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Rozprawy doktorskie na temat „Iron nanoparticles”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Almeelbi, Talal Bakheet. "Phosphate Removal and Recovery Using Iron Nanoparticles and Iron Cross-Linked Biopolymer." Diss., North Dakota State University, 2012. https://hdl.handle.net/10365/26517.

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Nanoscale zero-valent iron (NZVI) particles and iron cross-linked alginate (FCA) beads were successfully used for the first time for phosphate removal and recovery. NZVI was successfully used for phosphate removal and recovery. Batch studies indicated a removal of ~96 to 100% phosphate in 30 min (1, 5, and 10 mg PO43--P/L with 400 mg NZVI/L). Phosphate removal efficiency by NZVI was 13.9 times higher compared to Microscale ZVI (MZVI) particles. The successful rapid removal of phosphate by NZVI from aqueous solution is expected to have great ramification for cleaning up nutrient rich waters. Th

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Carenza, Elisa. "Engineering Iron Oxide Nanoparticles For Angiogenic Therapies." Doctoral thesis, Universitat Autònoma de Barcelona, 2014. http://hdl.handle.net/10803/284861.

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El trabajo de investigación se ha desarrollado conjuntamente en el Instituto de Ciencia de Materiales de Barcelona (ICMAB-CSIC) y en el Instituto de Investigación del Hospital Universitario Vall d’Hebron (VHIR) en Barcelona. El trabajo se enmarca dentro del contexto tanto de nanomateriales como de nanomedicina. El objetivo principal de la tesis doctoral es desarrollar materiales para terapias no invasivas encaminadas a potenciar la regeneración de vasos sanguinos después de un evento isquémico. Para ello se han utilizado nanopartículas magnéticas de oxido de hierro como instrumentos de visua

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Howard, Luciano E. M. "Synthesis and characterisation of iron platinum nanoparticles." Thesis, Durham University, 2007. http://etheses.dur.ac.uk/2442/.

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This thesis investigates the synthesis and characterization of FePt nanoparticles, a material which is a promising candidate for use as an ultra-high density magnetic storage medium; relevant literature is reviewed in chapter one. Chapter two gives full details of the characterisation techniques and physical property measurements employed throughout the work described in the following chapters. This includes powder X-ray diffraction, SQUID magnetometry, transmission electron microscopy, extended X- ray fluorescence spectroscopy and Rutherford backscattering. Chapter three describes the synthes

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4

Stuart, Dale. "Heat Transfer Enhancement using Iron Oxide Nanoparticles." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/425.

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Two different iron oxide nanofluids were tested for heat transfer properties in industrial cooling systems. The nanofluids either had 30 nm particles with a wide size distribution to include particles greater than 1 micrometer or 15 nm particles with greater than 95% of the particles less than 33 nm. Calorimetry and thermal circuit modeling indicate that the 15 nm particle ferrofluid enhanced heat capacity. The smaller particle ferrofluid also demonstrated up to a 39% improvement in heat transfer, while the larger particle ferrofluid degraded the heat transfer performance. Particles from the l

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Salazar, Alvarez German. "Synthesis, characterisation and applications of iron oxide nanoparticles." Doctoral thesis, KTH, Materials Science and Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-87.

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<p>Further increase of erbium concentrations in Er-doped amplifiers and lasers is needed for the design of efficient, reliable, compact and cost-effective components for telecommunications and other photonic applications. However, this is hindered by Er concentration dependent loss mechanism known as upconversion. The upconversion arises due to non-radiative energy transfer (ET) interactions (migration and energy-transfer upconversion) among the Er ions exited to the metastable level that is used for amplification. The upconversion deteriorates the conversion efficiency of Er doped gain medium

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6

Zurkiya, Omar. "Magnetic Resonance Molecular Imaging Using Iron Oxide Nanoparticles." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/19848.

