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Artykuły w czasopismach na temat „Iron oxide microparticles”

Autor: Grafiati

Data publikacji: 21 grudnia 2024

Data aktualizacji: 31 lipca 2025

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1

Bica, Ioan, Eugen Mircea Anitas, Hyoung Jin Choi, and Paula Sfirloaga. "Microwave-assisted synthesis and characterization of iron oxide microfibers." Journal of Materials Chemistry C 8, no. 18 (2020): 6159–67. http://dx.doi.org/10.1039/c9tc05687d.

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Carrelo, Henrique, André R. Escoval, Tânia Vieira, et al. "Injectable Thermoresponsive Microparticle/Hydrogel System with Superparamagnetic Nanoparticles for Drug Release and Magnetic Hyperthermia Applications." Gels 9, no. 12 (2023): 982. http://dx.doi.org/10.3390/gels9120982.

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Cancer is a disease that continues to greatly impact our society. Developing new and more personalized treatment options is crucial to decreasing the cancer burden. In this study, we combined magnetic polysaccharide microparticles with a Pluronic thermoresponsive hydrogel to develop a multifunctional, injectable drug delivery system (DDS) for magnetic hyperthermia applications. Gellan gum and alginate microparticles were loaded with superparamagnetic iron oxide nanoparticles (SPIONs) with and without coating. The magnetic microparticles’ registered temperature increases up to 4 °C upon the app

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3

Krajewski, M., K. Brzozka, W. S. Lin, et al. "High temperature oxidation of iron–iron oxide core–shell nanowires composed of iron nanoparticles." Physical Chemistry Chemical Physics 18, no. 5 (2016): 3900–3909. http://dx.doi.org/10.1039/c5cp07569f.

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Bharathy, Pavithra, Silpa Jayaprakash, Allen Christopher M, Rajini prem G, and Punniyakoti Veeraveedu Thanikachalam. "Characterization and cytotoxicity evaluation of Ixora coccinea-derived iron oxide microparticles for biomedical applications." Journal of Applied Pharmaceutical Research 13, no. 1 (2025): 179–90. https://doi.org/10.69857/joapr.v13i1.870.

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Background: This study aimed to synthesise and characterise iron oxide microparticles (IOMPs) using Ixora coccinea flower extracts and evaluate their antioxidant, anti-inflammatory, cytotoxic, and antidiabetic activities. Methodology: IOMPs were synthesised using Ixora coccinea flower extract and characterised using XRD, UV-Vis, EDAX APEX, and SEM. Bioactivity evaluations included anti-inflammatory and antioxidant activities via egg albumin, BSA, and DPPH assays; cytotoxicity through Brine Shrimp Lethality and zebrafish embryonic toxicity assays at 5, 10, 20, 40, and 80 μg/ml; and antidiabetic

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Koudelkova, Zuzana, Zuzana Bytesnikova, Kledi Xhaxhiu, et al. "Electrochemical Evaluation of Selenium (IV) Removal from Its Aqueous Solutions by Unmodified and Modified Graphene Oxide." Molecules 24, no. 6 (2019): 1063. http://dx.doi.org/10.3390/molecules24061063.

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The removal of selenium from superficial and waste water is a worldwide problem. The maximum limit according to the World Health Organization (WHO) for the selenium in the water is set at a concentration of 10 μg/L. Carbon based adsorbents have attracted much attention and recently demonstrated promising performance in removal of selenium. In this work, several materials (iron oxide based microparticles and graphene oxides materials) and their composites were prepared to remove Se(IV) from water. The graphene oxides were prepared according to the simplified Hummer’s method. In addition, the ef

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6

Kusrini, Eny, Khairu Nuzula, Anwar Usman, Lee D. Wilson, Cindy Gunawan, and Agus Budi Prasetyo. "Enhanced Cytotoxicity and Antifungal Effects of Iron-Oxide Chitosan/Samarium/Ranitidine Microparticles." Sains Malaysiana 54, no. 1 (2025): 3673–86. https://doi.org/10.17576/jsm-2025-5401-17.

