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fluorescence

fluorescence

fluorescence Sentence Examples

  • Fluorescence and Constitution.-The physical investigation of the phenomenon named fluorescence-the property of transforming incident light into light of different refrangibilityis treated in the article Fluorescence.

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  • It is remarkable for its fluorescence, which in the opinion of some authorities adds to its beauty.

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  • The other alkaloids are distinguished from quinine thus: quinidine resembles quinine, but is dextro-rotatory, and the iodide is very insoluble in water; the solution of cinchonidine, which is laevo-rotatory, does not give the thalleoquin test, nor fluorescence; cinchonine resembles cinchonidine in these respects, but is dextrorotatory.

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  • The other alkaloids are distinguished from quinine thus: quinidine resembles quinine, but is dextro-rotatory, and the iodide is very insoluble in water; the solution of cinchonidine, which is laevo-rotatory, does not give the thalleoquin test, nor fluorescence; cinchonine resembles cinchonidine in these respects, but is dextrorotatory.

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  • The fluorescence is visible in an acid solution containing I part in 200,000 of water.

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  • Chemie, 24, p. 468) submitted the view that fluorescence was due to the presence of certain " fluorophore " groups; such groupings are the pyrone ring and its congeners, the central rings in anthracene and acridine derivatives, and the paradiazine ring in safranines.

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  • Acridine crystallizes in needles which melt at 110° C. It is characterized by its irritating action on the skin, and by the blue fluorescence shown by solutions of its salts.

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  • Fluorescence and Phosphorescence.

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  • showed that the vibrating system of the fluorescent light seems identical with that observed by absorption in the fluted band spectrum, Wood excited the fluorescence by homogeneous radiation and discovered some remarkable facts.

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  • showed that the vibrating system of the fluorescent light seems identical with that observed by absorption in the fluted band spectrum, Wood excited the fluorescence by homogeneous radiation and discovered some remarkable facts.

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  • When freshly prepared it dissolves in cold water to form an indigocoloured solution with a brownish fluorescence of colloidal aurous oxide; it is insoluble in hot water.

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  • This oscillation may be represented in the case of acridine and fluorescein as This theory brings the property of fluorescence into relation with that of colour; the forms which cause fluorescence being the coloured modifications: ortho-quinonoid in the case of acridine, paraquinonoid in the case of fluorescein.

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  • He concluded that the gases are due to the decomposition of an organic colouring matter, which has, however, no connexion with the fluorescence or thermo-luminescence of the mineral.

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  • He concluded that the gases are due to the decomposition of an organic colouring matter, which has, however, no connexion with the fluorescence or thermo-luminescence of the mineral.

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  • Although the theories of Meyer and Hewitt do not explain (in their present form) the behaviour of anthranilic acid, yet Hewitt has shown that his theory goes far to explain the fluorescence of substances in which a double symmetrical tautomerism is possible.

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  • It crystallizes in colourless plates, possessing a violet fluorescence, melting at 112-113° and boiling at 293-295° C. By oxidation with chromic acid in glacial acetic acid solution, it is converted into diphenylene ketone (C8H4)2 CO; whilst on heating with hydriodic acid and phosphorus to 250-260° C. it gives a hydro derivative of composition C13H22.

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  • It is not possible here to enter into a detailed description of the phenomena of fluorescence (q.v.), though their importance from a spectroscopic point of view has been materially increased through the recent researches of Wood s on the fluorescence of sodium vapour.

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  • This theory explains the fluorescence of anthranilic acid (o-aminobenzoic acid), by regarding the aniline residue as the luminophore, and the carboxyl group as the fluorogen, since, apparently, the introduction of the latter into the non-fluorescent aniline molecule involves the production of a fluorescent substance.

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  • On heating it melts at 95.6° (Bunsen) to a liquid resembling mercury, and boils at 877.5° (Ruff and Johannsen, Ber., 1905, 38, p. 3601), yielding a vapour, colourless in thin layers but a peculiar purple, with a greenish fluorescence, when viewed through thick layers.

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  • Its solution in concentrated sulphuric acid is of a yellow colour and shows a marked blue fluorescence.

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  • The first group, named the " luminophore," is such that when excited by suitable aetherial vibrations emits radiant energy; the other, named the " fluorogen," acts with the luminophore in some way or other to cause the fluorescence.

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  • It crystallizes in colourless plates or needles, which melt at 99° C. Its solutions in alcohol and ether have a faint blue fluorescence.

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  • Chrysaniline (diamino-phenylacridinei) forms red-coloured salts, which dye silk and wool a fine yellow; and the solutions of the salts are characterized by their fine yellowish-green fluorescence.

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  • COC 6 H 6 CH Anthracene crystallizes in colourless monoclinic tables which show a fine blue fluorescence.

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  • Their alcoholic solution shows a yellow-red fluorescence.

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  • It crystallizes in large colourless plates which possess a blue fluorescence.

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  • The 'alkaline solutions are of a rose-red colour and show a cinnabar-red fluorescence.

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  • Tyndall's experiments, however, were carried out on quite different lines, and have nothing to do with fluorescence.