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Magnetic resonance imaging (MRI) is regularly used to obtain anatomical images, greatly advancing biomedical research and clinical health care today, but its full potential in providing functional, physiological, and molecular information is only beginning to emerge. The goal of magnetic resonance molecular imaging is to utilize MRI to acquire information on the molecular level. This dissertation is focused on ways to increase the use of MRI for molecular imaging using superparamagnetic iron oxide (SPIO) nanoparticle induced MRI contrast. This work is divided into three main sections: <B>1)<I>

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Salazar-Alvarez, German. "Synthesis, characterisation and applications of iron oxide nanoparticles /." Stockholm, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-87.

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8

Harris, Steven Scott. "Adiabatic pulse preparation for imaging iron oxide nanoparticles." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/47555.

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Iron oxide nanoparticles are of great interest as contrast agents for research and potentially clinical molecular magnetic resonance imaging (MRI). Biochemically modifying the surface coatings of the particles with proteins and polysaccharides enhances their utility by improving cell receptor specificity, increasing uptake for cell labeling and adding therapeutic molecules. Together with the high contrast they produce in MR images, these characteristics promise an expanding role for iron oxide nanoparticles and molecular MR imaging for studying, diagnosing and treating diseases at the molecula

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9

Iles, Gail N. "Magnetism of iron nanoparticles in rare Earth matrices." Thesis, University of Leicester, 2007. http://hdl.handle.net/2381/4430.

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This thesis details three main studies. The first is an investigation of the effect of coating Fe nanoparticles in a gas to isolate the magnetic moments. An isolation or enhancement of the already increased magnetic moment of a Fe nanoparticle would have the potential for exploitation in high-moment materials. The two other investigations are of the behaviour of Fe nanoparticles in the rare earth matrices Ho and Dy. Transition metals and rare earth metals normally couple antiferromagnetically at their interface, however the intention of this work was to determine if this also happens when the

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10

Chen, Suelin Ph D. Massachusetts Institute of Technology. "Polymer-coated iron oxide nanoparticles for medical imaging." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59004.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2010.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student submitted PDF version of thesis.<br>Includes bibliographical references (p. 144-157).<br>One of the most versatile and safe materials used in medicine are polymer-coated iron oxide nanoparticles. This dissertation describes several formulations for in vivo imaging applications. The paramagnetic polymer-coated iron ox

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11

Abushrida, Ahmed. "Formulation of novel polymer coated iron oxide nanoparticles." Thesis, University of Nottingham, 2012. http://eprints.nottingham.ac.uk/12537/.

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The aim of this study was to investigate how to produce iron oxide nanoparticles, with the potential for long circulation times or the ability to preferentially reach particular tissues. The preparation of iron oxide nanoparticles was achieved using inorganic solution methods to prepare particles of small size using a narrow size distribution. The nanoparticles were coated with dextran and carboxymethyl dextran as reference materials using the same method as in the preparation of the iron oxide nanoparticles. This project investigated the use of the biodegradable polymer poly(glycerol adipate)

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12

Requejo-Roque, Katherinne Isabel. "Iron oxide nanoparticles stable in the human body?" Revista de Química, 2013. http://repositorio.pucp.edu.pe/index/handle/123456789/101184.

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Actualmente, es posible obtener nanopartículas de óxido de hierro solubles en agua y establesen entornos biológicos por medio de la descomposición térmica a altas temperaturas y el intercambiode ligandos. Este método permite un control óptimo de la distribución de tamañopara obtener nanopartículas monodispersas y con superficie apta para funcionalizar, lo cuales fundamental en aplicaciones biológicas.<br>Currently, it is possible to obtain iron oxide nanoparticles soluble in water with high stability in biological environments through thermal decomposition at high temperatures and ligand excha

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13

Hossain, Mohammad Enayet. "Iron Nanoparticles and Biopolymers for Plant Nutrient Fortification." Diss., North Dakota State University, 2016. http://hdl.handle.net/10365/25910.