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This study aimed to investigate the cytotoxicity and antifungal properties of Sm(NO3)3.6H2O salt, chitosan/Sm complex, iron oxide (Fe3O4 NPs), and iron-oxide modified chitosan/Sm/ranitidine microparticles. The microparticles of iron-oxide modified chitosan/Sm/ranitidine composites were synthesized from various masses of Sm(NO3)3.6H2O (250-350 mg), chitosan (2,000-2,500 mg), and (5-25 mg) through the microwave-assisted evaporation method. The Fe3O4 NPs and ranitidine/Sm were mixed with chitosan through a dispersion method by microwave. The toxicity studies of iron-oxide modified chitosan/Sm/ran

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7

Žaimis, Uldis, Jūratė Jolanta Petronienė, Andrius Dzedzickis, and Vytautas Bučinskas. "Stretch Sensor: Development of Biodegradable Film." Sensors 24, no. 2 (2024): 683. http://dx.doi.org/10.3390/s24020683.

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This article presents research on biodegradable stretch sensors produced using biological material. This sensor uses a piezoresistive effect to indicate stretch, which can be used for force measurement. In this work, an attempt was made to develop the composition of a sensitive material and to design a sensor. The biodegradable base was made from a κ-carrageenan compound mixed with Fe2O3 microparticles and glycerol. The influence of the weight fraction and iron oxide microparticles on the tensile strength and Young’s modulus was experimentally investigated. Tensile test specimens consisted of

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8

Kabiri, Shervin, Mahaveer D. Kurkuri, Tushar Kumeria, and Dusan Losic. "Frit-free PDMS microfluidic device for chromatographic separation and on-chip detection." RSC Adv. 4, no. 29 (2014): 15276–80. http://dx.doi.org/10.1039/c4ra01393j.

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A simple frit-free PDMS (polydimethylsiloxane) microfluidic chromatographic separation and detection device, packed with diatomaceous earth (DE) microparticles as a normal phase stationary material using iron oxide magnetic nanoparticles is described.

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9

Matsunaga, H., M. Kiguchi, B. Roth, and P. D. Evans. "Visualisation of Metals in Pine Treated with Preservative Containing Copper and Iron Nanoparticles." IAWA Journal 29, no. 4 (2008): 387–96. http://dx.doi.org/10.1163/22941932-90000193.

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In this study we compared the ability of conventional and field-emission scanning-electron-microscopy (FESEM) and energy-dispersive analysis of X-rays (EDX) to visualise and map inorganic nano and microparticles in Southern pine (Pinus sp.) treated with an aqueous dispersion of micronised copper-carbonate and iron oxide. Conventional SEM-EDX was able to detect areas of the wood microstructure that contained higher concentrations of copper and iron, but EDX maps were affected by drift and specimens suffered beam damage. The high brightness of the FESEM's electron beam at low accelerating voltag

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10

Tronc, E., and D. Bonnin. "Magnetic coupling among spinel iron oxide microparticles by Mössbauer spectroscopy." Journal de Physique Lettres 46, no. 10 (1985): 437–43. http://dx.doi.org/10.1051/jphyslet:019850046010043700.

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11

Rodríguez, Cristian F., Paula Guzmán-Sastoque, Carolina Muñoz-Camargo, Luis H. Reyes, Johann F. Osma, and Juan C. Cruz. "Enhancing Magnetic Micro- and Nanoparticle Separation with a Cost-Effective Microfluidic Device Fabricated by Laser Ablation of PMMA." Micromachines 15, no. 8 (2024): 1057. http://dx.doi.org/10.3390/mi15081057.

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Superparamagnetic iron oxide micro- and nanoparticles have significant applications in biomedical and chemical engineering. This study presents the development and evaluation of a novel low-cost microfluidic device for the purification and hyperconcentration of these magnetic particles. The device, fabricated using laser ablation of polymethyl methacrylate (PMMA), leverages precise control over fluid dynamics to efficiently separate magnetic particles from non-magnetic ones. We assessed the device’s performance through Multiphysics simulations and empirical tests, focusing on the separation of

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12

Havelka, Ondřej, Martin Cvek, Michal Urbánek, et al. "On the Use of Laser Fragmentation for the Synthesis of Ligand-Free Ultra-Small Iron Nanoparticles in Various Liquid Environments." Nanomaterials 11, no. 6 (2021): 1538. http://dx.doi.org/10.3390/nano11061538.

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Traditionally, the synthesis of nanomaterials in the ultra-small size regime (1–3 nm diameter) has been linked with the employment of excessive amounts of hazardous chemicals, inevitably leading to significant environmentally detrimental effects. In the current work, we demonstrate the potential of laser fragmentation in liquids (LFL) to produce highly pure and stable iron ultra-small nanoparticles. This is carried out by reducing the size of carbonyl iron microparticles dispersed in various polar solvents (water, ethanol, ethylene glycol, polyethylene glycol 400) and liquid nitrogen. The expl

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13

Knoche Gupta, Krysti, Heung Chan Lee, Joshua Richard Coduto, and Johna Leddy. "(Invited) Glassy Carbon Electrodes Modified with Micromagnets: Magnetoelectrocatalysis of HER." ECS Meeting Abstracts MA2022-02, no. 30 (2022): 1112. http://dx.doi.org/10.1149/ma2022-02301112mtgabs.

