminescence that is caused by the absorption of radiation at one wavelength followed by nearly immediate reradiation usually at a different wavelength and that ceases almost immediately when the incident radiation stops; also: the radiation emitted.
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- inflorescence noun. › [C] in a ​plant, a ​flower or ​group of ​flowers on the ​stem, or the way they are ​arranged › [U] the ​forming of ​buds and ​flowers on a ​plant. (Definition of inflorescence from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press).nflorescence noun. › [C] in a ​plant, a ​flower or ​group of ​flowers on the ​stem, or the way they are ​arranged › [U] the ​forming of ​buds and ​flowers on a ​plant. (Definition of inflorescence from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press).
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Fluorescence For example, a J color diamond might look like an H or an I color if it had fluorescence. But as long as the diamond is correctly graded as J, then the fluorescence is really like a bonus. The diamond looks higher in color than the price suggests. Two factors should be considered regarding fluorescence. The first is the color of the fluorescence.
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Fluorescence microscope Immunofluorescence is a technique which uses the highly specific binding of an antibody to its antigen in order to label specific proteins or other molecules within the cell. A sample is treated with a primary antibody specific for the molecule of interest.
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Inflorescence Inflorescence is defined as the a cluster or group of flowers arranged on a stem which composes of a main branch or a complicated arrangement of branches.Inflorescence is basically the part of the shoot of flowering plants where the flowers formed are modified accordingly.An inflorescence is defined as the reproductive part of a plant which bears a group of flowers in a specific pattern.nflorescence is basically the part of the shoot of flowering plants where the flowers formed are modified accordingly. An inflorescence is defined as the reproductive part of a plant which bears a group of flowers in a specific pattern.
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What does strong fluorescence in a diamond mean? What Does Fluorescent Mean. Diamond Fluorescence When we speak of Diamond Fluorescence, we are referring to the diamonds tendency to emit a soft colored glow when subjected to ultraviolet light (such as a black light).
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Fluorescent Microscopy To become detectable (visible to the human eye) the fluorescence emitted from the sample is separated from the much brighter excitation light in a second filter. This works because the emitted light is of lower energy and has a longer wavelength than the light that is used for illumination.
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fluorescein Noun. 1. fluorescent dye-a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed).oun. 1. fluorescent dye-a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed).
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Fluorescence microscope Fluorescence microscope. A z-projection of an osteosarcoma cell phalloidin stained to visualise actin filaments. The image was taken on a confocal microscope and the subsequent deconvolution was done using an experimentally derived point spread function.
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Fluorescence Biofluorescent marine organisms. Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. It is a form of luminescence. In most cases, the emitted light has a longer wavelength, and therefore lower energy, than the absorbed radiation.
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Glossary of Terms and Actions Definition of inflorescence - the complete flower head of a plant including stems, stalks, bracts, and flowers. Definition of inflorescence - the complete flower head of a plant including stems, stalks, bracts, and flowers.
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Strong cryptography Strong cryptography - Cryptographically strong algorithms. 1  This term cryptographically strong is often used to describe an encryption algorithm, and implies, in comparison to some other algorithm (which is thus cryptographically weak), greater resistance to attack.
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Phosphorescence Phosphorescence is a type of photoluminescence related to fluorescence. Unlike fluorescence, phosphorescent material does not immediately re-emit the radiation it absorbs. The slower time scales of the re-emission are associated with forbidden energy state transitions in quantum mechanics.
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Absorption / Transmission / Reflection Spectroscopy In other cases, the excitation energy is dissipated by the emission of light in a process called fluorescence. In both cases, the intensity of the light transmitted by a collection of chromophores is less than the intensity of the incident light.
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X-ray fluorescence X-ray fluorescence. X-ray fluorescence (XRF) is the emission of characteristic secondary (or fluorescent) X-rays from a material that has been excited by bombarding with high-energy X-rays or gamma rays.
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fluorescent Glowing as if with fluorescence; vivid: bright fluorescent colors. 3. Of or relating to a light bulb that produces visible light by fluorescence, especially a glass tube whose inner wall is coated with a material that fluoresces when an electrical current causes a vapor within the tube to discharge photons.
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Synthetic element Atoms of synthetic elements only occur on Earth as the product of atomic bombs or experiments that involve nuclear reactors or particle accelerators, via nuclear fusion or neutron absorption.
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Fluorescence If the diamond fluoresces yellow, this is a negative factor because the diamond will look lower in color in ultraviolet light. The second factor is the strength of fluorescence. The range of strengths as reported on laboratory grading reports is None, Faint, Medium, Strong, Very strong.ometimes when a diamond has very strong fluorescence, the diamond will have an “oily” look to it, even in normal lighting conditions. When this happens, a negative value is expected. The range of discounts that might be realized are anywhere from 0% to 15%, but a large discount is rare.
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X-Ray Fluorescence (XRF) An X-ray fluorescence (XRF) spectrometer is an x-ray instrument used for routine, relatively non-destructive chemical analyses of rocks, minerals, sediments and fluids.
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Discovery The wavelength of an X-ray however is one hundredth that of the light rays that you can see, at around 10¯¹ºm. This means that they have a lot more energy. X-ray fluorescence is the emission of X-rays from excited atoms produced by the impact of high-energy electrons, other particles or a primary beam of other X-rays.
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- Medical Definition of FLUORESCENCE. : luminescence that is caused by the absorption of radiation at one wavelength followed by nearly immediate reradiation usually at a different wavelength and that ceases almost immediately when the incident radiation stops; also: the radiation emitted. luminescence that is caused by the absorption of radiation at one wavelength followed by nearly immediate reradiation usually at a different wavelength and that ceases almost immediately when the incident radiation stops; also: the radiation emitted.
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Inflorescence Inflorescence Definition. Inflorescence is defined as the a cluster or group of flowers arranged on a stem which composes of a main branch or a complicated arrangement of branches. Inflorescence is basically the part of the shoot of flowering plants where the flowers formed are modified accordingly.nflorescence Definition. Inflorescence is defined as the a cluster or group of flowers arranged on a stem which composes of a main branch or a complicated arrangement of branches. Inflorescence is basically the part of the shoot of flowering plants where the flowers formed are modified accordingly.