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Novel iron (Fe) cross-linked alginate (FCA) beads were used for aqueous phosphate removal. Batch experiments were conducted with the beads using three different concentrations of phosphate (5, 50 and 100 mg PO43--P/L) as well as environmentally relevant (eutrophic lakes) concentration of 100 ?g PO43--P/L. About 80-97% phosphate was removed within 3 h. for lower concentrations of phosphate. The maximum phosphate sorption capacity was found to be 78.7 mg PO43--P/g of beads. Phosphate removal was not affected because of the presence of Cl-, HCO3-, SO42-, NO3- and natural organic matter (NOM). FCA

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14

Roller, Jonathan William. "Arsenic mobilization through bioreduction of iron oxide nanoparticles." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/10066.

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Arsenic sorbs strongly to the surfaces of Fe(III) (hydr)oxides. Under aerobic conditions, oxygen acts as the terminal electron acceptor in microbial respiration and Fe(III) (hydr)oxides are highly insoluble, thus arsenic remains associated with Fe(III) (hydr)oxide phases. However, under anaerobic conditions Fe(III)-reducing microorganisms can couple the reduction of solid phase Fe(III) (hydr)oxides with the oxidation of organic carbon. When ferric iron is reduced to ferrous iron, arsenic is mobilized into groundwater. Although this process has been documented in a variety of pristine and conta

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15

Haney, Carl Edwin. "Effects on Iron Nanoparticles on Pseudomonas Aeruginosa Biofilms." University of Dayton / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1324058048.

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16

Brinza, Loredana. "Interactions of molybdenum and vanadium with iron nanoparticles." Thesis, University of Leeds, 2010. http://etheses.whiterose.ac.uk/1082/.

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Molybdenum, vanadium and iron are important micro and macro nutrients, respectively, for all living organisms. Their cycles and budgets in the natural environment is affected by - and affects many different processes. Poorly ordered ferrihydrite nanoparticles characterised for their particle size (3-5nm), crystallinity, surface area (~200m2g-1) and surface charge (point of zero charge = 7.96) helped to understand better their adsorption and co-precipitation interactions mechanisms with molybdenum and vanadium. Comparative studies of molybdenum and vanadium adsorbed onto or coprecipitated with

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17

Masala, P. G. "IRON OXIDE NANOPARTICLES AND NANOCOMPOSITES: A DIFFRACTOMETRIC STUDY." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/244853.

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Nanosized magnetic structures are currently key materials for advancements in electronics, optoelectronics, magnetic storage, and many bio-inspired applications. What is usually termed ‘‘nanostructured systems’’ comprises those materials whose properties are determined by particles, crystallites, or clusters with characteristic lengths between about 1 and 100 nm. If the grain or domain size becomes comparable or smaller to the characteristic length scale of the interaction processes controlling a particular property, different effects and unusual chemical and physical properties can be expecte

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18

Sreeja, V. "Synthesis and studies on superparamagnetic iron oxide nanoparticles." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2011. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/3773.

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Gonzalez, Lucena Fedora. "Mineral Magnetism of Environmental Reference Materials: Iron Oxyhydroxide Nanoparticles." Thesis, Université d'Ottawa / University of Ottawa, 2010. http://hdl.handle.net/10393/19608.

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Iron oxyhydroxides are ubiquitous in surface environments, playing a key role in many biogeochemical processes. Their characterization is made challenging by their nanophase nature. Magnetometry serves as a sensitive non-destructive characterization technique that can elucidate intrinsic physical properties, taking advantage of the superparamagnetic behaviour that nanoparticles may exhibit. In this work, synthetic analogues of common iron oxyhydroxide minerals (ferrihydrite, goethite, lepidocrocite, schwertmannite and akaganéite) are characterized using DC and AC magnetometry (cryogenic, room

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20

Lartigue, Lénaïc. "Synthesis, Characterization, and Theranostic Application of Iron Based Magnetic Nanoparticles." Thesis, Montpellier 2, 2010. http://www.theses.fr/2010MON20092/document.

