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Proceedings Paper

Optically induced microbubbles around gold nanorods: the influence of particle parameters and environment on cavitation threshold
Author(s): Lucia Cavigli; Fulvio Ratto; Marella de Angelis; Sonia Centi; Sarah Lai; Alberto Cini; Claudia Borri; Stefano Colagrande; Roberto Pini
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Paper Abstract

Photoacoustic imaging (PAI) and microsurgery are attracting interest for cancer treatment. The absorption of light triggers thermoelastic processes that cause ultrasound emission and even cavitation. The ultrasounds emission is exploited to reconstruct images, the cavitation may be used to destroy malignant cells. Gold nanorods (GNRs) have been investigated as contrast agents for PAI, but still little is known about the trigger of cavitation processes. Here we study the influence of GNRs parameters, such as their size, coating and environment, on the cavitation threshold. We expect these results will provide useful indications to develop new theranostics techniques based on light-ultrasound interaction

Paper Details

Date Published: 15 March 2016
PDF: 6 pages
Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 970849 (15 March 2016); doi: 10.1117/12.2212340
Show Author Affiliations
Lucia Cavigli, Istituto di Fisica Applicata "Nello Carrara" (Italy)
Fulvio Ratto, Istituto di Fisica Applicata "Nello Carrara" (Italy)
Marella de Angelis, Istituto di Fisica Applicata "Nello Carrara" (Italy)
Sonia Centi, Istituto di Fisica Applicata "Nello Carrara" (Italy)
Sarah Lai, Istituto di Fisica Applicata "Nello Carrara" (Italy)
Alberto Cini, Istituto di Fisica Applicata "Nello Carrara" (Italy)
Claudia Borri, Istituto di Fisica Applicata "Nello Carrara" (Italy)
Univ. degli Studi di Firenze (Italy)
Stefano Colagrande, Univ. degli Studi di Firenze (Italy)
Roberto Pini, Istituto di Fisica Applicata "Nello Carrara" (Italy)


Published in SPIE Proceedings Vol. 9708:
Photons Plus Ultrasound: Imaging and Sensing 2016
Alexander A. Oraevsky; Lihong V. Wang, Editor(s)

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