Usha Devi, C. ; Sreekumari Bharat Chandran, R. ; Mohan Vasu, R. ; Sood, Ajay K. (2007) Measurement of visco-elastic properties of breast-tissue mimicking materials using diffusing wave spectroscopy Journal of Biomedical Optics, 12 (3). No pp. given. ISSN 1083-3668
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Official URL: http://link.aip.org/link/?JBOPFO/12/034035/1
Related URL: http://dx.doi.org/10.1117/1.2743081
Abstract
Diffusing wave spectroscopy (DWS), without the use of tracer particles, has been used to study the internal dynamics of polyvinyl alcohol (PVA) phantoms, which mimic the properties of normal and malignant breast tissues. From the measured intensity autocorrelations, the mean square displacement (MSD) of phantom meshing is estimated, leading to the storage and loss moduli of the medium covering frequencies up to 10 KHz. These are verified with independent measurements from a dynamic mechanical analyzer (DMA) at low frequencies. We thus prove the usefulness of DWS to extract visco-elastic properties of the phantom and its possible application in detecting malignancy in soft tissues.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The International Society for Optical Engineering. |
| Keywords: | Mammography; Biomechanics; Biomedical Optical Imaging; Phantoms; Viscoelasticity; Biological Organs; Polymers; Tumours; Cancer; Diffusing Wave Spectroscopy; Breast Tissue; Visco-elastic Modulus; PVA Phantom |
| ID Code: | 79886 |
| Deposited On: | 30 Jan 2012 05:03 |
| Last Modified: | 30 Jan 2012 05:03 |
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