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La synthèse de nano-object connait un essor grandissant depuis ces 20 dernières années. Les études fondamentales de système a permis (et permet encore) de trouver de nombreux domaines d'application aux nanotechnologies, que ces soit en catalyse, en électronique, dans le domaine biomédical...La thèse se déroule autour de deux axes de recherches: la synthèse et la description des propriétés magnétique de nanoparticules de fer stabilisé par des liquides ioniques, et la synthèse, l'étude magnétique, et leur évaluation en tant qu'agent de contraste et médiateur d'hyperthermie de nanoparticules de d

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21

Abdollah, M. R. A. "Developing superparamagnetic iron oxide nanoparticles as targeted cancer nanomedicine." Thesis, University College London (University of London), 2016. http://discovery.ucl.ac.uk/1473874/.

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Superparamagnetic Iron Oxide Nanoparticles (SPIONs) have unique properties with potential application in targeted cancer treatment; including the ability to generate heat when placed in an external alternating magnetic field. However, challenges such as rapid circulatory clearance by the reticuloendothelial system (RES), the need for effective functionalisation with cancer-targeting agents and heterogeneity of SPIONs, remain to be overcome. The work in this thesis aims to develop SPIONs by addressing these challenges. Ferucarbotran (Resovist®), a clinically approved MRI contrast SPION with exc

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22

Bradford, Peter. "The aggregation of iron oxide nanoparticles in magnetic fields." Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/3815/.

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The application of a magnetic field to a suspension of weakly magnetic nanoparticles should, based on previous work and theory, increase the aggregation between particles. This is due to the increase in the magnetic interaction in competition with repulsive forces due to the electric double layer. This hypothesis was tested using suspensions of magnetite and hematite nanoparticles. Magnetite particles were used to characterise the aggregation behaviour of strongly magnetic particles, which then served as a basis of comparison with hematite particles in a magnetic field. The expectation was tha

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23

Insin, Numpon. "Surface modifications of iron oxide nanoparticles for biological applications." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/62723.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2011.<br>Page 192 blank. Vita. Cataloged from PDF version of thesis, 2011.<br>Includes bibliographical references.<br>Iron oxides magnetic nanoparticles (MPs) of high crystallinity, high magnetization, and size-monodispersity were synthesized with oleic acid as their native ligands. These hydrophobic and non-functionalized MPs have magnetic properties that are suitable for various biological applications. Surface modifications were studied for transferring these MPs into biological environments as well as transforming

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24

Lazauskas, Tomas. "Simulating radiation effects in iron with embedded oxide nanoparticles." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/15411.

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Alloys used in fission and in future fusion reactors are subjected to extreme conditions including high temperatures, corrosive and intense radiation environments. Understanding the processes occurring at the microscopic level during radiation events is essential for the further development of them. As a prospective candidate material for new reactors, oxide dispersion strengthened (ODS) steels have shown good radiation resistance and the ability to trap He into fine scale bubbles, thus preventing swelling and preserving high-temperature strength. This thesis represents the findings obtained b

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Abayaweera, Gayani Sandeepa. "Diverse use of iron oxide nanoparticles for anticancer therapy." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/17564.

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Doctor of Philosophy<br>Department of Chemistry<br>Stefan H. Bossmann<br>Recent development of a variety of superparamagnetic and ferromagnetic iron/iron oxide (Fe/Fe₃O₄) nanoparticles with different surface chemistry have been widely studied for numerous biological applications such as drug delivery, as diagnostics, hyperthermia and magnetic resonance imaging. The wide applications of Fe/Fe₃O₄ nanoparticles are possible since they exhibit favorable properties as high magnetization ability, are smaller than 100 nm in size, they can be coated with several ligands which allow drug delivery at a

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VILLA, SILVIA. "Iron based magnetic nanoparticles: from synthesis to advanced applications." Doctoral thesis, Università degli studi di Genova, 2018. http://hdl.handle.net/11567/929872.

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Nanoparticles have come and continue to be an extremely interesting research topic due to the variety of applications, deriving from the possibility to opportunely tailor their properties through different preparation methods. Among nanoparticles, magnetic nanostructures, due to their special characteristics, represent an interesting tool for advanced applications. Focusing our research on the synthesis and characterization of magnetic nanoparticles, we developed materials for potential advanced applications. In the framework of my PhD research, I devoted myself on two main potential app

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27

Chin, Suk Fun. "Superparamagnetic nanoparticles for biomedical applications." University of Western Australia. School of Biomedical, Biomolecular and Chemical Sciences, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0128.

