Ferrite Nanocubes Coupled with Gold Nanorods: A Plasmonic Leap in Hyperthermia Efficiency

Plasmonic nanostructures provide a versatile platform for modulating nanoscale energy transfer processes. Herein, we report a magnetoplasmonic nanofluid comprising core-shell MnFe<sub>2</sub>O<sub>4</sub>@Fe<sub>3</sub>O<sub>4</sub> nanocubes and gold nanorods that exhibits significantly enhanced magnetic hyperthermia performance under kHz-range alternating magnetic fields. A marked increase in heating efficiency, up to 50% higher specific absorption rate (SAR) compared to the ferrite-only control samples, was observed when the plasmon resonance of the Au nanorods aligned with near-infrared optical transitions of the ferrite nanocubes. This enhancement is attributed to the polariton-like hybridization phenomenon in the near field. Such findings open potential avenues for engineering multifunctional nanomaterials for targeted cancer therapy and theragnostic applications.

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Publication Details

Journal
ACS Applied Nano Materials
Published
2026-01-26
DOI
https://doi.org/10.1021/acsanm.5c05187
Primary Topic
Nanoparticle-Based Drug Delivery
Type
article
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article

Ferrite Nanocubes Coupled with Gold Nanorods: A Plasmonic Leap in Hyperthermia Efficiency

Doris Cadavid, Eva Natividad, C. Martínez-Boubeta, Sara Martí‐Sánchez et al.
ACS Applied Nano Materials
Nanoparticle-Based Drug Delivery
article

Ferrite Nanocubes Coupled with Gold Nanorods: A Plasmonic Leap in Hyperthermia Efficiency

Doris Cadavid, Eva Natividad, C. Martínez-Boubeta, Sara Martí‐Sánchez, Marcos Sanles, K. Simeonidis, Marı́a de la Mata, Jordi Arbiol, Nikolaos Maniotis, Zhishan Luo, Andreu Cabot
article en

Abstract

Plasmonic nanostructures provide a versatile platform for modulating nanoscale energy transfer processes. Herein, we report a magnetoplasmonic nanofluid comprising core-shell MnFe<sub>2</sub>O<sub>4</sub>@Fe<sub>3</sub>O<sub>4</sub> nanocubes and gold nanorods that exhibits significantly enhanced magnetic hyperthermia performance under kHz-range alternating magnetic fields. A marked increase in heating efficiency, up to 50% higher specific absorption rate (SAR) compared to the ferrite-only control samples, was observed when the plasmon resonance of the Au nanorods aligned with near-infrared optical transitions of the ferrite nanocubes. This enhancement is attributed to the polariton-like hybridization phenomenon in the near field. Such findings open potential avenues for engineering multifunctional nanomaterials for targeted cancer therapy and theragnostic applications.

ACS Applied Nano MaterialsVol. 9(5)
Institució Catalana de Recerca i Estudis Avançats (ES), Cone Health (US), Aristotle University of Thessaloniki (GR), ConocoPhillips (United States) (US), Analytical Services (US), Southern University of Science and Technology (CN), Universidad Nacional de Colombia (CO), Universidad de Cádiz (ES), Institut Català de Nanociència i Nanotecnologia (ES), Analytical Engineering (United States) (US), Institut de Recerca en Energia de Catalunya (ES), Instituto de Nanociencia y Materiales de Aragón (ES)
Affordable and clean energy
Openalex Percentile: Top 80%
Nanoparticle-Based Drug Delivery
DOIOpen Access PDFOpenAlex
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