Determination of Poisson Ratio of Bovine Extraocular Muscle by Computed X-Ray Tomography
المؤلفون المشاركون
Kim, Hansang
Shin, Andrew
Demer, Joseph L.
Yoo, Lawrence
المصدر
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-5، 5ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-12-30
دولة النشر
مصر
عدد الصفحات
5
التخصصات الرئيسية
الملخص EN
The Poisson ratio (PR) is a fundamental mechanical parameter that approximates the ratio of relative change in cross sectional area to tensile elongation.
However, the PR of extraocular muscle (EOM) is almost never measured because of experimental constraints.
The problem was overcome by determining changes in EOM dimensions using computed X-ray tomography (CT) at microscopic resolution during tensile elongation to determine transverse strain indicated by the change in cross-section.
Fresh bovine EOM specimens were prepared.
Specimens were clamped in a tensile fixture within a CT scanner (SkyScan, Belgium) with temperature and humidity control and stretched up to 35% of initial length.
Sets of 500–800 contiguous CT images were obtained at 10-micron resolution before and after tensile loading.
Digital 3D models were then built and discretized into 6–8-micron-thick elements.
Changes in longitudinal thickness of each microscopic element were determined to calculate strain.
Green’s theorem was used to calculate areal strain in transverse directions orthogonal to the stretching direction.
The mean PR from discretized 3D models for every microscopic element in 14 EOM specimens averaged 0.457±0.004 (SD).
The measured PR of bovine EOM is thus near the limit of incompressibility.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Kim, Hansang& Yoo, Lawrence& Shin, Andrew& Demer, Joseph L.. 2012. Determination of Poisson Ratio of Bovine Extraocular Muscle by Computed X-Ray Tomography. BioMed Research International،Vol. 2013, no. 2013, pp.1-5.
https://search.emarefa.net/detail/BIM-1030184
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Kim, Hansang…[et al.]. Determination of Poisson Ratio of Bovine Extraocular Muscle by Computed X-Ray Tomography. BioMed Research International No. 2013 (2013), pp.1-5.
https://search.emarefa.net/detail/BIM-1030184
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Kim, Hansang& Yoo, Lawrence& Shin, Andrew& Demer, Joseph L.. Determination of Poisson Ratio of Bovine Extraocular Muscle by Computed X-Ray Tomography. BioMed Research International. 2012. Vol. 2013, no. 2013, pp.1-5.
https://search.emarefa.net/detail/BIM-1030184
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1030184
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر