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Araújo EV, Carneiro SV, Neto DMA, Freire TM, Costa VM, Freire RM, Fechine LMUD, Clemente CS, Denardin JC, Dos Santos JCS, Santos-Oliveira R, Rocha JS, Fechine PBA. Advances in surface design and biomedical applications of magnetic nanoparticles. Adv Colloid Interface Sci 2024; 328:103166. [PMID: 38728773 DOI: 10.1016/j.cis.2024.103166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 04/13/2024] [Accepted: 04/27/2024] [Indexed: 05/12/2024]
Abstract
Despite significant efforts by scientists in the development of advanced nanotechnology materials for smart diagnosis devices and drug delivery systems, the success of clinical trials remains largely elusive. In order to address this biomedical challenge, magnetic nanoparticles (MNPs) have gained attention as a promising candidate due to their theranostic properties, which allow the simultaneous treatment and diagnosis of a disease. Moreover, MNPs have advantageous characteristics such as a larger surface area, high surface-to-volume ratio, enhanced mobility, mass transference and, more notably, easy manipulation under external magnetic fields. Besides, certain magnetic particle types based on the magnetite (Fe3O4) phase have already been FDA-approved, demonstrating biocompatible and low toxicity. Typically, surface modification and/or functional group conjugation are required to prevent oxidation and particle aggregation. A wide range of inorganic and organic molecules have been utilized to coat the surface of MNPs, including surfactants, antibodies, synthetic and natural polymers, silica, metals, and various other substances. Furthermore, various strategies have been developed for the synthesis and surface functionalization of MNPs to enhance their colloidal stability, biocompatibility, good response to an external magnetic field, etc. Both uncoated MNPs and those coated with inorganic and organic compounds exhibit versatility, making them suitable for a range of applications such as drug delivery systems (DDS), magnetic hyperthermia, fluorescent biological labels, biodetection and magnetic resonance imaging (MRI). Thus, this review provides an update of recently published MNPs works, providing a current discussion regarding their strategies of synthesis and surface modifications, biomedical applications, and perspectives.
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Affiliation(s)
- E V Araújo
- Advanced Chemistry Materials Group (GQMat)- Analytical Chemistry and Physical Chemistry Department, Federal Unversity of Ceará, - UFC, Campus do Pici, CP 12100, 60451-970 Fortaleza, CE, Brazil.
| | - S V Carneiro
- Advanced Chemistry Materials Group (GQMat)- Analytical Chemistry and Physical Chemistry Department, Federal Unversity of Ceará, - UFC, Campus do Pici, CP 12100, 60451-970 Fortaleza, CE, Brazil.
| | - D M A Neto
- Advanced Chemistry Materials Group (GQMat)- Analytical Chemistry and Physical Chemistry Department, Federal Unversity of Ceará, - UFC, Campus do Pici, CP 12100, 60451-970 Fortaleza, CE, Brazil.
| | - T M Freire
- Advanced Chemistry Materials Group (GQMat)- Analytical Chemistry and Physical Chemistry Department, Federal Unversity of Ceará, - UFC, Campus do Pici, CP 12100, 60451-970 Fortaleza, CE, Brazil.
| | - V M Costa
- Advanced Chemistry Materials Group (GQMat)- Analytical Chemistry and Physical Chemistry Department, Federal Unversity of Ceará, - UFC, Campus do Pici, CP 12100, 60451-970 Fortaleza, CE, Brazil.
| | - R M Freire
- Universidad Central de Chile, Santiago 8330601, Chile.
| | - L M U D Fechine
- Advanced Chemistry Materials Group (GQMat)- Analytical Chemistry and Physical Chemistry Department, Federal Unversity of Ceará, - UFC, Campus do Pici, CP 12100, 60451-970 Fortaleza, CE, Brazil.
| | - C S Clemente
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza, CE 60440-900, Brazil.
| | - J C Denardin
- Physics Department and CEDENNA, University of Santiago of Chile (USACH), Santiago 9170124, Chile.
| | - J C S Dos Santos
- Engineering and Sustainable Development Institute, International Afro-Brazilian Lusophone Integration University, Campus das Auroras, Redenção 62790970, CE, Brazil; Chemical Engineering Department, Federal University of Ceará, Campus do Pici, Bloco 709, Fortaleza 60455760, CE, Brazil.
