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用于潜在热疗应用的稀土掺杂铋铁锰纳米颗粒。

Rare-earth doped BiFeMnO nanoparticles for potential hyperthermia applications.

作者信息

Dubey Astita, Salamon Soma, Attanayake Supun B, Ibrahim Syaidah, Landers Joachim, Castillo Marianela Escobar, Wende Heiko, Srikanth Hari, Shvartsman Vladimir V, Lupascu Doru C

机构信息

Institute for Materials Science and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Essen, Germany.

Faculty of Physics and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Duisburg, Germany.

出版信息

Front Bioeng Biotechnol. 2022 Oct 18;10:965146. doi: 10.3389/fbioe.2022.965146. eCollection 2022.

DOI:10.3389/fbioe.2022.965146
PMID:36329706
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9623096/
Abstract

Ionic engineering is exploited to substitute Bi cations in BiFeMnO NPs (BFM) with rare-earth (RE) elements (Nd, Gd, and Dy). The sol-gel synthesized RE-NPs are tested for their magnetic hyperthermia potential. RE-dopants alter the morphology of BFM NPs from elliptical to rectangular to irregular hexagonal for Nd, Gd, and Dy doping, respectively. The RE-BFM NPs are ferroelectric and show larger piezoresponse than the pristine BFO NPs. There is an increase of the maximum magnetization at 300 K of BFM up to 550% by introducing Gd. In hyperthermia tests, 3 mg/ml dispersion of NPs in water and agar could increase the temperature of the dispersion up to ∼39°C under an applied AC magnetic field of 80 mT. Although Gd doping generates the highest increment in magnetization of BFM NPs, the Dy-BFM NPs show the best hyperthermia results. These findings show that RE-doped BFO NPs are promising for hyperthermia and other biomedical applications.

摘要

利用离子工程将稀土（RE）元素（钕、钆和镝）替代铋铁锰氧化物纳米颗粒（BFM）中的铋阳离子。对通过溶胶-凝胶法合成的稀土纳米颗粒的磁热疗潜力进行了测试。对于钕、钆和镝掺杂，稀土掺杂剂分别将BFM纳米颗粒的形态从椭圆形改变为矩形再到不规则六边形。稀土-BFM纳米颗粒具有铁电性，并且比原始的BFO纳米颗粒表现出更大的压电响应。通过引入钆，BFM在300K时的最大磁化强度增加了高达550%。在热疗测试中，纳米颗粒在水和琼脂中的3mg/ml分散液在80mT的外加交流磁场下可将分散液温度升高至约39°C。尽管钆掺杂使BFM纳米颗粒的磁化强度增加最多，但镝-BFM纳米颗粒显示出最佳的热疗效果。这些发现表明，稀土掺杂的BFO纳米颗粒在热疗和其他生物医学应用方面具有潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/12a89a2cb2cf/fbioe-10-965146-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/3878d92c5cd2/fbioe-10-965146-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/2dd7f222d910/fbioe-10-965146-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/a032a49a2fc7/fbioe-10-965146-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/b333057eabce/fbioe-10-965146-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/8dfb243dec3a/fbioe-10-965146-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/e53bdfeca365/fbioe-10-965146-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/27462599e1d3/fbioe-10-965146-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/12a89a2cb2cf/fbioe-10-965146-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/3878d92c5cd2/fbioe-10-965146-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/2dd7f222d910/fbioe-10-965146-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/a032a49a2fc7/fbioe-10-965146-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/b333057eabce/fbioe-10-965146-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/8dfb243dec3a/fbioe-10-965146-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/e53bdfeca365/fbioe-10-965146-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/27462599e1d3/fbioe-10-965146-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8ab5/9623096/12a89a2cb2cf/fbioe-10-965146-g008.jpg

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本文引用的文献

[1]
Role of cooperative factors in the photocatalytic activity of Ba and Mn doped BiFeO nanoparticles.

Nanoscale Adv. 2021-8-26

[2]
Multifunctional Bismuth Ferrite Nanocatalysts with Optical and Magnetic Functions for Ultrasound-Enhanced Tumor Theranostics.

ACS Nano. 2020-6-23

[3]
Multifunction bismuth gadolinium oxide nanoparticles as radiosensitizer in radiation therapy and imaging.

Phys Med Biol. 2019-10-4

[4]
Facile Synthesis of Uniform-Sized Bismuth Nanoparticles for CT Visualization of Gastrointestinal Tract in Vivo.

ACS Appl Mater Interfaces. 2016-5-10

[5]
Cellular uptake and biocompatibility of bismuth ferrite harmonic advanced nanoparticles.

Nanomedicine. 2015-5

[6]
Composition-driven structural phase transitions in rare-earth-doped BiFeO3 ceramics: a review.

IEEE Trans Ultrason Ferroelectr Freq Control. 2015-1

[7]
Magnetic nanoparticle-based hyperthermia for cancer treatment.

Rep Pract Oncol Radiother. 2013-11-1

[8]
Effect of particle size on ferroelectric and magnetic properties of BiFeO₃ nanopowders.

Nanotechnology. 2013-8-6

[9]
Learning from nature to improve the heat generation of iron-oxide nanoparticles for magnetic hyperthermia applications.

Sci Rep. 2013

[10]
Doping BiFeO3: approaches and enhanced functionality.

Phys Chem Chem Phys. 2012-12-14

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