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Investigative Techniques > Chemistry Techniques, Analytical > Spectrum Analysis > Spectroscopy, Near-Infrared
Diagnosis > Diagnostic Techniques and Procedures > Diagnostic Imaging > Spectroscopy, Near-Infrared

Preferred term

Spectroscopy, Near-Infrared  

Type

  • Topical Descriptor

Broader concept

Entry terms

  • Near-Infrared Spectrometries
  • Near-Infrared Spectrometry
  • NIR Spectroscopies
  • NIR Spectroscopy
  • Spectrometries, Near-Infrared
  • Spectrometry, Near Infrared
  • Spectrometry, Near-Infrared
  • Spectroscopies, NIR
  • Spectroscopy, NIR

Note

  • usually NIM

Scope note

  • A noninvasive technique that uses the differential absorption properties of hemoglobin and myoglobin to evaluate tissue oxygenation and indirectly can measure regional hemodynamics and blood flow. Near-infrared light (NIR) can propagate through tissues and at particular wavelengths is differentially absorbed by oxygenated vs. deoxygenated forms of hemoglobin and myoglobin. Illumination of intact tissue with NIR allows qualitative assessment of changes in the tissue concentration of these molecules. The analysis is also used to determine body composition.

History note

  • 97

In other languages

URI

http://www.yso.fi/onto/mesh/D019265

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