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[Truncated abstract] In the past decade, the synthesis of superparamagnetic iron oxide nanoparticles (SPIONs) has received considerable attention due to their potential applications in biomedical fields. However, success in size and shape control of the SPIONs has been mostly achieved through organic routes using large quantities of toxic or/and expensive precursors in organic reaction medium at high reaction temperature. This has limited the biomedical applications of SPIONs and therefore, development of a synthetic method under aqueous condition that is reproducible, scalable, environmentall

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Xiong, Zhong Zhao Dongye. "Destruction of perchlorate and nitrate by stabilized zero-valent iron nanoparticles and immobilization of mercury by a new class of iron sulfide nanoparticles." Auburn, Ala, 2007. http://repo.lib.auburn.edu/2007%20Fall%20Dissertations/Xiong_Zhong_0.pdf.

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Calderón, Roca Blanca. "Application of iron-based nanostructures to contaminant remediation." Doctoral thesis, Universidad de Alicante, 2017. http://hdl.handle.net/10045/69809.

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This thesis focuses on the synthesis and applications of nanoscale zero valent iron (nZVI) in the environmental remediation of contaminants. The polyvalent characteristics of this nanomaterial are evaluated in this work with the study of its application in a wide range of contaminants: heavy metals and pesticides in water medium, and malodorous sulfur compounds present in air streams. Moreover, a novel method of synthesis of encapsulated nZVI from a waste material is presented, which meets the principles of green chemistry and at the same time represents a low-cost method of obtaining nZVI wit

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30

Keho, Aaron Lopez. "Iron oxide nanoparticles as a contrast agent for thermoacoustic tomography." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1741.

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Akçora, Pınar. "Synthesis and characterization of diblock copolymer templated iron oxide nanoparticles." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2720.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2005.<br>Thesis research directed by: Chemical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Elihn, Karine. "Synthesis of carbon-covered iron nanoparticles by photolysis of ferrocene." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2002. http://publications.uu.se/theses/91-554-5302-3/.

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Al-Saadi, Ali. "Preparation and characterisation of encapsulation magnetic metal iron oxide nanoparticles." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:57bdcf38-9d45-48ab-a971-a2d60e2e4391.

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One of the most challenging goals in nanoparticle research is to develop successful protocols for the large-scale, simple and possibly low-cost preparation of morphologically pure nanoparticles with enhanced properties. The work presented in this thesis was focused on the synthesis, characterisation and testing of magnetic nanoparticles and their potential applications. There are a number of magnetic nano-materials prepared for specific applications such as metal oxide nanoparticles encapsulated with various porous materials including Fe₃O₄/Fe₂O₃ coated with soft bio-organic materials such as

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Moore, Roderick Guy Charles. "Chemical and electronic characterisation of surfactant stabilised iron oxide nanoparticles." Thesis, University of Leeds, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405671.

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Cumberland, Susan Alison. "Synthesis and environmental chemistry of silver and iron oxide nanoparticles." Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/1736/.

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Engineered nanoparticles are defined as having a dimension that is between one and one hundred nanometres. With toxicology studies reporting various degrees of toxicity the need to investigate nanoparticle fate and behaviour is vital. Monodispersed engineered nanoparticles were synthesised in-house to produce suitable materials to examine such processes. Iron oxide nanoparticles (5 nm) and citrate coated silver nanoparticles (20 nm) were subjected to different conditions of pH, ionic strength and different types of commercially available natural organic matter. Changes in particle size and agg

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Canestrari, Nicolò. "Nucleation and growth of iron nanoparticles by gas phase condensation." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24849/.

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We aim at better understanding how nucleation occurs in a gas condensation chamber, discussing in particular the formation of iron nanoparticles in Argon atmosphere and Helium atmosphere, and the use of the method of moments to study their growth.

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Situ, Shu F. "Optimizing Iron Oxide Nanoparticles for Magnetic Imaging and Antibacterial Applications." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1459440473.