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  • The high level of fluorescence of fluorite from this classic area, adds an extra cachet other locations do not have.

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  • chlorophyll fluorescence.

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  • Our nets incorporate fluorescent chromophores, and can be visualized by fluorescence microscopy.

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  • Capabilities extend to all modes of CE and to sensitive UV, MS or fluorescence detection.

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  • A number of techniques are used including patch clamp electrophysiology, video and fluorescence imaging.

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  • The example here shows 3-D images of vasculature in vivo, obtained using two-photon fluorescence excitation.

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  • Using fluorescence excitation, sensitivities down to the single molecule detection limit can be achieved.

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  • By using a laser which excites the OH and induces fluorescence, he is able to measure the concentrations of the molecule.

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  • When injected as synthetic mRNA, its protein emits intense fluorescence in living embryos.

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  • Ferry Box monitors phytoplankton levels by measuring chlorophyll fluorescence.

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  • Our main focus of interest is in understanding the assembly and activation of membrane-bound proteins using single-molecule fluorescence.

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  • The example here shows 3-D images of vasculature in vivo, obtained using two-photon fluorescence excitation.

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  • X-ray fluorescence will be used to identify the metal rivets on one of the sheaths.

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  • The wedding cake of luminescence fluorescence to replace them phenomena with familiar concepts.

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  • To ensure that the composition of the alloy is correct, samples of the molten metal are routinely checked by X-ray fluorescence spectrometry.

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  • The proportion of bound and free labeled peptides was determined using free-zone capillary electrophoresis and laser-induced fluorescence.

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  • Fully automated neonatal screening utilizing time-resolved fluorescence is currently being developed.

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  • The protein folding dynamics after mixing are measured by intrinsic tryptophan fluorescence excited by a UV lamp.

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  • fluorescence microscopy have been central to this research.

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  • fluorescence spectra is not achieved in the true Raman spectra developed by other types of ceramic.

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  • fluorescence spectroscopy is available.

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  • fluorescence anisotropy.

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  • fluorescence spectrometry.

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  • fluorescence microscopes.

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  • fluorescence in situ hybridization (FISH ).

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  • fluorescence in situ hybridisation (FISH) technology, which gives a rapid result.

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  • Initially responsible for the whole range of products, the view for this role is to specialize in the fluorescence imaging based systems.

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  • RESULTS: Malignant fluorescence positive lesions showed significantly stronger fluorescence intensity than fluorescing lesions with benign histology.

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  • interphase fluorescence in situ hybridization (FISH ).

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  • The fluorescence lifetime of the injected in vivo chromophore strongly depends on the content of water in different areas.

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  • luminescence fluorescence to replace them phenomena with familiar concepts.

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  • Fluorescence spectroscopy in the gas phase and solid state luminescence.

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  • Cameras has changed of luminescence fluorescence informed cambridge mathematical.

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  • fluorescence measurements performed on the tissue specimens ex vivo showed the predominant accumulation of porphyrins in the synovium of the inflamed joints.

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  • The tutorial initializes with a cut-away schematic diagram of a reflected light fluorescence microscope appearing in the window.

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  • Advances in fluorescence microscopy have been central to this research.

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  • molecules by single molecule fluorescence spectroscopy.

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  • nanosecond time scale using fluorescence spectroscopy.

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  • The animation allows the user to select from a number of fluorescence photomicrographs and vary the amount of astigmatism in the optical system.

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  • Analysis of transgene integration sites in transgenic pigs by fluorescence in situ hybridization.

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  • The indicators show a large increase of the fluorescence quantum yield upon increasing Ca2+ concentration.

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  • quenching of the fluorescence.

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  • This usually means the measurement of spectral transmittance, spectral reflectance, spectral radiance factor or spectral fluorescence.

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  • We've been using fluorescence resonance energy transfer, or FRET, to do this.

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  • Both laser excitation spectra and dispersed fluorescence spectra can be obtained with this arrangement.

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  • The high signal to noise ratio in alumina fluorescence spectra is not achieved in the true Raman spectra developed by other types of ceramic.

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  • This usually means the measurement of spectral transmittance, spectral reflectance, spectral radiance factor or spectral fluorescence.

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  • An Imaging X-ray fluorescence spectrometer from Near Earth Objects.

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  • An illustrated description of X-ray fluorescence spectroscopy is available.

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  • telluride detectors and X-ray fluorescence.

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  • tryptophan fluorescence excited by a UV lamp.

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  • X-ray fluorescence spectrometry.

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  • It is remarkable for its fluorescence, which in the opinion of some authorities adds to its beauty.

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  • Its solution in concentrated sulphuric acid is of a yellow colour and shows a marked blue fluorescence.

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  • Fluorescence and Constitution.-The physical investigation of the phenomenon named fluorescence-the property of transforming incident light into light of different refrangibilityis treated in the article Fluorescence.

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  • Chemie, 24, p. 468) submitted the view that fluorescence was due to the presence of certain " fluorophore " groups; such groupings are the pyrone ring and its congeners, the central rings in anthracene and acridine derivatives, and the paradiazine ring in safranines.

