Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 149 for “"magnetic nanoparticles"”.
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Engineering bacterial magnetic nanoparticles
… alternative source of non-toxic biocompatible magnetic nanoparticles (MNPs). A magnetosome contains Fe2O4 magnetite with properties superior to MNPs synthesized by the traditional chemical route. However, synthesis of magnetosomes on large scale has not been achieved yet because magnetotactic …
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Magnetic Nanoparticles for Biomedical Applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Properties and biomedical applications of magnetic nanoparticles
<p>Magnetic nanoparticles have a number of unique properties, making them promising agents for applications in medicine including magnetically targeted drug delivery, magnetic hyperthermia, magnetic resonance imaging, and radiation therapy. They are biocompatible and can also be coated with …
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Use of magnetic nanoparticles for wastewater treatment
… have proposed a remediation technique based on a magnetically enhanced separation technology as an alternative to existing methods to separate the target contaminants from a sediment matrix or wastewater stream. This technology uses specifically tailored surface modified magnetic nanoparticles …
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Preparation and applications of catalytic magnetic nanoparticles
… This research focuses on developing functional magnetic particles to carry strong [alpha]--nucleophilic groups, which are able to catalyze the decomposition reaction and can be recycled and reused.The amidoxime modified magnetic particles were prepared first. The original particles were …
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DNA Biosensors Based on Gold-Coated Magnetic Nanoparticles
… interaction between DNA-functionalized surfaces/nanoparticles and free oligonucleotides in solution is the foundation of many devices such as DNA gene chips, therapeutic devices, and DNA biosensors. Electrochemical transduction provides a convenient means for studying DNA hybridization due to its …
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Colloidal stability of magnetic nanoparticles in molten salts
… high temperature engineering systems. Dispersing nanoparticles in molten salts can enhance the heat transfer capabilities of the fluid. High temperature and high ionicity of the medium make it difficult to make a colloidally stable dispersion of nanoparticles in molten salts. The aggregation and …
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In silico models for biomedical applications of magnetic nanoparticles
L'abstract è presente nell'allegato / the abstract is in the attachment
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Design of functional colloidal magnetic nanoparticles for biomedical applications
… have shown to be realistic. The interaction of magnetic nanoparticles with applied magnetic field gradients makes these particles attractive for their potential applications in biomedical imaging, diagnostic, and therapy. In this context, a great advantage are the superparamagnetic properties …
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Targeted magnetic nanoparticles for remote manipulation of protein aggregation
Local heat delivered by magnetic nanoparticles (MNPs) selectively attached to their target proteins can be used to manipulate and break up toxic or obstructive aggregates. We applied this magnetic hyperthermia treatment to the amyloid beta (A[beta]) peptide, which unnaturally folds and …
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Magnetic Nanoparticles Based on Iron: Synthesis, Characterization, Design, and Application
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 …
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Magnetic nanoparticles : synthesis, characterization, applications and systematic study of exchanging biasing
We systematically investigated the magnetic properties of colloidal cobalt nanoparticles after three extents of oxidation: The native sample has a thin (1.0 nm) CoO shell and exhibits no exchange biasing. The purposefully partially oxidized sample has a thicker CoO shell (3.2 nm), and is exchange …
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Design for selective remote control of cellular signaling using magnetic nanoparticles
… circuit. Heat dissipating properties of magnetic nanoparticles have garnered sustained research interest in biomedical applications, including drug release, cancer hyperthermia, and neural stimulations. However, research has been mainly focused on improving the magnetic nanomaterials' …
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Single-sided magnetic nanoparticles imaging scanner for early detection of breast cancer
Electromagnetic coils form the basis of magnetic particle imaging (MPI) scanners. Previous scanner designs employ Helmholtz coil arrangement which has low sensitivity and high cost of fabrication. Furthermore, the scanners have long signal acquisition time and high memory requirement. This research …
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Compatibility and toxicity of polymer-coated magnetic nanoparticles on mammalian cell systems
(cont.) produced normal growth curves in the presence of particles. However, the particles do still exhibit some toxicity towards the cells, as the maximum cell density of cells cultured with particles does not reach that of control cultures. Both particles were found to increase the oxygen …
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Self-assembly of magnetic nanoparticles: A tool for building at the nanoscale
Nanoparticles can be used as building blocks of materials. Properties of such materials depend on the organization of the constituent particles. Thus, control over particle organization enables control over material properties. However, robust and scalable methods for arranging nanoparticles are …
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Understanding The Physics Of Magnetic Nanoparticles And Their Applications In The Biomedical Field
<p>The study of magnetic nanoparticles is of great interest because of their potential uses in magnetic-recording, medical diagnostic and therapeutic applications. Additionally, they also offer an opportunity to understand the physics underlying the complex behavior exhibited by these materials. …
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Enabling Synthesis Toward the Production of Biocompatible Magnetic Nanoparticles With Tailored Surface Properties
… of these copolymers as dispersants for magnetite nanoparticles in biological media. A benzyl alkoxide initiator was utilized to prepare poly(ethylene oxide) (BzO-PEO-OH), poly(propylene oxide) (BzO-PPO-OH) and poly(ethylene oxide-b-propylene oxide) (poly(BzO-EO-b-PO-OH)) oligomeric tail blocks …
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Synthesis and characterization of Carbon Quantum Dots, ZnO and Magnetic Nanoparticles. New Analytical Applications
… new analytical methods based on the use of magnetic and luminescent nanoparticles are presented. Molecules of clinical (5-hydroxyindole acetic acid, 5-HIAA), environmental (4-nitrophenol) and food (tannic acid) concern have been used as model analytes. Also, the functionalization of ZnO …
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