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Updated: Jan 4, 2026
Nanoparticle Tracking Analysis of Gold Nanoparticles in Aqueous Media through an Inter-Laboratory Comparison
Published on: October 20, 2020
Towards a System for Tracking Drug Delivery Using Frequency Excited Gold Nanoparticles
Nazanin Neshatvar1, Rui Damaso2,3, Nima Seifnaraghi4
1Department of Electronic and Electrical Engineering, University College London, Torrington Place, London WC1E 7JE, UK. n.neshatvar.12@ucl.ac.uk.
Abstract:
Nanoparticle-based drugs are rapidly evolving to treat different conditions and have considerable potential. A new system based on the combination of electrical impedance tomography (EIT) imaging and a power amplifier with a RF coil has been developed to study the effect of gold nanoparticles (AuNPs) when excited in the MHz frequency range. We show that samples including AuNPs have a temperature increase of 1-1.5 °C due to the presence of RF excitation at 13.56 MHz which provides a higher rate of change for solutions without AuNPs. They also show more than a 50% increase in conductivity in difference imaging as the result of this excitation. The change for samples without AuNPs is 40%.
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