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Magnetic Nanomaterials: Synthesis, Properties and Applications

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A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Nanochemistry".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 6828

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Special Issue Editors

Dr. Artem Kozlovskiy

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Guest Editor

1. The Institute of Nuclear Physics of Republic of Kazakhstan, Nur-Sultan, Kazakhstan
2. L.N.Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan
Interests: polymers; nanostructures for bimedicine; electronic nanomaterials; ferroelectrics; ceramics; membrane technologies; thermoplastic composites; 3D materials
Special Issues, Collections and Topics in MDPI journals

Prof. Dr. Uglov Vladimir

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Guest Editor

Physical and Mathematical Sciences, Belarusian State University, Minsk, Belarus
Interests: thin films and nanotechnology

Dr. Kanyukov Egor

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Guest Editor

Scientific Practical Materials Research Centre of NAS of Belarus, Minsk, Belarus
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The study of structural features, as well as the possibility of controlled control of the phase composition or phase transformation processes open up great prospects for magnetic nanomaterials and devices based on them. A large specific surface area, unique magnetic characteristics, a high degree of ordering of the crystal structure, high mechanical strength, and resistance to external influences are the fundamental factors determining the main characteristics of nanomaterials that have found their application in various branches of science and technology, including biomedicine, microelectronics, photocatalysis, and targeted delivery of drugs.

This Special Issue invites researchers to present their new research, as well as review articles devoted to the study of methods for obtaining and characterizing the properties of magnetic nanomaterials, including nanoparticles, nanotubes, nanowires, and thin films and composite nanostructured ceramics. Research in the field of application of magnetic nanomaterials, including such areas as targeted drug delivery, magneto-optical sensors, etc. are among the most urgent and promising works in the modern world. However, these are not the only topics of this Special Issue; other works on magnetic nanostructures are also welcomed for publication.

Dr. Artem Kozlovskiy
Prof. Dr. Uglov Vladimir
Dr. Kaniukov Egor
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

Magnetic nanoparticles
Multilayer magnetic nanowires
Giant magnetoresistance
Ferroic materials
Ferroelectrics and ferroelastics
Thin films
Magnetic 2D materials
Nanomaterials for drug delivery
Targeted delivery of medicines
Photocatalysis

Published Papers (3 papers)

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Research

14 pages, 2391 KiB

Open AccessArticle

The Amine Functionalized Sugarcane Bagasse Biocomposites as Magnetically Adsorbent for Contaminants Removal in Aqueous Solution

by Chairul Irawan, Meilana Dharma Putra, Hesti Wijayanti, Rinna Juwita, Yenny Meliana and Iryanti Fatyasari Nata

Molecules 2021, 26(19), 5867; https://doi.org/10.3390/molecules26195867 - 28 Sep 2021

Cited by 11 | Viewed by 2044

Abstract

The method of solvothermal by one-step operation has been performed to synthesize of magnetic amine-functionalized sugarcane bagasse biocomposites (SB-MH). The obtained SB-MH contains 62.34% of Fe, 17.8 mmol/g of amine, and a magnetic property of 19.46 emu/g. The biocomposite surface area increased significantly from 1.617 to 25.789 m²/g after amine functionalization. The optimum condition of SB-MH used for Pb(II) ion removal was achieved at pH 5 for 360 min with adsorption capacity of 203.522 mg/g. The pseudo 2nd order was well-fitted to the model of Pb(II) ion adsorption. Meanwhile, other contaminant parameters number of Chemical Oxygen Demand (COD), Total Suspended Solid (TSS), and dye in wastewater were also remarkably reduced by about 74.4%, 88.0%, and 96.7%, respectively. The reusability of SB-MH with 4th repetitions showed only a slight decrease in performance of 5%. Therefore, the proposed magnetic amine-functionalized sugarcane bagasse biocomposites lead to a very potential adsorbent implemented in high scale due to high surface area, easy separation, stable materials and capability to adsorb contaminants from aqueous solution. Full article

(This article belongs to the Special Issue Magnetic Nanomaterials: Synthesis, Properties and Applications)

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13 pages, 2493 KiB

Open AccessArticle

One-Step Synthesis of Magnetic Nanocomposite with Embedded Biologically Active Substance

by Zhanna Ignatovich, Khristina Novik, Anna Abakshonok, Elena Koroleva, Anna Beklemisheva, Larisa Panina, Egor Kaniukov, Marina Anisovich and Alena Shumskaya

Molecules 2021, 26(4), 937; https://doi.org/10.3390/molecules26040937 - 10 Feb 2021

Cited by 5 | Viewed by 2434

Abstract

Magnetic nanocomposites based on hydroxyapatite were prepared by a one-step process using the hydrothermal coprecipitation method to sinter iron oxides (Fe₃O₄ and γ-Fe₂O₃). The possibility of expanding the proposed technique for the synthesis of magnetic composite with embedded biologically active substance (BAS) of the 2-arylaminopyrimidine group was shown. The composition, morphology, structural features, and magnetic characteristics of the nanocomposites synthesized with and without BAS were studied. The introduction of BAS into the composite synthesis resulted in minor changes in the structural and physical properties. The specificity of the chemical bonds between BAS and the hydroxyapatite-magnetite core was revealed. The kinetics of the BAS release in a solution simulating the stomach environment was studied. The cytotoxicity of (HAP)FexOy and (HAP)FexOy + BAS composites was studied in vitro using the primary culture of human liver carcinoma cells HepG2. The synthesized magnetic composites with BAS have a high potential for use in the biomedical field, for example, as carriers for magnetically controlled drug delivery and materials for bone tissue engineering. Full article

(This article belongs to the Special Issue Magnetic Nanomaterials: Synthesis, Properties and Applications)

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13 pages, 2839 KiB

Open AccessArticle

Fe₂O₃ Nanoparticles Doped with Gd: Phase Transformations as a Result of Thermal Annealing

by Artem Kozlovskiy, Kamila Egizbek, Maxim V. Zdorovets and Kayrat Kadyrzhanov

Molecules 2021, 26(2), 457; https://doi.org/10.3390/molecules26020457 - 16 Jan 2021

Cited by 2 | Viewed by 1828

Abstract

The aim of this work is to study the effect of the phase composition of the synthesized Fe₂O₃-Gd₂O₃ nanoparticles on the efficiency of using magnetic hyperthermia as a basis for experiments. This class of structures is one of the most promising materials for biomedical applications and magnetic resonance imaging. In the course of the study, the dynamics of phase transformations of nanoparticles Fe₂O₃ → Fe₂O₃/GdFeO₃ → GdFeO₃ were established depending on the annealing temperature. It has been determined that the predominance of the GdFeO₃ phase in the structure of nanoparticles leads to an increase in their size from 15 to 40 nm. However, during experiments to determine the resistance to degradation and corrosion, it was found that GdFeO₃ nanoparticles have the highest corrosion resistance. During the hyperthermal tests, it was found that a change in the phase composition of nanoparticles, as well as their size, leads to an increase in the heating rate of nanoparticles, which can be further used for practical purposes. Full article

(This article belongs to the Special Issue Magnetic Nanomaterials: Synthesis, Properties and Applications)

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