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Srirang Manohar, Constantin Ungureanu and Ton G. Van Leeuwen Gold nanorods as molecular contrast agents in photoacoustic imaging: the promises and the caveats Contrast Media & Molecular Imaging 6

Article first published online: 25 OCT 2011 | DOI: 10.1002/cmmi.454

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Gold nanorods (AuNR) exhibit intense absorption peaks for light at longer wavelengths, owing to the excitation of longitudinal plasmons. Light absorption and the subsequent temperature rise causes strong photoacoustic signals to be produced. This feature combined with the relative inertness and favorable surface chemistry of gold, has seen AuNR attracting attention as photoacoustic contrast agents. In this article we provide a short overview of the current status of the use of AuNR in molecular imaging using photoacoustics.

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