Please use this identifier to cite or link to this item: http://essuir.sumdu.edu.ua/handle/123456789/35430
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Title Photoacoustic Signal Enhancement by Localized Surface Plasmon of Gold Nanoparticles
Authors Ishihara, M.
Okawa, S
Sato, R.
Hirasawa, T.
Teranishi, T.
ORCID
Keywords Photoacoustic
Gold nanoparticle
Polyhedron
Localized surface Plasmon resonance
Ultrasound
Pulsed laser
Tomography
Type Conference Papers
Date of Issue 2013
URI http://essuir.sumdu.edu.ua/handle/123456789/35430
Publisher Sumy State University
License
Citation Photoacoustic Signal Enhancement by Localized Surface Plasmon of Gold Nanoparticles [Текст] / M. Ishihara, S. Okawa, R. Sato et al. // Nanomaterials: Applications & Properties (NAP-2013) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2013. - V.2, No4. - 04NABM12
Abstract Photoacoustic imaging has been widely studied as a deep biological tissue imaging modality combining optical absorption and ultrasonic detection. It enables multi-scale high resolution imaging of optical absorbing intrinsic molecules as well as exogenous molecules. Gold nanoparticles have the primary advantages of large absorption cross section and bioconjugation capability for the imaging contrast agents. In order to design the photoacoustic imaging agents for enhancing the contrast with high specificity to targeted molecules and / or cell, we measured and analyzed time-of-flight photoacoustic signals of aqueous solutions of various shapes and sizes of gold nanoparticles. The signal intensities were sensitive to the shapes and sizes of the gold nanoparticles. We found a strong photoacoustic signal of the polyhedral gold nanoparticle due to the localized surface plasmon resonance. The experimental results derive the strategy of designing the optimum photoacoustic contrast agents. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35430
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