Translator Disclaimer
4 March 2013 Optimization of the photoacoustic conversion of gold nanorods embedded in biopolymeric scaffolds
Author Affiliations +
Gold nanorods exhibit intense optical absorbance in the near-infrared region of principal interest for applications in biomedical optics, which evokes their use to improve contrast in photoacoustic imaging and selective photothermolysis of cancer. However their limited photostability remains a drawback of practical concern. In particular, when GNRs are irradiated with nanosecond laser pulses in resonance with their plasmon oscillations, there may occur phenomena like reshaping into spherical particles, as well as fragmentation at higher optical fluences, which result into dramatic modifications of their optical absorption bands and substantial loss of photoacoustic conversion efficiency. In this contribution we present an experimental investigation of stability and photoacoustic conversion efficiency from gold nanorods embedded in biomimetic scaffolds.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lucia Cavigli, Marella De Angelis, Fulvio Ratto, Paolo Matteini, Francesca Rossi, Sonia Centi, and Roberto Pini "Optimization of the photoacoustic conversion of gold nanorods embedded in biopolymeric scaffolds", Proc. SPIE 8581, Photons Plus Ultrasound: Imaging and Sensing 2013, 85810Z (4 March 2013);

Back to Top