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Effect of nanoparticle morphologies on signal strength in photoacoustic sensing

Murdoch, Craig S. and Kusch, Jonas and Flockhart, Gordon M.H. and Graham, Duncan and Faulds, Karen and Uttamchandani, Deepak (2017) Effect of nanoparticle morphologies on signal strength in photoacoustic sensing. In: IEEE SENSORS 2017 - Conference Proceedings. IEEE, Piscataway, N.J.. ISBN 978-1-5090-1013-4

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Abstract

Spherical gold nanoparticles with a plasmonic extinction peak at 532 nm and two sizes of star shaped gold nanoparticles with plasmonic extinction peaks at 532 nm and 600 nm were synthesised and introduced into tissue phantoms as exogenous absorbers. The photoacoustic signals generated from the three different nanoparticle morphologies embedded in tissue the phantoms is compared. The effect of nanoparticle concentration on the generated photoacoustic signal strength was also investigated for the spherical nanoparticles. At an excitation laser wavelength of 532 nm, the spherical gold nanoparticles were shown to produce the greatest photoacoustic response.

Item type: Book Section
ID code: 64502
Notes: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: gold nano-spheres, gold nano-stars, nanoparticles, photoacoustic, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Science > Pure and Applied Chemistry
Faculty of Engineering > Electronic and Electrical Engineering
Technology and Innovation Centre > Sensors and Asset Management
Faculty of Engineering
Technology and Innovation Centre > Bionanotechnology
Depositing user: Pure Administrator
Date deposited: 15 Jun 2018 14:19
Last modified: 02 Feb 2019 14:05
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URI: https://strathprints.strath.ac.uk/id/eprint/64502
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