| | - R Santos-Oliveira
- Brazilian Nuclear Energy Commission, Nuclear Engineering Institute, Laboratory of Nanoradiopharmacy and Synthesis of Novel Radiopharmaceuticals, R. Helio de Almeida, 75, Rio de Janeiro 21941906, RJ, Brazil; Zona Oeste State University, Laboratory of Nanoradiopharmacy, Av Manuel Caldeira de Alvarenga, 1203, Campo Grande 23070200, RJ, Brazil.
| | - Janaina S Rocha
- Industrial Technology and Quality Center of Ceará, R. Prof. Rômulo Proença, s/n - Pici, 60440-552 Fortaleza, CE, Brazil.
| | - P B A Fechine
- Advanced Chemistry Materials Group (GQMat)- Analytical Chemistry and Physical Chemistry Department, Federal Unversity of Ceará, - UFC, Campus do Pici, CP 12100, 60451-970 Fortaleza, CE, Brazil.
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Fernández-Gómez P, Pérez de la Lastra Aranda C, Tosat-Bitrián C, Bueso de Barrio JA, Thompson S, Sot B, Salas G, Somoza Á, Espinosa A, Castellanos M, Palomo V. Nanomedical research and development in Spain: improving the treatment of diseases from the nanoscale. Front Bioeng Biotechnol 2023; 11:1191327. [PMID: 37545884 PMCID: PMC10401050 DOI: 10.3389/fbioe.2023.1191327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/23/2023] [Indexed: 08/08/2023] Open
Abstract
The new and unique possibilities that nanomaterials offer have greatly impacted biomedicine, from the treatment and diagnosis of diseases, to the specific and optimized delivery of therapeutic agents. Technological advances in the synthesis, characterization, standardization, and therapeutic performance of nanoparticles have enabled the approval of several nanomedicines and novel applications. Discoveries continue to rise exponentially in all disease areas, from cancer to neurodegenerative diseases. In Spain, there is a substantial net of researchers involved in the development of nanodiagnostics and nanomedicines. In this review, we summarize the state of the art of nanotechnology, focusing on nanoparticles, for the treatment of diseases in Spain (2017-2022), and give a perspective on the future trends and direction that nanomedicine research is taking.
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Affiliation(s)
- Paula Fernández-Gómez
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
| | - Carmen Pérez de la Lastra Aranda
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
- Centro de Investigaciones Biológicas Margarita Salas-CSIC, Madrid, Spain
| | - Carlota Tosat-Bitrián
- Centro de Investigaciones Biológicas Margarita Salas-CSIC, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
| | | | - Sebastián Thompson
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
| | - Begoña Sot
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Unidad de Innovación Biomédica, Madrid, Spain
- Advanced Therapies Unit, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJ UAM), Madrid, Spain
| | - Gorka Salas
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
- Unidad Asociada al Centro Nacional de Biotecnología (CSIC), Madrid, Spain
| | - Álvaro Somoza
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
- Unidad Asociada al Centro Nacional de Biotecnología (CSIC), Madrid, Spain
| | - Ana Espinosa
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
- Instituto de Ciencia de Materiales de Madrid, ICMM-CSIC, Madrid, Spain
| | - Milagros Castellanos
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
| | - Valle Palomo
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nanociencia), Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Unidad Asociada al Centro Nacional de Biotecnología (CSIC), Madrid, Spain
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Del Bianco L, Spizzo F, Yang Y, Greco G, Gatto ML, Barucca G, Pugno NM, Motta A. Silk fibroin films with embedded magnetic nanoparticles: evaluation of the magneto-mechanical stimulation effect on osteogenic differentiation of stem cells. NANOSCALE 2022; 14:14558-14574. [PMID: 36149382 DOI: 10.1039/d2nr03167a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
We report about a biomaterial in the form of film ∼10 μm thick, consisting of a silk fibroin matrix with embedded iron oxide superparamagnetic nanoparticles, for prospective applications as bioactive coating in regenerative medicine. Films with different load of magnetic nanoparticles are produced (nanoparticles/silk fibroin nominal ratio = 5, 0.5 and 0 wt%) and the structural, mechanical and magnetic properties are studied. The nanoparticles form aggregates in the silk fibroin matrix and the film stiffness, as tested by nanoindentation, is spatially inhomogeneous, but the protein structure is not altered. In vitro biological tests are carried out on human bone marrow-derived mesenchymal stem cells cultured on the films up to 21 days, with and without an applied static uniform magnetic field. The sample with the highest nanoparticles/silk fibroin ratio shows the best performance in terms of cell proliferation and adhesion. Moreover, it promotes a faster and better osteogenic differentiation, particularly under magnetic field, as indicated by the gene expression level of typical osteogenic markers. These findings are explained in light of the results of the physical characterization, combined with numerical calculations. It is established that the applied magnetic field triggers a virtuous magneto-mechanical mechanism in which dipolar magnetic forces between the nanoparticle aggregates give rise to a spatial distribution of mechanical stresses in the silk fibroin matrix. The film with the largest nanoparticle load, under cell culture conditions (i.e. in aqueous environment), undergoes matrix deformations large enough to be sensed by the seeded cells as mechanical stimuli favoring the osteogenic differentiation.
