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Changes in optical properties of tissue during acute wound healing in an animal model
Journal article   Open access   Peer reviewed

Changes in optical properties of tissue during acute wound healing in an animal model

Elisabeth S Papazoglou, Michael S Weingarten, Leonid Zubkov, Michael Neidrauer, Linda Zhu, Som Tyagi and Kambiz Pourrezaei
Journal of Biomedical Optics, v 13(4), pp 044005-0440011
26 Aug 2008
PMID: 19021333
url
https://doi.org/10.1117/1.2960952View
Published, Version of Record (VoR)Maybe Open Access (Publisher Bronze) Open

Abstract

near infrared spectroscopy (NIRS) wounds diffuse photon density wave oxygenated hemoglobin deoxygenated hemoglobin blood saturation
Changes of optical properties of wound tissue in hairless rats were quantified by diffuse photon density wave methodology at near-infrared frequencies. The diffusion equation for semi-infinite media was used to calculate the absorption and scattering coefficients based on measurements of phase and amplitude with a frequency domain device. There was an increase in the absorption and scattering coefficients and a decrease in blood saturation of the wounds compared with the nonwounded sites. The changes correlated with the healing stage of the wound. The data obtained were supported by immunohistochemical analysis of wound tissue. These results verified now by two independent animal studies could suggest a noninvasive method to detect the progress of wound healing.

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Web of Science research areas
Biochemical Research Methods
Optics
Radiology, Nuclear Medicine & Medical Imaging
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