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Electrode kinetics for the hydrogen evolution reaction (HER) on glassy carbon electrodes are inherently slow. Voltammetric responses are marked by large overpotentials η and small exchange current densities j0. HER rates are markedly increased on glassy carbon electrodes modified with composites of Nafion® and siloxane coated micromagnets. Comparison of linear sweep voltammograms of glassy carbon electrodes modified with either Nafion films or composites of magnetized iron oxide microparticles identifies enhanced HER rates where magnetic gradients are established. For magnetized 1 𝜇m γ-Fe2O3 m

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14

Rafieepour, Athena, Mansour R. Azari, Habibollah Peirovi, et al. "Investigation of the effect of magnetite iron oxide particles size on cytotoxicity in A549 cell line." Toxicology and Industrial Health 35, no. 11-12 (2019): 703–13. http://dx.doi.org/10.1177/0748233719888077.

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Introduction: Magnetite as iron oxide is widely used in various industries, in the pharmaceutical industry in particular where it is used for its magnetic properties. The environmental and occupational exposure to airborne nanoparticles and microparticles of iron oxide compounds have been reported. Since authors have reported contradictory results, the objective of this study was to investigate the effect of particles’ size in their toxicities. Methods: The human cell line A549 was exposed with magnetite iron oxide in two size categories of micro (≥5 µm) and nano (<100 nm), with four concen

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15

Amara, Daniel, and Shlomo Margel. "Synthesis and characterization of elemental iron and iron oxide nano/microcomposite particles by thermal decomposition of ferrocene." Nanotechnology Reviews 2, no. 3 (2013): 333–57. http://dx.doi.org/10.1515/ntrev-2012-0061.

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AbstractThe unique chemical and physical properties of the nano and microscale materials have led to important roles in the several scientific and technological fields. The magnetic nano/microparticles are of great interest because of its potential applications in, e.g., hyperthermia, magnetic resonance imaging (MRI), catalytic applications, etc. The decomposition of iron pentacarbonyl is one of the most common methods for the preparation of magnetic iron oxide and iron nanoparticles. However, Fe(CO)5 is severely toxic and alternative precursors should be used. Here, we describe the recent adv

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16

Mel’nikov, G. Yu, L. M. Ranero, A. P. Safronov, A. Larrañaga, A. V. Svalov, and G. V. Kurlyandskaya. "Epoxy Composites with Iron Oxide Microparticles: Model Materials for Magnetic Detection." Physics of Metals and Metallography 123, no. 11 (2022): 1075–83. http://dx.doi.org/10.1134/s0031918x22601330.

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17

Dalzon, Torres, Reymond, et al. "Influences of Nanoparticles Characteristics on the Cellular Responses: The Example of Iron Oxide and Macrophages." Nanomaterials 10, no. 2 (2020): 266. http://dx.doi.org/10.3390/nano10020266.

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Iron oxide nanoparticles/microparticles are widely present in a variety of environments, e.g., as a byproduct of steel and iron degradation, as, for example, in railway brakes (e.g., metro station) or in welding fumes. As all particulate material, these metallic nanoparticles are taken up by macrophages, a cell type playing a key role in the innate immune response, including pathogen removal phagocytosis, secretion of free radical species such as nitric oxide or by controlling inflammation via cytokine release. In this paper, we evaluated how macrophages functions were altered by two iron base

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18

Dresvyannikov, A. F., L. E. Kalugin, M. M. Mironov, and M. F. Shaekhov. "Influence of plasma high-frequency induction discharge on the physical and chemical properties of the Ti – Fe – Ni dispersed system obtained by the electrochemical method." Physics and Chemistry of Materials Treatment 4 (2022): 15–22. http://dx.doi.org/10.30791/0015-3214-2022-4-15-22.

