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, GBR. 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.

ORCID iDs

Kusch, Jonas ORCID: https://orcid.org/0000-0003-0921-9167

Flockhart, Gordon M.H. ORCID: https://orcid.org/0000-0002-8777-7511

Graham, Duncan ORCID: https://orcid.org/0000-0002-6079-2105

Faulds, Karen ORCID: https://orcid.org/0000-0002-5567-7399

Uttamchandani, Deepak ORCID: https://orcid.org/0000-0002-2362-4874

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  Item type:	Book Section
  ID code:	64502
  Dates:	Date Event 21 December 2017 Published 10 August 2017 Accepted
  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:	06 May 2021 01:00
  Related URLs:	Scopus publication
  URI:	https://strathprints.strath.ac.uk/id/eprint/64502