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单词 spectrophotometer
释义

Definition of spectrophotometer in English:

spectrophotometer

noun ˌspɛktrə(ʊ)fəʊˈtɒmɪtəˌspɛktroʊfəˈtɑmədər
  • An apparatus for measuring the intensity of light in a part of the spectrum, especially as transmitted or emitted by particular substances.

    Example sentencesExamples
    • Prior to the recent introduction of portable reflectance spectrophotometers, there were few other options for measuring color differences.
    • The absorbance of the product dye at 540 nm was measured using a flow-through spectrophotometer.
    • These subcommittees will be scrutinizing various color management technologies, such as spectrophotometers and monitors, and exploring different color output profiling standards.
    • A detector ideal for comparison with spectrophotometers should exhibit intensity readings dependent on the cosine of the incident angle.
    • Meanwhile, hardware needs include monitors, scanners, printers, spectrophotometers and digital cameras.

Derivatives

  • spectrophotometric

  • adjectiveˌspɛktrə(ʊ)fəʊtəˈmɛtrɪk
    • This procedure has allowed us to achieve sensitivity levels near those attained by bioluminescent methods in spectrophotometric assays.
      Example sentencesExamples
      • Fluorimetric and spectrophotometric analysis in pure phosphate buffered saline and solvent mixtures has been used throughout the study.
      • The content of RNA in the solution was determined by ultraviolet spectrophotometric analysis.
      • Superoxide anion was estimated by spectrophotometric measurement of the reduction of nitro blue tetrazolium.
      • The supernatant was taken for spectrophotometric measurements.
  • spectrophotometrically

  • adverb
    • The DNA was then dissolved in distilled water and quantified spectrophotometrically.
      Example sentencesExamples
      • The neat DNA was read spectrophotometrically at 260 nm for the quantitation of the virus.
      • After boiling, the mixtures were cooled and the phenolic concentrations were measured spectrophotometrically at the wavelength of 700 nm using catechin as the standard.
      • Each dilution was kept for amplification and the amount of DNA present in each dilution was estimated spectrophotometrically.
      • RNA concentration was determined spectrophotometrically and verified by ethidium bromide staining of agarose gel.
  • spectrophotometry

  • noun
    • Samples were analyzed according to a modified indophenol detection method, and concentration was assessed by spectrophotometry.
      Example sentencesExamples
      • The hair samples were washed, weighed, cold digested, and analyzed with atomic absorption spectrophotometry.
      • The amount of arsenic consumed in drinking water by control individuals, and the amount they excreted in urine, were so low as to be undetectable by spectrophotometry.
      • The samples were dissolved in hot hydrofluoric acid and analyzed for lead by atomic absorption spectrophotometry.
      • Nitric oxide and nitrogen dioxide were chemically assayed as nitrite from sorbent tubes by using spectrophotometry.
 
 

Definition of spectrophotometer in US English:

spectrophotometer

nounˌspektrōfəˈtämədərˌspɛktroʊfəˈtɑmədər
  • An apparatus for measuring the intensity of light in a part of the spectrum, especially as transmitted or emitted by particular substances.

    Example sentencesExamples
    • The absorbance of the product dye at 540 nm was measured using a flow-through spectrophotometer.
    • Prior to the recent introduction of portable reflectance spectrophotometers, there were few other options for measuring color differences.
    • Meanwhile, hardware needs include monitors, scanners, printers, spectrophotometers and digital cameras.
    • A detector ideal for comparison with spectrophotometers should exhibit intensity readings dependent on the cosine of the incident angle.
    • These subcommittees will be scrutinizing various color management technologies, such as spectrophotometers and monitors, and exploring different color output profiling standards.
 
 
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更新时间:2025/3/4 4:29:26