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Optimization of the gold layer in multifunctional theranostic core-shell magnetic nanoparticles (MNP@Au) for radiation dose enhancement in an MRI-guided proton therapy system: A Monte Carlo simulation
Radiation Physics and Chemistry ( IF 2.8 ) Pub Date : 2024-12-15 , DOI: 10.1016/j.radphyschem.2024.112477
Mohammadreza Parishan, Rasool Safari, Maryam Bordbar, Zahra Rakeb, Reza Faghihi

Magnetic Resonance Imaging (MRI)-guided proton therapy has advanced significantly in pre-clinical stages. This study investigates the potential of multifunctional theranostic magnetic nanoparticles (MNPs) to enhance radiation dose while serving as MRI contrast agents. We propose MNP@Au nanoparticles, consisting of a magnetic core coated with a gold (Au) layer, and aim to optimize the Au layer thickness to maximize dose enhancement during proton therapy while preserving magnetic properties.

中文翻译:


多功能治疗诊断学核壳磁性纳米颗粒 (MNP@Au) 中的金层优化,用于 MRI 引导质子治疗系统中的辐射剂量增加:蒙特卡洛模拟



磁共振成像 (MRI) 引导的质子治疗在临床前阶段取得了显着进展。本研究调查了多功能治疗诊断磁性纳米颗粒 (MNP) 在用作 MRI 造影剂的同时提高辐射剂量的潜力。我们提出了MNP@Au纳米颗粒,由涂有金 (Au) 层的磁芯组成,旨在优化 Au 层厚度,以最大限度地提高质子治疗期间的剂量增强,同时保持磁性。
更新日期:2024-12-15
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