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Ultrasound attenuation spectra and r...

Hurst, Katherine Lee.

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Ultrasound attenuation spectra and ratio intensity data in test objects modeling cortical bone: A new technique for early detection of osteoporosis.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Ultrasound attenuation spectra and ratio intensity data in test objects modeling cortical bone: A new technique for early detection of osteoporosis./
Author:	Hurst, Katherine Lee.
Description:	44 p.
Notes:	Source: Masters Abstracts International, Volume: 41-06, page: 1684.
Contained By:	Masters Abstracts International41-06.
Subject:	Biophysics, Medical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1414334
ISBN:	0496191238

Ultrasound attenuation spectra and ratio intensity data in test objects modeling cortical bone: A new technique for early detection of osteoporosis.
Hurst, Katherine Lee.

Ultrasound attenuation spectra and ratio intensity data in test objects modeling cortical bone: A new technique for early detection of osteoporosis. - 44 p.

Source: Masters Abstracts International, Volume: 41-06, page: 1684.

Thesis (M.S.)--California State University, Dominguez Hills, 2003.

Current QUS methods to detect BMD focus on cancellous bone whose varying compositions of red and yellow marrow makes readings inaccurate A new QUS technique focuses on the diaphysis of cortical bone and uses the yellow marrow as an impedance mismatch. Test objects of known density were used to emulate cortical bone.

ISBN: 0496191238Subjects--Topical Terms:

1017681
Biophysics, Medical.

Ultrasound attenuation spectra and ratio intensity data in test objects modeling cortical bone: A new technique for early detection of osteoporosis.
LDR:01845nmm 2200301 4500 001 1837213
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020 $a 0496191238
035 $a (UnM)AAI1414334
035 $a AAI1414334
040 $a UnM $c UnM
100 1 $a Hurst, Katherine Lee. $3 1925670
245 1 0 $a Ultrasound attenuation spectra and ratio intensity data in test objects modeling cortical bone: A new technique for early detection of osteoporosis.
300 $a 44 p.
500 $a Source: Masters Abstracts International, Volume: 41-06, page: 1684.
500 $a Adviser: Ken Ganezer.
502 $a Thesis (M.S.)--California State University, Dominguez Hills, 2003.
520 $a Current QUS methods to detect BMD focus on cancellous bone whose varying compositions of red and yellow marrow makes readings inaccurate A new QUS technique focuses on the diaphysis of cortical bone and uses the yellow marrow as an impedance mismatch. Test objects of known density were used to emulate cortical bone.
520 $a Ultrasound signals captured from the top surface of the test object and the bottom surface of the test object were isolated and studied. The intensity of the signals is calculated, then compared, and a correlation with BMD is expected.
520 $a The intensity of the signals correlated negatively with BMD. As BMD increased, the ratio decreased. The BUA versus BMD was calculated and a negative correlation was seen as well. The 3 Megahertz transducer showed an R2 value of 0.94, which shows a strong negative correlation between BUA and BMD in test objects.
590 $a School code: 0582.
650 4 $a Biophysics, Medical. $3 1017681
650 4 $a Health Sciences, Radiology. $3 1019076
690 $a 0760
690 $a 0574
710 2 0 $a California State University, Dominguez Hills. $3 1017917
773 0 $t Masters Abstracts International $g 41-06.
790 1 0 $a Ganezer, Ken, $e advisor
790 $a 0582
791 $a M.S.
792 $a 2003
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1414334