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Measurement of tissue optical proper...

Larin, Kirill V.

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Measurement of tissue optical properties with optical coherence tomography: Implication for noninvasive blood glucose concentration monitoring.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Measurement of tissue optical properties with optical coherence tomography: Implication for noninvasive blood glucose concentration monitoring./
作者:	Larin, Kirill V.
面頁冊數:	172 p.
附註:	Source: Dissertation Abstracts International, Volume: 63-10, Section: B, page: 4550.
Contained By:	Dissertation Abstracts International63-10B.
標題:	Biophysics, Medical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3066653
ISBN:	0493860908

Measurement of tissue optical properties with optical coherence tomography: Implication for noninvasive blood glucose concentration monitoring.
Larin, Kirill V.

Measurement of tissue optical properties with optical coherence tomography: Implication for noninvasive blood glucose concentration monitoring. - 172 p.

Source: Dissertation Abstracts International, Volume: 63-10, Section: B, page: 4550.

Thesis (Ph.D.)--The University of Texas Graduate School of Biomedical Sciences at Galveston, 2002.

Approximately 14 million people in the USA and more than 140 million people worldwide suffer from diabetes mellitus. The current glucose sensing technique involves a finger puncture several times a day to obtain a droplet of blood for analysis. There have been enormous efforts by many scientific groups and companies to quantify glucose concentration noninvasively using different optical techniques. However, these techniques face limitations associated with low sensitivity, accuracy, and insufficient specificity of glucose concentrations over a physiological range. Optical coherence tomography (OCT), a new technology, is being applied for noninvasive imaging in tissues with high resolution. OCT utilizes sensitive detection of photons coherently scattered from tissue. The high resolution of this technique allows for exceptionally accurate measurement of tissue scattering from a specific layer of skin compared with other optical techniques and, therefore, may provide noninvasive and continuous monitoring of blood glucose concentration with high accuracy.

ISBN: 0493860908Subjects--Topical Terms:

1017681
Biophysics, Medical.

Measurement of tissue optical properties with optical coherence tomography: Implication for noninvasive blood glucose concentration monitoring.
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245 1 0 $a Measurement of tissue optical properties with optical coherence tomography: Implication for noninvasive blood glucose concentration monitoring.
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500 $a Source: Dissertation Abstracts International, Volume: 63-10, Section: B, page: 4550.
500 $a Supervisor: Rinat O. Esenaliev.
502 $a Thesis (Ph.D.)--The University of Texas Graduate School of Biomedical Sciences at Galveston, 2002.
520 $a Approximately 14 million people in the USA and more than 140 million people worldwide suffer from diabetes mellitus. The current glucose sensing technique involves a finger puncture several times a day to obtain a droplet of blood for analysis. There have been enormous efforts by many scientific groups and companies to quantify glucose concentration noninvasively using different optical techniques. However, these techniques face limitations associated with low sensitivity, accuracy, and insufficient specificity of glucose concentrations over a physiological range. Optical coherence tomography (OCT), a new technology, is being applied for noninvasive imaging in tissues with high resolution. OCT utilizes sensitive detection of photons coherently scattered from tissue. The high resolution of this technique allows for exceptionally accurate measurement of tissue scattering from a specific layer of skin compared with other optical techniques and, therefore, may provide noninvasive and continuous monitoring of blood glucose concentration with high accuracy.
520 $a In this dissertation work I experimentally and theoretically investigate feasibility of noninvasive, real-time, sensitive, and specific monitoring of blood glucose concentration using an OCT-based biosensor. The studies were performed in scattering media with stable optical properties (aqueous suspensions of polystyrene microspheres and milk), animals (New Zealand white rabbits and Yucatan micropigs), and normal subjects (during oral glucose tolerance tests). The results of these studies demonstrated: (1) capability of the OCT technique to detect changes in scattering coefficient with the accuracy of about 1.5%; (2) a sharp and linear decrease of the OCT signal slope in the dermis with the increase of blood glucose concentration; (3) the change in the OCT signal slope measured during bolus glucose injection experiments (characterized by a sharp increase of blood glucose concentration) is higher than that measured in the glucose clamping experiments (characterized by slow, controlled increase of the blood glucose concentration); and (4) the accuracy of glucose concentration monitoring may substantially be improved if optimal dimensions of the probed skin area are used. The results suggest that high-resolution OCT technique has a potential for noninvasive, accurate, and continuous glucose monitoring with high sensitivity.
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791 $a Ph.D.
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