The Resource Characterizing optical properties in fibrous tissues

Characterizing optical properties in fibrous tissues

Label
Characterizing optical properties in fibrous tissues
Title
Characterizing optical properties in fibrous tissues
Creator
Author
Subject
Language
eng
Summary
Optical methods are promising for non-invasive tissue characterization. Biological tissuescan be classified into isotropic tissues and anisotropic tissues. The optical properties of isotropic tissues such as adipose tissue are independent of measurement direction. However, optical properties of anisotropic tissues such as tendon are different along different measurement directions. We used Monte Carlo simulation to study light propagation in fibrous tissues such as tendon and cartilage. Fibrous tissues were modeled as a mixture of aligned cylinders and randomly distributed background spherical particles. Both spatial- and time-resolved reflectance measurements were simulated and compared with predictions from anisotropic diffuse theory. Optical scattering and absorption properties of fibrous tissue can be measured by numerically fitting the analytical diffuse solution to time-resolved reflectance. The results indicated that bothisotropic and anisotropic diffuse theory can be applied to derive the background opticalproperties of fibrous tissue. The scattering properties of the fibrous component can also be also determined if the fiber size is known. Experimental studies were also conducted to study time-resolved reflectance in fibrous tissue by using a fiber optics based low-coherence Mach-Zehnder interferometer. The experimental system was validated in tissue phantoms. In tendon samples, the measured time-resolved reflectance was different at different measurement angles, which wassatisfactorily explained by using the anisotropic diffuse theory. Both optical absorption and scattering properties can be derived by fitting the time-resolved isotropic diffusion solution to experimental measurements
Cataloging source
MUU
http://library.link/vocab/creatorName
Shuaib, Ali
Degree
Ph. D.
Dissertation note
Thesis
Dissertation year
2011.
Government publication
government publication of a state province territory dependency etc
Granting institution
University of Missouri--Columbia,
Index
no index present
Literary form
non fiction
Nature of contents
dictionaries
Label
Characterizing optical properties in fibrous tissues
Instantiates
Publication
Contributor
Thesis advisor
Note
Advisor: Gang Yao, Ph. D
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
txt
Content type MARC source
rdacontent.
Control code
872561221
Extent
1 online resource (xii, 119 pages)
Form of item
online
Media category
computer
Media MARC source
rdamedia.
Media type code
c
Specific material designation
remote
System control number
(OCoLC)872561221
Label
Characterizing optical properties in fibrous tissues
Publication
Contributor
Thesis advisor
Note
Advisor: Gang Yao, Ph. D
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
txt
Content type MARC source
rdacontent.
Control code
872561221
Extent
1 online resource (xii, 119 pages)
Form of item
online
Media category
computer
Media MARC source
rdamedia.
Media type code
c
Specific material designation
remote
System control number
(OCoLC)872561221

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