4.8 Article

Superatom Paramagnetism Enables Gold Nanocluster Heating in Applied Radiofrequency Fields

Journal

ACS NANO
Volume 7, Issue 3, Pages 2610-2616

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/nn306015c

Keywords

gold nanoparticles; hyperthermal therapy; radiofrequency; gold nanoclusters

Funding

  1. Colorado State University

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The Au-102(pMBA)(44) nanocluster becomes a superatom paramagnet after chemical oxidation. Solutions of paramagnetic Au-102(pMBA)(44) heat In an oscillating magnetic field component of an RF field, but not In the electric component. Combined, these experiments suggest that paramagnetic Au-102(pMBA)(44) heats through Interactions of spin magnetic moment with an external oscillating magnetic field. These results may clarify some current controversy regarding gold nanoparticle heating in radiofrequency fields.

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