Photoacoustic tomography of water in phantoms and tissue.
Ontology highlight
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.
SUBMITTER: Xu Z
PROVIDER: S-EPMC2904025 | biostudies-other | 2010 May-Jun
REPOSITORIES: biostudies-other
ACCESS DATA