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The Ti – Fe – Ni dispersed system was synthesized by the method of contact exchange on the surface of dispersed titanium in an aqueous chloride-containing solution of iron and nickel. The morphology and composition of the surface, as well as the actual phase composition of the Ti – Fe – Ni dispersed system before and after plasma treatment, have been studied by X-ray phase analysis, scanning electron microscopy and Auger spectroscopy. It is shown that on the surface of titanium microparticles, separate spherical subindividuals and their agglomerates are formed, characterized by nanosizes (100

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19

Thébault, C., M. Marmiesse, C. Naud, et al. "Magneto-mechanical treatment of human glioblastoma cells with engineered iron oxide powder microparticles for triggering apoptosis." Nanoscale Advances 3, no. 21 (2021): 6213–22. http://dx.doi.org/10.1039/d1na00461a.

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In this work we present a new type of magnetite microparticles made by ball milling and study the influence of PEG surface functionalization on their ability to induce cell death when subjected to a low frequency magnetic field.

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20

Pipíška, Martin, Simona Zarodňanská, Miroslav Horník, Libor Ďuriška, Marián Holub, and Ivo Šafařík. "Magnetically Functionalized Moss Biomass as Biosorbent for Efficient Co2+ Ions and Thioflavin T Removal." Materials 13, no. 16 (2020): 3619. http://dx.doi.org/10.3390/ma13163619.

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Microwave synthesized iron oxide nanoparticles and microparticles were used to prepare a magnetically responsive biosorbent from Rhytidiadelphus squarrosus moss for the rapid and efficient removal of Co2+ ions and thioflavin T (TT). The biocomposite was extensively characterized using Fourier transformed infrared (FTIR), XRD, SEM, and EDX techniques. The magnetic biocomposite showed very good adsorption properties toward Co2+ ions and TT e.g., rapid kinetics, high adsorption capacity (218 μmol g−1 for Co and 483 μmol g−1 for TT), fast magnetic separation, and good reusability in four successiv

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21

Medina, Christian D., Leonardo A. F. Mendoza, Cleânio Luz-Lima, Antonio C. Bruno, and Jefferson F. D. F. Araujo. "Measuring Iron Oxide Composites with a Custom-Made Scanning Magnetic Microscope." Sensors 25, no. 8 (2025): 2594. https://doi.org/10.3390/s25082594.

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We improved a scanning magnetic microscope built previously by adding a new detection system and the capability of mapping samples applying magnetic fields from −500 mT to +500 mT. The mechanical structure was also enhanced to decrease vibrations of the system in the earth’s magnetic field. The microscope is based on a differential arrangement of two Hall effect elements. The overall system presented a sensitivity of about 850 nTrms√Hz, and it was calibrated using a 99% pure nickel sphere. The system achieved a magnetic moment sensitivity of the order of 10 nAm2. All equipment used for operati

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SMIRNOV, V. M., G. P. VORONKOV, V. G. SEMENOV, V. G. POVAROV, and I. V. MURIN. "MÖSSBAUER STUDY OF STRUCTURAL–CHEMICAL TRANSFORMATION IN TWO-DIMENSIONAL IRON–OXYGEN NANOSTRUCTURES IN THE COURSE OF TRANSPORT REDUCTION." Surface Review and Letters 07, no. 01n02 (2000): 1–6. http://dx.doi.org/10.1142/s0218625x00000026.

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Structural–chemical transformations of quasi-two-dimensional iron–oxygen nanostructures occurring at transport reduction were studied using NGR spectroscopy. It has been found that isolated iron–oxygen groups [i.e. groups containing iron and oxygen atoms: ≡Si–O–Fe(OH)2 and (≡Si–O–)2–FeOH] forming surface monolayers were not reduced at T = 400–600° C because of their covalent bonding with the silica surface. Reduction of iron oxide microparticles (microstructures) at T ≥ 600°C C resulted in the formation of metal iron in the form of α-Fe. It has been revealed that in the course of transport red

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23

Chistè, Elena, Gloria Ischia, Marco Gerosa, Pasquina Marzola, Marina Scarpa, and Nicola Daldosso. "Porous Si Microparticles Infiltrated with Magnetic Nanospheres." Nanomaterials 10, no. 3 (2020): 463. http://dx.doi.org/10.3390/nano10030463.

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Porous silicon (pSi) microparticles obtained by porosification of crystalline silicon wafers have unique optical properties that, together with biodegradability, biocompatibility and absence of immunogenicity, are fundamental characteristics to candidate them as tracers in optical imaging techniques and as drug carriers. In this work, we focus on the possibility to track down the pSi microparticles also by MRI (magnetic resonance imaging), thus realizing a comprehensive tool for theranostic applications, i.e., the combination of therapy and diagnostics. We have developed and tested an easy, qu

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24

Pospiskova, K., G. Prochazkova, and I. Safarik. "One-step magnetic modification of yeast cells by microwave-synthesized iron oxide microparticles." Letters in Applied Microbiology 56, no. 6 (2013): 456–61. http://dx.doi.org/10.1111/lam.12069.

