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In Vivo Near-Infrared Spectroscopy
Annual Review of Biomedical Engineering, 2000▪ Abstract Interrogation of tissue with light offers the potential for noninvasive chemical measurement, and penetration with near-infrared wavelengths (750–1000 nm) is greater than with visible light. Specific absorption by clinically relevant compounds such as oxy- and deoxyhemoglobin and the intracellular respiratory enzyme cytochrome oxidase ...
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Near‐infrared spectroscopy of polymers
Makromolekulare Chemie. Macromolecular Symposia, 1991AbstractAlthough near–infrared (NIR) spectroscopy has been used over many decades for the – primarily quantitative – analysis of polymers containing OH–, NH– and CH–functionalities (e.g. determination of OH–number, water content and residual carbon–carbon double–bonds), it has never been established as a wide–spread analytical and physical tool ...
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Interpretive Spectroscopy for Near Infrared
Applied Spectroscopy Reviews, 1996ABSTRACT Qualitative and quantitative near infrared spectroscopic (NIRS) methods require the application of multivariate calibration algorithms to model NIR spectral response to chemical or physical properties of a calibration sample set. The identification of unique wavelength regions where changes in the response of the near infrared spectrometer are
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Anaesthesia, 1994
The near-infrared portion of the electromagnetic spectrum is located between the visible and mid-range infrared (MIR) sections, roughly 750–2500 nm or 13,333–4000 cm 1 (see Fig. 6.1). It consists (mainly) of overtones and combinations of the bands found in the mid-range infrared region (4000–200 cm ).
I.M. Williams +3 more
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The near-infrared portion of the electromagnetic spectrum is located between the visible and mid-range infrared (MIR) sections, roughly 750–2500 nm or 13,333–4000 cm 1 (see Fig. 6.1). It consists (mainly) of overtones and combinations of the bands found in the mid-range infrared region (4000–200 cm ).
I.M. Williams +3 more
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2017
Nowadays, various newly developed intracoronary imaging techniques have provided unique information on the coronary plaque and are widely used either for clinical decision-making or for research purposes (Table 9.1). However, there is still unmet need for the characterization of atheromatous plaque, especially for in vivo measurement of lipid burden ...
Umberto León-Domínguez +1 more
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Nowadays, various newly developed intracoronary imaging techniques have provided unique information on the coronary plaque and are widely used either for clinical decision-making or for research purposes (Table 9.1). However, there is still unmet need for the characterization of atheromatous plaque, especially for in vivo measurement of lipid burden ...
Umberto León-Domínguez +1 more
+4 more sources
A Role for Near Infrared Spectroscopy in Psychiatry?
1997Present implementations of near infrared spectroscopy permit the detection of signals related to neuronal activity non-invasively through the intact skull (for review see: Chance, 1991). Due to the limited penetration of photons in soft tissue that is in the range of a few centimeters (Chance et al., 1993), the NIRS field of view is restricted to the ...
Hock, C. +6 more
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Journal of Near Infrared Spectroscopy, 1998
Some of the concepts that make a near infrared spectrum understandable are reviewed. The origin of vibrational anharmonicity which determines the occurrence and the spectral properties (frequency, intensity) is discussed. The importance of the effects of the resonances which increase with increasing excitation are mentioned. Some of the characteristics
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Some of the concepts that make a near infrared spectrum understandable are reviewed. The origin of vibrational anharmonicity which determines the occurrence and the spectral properties (frequency, intensity) is discussed. The importance of the effects of the resonances which increase with increasing excitation are mentioned. Some of the characteristics
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2011
Cerebral oximetry uses transcranial near-infrared spectroscopy (NIRS) to evaluate changes in cerebral oxygenation noninvasively and continuously. Its operation relies on two basic principles. First, near-infrared light has the capacity to penetrate human tissue, including bone. Second, in these tissues, hemoglobin is the predominant absorbing substance
Harvey L. Edmonds +2 more
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Cerebral oximetry uses transcranial near-infrared spectroscopy (NIRS) to evaluate changes in cerebral oxygenation noninvasively and continuously. Its operation relies on two basic principles. First, near-infrared light has the capacity to penetrate human tissue, including bone. Second, in these tissues, hemoglobin is the predominant absorbing substance
Harvey L. Edmonds +2 more
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Near infrared oximetry and near infrared spectroscopy
Anaesthesia, 1994H, Owen-Reece +4 more
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Near-Infrared Spectroscopy in Resuscitation
Journal of Trauma: Injury, Infection & Critical Care, 2003Stephen M, Cohn +2 more
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