Magnetic fluid hyperthermia controlled by frequency counter and colorimetric program systems based on magnetic nanoparticles

Magnetic nanoparticles (MNP) are anticipated to perform better in terms of thermal conductivity when exposed to alternating magnetic fields (AMF). Herein, key parameters for efficient heating are examined in an AMF that is organized and managed by a zero voltage switching (ZVS) and frequency counter...

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Veröffentlicht in:Applied physics. A, Materials science & processing Materials science & processing, 2023-08, Vol.129 (8), Article 566
Hauptverfasser: Elbeltagi, Shehab, Saeedi, Ahmad M., Ali, Maha A., El-Dek, Samaa I.
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container_title Applied physics. A, Materials science & processing
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creator Elbeltagi, Shehab
Saeedi, Ahmad M.
Ali, Maha A.
El-Dek, Samaa I.
description Magnetic nanoparticles (MNP) are anticipated to perform better in terms of thermal conductivity when exposed to alternating magnetic fields (AMF). Herein, key parameters for efficient heating are examined in an AMF that is organized and managed by a zero voltage switching (ZVS) and frequency counter system, which has shown great potential for hyperthermia (HT). The present study investigates the set-up of a matched coil coupled with direct current (DC) power and a frequency counter. The set-up technique for inducing HT in magnetic fluid NPs used in in vitro experiments and magnetic fluid calorimetric applications is advanced. Superparamagnetic iron oxide nanoparticles Fe 3 O 4 (SPIONs) was prepared by the sonochemical method and coated with polyethylene glycol (Fe 3 O 4 @PEG). Our sample Fe 3 O 4 @PEG crystallized nano-size with an average particle size of 14 nm, and high magnetic saturation ( M S ) about 49 emu/g. The MNPs exposed to AMF at 300 kHz exhibited the highest thermal values (42–45 °C). The specific absorption rate values of 188, 217, and 234 W/g for the NP concentrations of 5, 10, and 20 mg/ml, respectively reveal the improvement of our set-up to enhance the SPIONs as a thermal agent.
doi_str_mv 10.1007/s00339-023-06825-5
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subjects Applied physics
Characterization and Evaluation of Materials
Condensed Matter Physics
Crystallization
Direct current
Frequency counters
Hyperthermia
Iron oxides
Machines
Magnetic fluids
Magnetic saturation
Manufacturing
Materials science
Nanoparticles
Nanotechnology
Optical and Electronic Materials
Physics
Physics and Astronomy
Polyethylene glycol
Processes
Sonochemical reactions
Surfaces and Interfaces
Thermal conductivity
Thin Films
title Magnetic fluid hyperthermia controlled by frequency counter and colorimetric program systems based on magnetic nanoparticles
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