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Shultz, Michael David. "Magnetic Nanoparticles Based on Iron: Synthesis, Characterization, Design, and Application." VCU Scholars Compass, 2008. http://scholarscompass.vcu.edu/etd/781.

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Magnetic nanoparticles are of great interest for a wide range of applications. This work has focused on three primary forms of iron based nanoparticles and combinations thereof: α-iron, iron oxide, and iron carbide or cementite. The synthesis of several core-shell particles including cementite-iron oxide, α-iron-cementite, and α-iron-iron oxide was accomplished through reverse micelle routes and high temperature decomposition of iron pentacarbonyl in various media. Structural analysis to confirm the structures was performed using extended x-ray absorption fine structure (EXAFS) techniques. A r

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COBIANCHI, MARCO. "Effects of Iron Nanoparticles Size and Coating on Hyperthermic Efficiency." Doctoral thesis, Università degli studi di Pavia, 2018. http://hdl.handle.net/11571/1214813.

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Hemery, Gauvin. "Synthesis of magnetic and thermosensitive iron oxide based nanoparticles for biomedical applications." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0729/document.

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Cette thèse présente le développement de nanoparticules hybrides avec un coeur inorganique et une couronne organique pour des applications médicales. Des nanoparticules d’oxyde de fer ont été obtenues par synthèse polyol, en contrôlant leurs cristallinités, leurs morphologies (monocoeur ou multicoeur) et leurs tailles (de 4 à 37 nm). Leurs propriétés ont été évaluées et comparées pour de possibles applications théranostiques : en thérapie pour le traitement du cancer par hyperthermie magnétique, pour le diagnostic en tant qu’agents de contraste pour l’IRM. Les surfaces des nanoparticules ont é

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41

Kriedemann, Brett Craig. "The critical process conditions for controlled growth of iron oxide nanoparticles synthesized using continuous hydrothermal synthesis." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/920.

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Thesis Submitted in Fulfilment of the Requirements for the Degree Master of Technology: Chemical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology 2014<br>Iron oxide nanoparticles have recently become attractive for use in gas sensing, as catalysts and have also shown promise in other fields, such as biomedicine, for targeted drug delivery and cancer treatment. Despite these growing applications, the ability to produce iron oxide and one dimensional (1D) iron oxide nanoparticles on an industrial scale has proven to be a challenge. The continuous hydro

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Majid, Abdul. "Thermally responsive peptide coated superparamagnetic iron oxide nanoparticles for drug delivery." Thesis, University of Central Lancashire, 2017. http://clok.uclan.ac.uk/20743/.

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Target specific delivery of anticancer drugs to the effected site without showing systematic toxicity to normal tissues is important. Multifunctional biodegradable delivery systems reduce systematic toxicity in an efficient manner. These drug carriers should provide controlled release, be directed towards desired site, track payloads via contrast imaging, heat the effected sites and trigger drug release. In this context, superparamagnetic iron oxide nanoparticles based drug delivery systems are highly desirable. Superparamagnetic iron oxide nanoparticles upon exposure of alternate magnetic fie

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Marinin, Aleksandr. "Synthesis and characterization of superparamagnetic iron oxide nanoparticles coated with silica." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-121520.

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Multifunctional superparamagnetic iron oxide nanoparticles (SPIONs) coated with silica are a promising research field for lots of biomedical applications. The scope of this work is a preparation of SPIONs and coating them with silica to form core-shell structured nanoparticles for nanomedicine applications. SPIONs were synthesized by two chemical methods – co-precipitation and thermal decomposition of organic iron precursor. Prepared nanoparticles were carefully characterized –average size, size distribution, morphology, crystallinity, colloidal stability and magnetic properties were studied.

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Raychoudhury, Trishikhi. "Transport of surface-modified iron nanoparticles through model subsurface porous media." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=104765.

