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Updated: May 8, 2026

Protocols for Assessing Radiofrequency Interactions with Gold Nanoparticles and Biological Systems for Non-invasive Hyperthermia Cancer Therapy

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Enhanced Non-Invasive Radio Frequency Heating Using 2D Pyrite (Pyritene).

Karthik Rajeev¹, Bruno Ipaves^2,3, Caique Campos de Oliveira²

¹Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur, West Bengal, 721302, India.

|February 6, 2025

Summary

This summary is machine-generated.

This study introduces radiofrequency (RF) heating using 2D materials for targeted tumor therapy. Yeast cells exposed to RF fields reached lethal temperatures, demonstrating a novel, less invasive biological heating method.

Keywords:

2D iron sulfide density functional theory radiofrequency heating thermal imaging

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Author Spotlight: Computing the Effects of a Local Radiofrequency Hyperthermia Intervention on Tumor Biomechanics

Author Spotlight: Computing the Effects of a Local Radiofrequency Hyperthermia Intervention on Tumor Biomechanics

Published on: December 1, 2023

Area of Science:

Biophysics
Materials Science
Biotechnology

Background:

Radiofrequency (RF) heating offers a less invasive alternative to traditional tumor therapies.
Precise localized heating remains a challenge in current RF heating applications.
Nanoparticles are often used for enhancing RF heating, but this study explores a different approach.

Purpose of the Study:

To investigate radiofrequency (RF) heating in a biological cell (yeast)-2D material (FeS2) system.
To understand the molecular interactions enabling efficient RF heating.
To explore the potential of 2D materials for targeted biological heating applications.

Main Methods:

Experimental investigations of RF heating effects on yeast cells.
Density functional theory (DFT) computations to analyze molecular interactions.
Current-voltage measurements to characterize electrical properties.

Main Results:

RF heating reached 54°C in 40 seconds at 3 W and 50 MHz, sufficient for yeast cell death.
Ionic diode-like properties were observed through current-voltage measurements.
DFT calculations revealed charge imbalance and conductive channel formation due to yeast lipid and 2D FeSk interactions.

Conclusions:

The study demonstrates a novel mechanism for RF heating in a 2D material-biomolecule system.
This work provides a framework for investigating 2D material-biomolecule interactions for RF biological heating.
The findings offer insights into developing advanced, less invasive therapeutic heating technologies.