Multispectral polarimetric sensor for glucose monitoring utilizing a digital closed-loop control system /

5.35mg/dl for the 820nm wavelength. The system was

Bibliographic Details
Main Author: Gorde, Harshal Wasudeo, 1975-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1998.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:5.35mg/dl for the 820nm wavelength. The system was
accurate blood analysis. Conventionally, blood is
also able to extract glucose information to within an
an optically choral sample such as glucose. A multi-
analyzed by withdrawing a sample from the body of the
and 7.61mg/dl for the 820nm wavelength for the
and a fast feedback control system implemented in
and other hormonal or metabolic imbalances, requires
approach to glucose potential in this technique
artifact studies indicated a clear trend of the two
average standard deviation of 24.41mg/dl from a
being researched to determine glucose levels in the
body non-invasively. Polarized light experiences a
change in its plane of rotation that is proportional
concentrations in the blood. The purpose of this dual
conventional methods is the invasive nature of the
could be used to allow for glucose measurements in the
designed and implemented. The potential site for in-
deviation of 9.57mg/d1 for the 67013m wavelength and
discomfort. The polarimetric approach is currently
glucose. Glucose was predicted to within a standard
hyperglycemic ranges of 0-600mg/dl of glucose doped
Labview. Overall, the results are satisfactory and
monitoring, namely, motion artifacts and the presence
of other optically active substances at the test site.
other choral substance used in this study. Motion
overcoming two important problems with in-vivo glucose
predictions in the hypoglycemic range of 0-100mg/dl of
presence of motion artifacts. The novelty of the
sensing.
sensitivity. It predicted glucose to within an average
show considerable being developed as an important
solution of albumin and glucose, albumin being the
standard deviation of 9.88mg/d1 for 670nm wavelength
subject. One of the major disadvantages of
system was its simultaneous dual wavelength approach
tests that raise the risk of patient infection and
The device was tested in-vitro for accuracy and
to the concentration of the sample when passed through
Treatment of many medical disorders, such as diabetes hics.
vivo measurements is the aqueous humor of the eye,
water. Improved results were obtained for glucose
wavelength device is to provide the means for
wavelength, multi-beam polarimetric device has been
wavelengths in tracking each other, which potentially
which shows glucose concentrations proportional to the
Item Description:"Major subject: Biomedical Engineering".
Vita.
Physical Description:xi, 140 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references (leaves ).