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AbstractThe overall objective of this research is to evaluate significant mechanisms for deposition of surface-modified NZVI in granular subsurface media during transport. Although surface-modified NZVI have been shown to transport more easily than bare NZVI, there is a lack of knowledge of how different parameters such NZVI particle concentration, NZVI size, aqueous-phase flow velocity, and sand particle size influence nanoparticle transport. To investigate the effects of these parameters on transport, a number of laboratory experiments were conducted with NZVI synthesized from ferrous sulfat

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Lovely, Georgina Rose. "High resolution electron microscopy of the surfaces of iron oxide nanoparticles." Thesis, University of Leeds, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439596.

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Magqazolo, Siphesihle. "Synthesis and characterization of iron oxide nanoparticles embedded on various polymers." University of the Western Cape, 2018. http://hdl.handle.net/11394/6557.

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>Magister Scientiae - MSc<br>During the course of this study iron oxide nanoparticles, which have been researched for drug-targeted delivery, were synthesised via the co-precipitation method and characterised using various methods. This study focused on the role of relevant capping agents for the inhibition of agglomeration of the particles; chitosan, polyvinyl alcohol (PVA) and poly lactic glycolic acid (PLGA) were the capping agents of interest. The study is an assessment of the effects brought about the different capping agents used for this work. The prepared particles were then capped wit

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Bell, Gavin S. "Developments of iron oxide nanoparticles for magnetic thermotherapy and multimodal imaging." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10055094/.

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Current methods of cancer therapy and detection still warrant high demand and great developments. Utilising the fundamental magnetism of iron oxide nanoparticles, it is possible to harness that magnetic power for the development of new, influential therapeutic and imaging modalities. In this thesis, a detailed look into the use of iron oxide nanoparticles as a material for magnetic thermotherapy and bio-imaging will be undertaken. Iron oxide nanoparticles are synthesised using a common co-precipitation synthesis. Stabilisation was achieved with citrate molecules followed by advanced functional

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Wei, He Ph D. Massachusetts Institute of Technology. "Synthesis and development of hydrophilic iron oxide nanoparticles for biomedical applications." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/96451.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemistry, 2014.<br>Cataloged from PDF version of thesis. Vita.<br>Includes bibliographical references (pages 130-136).<br>Uniformly sized superparamagnetic iron oxide nanoparticles (SPIONs) with inorganic diameters of 3-35 nm were synthesized. New surface ligand coatings were designed and synthesized, and the resulting hydrophilic SPIONs in biological buffers were found to be compact, stable, highly magnetic, and biocompatible. Furthermore, the hydrophilic SPIONs were stable in vitro in serums and cells as well as in vivo in

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Ban, Zhihui. "The Synthesis of Core-Shell Iron@Gold Nanoparticles and Their Characterization." ScholarWorks@UNO, 2004. http://scholarworks.uno.edu/td/83.

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Au-coated magnetic Fe nanoparticles have been successfully synthesized by partial replacement reaction in a polar aprotic solvent with about 11 nm core of Fe and about 2.5 nm shell of Au. In this work, a combination of TEM (transmission electron microscopy), XRD (X-ray Powder Diffractometry), EDS (Energy disperse X-ray spectroscopy), SQUID (Superconducting Quantum Interference Device), TGA (Thermograviometric analysis), UV-visible absorption spectroscopy and Faraday rotation were employed to characterize the morphology, structure, composition and magnetic properties of the products.

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Silva, Nuno João de Oliveira. "Structural and magnetic studies on iron oxide nanoparticles in hybrid matrices." Doctoral thesis, Universidade de Aveiro, 2006. http://hdl.handle.net/10773/8944.

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Doutoramento em Física<br>Este trabalho aborda algumas propriedades magnéticas e estruturais de nanopartículas de óxidos e óxidos-hidróxidos de ferro crescidos em matrizes híbridas orgânicas-inorgânicas. As matrizes híbridas, denominadas di-ureasils e obtidas pelo processo sol-gel, são compostas por uma rede siliciosa ligada covalentemente por pontes ureia a cadeias orgânicas de diferente peso molecular. A estrutura local dos di-ureasils não dopados está modelada como grupos de domínios siliciosos com dimensões nanométricas, estruturalmente correlacionados no seio de uma matriz rica em

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