优化纳米Fe3O4制备工艺以提高磁热疗效率

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Chemistry and Physics Pub Date : 2025-05-07 DOI:10.1016/j.matchemphys.2025.130983

Luu Huu Nguyen , Q.Nghi Pham , Eric Riviere , Pham Tien Thanh , Pham Hong Nam , Pham Van Hai , Nguyen Thi Van Anh , Le Doan Phuc , Nguyen Thi Minh Hong

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引用次数: 0

摘要

本研究在不同的pH、反应温度(T)、反应时间(T)条件下，采用微波辅助水热法制备了Fe3O4纳米颗粒（NPs）。本文综合分析得出pH = 10, T = 150℃，T = 60 min是制备Fe3O4纳米粒子的最佳条件。FT-IR和拉曼光谱证实，单斜Fe3O4相（约4.65%）对S2样品（9.2 nm）室温下的高饱和磁化强度（MS = 83.4 emu/g）和高磁各向异性（K = 169 kJ/m3）起着至关重要的作用。此外，S2样品在C = 0.1 mg/mL, H = 175 Oe, f = 390 kHz条件下表现出较高的热效率（SAR = 387.8 W/g, ESAR = 5.13 nHm2/kg）与其磁性能相关。这一结果表明，纳米粒子介导的磁热疗在治疗和其他生物医学领域的应用前景广阔。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Optimizing fabrication parameters of Fe3O4 nanoparticles for enhancing magnetic hyperthermia efficiency

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Optimizing fabrication parameters of Fe3O4 nanoparticles for enhancing magnetic hyperthermia efficiency

In this study, Fe₃O₄ nanoparticles (NPs) are prepared by microwave-assisted hydrothermal at various conditions of pH, reaction temperature (T), and time reaction duration (t). This work provided a comprehensive analysis and obtained conditions that pH = 10, T = 150 °C, and t = 60 min as the optimal ones for producing Fe₃O₄ NPs with enhanced magnetic properties. In particular, the monoclinic Fe₃O₄ phase (about 4.65 %), confirmed by FT-IR and Raman spectroscopy, plays a crucial role in achieving high saturation magnetization (M_S = 83.4 emu/g) and high magnetic anisotropy (K = 169 kJ/m³) at room temperature for the S2 sample (9.2 nm). Additionally, the S2 sample exhibiting high heating efficiency (SAR = 387.8 W/g and ESAR = 5.13 nHm²/kg measured at C = 0.1 mg/mL, H = 175 Oe and f = 390 kHz) correlates with its magnetic properties. This results lead the promising in future to be a high efficiency nanoparticle-mediated magnetic hyperthermia for therapeutic treatments and other biomedical applications.

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来源期刊

Materials Chemistry and Physics 工程技术-材料科学：综合

CiteScore

8.70

自引率

4.30%

发文量

1515

审稿时长

69 days

期刊介绍： Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.