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单词 fluorometer
释义

Definition of fluorometer in English:

fluorometer

(also fluorimeter)
noun flɔːˈrɒmɪtəflʊəˈrɒmɪtəflô-
  • An instrument for measuring the intensity of fluorescence, used chiefly in biochemical analysis.

    Example sentencesExamples
    • The advantage that fluorescence imaging instruments have over conventional fluorometers is that images of fluorescence parameters can be obtained from whole leaves or large numbers of plants.
    • These instruments also have built-in fluorimeters that detect fluorescence emitted from nucleic probes annealed to target DNA at the conclusion of each PCR cycle.
    • The fluorescence measured by the fluorimeter is the sum of autofluorescence from natural chromophores in the skin and PpIX fluorescence.
    • The lamp intensity of the fluorometer was monitored for each sample.
    • The fumonisin was eluted with pure methanol and measured in a calibrated fluorometer.

Derivatives

  • fluorometric

  • adjective
    • Three fully-expanded, size-matched leaves from about 80 cm tall, greenhouse-grown transgenic plants were used for fluorometric GUS assays.
      Example sentencesExamples
      • All filters were frozen for at least 24 h prior to extraction in methanol and fluorometric determination of chlorophyll concentrations.
      • The three main laboratory methods used to screen newborns for PKU are the Guthrie bacterial inhibition assay, fluorometric analysis and tandem mass spectrometry.
      • It uses an automated fluorometer and a fluorometric assay.
      • A variety of examples will be presented to address the most critical issues in designing a fluorometric assay.
  • fluorometrically

  • adverb
    • Thiobarbituric acid reactive substances were fluorometrically assayed in terms of malonyldialdehyde equivalent as described earlier using tetraethoxypropane for calibration.
      Example sentencesExamples
      • Pepc was assayed fluorometrically in real time under suboptimum conditions of pH and limiting substrate in a 17 nl droplet.
      • For each of the 11 constructs, four to ten transgenic plants were generated, and GUS activity for each plant was determined fluorometrically using the MUG assay.
      • After ultracentrifugation, the free peptide concentration was determined fluorometrically.
      • The balance can be assessed fluorometrically as the redox state of plastoquinone pool and is referred to as excitation pressure.
  • fluorometry

  • noun
    • Fast repetition rate fluorometry is an optical technique for estimating photosynthetic properties of phytoplankton from measurements of variable fluorescence yield.
      Example sentencesExamples
      • Fast repetition rate fluorometry has been used successfully to investigate the variable fluorescence characteristics of cyanobacteria in oceanic Case 1 waters.
      • On coming in contact with lipid membranes, UVB induces the formation of reactive oxygen species, and the latter oxidize DCFH into DCF, which is fluorescent and can therefore be assayed by fluorometry.
      • Photochemical efficiency was studied with fast repetition rate fluorometry and xenon - pulse amplitude modulated fluorometry.
      • One novel approach to detect contaminated platelets involves incubating a sample with a fluorescent-labeled vancomycin probe and then examining it by microvolume fluorometry.
 
 

Definition of fluorometer in US English:

fluorometer

(also fluorimeter)
nounflô-
  • An instrument for measuring the intensity of fluorescence, used chiefly in biochemical analysis.

    Example sentencesExamples
    • These instruments also have built-in fluorimeters that detect fluorescence emitted from nucleic probes annealed to target DNA at the conclusion of each PCR cycle.
    • The lamp intensity of the fluorometer was monitored for each sample.
    • The advantage that fluorescence imaging instruments have over conventional fluorometers is that images of fluorescence parameters can be obtained from whole leaves or large numbers of plants.
    • The fumonisin was eluted with pure methanol and measured in a calibrated fluorometer.
    • The fluorescence measured by the fluorimeter is the sum of autofluorescence from natural chromophores in the skin and PpIX fluorescence.
 
 
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更新时间:2025/1/27 14:13:20