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Möller, Winfried, Gerhard Scheuch, Knut Sommerer та Joachim Heyder. "Preparation of spherical monodisperse ferrimagnetic iron-oxide microparticles between 1 and 5μm diameter". Journal of Magnetism and Magnetic Materials 225, № 1-2 (2001): 8–16. http://dx.doi.org/10.1016/s0304-8853(00)01221-x.

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Katsnelson, Boris A., Larisa I. Privalova, Sergey V. Kuzmin, et al. "An Approach to Tentative Reference Levels Setting for Nanoparticles in the Workroom Air Based on Comparing Their Toxicity with That of Their Micrometric Counterparts: A Case Study of Iron Oxide Fe3O4." ISRN Nanotechnology 2012 (August 7, 2012): 1–12. http://dx.doi.org/10.5402/2012/143613.

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We overview the state of the art in the field of safe exposure levels setting for nanomaterials together with the previously published results of our experimental investigations characterizing comparative toxicity of the iron oxide (magnetite) in the form of microparticles and nanoparticles of different size and comparative activity of the defensive alveolar phagocytosis response to their pulmonary deposition. An approach to the substantiation of acceptable workplace exposure limits of metallic nanoparticles is discussed and, specifically, the tentative reference level for magnetite nanopartic

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Oliveira, João Pedro Jenson de, Acelino Cardoso de Sá, and Leonardo Lataro Paim. "Electrocatalysis of Ethanol and Methanol Electrooxidation by Composite Electrodes with NiOOH/FeOOH Supported on Reduced Graphene Oxide onto Composite Electrodes." Chemistry Proceedings 2, no. 1 (2020): 2. http://dx.doi.org/10.3390/eccs2020-07523.

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This paper presents graphite/paraffin composite electrodes modified with microparticles of nickel (Ni) and Ni-Fe alloy anchored in reduced graphene oxide (rGO); these electrodes were made by electrosynthesis. Firstly, the electrodeposition of reduced graphene oxide was made by cyclic voltammetry (CV) onto the graphite/paraffin electrodes’ surface. After electrodeposition of the rGO, iron and nickel were electrodeposited by CV with successive scans. Finally, the formation of iron-nickel oxyhydroxide on the electrode surface was performed by cyclic voltammetry in alkaline medium. The composites

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Dolmatov, Arthur V., Sergey S. Maklakov, Anastasia V. Artemova, Dmitry A. Petrov, Artem O. Shiryaev, and Andrey N. Lagarkov. "Deposition of Thick SiO2 Coatings to Carbonyl Iron Microparticles for Thermal Stability and Microwave Performance." Sensors 23, no. 3 (2023): 1727. http://dx.doi.org/10.3390/s23031727.

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Thick dielectric SiO2 shells on the surface of iron particles enhance the thermal and electrodynamic parameters of the iron. A technique to deposit thick, 500-nm, SiO2 shell to the surface of carbonyl iron (CI) particles was developed. The method consists of repeated deposition of SiO2 particles with air drying between iterations. This method allows to obtain thick dielectric shells up to 475 nm on individual CI particles. The paper shows that a thick SiO2 protective layer reduces the permittivity of the ‘Fe-SiO2—paraffin’ composite in accordance with the Maxwell Garnett medium theory. The pro

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Murashova, Nataliya M., Ayuna A. Dambieva, and Evgeniy V. Yurtov. "EFFECT OF NANO- AND MICROPARTICLES OF IRON (III) OXIDE ON VISCOSITY OF LAMELLAR LIQUID CRYSTALS OF LECITHIN." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 59, no. 5 (2018): 41. http://dx.doi.org/10.6060/tcct.20165905.5330.

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The addition of low concentrations (0.001 – 0.1 wt. %) of iron (III) oxide nanoparticles with diameter of 10-20 nm was shown to result in the increase in a viscosity of lamellar liquid crystals in the systems of lecithin – water and lecithin – dodecane – water by 35-60% and 15-20%, respectively, whereas the addition of 1-5 µm microparticles does not affect the viscosity. An increase in a viscosity of the liquid crystals with the growth of the nanoparticles concentration from 0.001 to 0.1 wt. % is observed. It is assumed that the nanoparticles act as "bridges" between the bilayers of the lamell

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McAteer, Martina A., Nicola R. Sibson, Constantin von zur Muhlen, et al. "In vivo magnetic resonance imaging of acute brain inflammation using microparticles of iron oxide." Nature Medicine 13, no. 10 (2007): 1253–58. http://dx.doi.org/10.1038/nm1631.