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Affiliation(s)
- Lucia Del Bianco
- Department of Physics and Earth Science, University of Ferrara, I-44122 Ferrara, Italy.
| | - Federico Spizzo
- Department of Physics and Earth Science, University of Ferrara, I-44122 Ferrara, Italy.
| | - Yuejiao Yang
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, I-38123 Trento, Italy.
| | - Gabriele Greco
- Laboratory for Bioinspired, Bionic, Nano, Meta, Materials & Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento, I-38123 Trento, Italy
| | - Maria Laura Gatto
- Department SIMAU, Università Politecnica delle Marche, I-60131 Ancona, Italy
| | - Gianni Barucca
- Department SIMAU, Università Politecnica delle Marche, I-60131 Ancona, Italy
| | - Nicola M Pugno
- Laboratory for Bioinspired, Bionic, Nano, Meta, Materials & Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento, I-38123 Trento, Italy
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK
| | - Antonella Motta
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, I-38123 Trento, Italy.
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Environmentally Toxic Solid Nanoparticles in Noradrenergic and Dopaminergic Nuclei and Cerebellum of Metropolitan Mexico City Children and Young Adults with Neural Quadruple Misfolded Protein Pathologies and High Exposures to Nano Particulate Matter. TOXICS 2022; 10:toxics10040164. [PMID: 35448425 PMCID: PMC9028025 DOI: 10.3390/toxics10040164] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/17/2022] [Accepted: 03/22/2022] [Indexed: 11/17/2022]
Abstract
Quadruple aberrant hyperphosphorylated tau, beta-amyloid, α-synuclein and TDP-43 neuropathology and metal solid nanoparticles (NPs) are documented in the brains of children and young adults exposed to Metropolitan Mexico City (MMC) pollution. We investigated environmental NPs reaching noradrenergic and dopaminergic nuclei and the cerebellum and their associated ultrastructural alterations. Here, we identify NPs in the locus coeruleus (LC), substantia nigrae (SN) and cerebellum by transmission electron microscopy (TEM) and energy-dispersive X-ray spectrometry (EDX) in 197 samples from 179 MMC residents, aged 25.9 ± 9.2 years and seven older adults aged 63 ± 14.5 years. Fe, Ti, Hg, W, Al and Zn spherical and acicular NPs were identified in the SN, LC and cerebellar neural and vascular mitochondria, endoplasmic reticulum, Golgi, neuromelanin, heterochromatin and nuclear pore complexes (NPCs) along with early and progressive neurovascular damage and cerebellar endothelial erythrophagocytosis. Strikingly, FeNPs 4 ± 1 nm and Hg NPs 8 ± 2 nm were seen predominantly in the LC and SN. Nanoparticles could serve as a common denominator for misfolded proteins and could play a role in altering and obstructing NPCs. The NPs/carbon monoxide correlation is potentially useful for evaluating early neurodegeneration risk in urbanites. Early life NP exposures pose high risk to brains for development of lethal neurologic outcomes. NP emissions sources ought to be clearly recognized, regulated, and monitored; future generations are at stake.
