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A.I. Medvedev
Researcher at Ural Federal University
Publications - 17
Citations - 388
A.I. Medvedev is an academic researcher from Ural Federal University. The author has contributed to research in topics: Magnetic nanoparticles & Nanoparticle. The author has an hindex of 9, co-authored 17 publications receiving 309 citations.
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Journal ArticleDOI
Spherical magnetic nanoparticles fabricated by laser target evaporation
A. P. Safronov,I.V. Beketov,S. V. Komogortsev,Galina V. Kurlyandskaya,A.I. Medvedev,D. V. Leiman,Aitor Larrañaga,S. M. Bhagat +7 more
TL;DR: In this paper, the magnetic nanoparticles of iron oxide (MNPs) were prepared by the laser target evaporation technique (LTE). The main focus was on the fabrication of de-aggregated spherical maghemite MNPs with a narrow size distribution and enhanced effective magnetization.
Journal ArticleDOI
Iron oxide nanoparticles fabricated by electric explosion of wire: focus on magnetic nanofluids
I.V. Beketov,A. P. Safronov,A.I. Medvedev,Javier Alonso,Galina V. Kurlyandskaya,S. M. Bhagat +5 more
TL;DR: In this paper, the main focus was on the fabrication of deaggregated spherical nanoparticles with a narrow size distribution, and further separation of air-dry EEW nanoparticles was performed in aqueous suspensions.
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Polyacrylamide Ferrogels with Magnetite or Strontium Hexaferrite: Next Step in the Development of Soft Biomimetic Matter for Biosensor Applications
Alexander P. Safronov,Ekaterina A. Mikhnevich,Zahra Lotfollahi,Zahra Lotfollahi,Felix A. Blyakhman,Tatyana F. Sklyar,Aitor Larrañaga Varga,A.I. Medvedev,Sergio Fernandez Armas,Galina V. Kurlyandskaya,Galina V. Kurlyandskaya +10 more
TL;DR: The proposed protocol allowed measurements of the concentration dependence of magnetic particles in gels using magnetoimpedance responses in the presence of magnetite and strontium hexaferrite ferrogels with xanthan.
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Nanostructured materials for magnetic biosensing
Galina V. Kurlyandskaya,Galina V. Kurlyandskaya,Dmitriy S. Portnov,I.V. Beketov,Aitor Larrañaga,Alexander P. Safronov,Iñaki Orue,A.I. Medvedev,A. A. Chlenova,María Belén Sánchez-Ilárduya,Ana Martínez-Amesti,Andrey V. Svalov +11 more
TL;DR: This work summarizes recent developments in the field of nanomaterials potentially applicable in magnetic biosensing and characterized Iron oxide MNPs, which was characterized by large internal strains of the order of 25–8 nm size, which can play an important role for the interaction with different biosystems.
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Structure, magnetic and microwave properties of FeNi nanoparticles obtained by electric explosion of wire
Galina V. Kurlyandskaya,Galina V. Kurlyandskaya,Iñaki Madinabeitia,I.V. Beketov,A.I. Medvedev,Aitor Larrañaga,A. P. Safronov,S. M. Bhagat +7 more
TL;DR: In this article, the shape of magnetic nanoparticles of FeNi was characterized by X-ray diffraction, transmission, scanning electron microscopy, low temperature nitrogen adsorption, magnetization and microwave absorption measurements.