Journal
JOURNAL OF BIOMEDICAL OPTICS
Volume 15, Issue 6, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.3514633
Keywords
nanoscale deformation; cortical bone; spectroscopic imaging; transfer matrix method
Funding
- Purdue Research Foundation
- NIH [1R03CA153982]
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Given that bone is an intriguing nanostructured dielectric as a partially disordered complex structure, we apply an elastic light scattering-based approach to image prefailure deformation and damage of bovine cortical bone under mechanical testing. We demonstrate that our imaging method can capture nanoscale deformation in a relatively large area. The unique structure, the high anisotropic property of bone, and the system configuration further allow us to use the transfer matrix method to study possible spectroscopic manifestations of prefailure deformation. Our sensitive yet simple imaging method could potentially be used to detect nanoscale structural and mechanical alterations of hard tissue and biomaterials in a fairly large field of view. (C) 2010 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3514633]
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