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Environmental Nanoparticles Reach Human Fetal Brains. Biomedicines 2022; 10:biomedicines10020410. [PMID: 35203619 PMCID: PMC8962421 DOI: 10.3390/biomedicines10020410] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/01/2022] [Accepted: 02/07/2022] [Indexed: 12/10/2022] Open
Abstract
Anthropogenic ultrafine particulate matter (UFPM) and industrial and natural nanoparticles (NPs) are ubiquitous. Normal term, preeclamptic, and postconceptional weeks(PCW) 8–15 human placentas and brains from polluted Mexican cities were analyzed by TEM and energy-dispersive X-ray spectroscopy. We documented NPs in maternal erythrocytes, early syncytiotrophoblast, Hofbauer cells, and fetal endothelium (ECs). Fetal ECs exhibited caveolar NP activity and widespread erythroblast contact. Brain ECs displayed micropodial extensions reaching luminal NP-loaded erythroblasts. Neurons and primitive glia displayed nuclear, organelle, and cytoplasmic NPs in both singles and conglomerates. Nanoscale Fe, Ti, and Al alloys, Hg, Cu, Ca, Sn, and Si were detected in placentas and fetal brains. Preeclamptic fetal blood NP vesicles are prospective neonate UFPM exposure biomarkers. NPs are reaching brain tissues at the early developmental PCW 8–15 stage, and NPs in maternal and fetal placental tissue compartments strongly suggests the placental barrier is not limiting the access of environmental NPs. Erythroblasts are the main early NP carriers to fetal tissues. The passage of UFPM/NPs from mothers to fetuses is documented and fingerprinting placental single particle composition could be useful for postnatal risk assessments. Fetal brain combustion and industrial NPs raise medical concerns about prenatal and postnatal health, including neurological and neurodegenerative lifelong consequences.
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Curcio A, Van de Walle A, Péchoux C, Abou-Hassan A, Wilhelm C. In Vivo Assimilation of CuS, Iron Oxide and Iron Oxide@CuS Nanoparticles in Mice: A 6-Month Follow-Up Study. Pharmaceutics 2022; 14:179. [PMID: 35057074 PMCID: PMC8780448 DOI: 10.3390/pharmaceutics14010179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 11/19/2022] Open
Abstract
Nanoparticles (NPs) are at the leading edge of nanomedicine, and determining their biosafety remains a mandatory precondition for biomedical applications. Herein, we explore the bioassimilation of copper sulfide NPs reported as powerful photo-responsive anticancer therapeutic agents. The nanoparticles investigated present a hollow shell morphology, that can be left empty (CuS NPs) or be filled with an iron oxide flower-like core (iron oxide@CuS NPs), and are compared with the iron oxide nanoparticles only (iron oxide NPs). CuS, iron oxide@CuS and iron oxide NPs were injected in 6-week-old mice, at doses coherent with an antitumoral treatment. Cu and Fe were quantified in the liver, spleen, kidneys, and lungs over 6 months, including the control animals, thus providing endogenous Cu and Fe levels in the first months after animal birth. After intravenous NPs administration, 77.0 ± 3.9% of the mass of Cu injected, and 78.6 ± 3.8% of the mass of Fe, were detected in the liver. In the spleen, we found 3.3 ± 0.6% of the injected Cu and 3.8 ± 0.6% for the Fe. No negative impact was observed on organ weight, nor on Cu or Fe homeostasis in the long term. The mass of the two metals returned to the control values within three months, a result that was confirmed by transmission electron microscopy and histology images. This bioassimilation with no negative impact comforts the possible translation of these nanomaterials into clinical practice.
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Affiliation(s)
- Alberto Curcio
- Laboratoire Physico Chimie Curie, Institut Curie, CNRS, PSL Research University, 75005 Paris, France; (A.C.); (A.V.d.W.)
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS, University of Paris, 75205 Paris, France
| | - Aurore Van de Walle
- Laboratoire Physico Chimie Curie, Institut Curie, CNRS, PSL Research University, 75005 Paris, France; (A.C.); (A.V.d.W.)
