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基于过渡金属铁氧体利用溶胶-凝胶技术制备磁性纳米粒子的可能性研究。

Study of the Possibility of Using Sol-Gel Technology to Obtain Magnetic Nanoparticles Based on Transition Metal Ferrites.

作者信息

Shabelskaya Nina, Sulima Sergey, Sulima Elena, Medennikov Oleg, Kulikova Marina, Kolesnikova Tatyana, Sushkova Svetlana

机构信息

Department of Ecology and Industrial Safety, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), 346400 Novocherkassk, Russia.

Laboratory "Agrobiotechnologies for Improving Soil Fertility and Quality of Agricultural Products", D.I. Ivanovsky Academy of Biology and Biotechnology, Southern Federal University, 344090 Rostov-on-Don, Russia.

出版信息

Gels. 2023 Mar 14;9(3):217. doi: 10.3390/gels9030217.

DOI:10.3390/gels9030217
PMID:36975666
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10048471/
Abstract

The article presents results for the magnetic nanoparticles sol-gel method synthesis of cobalt (II) ferrite and organic-inorganic composite materials based on it. The obtained materials were characterized using X-ray phase analysis, scanning and transmission electron microscopy, Scherrer, Brunauer-Emmett-Teller (BET) methods. A composite materials formation mechanism is proposed, which includes a gelation stage where transition element cation chelate complexes react with citric acid and subsequently decompose under heating. The fundamental possibility of obtaining an organo-inorganic composite material based on cobalt (II) ferrite and an organic carrier using the presented method has been proved. Composite materials formation is established to lead to a significant (5-9 times) increase in the sample surface area. Materials with a developed surface are formed: the surface area measured by the BET method is 83-143 m/g. The resulting composite materials have sufficient magnetic properties to be mobile in a magnetic field. Consequently, wide possibilities for polyfunctional materials synthesis open up for various applications in medicine.

摘要

本文介绍了基于钴（II）铁氧体的磁性纳米颗粒溶胶 - 凝胶法合成及其有机 - 无机复合材料的结果。使用X射线相分析、扫描和透射电子显微镜、谢乐法、布鲁诺尔 - 埃米特 - 泰勒（BET）法对所得材料进行了表征。提出了一种复合材料形成机制，其中包括一个凝胶化阶段，在此阶段过渡元素阳离子螯合物与柠檬酸反应，随后在加热下分解。已证明使用本方法获得基于钴（II）铁氧体和有机载体的有机 - 无机复合材料的基本可能性。已确定复合材料的形成会导致样品表面积显著增加（5 - 9倍）。形成了具有发达表面的材料：通过BET法测量的表面积为83 - 143 m²/g。所得复合材料具有足够的磁性，能够在磁场中移动。因此，为医学中的各种应用开辟了合成多功能材料的广泛可能性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/8982659d2a29/gels-09-00217-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/5da7f1654c41/gels-09-00217-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/dd03d4434eac/gels-09-00217-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/2ad75a03f219/gels-09-00217-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/20cd7ca6d17a/gels-09-00217-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/e16ba9ac4430/gels-09-00217-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/2fdcda1117fe/gels-09-00217-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/8982659d2a29/gels-09-00217-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/5da7f1654c41/gels-09-00217-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/dd03d4434eac/gels-09-00217-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/2ad75a03f219/gels-09-00217-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/20cd7ca6d17a/gels-09-00217-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/e16ba9ac4430/gels-09-00217-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/2fdcda1117fe/gels-09-00217-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2a22/10048471/8982659d2a29/gels-09-00217-g007.jpg

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