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Zhu, Yeqing, You Ling, Jinglian Zhong, Xueguo Liu, Kun Wei, and Suiqiao Huang. "Magnetic resonance imaging of radiation-induced brain injury using targeted microparticles of iron oxide." Acta Radiologica 53, no. 7 (2012): 812–19. http://dx.doi.org/10.1258/ar.2012.120040.

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Xu, Chenjie, David Miranda-Nieves, James A. Ankrum, et al. "Tracking Mesenchymal Stem Cells with Iron Oxide Nanoparticle Loaded Poly(lactide-co-glycolide) Microparticles." Nano Letters 12, no. 8 (2012): 4131–39. http://dx.doi.org/10.1021/nl301658q.

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Yan, Fei, Wei Yang, Xiang Li, et al. "Magnetic Resonance Imaging of Atherosclerosis Using CD81-Targeted Microparticles of Iron Oxide in Mice." BioMed Research International 2015 (July 21, 2015): 1–10. http://dx.doi.org/10.1155/2015/758616.

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The goal of this study is to investigate the feasibility of using CD81- (Cluster of Differentiation 81 protein-) targeted microparticles of iron oxide (CD81-MPIO) for magnetic resonance imaging (MRI) of the murine atherosclerosis. CD81-MPIO and IgG- (Immunoglobulin G-) MPIO were prepared by covalently conjugating, respectively, with anti-CD81 monoclonal and IgG antibodies to the surface of the tosyl activated MPIO. The relevant binding capability of the MPIO was examined by incubating them with murine bEnd.3 cells stimulated with phenazine methosulfate (PMS) and its effect in shortening T2 rel

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Reibenspies, Joseph H., and Nattamai Bhuvanesh. "X-ray powder diffraction characterization of iron microparticles on a Bruker SMART1000 single-crystal X-ray diffractometer." Powder Diffraction 24, no. 4 (2009): 347–50. http://dx.doi.org/10.1154/1.3257614.

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A method to characterize iron oxide microparticles by microquantity X-ray powder diffraction is presented. The method employs small sections of acrylic tubing and double sided Mylar® tape that fits over a standard 170 mm collimator for a Bruker-AXS SMART 1000 or APEXII three-circle single-crystal diffractometer (Mo X-ray tube). The tubing will hold and position a sample that is placed on the double-sided Mylar® tape and allow for rapid specimen mounting/dismounting and data collection. The method is simple, portable, and readily adapted to a variety of single-crystal X-ray diffractometers.

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Kothari, Manisha S., Ashraf Aly Hassan, and Kosha A. Shah. "Three-Dimensional Electrochemical Oxidation of Recalcitrant Dye Using Green Iron Microparticles." Water 13, no. 14 (2021): 1925. http://dx.doi.org/10.3390/w13141925.

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This study evaluated the effect of the addition of green iron microparticles (Fe-MPs) as a three-dimensional electrode on efficiency of the electrochemical oxidation process. Polyphenols present in green tea extract act as a reducing and capping agent during green synthesis of the Fe-MPs. Scanning electron microscopy and energy-dispersive X-ray spectroscopy analysis indicates that the average size of particles is 100 µm, with about ~47 wt % of Fe in oxide form. The addition of Fe-MPs as a third electrode in the conventional electro-oxidation (EO) process converts it into a three-dimensional (3

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Thayse, Kathleen, Nadège Kindt, Sophie Laurent, and Stéphane Carlier. "VCAM-1 Target in Non-Invasive Imaging for the Detection of Atherosclerotic Plaques." Biology 9, no. 11 (2020): 368. http://dx.doi.org/10.3390/biology9110368.

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Atherosclerosis is a progressive chronic arterial disease characterised by atheromatous plaque formation in the intima of the arterial wall. Several invasive and non-invasive imaging techniques have been developed to detect and characterise atherosclerosis in the vessel wall: anatomic/structural imaging, functional imaging and molecular imaging. In molecular imaging, vascular cell adhesion molecule-1 (VCAM-1) is a promising target for the non-invasive detection of atherosclerosis and for the assessment of novel antiatherogenic treatments. VCAM-1 is an adhesion molecule expressed on the activat

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Bai, Meng-Yi, Mu-Hsien Yu, Ting-Teng Wang, Shiu-Hsin Chen, and Yu-Chi Wang. "Plate-like Alginate Microparticles with Disulfiram–SPIO–Coencapsulation: An In Vivo Study for Combined Therapy on Ovarian Cancer." Pharmaceutics 13, no. 9 (2021): 1348. http://dx.doi.org/10.3390/pharmaceutics13091348.

