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Metamaterial-Assisted Miniaturized Antennas for Targeted Microwave Hyperthermia: From Deep Tissue Focus to Energy
Jie Zuo1, Jinghua Ye2,3,4, Chong Xu5
1School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou, 510006, China.
Metamaterials enhance microwave hyperthermia antennas for cancer treatment. These advanced antennas offer improved miniaturization, deeper tissue penetration, and more precise energy delivery, overcoming traditional limitations for better tumor therapy.
Area of Science:
- Biomedical Engineering
- Electromagnetics
- Materials Science
Background:
- Microwave hyperthermia is a non-invasive cancer treatment.
- Traditional antennas face challenges like bulkiness, shallow penetration, and uneven heating (SAR).
Purpose of the Study:
- Review metamaterial-assisted miniaturized antennas for targeted microwave hyperthermia.
- Elaborate on electromagnetic challenges and metamaterial solutions for deep tissue heating.
Main Methods:
- Systematic review of metamaterial applications in hyperthermia antennas.
- Analysis of implantable and wearable antenna systems.
- Discussion of electromagnetic hurdles and metamaterial mechanisms (near-field control, SAR shaping).
Main Results:
- Metamaterials enable control over electromagnetic properties for improved antenna performance.
- Metamaterial-assisted antennas can overcome limitations of traditional designs.
- Potential for enhanced miniaturization, energy efficiency, and SAR distribution.
Conclusions:
- Metamaterial-assisted antenna design can improve precision and safety in microwave hyperthermia.
- Addresses trade-offs between miniaturization and energy loss.
- Promotes development of adaptive, clinically translatable systems for solid tumors.
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