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Journal of Biomedical Optics

Photoacoustic tomography of water in phantoms and tissue
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Paper Abstract

Photoacoustic tomography (PAT) has been widely used to image optically absorptive objects in both human and animal tissues. For the first time, we present imaging of water with laser-based PAT. We photoacoustically measure the absorption spectra of water-ethanol mixtures at various water concentrations, and then image water-ethanol and pure-water inclusions in gel and a water inclusion in fat tissue. The significant difference in photoacoustic signals between water and fat tissue indicates that the laser-based PAT has the potential to detect water content in tissue.

Paper Details

Date Published: 1 May 2010
PDF: 6 pages
J. Biomed. Opt. 15(3) 036019 doi: 10.1117/1.3443793
Published in: Journal of Biomedical Optics Volume 15, Issue 3
Show Author Affiliations
Zhun Xu, Washington Univ. in St. Louis (United States)
Changhui Li, Washington Univ. in St. Louis (United States)
Lihong V. Wang, Washington Univ. in St. Louis (United States)


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