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Disulfiram is a drug used to support the treatment of chronic alcoholism. Recently, it has been found to have an off-label ability to inhibit the growth of ovarian cancer cells. However, the original formulation was designed for use via oral administration, which is not suitable to be given by a direct spray on the affected area. Therefore, in this study, we designed and prepared alginate (ALG) microparticles loaded with disulfiram and superparamagnetic iron oxide (cross-linking disulfiram/SPIO/ALG MPs), which have great potential application for inhibiting the growth of ovarian cancer simulta

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Araújo, Jefferson F. D. F., João M. B. Pereira, and Antônio C. Bruno. "Assembling a magnetometer for measuring the magnetic propertiesof iron oxide microparticles in the classroom laboratory." American Journal of Physics 87, no. 6 (2019): 471–75. http://dx.doi.org/10.1119/1.5100944.

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Wassel, Ronald A., Brian Grady, Richard D. Kopke, and Kenneth J. Dormer. "Dispersion of super paramagnetic iron oxide nanoparticles in poly(d,l-lactide-co-glycolide) microparticles." Colloids and Surfaces A: Physicochemical and Engineering Aspects 292, no. 2-3 (2007): 125–30. http://dx.doi.org/10.1016/j.colsurfa.2006.06.012.

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Möller, Winfried Barth, Martin Kohl, Winfried. "HUMAN ALVEOLAR LONG-TERM CLEARANCE OF FERROMAGNETIC IRON OXIDE MICROPARTICLES IN HEALTHY AND DISEASED SUBJECTS." Experimental Lung Research 27, no. 7 (2001): 547–68. http://dx.doi.org/10.1080/019021401753181827.

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Tewes, Frederic, Carsten Ehrhardt, and Anne Marie Healy. "Superparamagnetic iron oxide nanoparticles (SPIONs)-loaded Trojan microparticles for targeted aerosol delivery to the lung." European Journal of Pharmaceutics and Biopharmaceutics 86, no. 1 (2014): 98–104. http://dx.doi.org/10.1016/j.ejpb.2013.09.004.

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Yassine, O., E. Q. Li, A. Alfadhel, et al. "Magnetically Triggered Monodispersed Nanocomposite Fabricated by Microfluidic Approach for Drug Delivery." International Journal of Polymer Science 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/1219469.

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Responsive microgel poly(N-isopropylacrylamide) or PNIPAM is a gel that can swell or shrink in response to external stimuli (temperature, pH, etc.). In this work, a nanocomposite gel is developed consisting of PNIPAM and magnetic iron oxide nanobeads for controlled release of liquids (like drugs) upon exposure to an alternating magnetic field. Microparticles of the nanocomposite are fabricated efficiently with a monodisperse size distribution and a diameter ranging from 20 to 500 µm at a rate of up to 1 kHz using a simple and inexpensive microfluidic system. The nanocomposite is heated through

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Król, Jarosƚaw E., and Garth D. Ehrlich. "Using SMART Magnetic Fluids and Gels for Prevention and Destruction of Bacterial Biofilms." Microorganisms 11, no. 6 (2023): 1515. http://dx.doi.org/10.3390/microorganisms11061515.

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Biofouling is a major problem in all natural and artificial settings where solid surfaces meet liquids in the presence of living microorganisms. Microbes attach to the surface and form a multidimensional slime that protects them from unfavorable environments. These structures, known as biofilms, are detrimental and very hard to remove. Here, we used SMART magnetic fluids [ferrofluids (FFs), magnetorheological fluids (MRFs), and ferrogels (FGs) containing iron oxide nano/microparticles] and magnetic fields to remove bacterial biofilms from culture tubes, glass slides, multiwell plates, flow cel

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Мельников, Г. Ю., В. Н. Лепаловский та Г. В. Курляндская. "Магнитный импеданс пленочных наноструктур для оценки полей рассеяния микрочастиц магнитных композитов". Журнал технической физики 92, № 2 (2022): 321. http://dx.doi.org/10.21883/jtf.2022.02.52024.259-21.

