The effects of different cranial modules on mechanical properties of cranial suture in Lewis rats and same-aged C57BL/6 mice

C. H. Chien, Y. D. Wu, Y. J. Chao, T. Chen, W. F. Chen, Jack C Yu, X. Li

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this study we aimed at investigating size effects on mechanical properties of cranial suture in different animal research models. Lewis rats and C57BL/6 mice were selected as the larger research model and smaller research model, respectively. The objective of this study was to determine the mechanical properties of different cranial modules of cranial sutures in Lewis rats and same-aged C57BL/6 mice. Ten sagittal sutures were harvested from 4-month-old Lewis rats and C57BL/6 mice. The specimens, kept moist, were mounted fresh and distracted until rupture. A load-displacement curve was constructed. The stiffness, Young's modulus, fracture stress and fracture energy were calculated. Moreover, scanning electron microscope (SEM) images and fracture mechanisms are discussed. Cranial modules in Lewis rats and same-aged C57BL/6 mice are also provided. The results show differences between the two groups, with higher values from Lewis rat. Higher mechanical properties occurred mainly on the large type of cranial module in this mammalian system.

Original languageEnglish (US)
Pages (from-to)272-277
Number of pages6
JournalStrain
Volume44
Issue number3
DOIs
StatePublished - Jun 1 2008

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Rats
Mechanical properties
Fracture energy
Loads (forces)
Animals
Electron microscopes
Elastic moduli
Stiffness
Scanning

Keywords

  • C57BL/6 mouse
  • Cranial module
  • Cranial suture
  • Lewis rat
  • Mechanical property

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering

Cite this

The effects of different cranial modules on mechanical properties of cranial suture in Lewis rats and same-aged C57BL/6 mice. / Chien, C. H.; Wu, Y. D.; Chao, Y. J.; Chen, T.; Chen, W. F.; Yu, Jack C; Li, X.

In: Strain, Vol. 44, No. 3, 01.06.2008, p. 272-277.

Research output: Contribution to journalArticle

Chien, C. H. ; Wu, Y. D. ; Chao, Y. J. ; Chen, T. ; Chen, W. F. ; Yu, Jack C ; Li, X. / The effects of different cranial modules on mechanical properties of cranial suture in Lewis rats and same-aged C57BL/6 mice. In: Strain. 2008 ; Vol. 44, No. 3. pp. 272-277.
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