    0
    0
  • This oscillation may be represented in the case of acridine and fluorescein as This theory brings the property of fluorescence into relation with that of colour; the forms which cause fluorescence being the coloured modifications: ortho-quinonoid in the case of acridine, paraquinonoid in the case of fluorescein.

    0
    0
  • The first group, named the " luminophore," is such that when excited by suitable aetherial vibrations emits radiant energy; the other, named the " fluorogen," acts with the luminophore in some way or other to cause the fluorescence.

    0
    0
  • This theory explains the fluorescence of anthranilic acid (o-aminobenzoic acid), by regarding the aniline residue as the luminophore, and the carboxyl group as the fluorogen, since, apparently, the introduction of the latter into the non-fluorescent aniline molecule involves the production of a fluorescent substance.

    0
    0
  • Although the theories of Meyer and Hewitt do not explain (in their present form) the behaviour of anthranilic acid, yet Hewitt has shown that his theory goes far to explain the fluorescence of substances in which a double symmetrical tautomerism is possible.

    0
    0
  • It crystallizes in colourless plates or needles, which melt at 99° C. Its solutions in alcohol and ether have a faint blue fluorescence.

    0
    0
  • Acridine crystallizes in needles which melt at 110° C. It is characterized by its irritating action on the skin, and by the blue fluorescence shown by solutions of its salts.

    0
    0
  • Chrysaniline (diamino-phenylacridinei) forms red-coloured salts, which dye silk and wool a fine yellow; and the solutions of the salts are characterized by their fine yellowish-green fluorescence.

    0
    0
  • COC 6 H 6 CH Anthracene crystallizes in colourless monoclinic tables which show a fine blue fluorescence.

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    0
  • When freshly prepared it dissolves in cold water to form an indigocoloured solution with a brownish fluorescence of colloidal aurous oxide; it is insoluble in hot water.

    0
    0
  • Their alcoholic solution shows a yellow-red fluorescence.

    0
    0
  • On heating it melts at 95.6° (Bunsen) to a liquid resembling mercury, and boils at 877.5° (Ruff and Johannsen, Ber., 1905, 38, p. 3601), yielding a vapour, colourless in thin layers but a peculiar purple, with a greenish fluorescence, when viewed through thick layers.

    0
    0
  • Fluorescence and Phosphorescence.

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    0
  • It is not possible here to enter into a detailed description of the phenomena of fluorescence (q.v.), though their importance from a spectroscopic point of view has been materially increased through the recent researches of Wood s on the fluorescence of sodium vapour.

    0
    0
  • It crystallizes in large colourless plates which possess a blue fluorescence.

    0
    0
  • It crystallizes in colourless plates, possessing a violet fluorescence, melting at 112-113° and boiling at 293-295° C. By oxidation with chromic acid in glacial acetic acid solution, it is converted into diphenylene ketone (C8H4)2 CO; whilst on heating with hydriodic acid and phosphorus to 250-260° C. it gives a hydro derivative of composition C13H22.

    0
    0
  • The 'alkaline solutions are of a rose-red colour and show a cinnabar-red fluorescence.

    0
    0
  • The fluorescence is visible in an acid solution containing I part in 200,000 of water.

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    0
  • The effect is complicated, in the case of chlorophyll and many other bodies, by selective reflexion and fluorescence.

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  • Tyndall's experiments, however, were carried out on quite different lines, and have nothing to do with fluorescence.

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  • The indicators show a large increase of the fluorescence quantum yield upon increasing Ca2+ concentration.

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  • Putting too many dye molecules close together, however, can lead to the quenching of the fluorescence.

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  • This usually means the measurement of spectral transmittance, spectral reflectance, spectral radiance factor or spectral fluorescence.

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  • We 've been using fluorescence resonance energy transfer, or FRET, to do this.

    0
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  • Both laser excitation spectra and dispersed fluorescence spectra can be obtained with this arrangement.

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  • An Imaging X-ray Fluorescence spectrometer from Near Earth Objects.

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  • It covers radiation detection, cadmium zinc telluride detectors and X-ray fluorescence.

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  • Fluorescence in situ hybridization (FISH)-A technique for diagnosing genetic disorders before birth by analyzing cells obtained by amniocentesis with DNA probes.

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  • The spectrofluorometer detects and measures fluorescence, which indicates the amount of porphyrins and protoporphyrins in the sample.

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  • Fluorescence in-situ hybridization (FISH) is a special technique that detects very small deletions.

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  • Another technique that is used to diagnose the syndrome before birth is called fluorescence in situ hybridization, or FISH.

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  • FISH (fluorescence in-situ hybridization) is a special technique that detects small deletions that cause PWS.

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  • Fluorescence in situ hybridization (FISH)-A technique for diagnosing genetic disorders before birth by analyzing cells obtained by amniocentesis with DNA probes.

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  • GoodGuide testers used an X-ray fluorescence analyzer that detects the presence of any metals on a surface.

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  • The Good Guide tested for the metals using an x-ray fluorescence analyzer, but did not test whether the metals were soluble.

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  • It can be harder for someone to feel attractive with glaring overhead fluorescence.

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