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS, University of Paris, 75205 Paris, France
| | - Christine Péchoux
- INRAE, UMR 1313 GABI, MIMA2-Plateau de Microscopie Electronique, 78352 Jouy-en-Josas, France;
| | - Ali Abou-Hassan
- PHysico-Chimie des Electrolytes et Nanosystèmes InterfaciauX, PHENIX, CNRS, Sorbonne Université, 75005 Paris, France;
| | - Claire Wilhelm
- Laboratoire Physico Chimie Curie, Institut Curie, CNRS, PSL Research University, 75005 Paris, France; (A.C.); (A.V.d.W.)
- Laboratoire Matière et Systèmes Complexes (MSC), UMR 7057, CNRS, University of Paris, 75205 Paris, France
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Gubanova EM, Usov NA, Oleinikov VA. Heating ability of elongated magnetic nanoparticles. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2021; 12:1404-1412. [PMID: 35028264 PMCID: PMC8722399 DOI: 10.3762/bjnano.12.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 12/17/2021] [Indexed: 06/14/2023]
Abstract
Low-frequency hysteresis loops and specific absorption rate (SAR) of various assemblies of elongated spheroidal magnetite nanoparticles have been calculated for a range of particle semiaxis ratios a/b = 1.0-3.0. The SAR of a dilute randomly oriented assembly of magnetite nanoparticles in an alternating magnetic field of moderate frequency, f = 300 kHz, and amplitude H 0 = 100-200 Oe is shown to decrease significantly with an increase in the aspect ratio of nanoparticles. In addition, there is a narrowing and shift of the intervals of optimal particle diameters towards smaller particle sizes. However, the orientation of a dilute assembly of elongated nanoparticles in a magnetic field leads to an almost twofold increase in SAR at the same frequency and amplitude of the alternating magnetic field, the range of optimal particle diameters remaining unchanged. The effect of the magneto-dipole interaction on the SAR of a dilute assembly of oriented clusters of elongated magnetite nanoparticles has also been investigated depending on the volume fraction of nanoparticles in a cluster. It has been found that the SAR of the assembly of oriented clusters decreases by approximately an order of magnitude with an increase in the volume fraction of nanoparticles in a cluster in the range of 0.04-0.2.
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Affiliation(s)
| | - Nikolai A Usov
- National Research Nuclear University “MEPhI”, 115409, Moscow, Russia
- Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences, IZMIRAN, 108480, Troitsk, Moscow, Russia
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Ovejero JG, Spizzo F, Morales MP, Del Bianco L. Nanoparticles for Magnetic Heating: When Two (or More) Is Better Than One. MATERIALS (BASEL, SWITZERLAND) 2021; 14:6416. [PMID: 34771940 PMCID: PMC8585339 DOI: 10.3390/ma14216416] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 01/16/2023]
Abstract
The increasing use of magnetic nanoparticles as heating agents in biomedicine is driven by their proven utility in hyperthermia therapeutic treatments and heat-triggered drug delivery methods. The growing demand of efficient and versatile nanoheaters has prompted the creation of novel types of magnetic nanoparticle systems exploiting the magnetic interaction (exchange or dipolar in nature) between two or more constituent magnetic elements (magnetic phases, primary nanoparticles) to enhance and tune the heating power. This process occurred in parallel with the progress in the methods for the chemical synthesis of nanostructures and in the comprehension of magnetic phenomena at the nanoscale. Therefore, complex magnetic architectures have been realized that we classify as: (a) core/shell nanoparticles; (b) multicore nanoparticles; (c) linear aggregates; (d) hybrid systems; (e) mixed nanoparticle systems. After a general introduction to the magnetic heating phenomenology, we illustrate the different classes of nanoparticle systems and the strategic novelty they represent. We review some of the research works that have significantly contributed to clarify the relationship between the compositional and structural properties, as determined by the synthetic process, the magnetic properties and the heating mechanism.
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Affiliation(s)
- Jesus G. Ovejero
- Departamento de Energía, Medio Ambiente y Salud, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, E-28049 Madrid, Spain; (J.G.O.); (M.P.M.)
