Open Access
Research Article

Nano Research

, Volume 2, Issue 5, pp 400-405

Size-dependent joule heating of gold nanoparticles using capacitively coupled radiofrequency fields

Authors

  • Christine H. Moran
    • Department of BioengineeringRice University
    • Department of Surgical OncologyMD Anderson Cancer Center
  • Sean M. Wainerdi
    • Department of Surgical OncologyMD Anderson Cancer Center
    • Department of BioengineeringTexas A&M University
  • Tonya K. Cherukuri
    • Department of Chemistry and Richard E. Smalley Institute for Nanoscale Science and TechnologyRice University
  • Carter Kittrell
    • Department of Chemistry and Richard E. Smalley Institute for Nanoscale Science and TechnologyRice University
  • Benjamin J. Wiley
    • Department of Chemistry and Chemical BiologyHarvard University
  • Nolan W. Nicholas
    • Department of Physics and Richard E. Smalley Institute for Nanoscale Science and TechnologyRice University
  • Steven A. Curley
    • Department of Surgical OncologyMD Anderson Cancer Center
    • Department of Mechanical Engineering and Material ScienceRice University
  • John S. Kanzius
  • Paul Cherukuri
    • Department of Surgical OncologyMD Anderson Cancer Center
    • Department of Chemistry and Richard E. Smalley Institute for Nanoscale Science and TechnologyRice University
    • Department of Chemistry and Chemical BiologyHarvard University
    • Department of Experimental TherapeuticsMD Anderson Cancer Center

DOI: 10.1007/s12274-009-9048-1

Abstract

Capacitively coupled shortwave radiofrequency fields (13.56 MHz) resistively heat low concentrations (∼1 ppm) of gold nanoparticles with a thermal power dissipation of ∼380 kW/g of gold. Smaller diameter gold nanoparticles (< 50 nm) heat at nearly twice the rate of larger diameter gold nanoparticles (≥50 nm), which is attributed to the higher resistivity of smaller gold nanostructures. A Joule heating model has been developed to explain this phenomenon and provides critical insights into the rational design and engineering of nanoscale materials for noninvasive thermal therapy of cancer.

https://static-content.springer.com/image/art%3A10.1007%2Fs12274-009-9048-1/MediaObjects/12274_2009_9048_Fig1_HTML.jpg

Keywords

Resistivity radiofrequency gold nanoparticles cancer thermal

Supplementary material

12274_2009_9048_MOESM1_ESM.pdf (246 kb)
Supplementary material, approximately 340 KB.

Copyright information

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2009