We report, for the first time, the use of a water-soluble organometallic compound as a stable, reliable and high-contrast photoacoustic contrast agent. This gives a significantly higher contrast than that achievable with alternatives such as single-walled carbon nanotubes. Image enhancement of the rat cerebral cortex vasculature was observed using in vivo dark-field photoacoustic microscopy.
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http://dx.doi.org/10.1039/c3cc48529c | DOI Listing |
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