Запис Детальніше

Photoacoustic Signal Enhancement by Localized Surface Plasmon of Gold Nanoparticles

Electronic Archive of Sumy State University

Переглянути архів Інформація
 
 
Поле Співвідношення
 
Title Photoacoustic Signal Enhancement by Localized Surface Plasmon of Gold Nanoparticles
 
Creator Ishihara, M.
Okawa, S
Sato, R.
Hirasawa, T.
Teranishi, T.
 
Subject Photoacoustic
Gold nanoparticle
Polyhedron
Localized surface Plasmon resonance
Ultrasound
Pulsed laser
Tomography
 
Description 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.
 
Publisher Sumy State University
 
Date 2014-05-29T10:39:02Z
2014-05-29T10:39:02Z
2013
 
Type Article
 
Identifier 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
http://essuir.sumdu.edu.ua/handle/123456789/35430
 
Language en