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Longitudinal giant magnetoimpedance effect of [Fe21Ni79/Cu]5/Cu/[Fe21Ni79/Cu]5 film element was investigated depends on stray magnetic field of epoxy magnetic composite with 30 % weight concentration of iron oxide magnetic microparticles. Configuration of an experiment was a model of thrombus detection in a blood vessel. Stray magnetic field was varied by movement of a magnetic composite above the element perpendicular to the long side. Composite was either magnetized or not to the state of remanence. As the magnetic composite approaches the GMI element, MI ratio curves are smoothed and shifte

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Мельников, Г. Ю., В. Н. Лепаловский, А. П. Сафронов та ін. "Магнитные композиты на основе эпоксидной смолы с магнитными микро- и наночастицами оксида железа: фокус на магнитное детектирование". Физика твердого тела 65, № 7 (2023): 1100. http://dx.doi.org/10.21883/ftt.2023.07.55829.22h.

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Magnetic and structural properties iron oxide micro- and nanoparticles and composites based on epoxy resin at different mass concentrations of particles are investigated (0, 5, 10, 30%). Commercial Alfa Aesar microparticles and nanoparticles obtained by electric explosion of wire with different dispersion parameters were compared. Magnetoimpedance detection of stray magnetic fields of the obtained composites in the form of cylinders using a strip multilayer film element [FeNi/Cu]5/Cu/[FeNi/Cu]5 was carried out. It is shown that it is possible to determine the position of filled magnetic compos

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Ratajczak, Filip, Bassam Jameel, Rafał Bielas, and Arkadiusz Józefczak. "Ultrasound Control of Pickering Emulsion-Based Capsule Preparation." Sensors 24, no. 17 (2024): 5710. http://dx.doi.org/10.3390/s24175710.

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Capsules with microparticle shells became of great interest due to their potential in many fields. Those capsules can be fabricated at high temperatures from particle-stabilized emulsions (Pickering emulsions) by sintering together particles that cover droplets. One of the problems with such an approach is accurately controlling whether particles are already sintered and creating the rigid capsule shell of a capsule. Here, we propose using a non-destructive ultrasound method for monitoring Pickering emulsion-based capsules prepared using heating under an alternating magnetic field. The polyeth

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Melnikov G. Yu., Lepalovskij V. N., and Kurlyandskaya G. V. "Magnetic impedance of film nanostructures for stray magnetic field evaluation of microparticles in magnetic composites." Technical Physics 92, no. 2 (2022): 266. http://dx.doi.org/10.21883/tp.2022.02.52958.259-21.

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Longitudinal giant magnetoimpedance effect of [Fe21Ni79/Cu]5/Cu/[Fe21Ni79/Cu]5 film element was investigated depends on stray magnetic field of epoxy magnetic composite with 30% weight concentration of iron oxide magnetic microparticles. Configuration of an experiment was a model of thrombus detection in a blood vessel. Stray magnetic field was varied by movement of a magnetic composite above the element perpendicular to the long side. Composite was either magnetized or not to the state of remanence. As the magnetic composite approaches the GMI element, MI ratio curves are smoothed and shifted

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Dinislamova, Olga A., Antonina V. Bugayova, Tatyana F. Shklyar, Alexander P. Safronov, and Felix A. Blyakhman. "Echogenic Advantages of Ferrogels Filled with Magnetic Sub-Microparticles." Bioengineering 8, no. 10 (2021): 140. http://dx.doi.org/10.3390/bioengineering8100140.

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Ultrasonic imaging of ferrogels (FGs) filled with magnetic nanoparticles does not reflect the inner structure of FGs due to the small size of particles. To determine whether larger particle size would improve the acoustic properties of FGs, biocompatible hydrogels filled with 100–400 nm iron oxide magnetic sub-microparticles with weight fraction up to 23.3% were synthesized and studied. Polymeric networks of synthesized FGs were comprised of chemically cross-linked polyacrylamide with interpenetrating physical network of natural polysaccharide—Guar or Xanthan. Cylindrical samples approximately

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Yan, Fei, Wei Yang, Xiang Li, et al. "Erratum to “Magnetic Resonance Imaging of Atherosclerosis Using CD81-Targeted Microparticles of Iron Oxide in Mice”." BioMed Research International 2018 (October 18, 2018): 1–2. http://dx.doi.org/10.1155/2018/8093438.

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Al Faraj, Achraf, Florence Gazeau, Claire Wilhelm, et al. "Endothelial Cell–derived Microparticles Loaded with Iron Oxide Nanoparticles: Feasibility of MR Imaging Monitoring in Mice." Radiology 263, no. 1 (2012): 169–78. http://dx.doi.org/10.1148/radiol.11111329.

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