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Nanomechanical and nanostructural pr...

Grau Marrero, Nayra.

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Nanomechanical and nanostructural properties of synostosed cranial sutures.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Nanomechanical and nanostructural properties of synostosed cranial sutures./
Author:	Grau Marrero, Nayra.
Description:	61 p.
Notes:	Source: Masters Abstracts International, Volume: 42-05, page: 1645.
Contained By:	Masters Abstracts International42-05.
Subject:	Biophysics, Medical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1418616
ISBN:	0496233895

Nanomechanical and nanostructural properties of synostosed cranial sutures.
Grau Marrero, Nayra.

Nanomechanical and nanostructural properties of synostosed cranial sutures. - 61 p.

Source: Masters Abstracts International, Volume: 42-05, page: 1645.

Thesis (M.S.)--University of Illinois at Chicago, 2004.

Craniosynostosis is the premature closure of one or more cranial sutures. Suture closure or synostosis of pathological sutures has rarely been studied. Recent advances in nanotechnology allow determining the properties of cranial sutures at a nanoscale level. A total of ten synostosed sutures, five sagittal and five metopic were scanned in both the endocranial and ectocranial surfaces with the use of an Atomic Force Microscope. The nanomechanical properties or Young's modulus (E) and the nanostructural properties or Surface Roughness (Ra) were obtained and analyzed statistically using Two-way analysis of variance. The topographic images indicated robust variations in sutural surface with randomly localized peaks and valleys. Analysis of surface roughness within 5 x 5 micron scan sizes revealed that the metopic suture had a significantly greater Ra (223.6 +/- 93.3 nm) than the sagittal suture (142.9 +/- 90.3 nm) (p < 0.01). There were also statistically significant (p < 0.01) differences in the Young's modulus. The E of the sagittal suture at 0.7 +/- 0.2 Mpa was significantly higher than the metopic suture at 0.5 +/- 0.1 Mpa respectively. The present findings indicate substantial variations in both the nanomechanical and nanostructural properties between sagittal and metopic sutures, suggesting different mechanisms in suture fusion or synostosis.

ISBN: 0496233895Subjects--Topical Terms:

1017681
Biophysics, Medical.

Nanomechanical and nanostructural properties of synostosed cranial sutures.
LDR:02233nmm 2200277 4500 001 1840875
005 20050822101749.5
008 130614s2004 eng d
020 $a 0496233895
035 $a (UnM)AAI1418616
035 $a AAI1418616
040 $a UnM $c UnM
100 1 $a Grau Marrero, Nayra. $3 1929191
245 1 0 $a Nanomechanical and nanostructural properties of synostosed cranial sutures.
300 $a 61 p.
500 $a Source: Masters Abstracts International, Volume: 42-05, page: 1645.
500 $a Adviser: Jeremy Mao.
502 $a Thesis (M.S.)--University of Illinois at Chicago, 2004.
520 $a Craniosynostosis is the premature closure of one or more cranial sutures. Suture closure or synostosis of pathological sutures has rarely been studied. Recent advances in nanotechnology allow determining the properties of cranial sutures at a nanoscale level. A total of ten synostosed sutures, five sagittal and five metopic were scanned in both the endocranial and ectocranial surfaces with the use of an Atomic Force Microscope. The nanomechanical properties or Young's modulus (E) and the nanostructural properties or Surface Roughness (Ra) were obtained and analyzed statistically using Two-way analysis of variance. The topographic images indicated robust variations in sutural surface with randomly localized peaks and valleys. Analysis of surface roughness within 5 x 5 micron scan sizes revealed that the metopic suture had a significantly greater Ra (223.6 +/- 93.3 nm) than the sagittal suture (142.9 +/- 90.3 nm) (p < 0.01). There were also statistically significant (p < 0.01) differences in the Young's modulus. The E of the sagittal suture at 0.7 +/- 0.2 Mpa was significantly higher than the metopic suture at 0.5 +/- 0.1 Mpa respectively. The present findings indicate substantial variations in both the nanomechanical and nanostructural properties between sagittal and metopic sutures, suggesting different mechanisms in suture fusion or synostosis.
590 $a School code: 0799.
650 4 $a Biophysics, Medical. $3 1017681
650 4 $a Health Sciences, Dentistry. $3 1019378
690 $a 0760
690 $a 0567
710 2 0 $a University of Illinois at Chicago. $3 1020478
773 0 $t Masters Abstracts International $g 42-05.
790 1 0 $a Mao, Jeremy, $e advisor
790 $a 0799
791 $a M.S.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1418616