- Servicio de Dosimetría y Radioprotección, Hospital General Universitario Gregorio Marañón, E-28007 Madrid, Spain
| | - Federico Spizzo
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy;
| | - M. Puerto Morales
- Departamento de Energía, Medio Ambiente y Salud, Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, E-28049 Madrid, Spain; (J.G.O.); (M.P.M.)
| | - Lucia Del Bianco
- Dipartimento di Fisica e Scienze della Terra, Università di Ferrara, I-44122 Ferrara, Italy;
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Natali M, Tamburini S, Bertani R, Desideri D, Mozzon M, Pavarin D, Spizzo F, Del Bianco L, Zorzi F, Sgarbossa P. Novel Magnetic Inorganic Composites: Synthesis and Characterization. Polymers (Basel) 2021; 13:1284. [PMID: 33920795 PMCID: PMC8071178 DOI: 10.3390/polym13081284] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/11/2021] [Accepted: 04/13/2021] [Indexed: 12/24/2022] Open
Abstract
The addition of magnetic particles to inorganic matrices can produce new composites exhibiting intriguing properties for practical applications. It has been previously reported that the addition of magnetite to concrete improves its mechanical properties and durability in terms of water and chloride ions absorption. Here we describe the preparation of novel magnetic geopolymers based on two different matrices (G1 without inert aggregates and G2 with inert quartz aggregates) containing commercial SrFe12O19 particles with two weight concentrations, 6% and 11%. The composites' characterization, including chemical, structural, morphological, and mechanical determinations together with magnetic and electrical measurements, was carried out. The magnetic study revealed that, on average, the SrFe12O19 magnetic particles can be relatively well dispersed in the inorganic matrix. A substantial increase in the composite samples' remanent magnetization was obtained by embedding in the geopolymer SrFe12O19 anisotropic particles at a high concentration under the action of an external magnetic field during the solidification process. The new composites exhibit good mechanical properties (as compressive strength), higher than those reported for high weight concretes bearing a similar content of magnetite. The impedance measurements indicate that the electrical resistance is mainly controlled by the matrix's chemical composition and can be used to evaluate the geopolymerization degree.
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Affiliation(s)
- Marco Natali
- ICMATE, CNR, Corso Stati Uniti 4, 35127 Padova, Italy; (M.N.); (S.T.)
| | - Sergio Tamburini
- ICMATE, CNR, Corso Stati Uniti 4, 35127 Padova, Italy; (M.N.); (S.T.)
| | - Roberta Bertani
- Department of Industrial Engineering, University of Padova, Via Marzolo 9 (P.S., R.B., M.M.), Via Gradenigo 6/a (D.D.) and Via Venezia 1 (D.P.), 35131 Padova, Italy; (R.B.); (D.D.); (M.M.); (D.P.)
| | - Daniele Desideri
- Department of Industrial Engineering, University of Padova, Via Marzolo 9 (P.S., R.B., M.M.), Via Gradenigo 6/a (D.D.) and Via Venezia 1 (D.P.), 35131 Padova, Italy; (R.B.); (D.D.); (M.M.); (D.P.)
| | - Mirto Mozzon
- Department of Industrial Engineering, University of Padova, Via Marzolo 9 (P.S., R.B., M.M.), Via Gradenigo 6/a (D.D.) and Via Venezia 1 (D.P.), 35131 Padova, Italy; (R.B.); (D.D.); (M.M.); (D.P.)
| | - Daniele Pavarin
- Department of Industrial Engineering, University of Padova, Via Marzolo 9 (P.S., R.B., M.M.), Via Gradenigo 6/a (D.D.) and Via Venezia 1 (D.P.), 35131 Padova, Italy; (R.B.); (D.D.); (M.M.); (D.P.)
| | - Federico Spizzo
- Department of Physics and Earth Science, Polo Scientifico Tecnologico, University of Ferrara, Via G. Saragat 1, 44122 Ferrara, Italy; (F.S.); (L.D.B.)
| | - Lucia Del Bianco
- Department of Physics and Earth Science, Polo Scientifico Tecnologico, University of Ferrara, Via G. Saragat 1, 44122 Ferrara, Italy; (F.S.); (L.D.B.)
| | | | - Paolo Sgarbossa
- Department of Industrial Engineering, University of Padova, Via Marzolo 9 (P.S., R.B., M.M.), Via Gradenigo 6/a (D.D.) and Via Venezia 1 (D.P.), 35131 Padova, Italy; (R.B.); (D.D.); (M.M.); (D.P.)
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