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Showing 1 to 20 of 271 for “"magnetite"”.
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Magnetite Oxidation in Aqueous Systems
Magnetite, an iron oxide, is a possible candidate for in situ remediation of contaminated groundwater systems due to its oxidation/reduction potential for reduction of contaminants such as carbon tetrachloride. Little characterization and analysis has been done to describe the kinetics of magnetite …
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Formation and alteration of magnetite nanoparticles
Magnetite is an iron oxide, which is ubiquitous in rocks and is usually deposited as small nanoparticulate matter among other rock material. It differs from most other iron oxides because it contains divalent and trivalent iron. Consequently, it has a special crystal structure and unique magnetic …
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Dextran Magnetite as an NMR Contrast Agent
Made available in DSpace on 2017-07-06T18:42:13Z (GMT). No. of bitstreams: 3 Alameda_Jay_C_Jr_MS.pdf: 36399097 bytes, checksum: a08d9d029c3e486ed573a217b4bbf5e2 (MD5) Alameda_Jay_C_Jr_MS_ABS.pdf: 1261364 bytes, checksum: e54d7b39be48ea31cc1b6086ec21f499 (MD5) license.txt: 4813 bytes, checksum: …
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The particle erosion of steel by magnetite
… coils in a petroleum producing plant by magnetite catalyst particles entrained in the flowing gas stream.
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Development of Gold-Magnetite Hybrid Nanoparticles for Advanced Radiotherapy
… therapeutic functions in the same agent. Gold-magnetite hybrid nanoparticles (H-NPs) are proposed as innovative theranostic nanotools for imaging-guided radiosensitization of cancers. H-NPs are designed to exert a dual function: (i) to provide contrast enhancement in magnetic resonance imaging …
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Scanning tunneling microscopy: application to stepped surfaces and magnetite
Contains fulltext : mmubn000001_161992064.pdf (Publisher’s version ) (Open Access)
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Surface Structure/Property Relationship for (001) Surface of Magnetite
Magnetite (Fe3O4), a well-known magnetic material, is still attracting intense study because of its great application in catalyst and technology development. These useful properties are related to the coexistence and coupling of several degrees of freedom, including charge, lattice, orbital and …
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Stabilization of Magnetite Nanofluid and its Transport in Porous Media
… is to test the transportability of magnetic (magnetite, Fe3O4) nanoparticles in porous media and evaluate its application as a subsurface monitoring tool. The unique properties of magnetic nanoparticles make them a strong contrast agent against reservoir rocks and fluids as they exhibit a high …
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Geochemistry of the Iron Mountain Magnetite Deposit, Albany County, Wyoming
Made available in DSpace on 2014-12-09T20:34:29Z (GMT). No. of bitstreams: 1 6801835.pdf: 3106824 bytes, checksum: 5f9073833a5a77cd4c714c9fb9b065ad (MD5) Previous issue date: 1967
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Photo-stimulated oxidation of magnetite, and an application to Mars,
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Science, 1972.
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Synthesis and Characterization of Novel Magnetite Nanoparticle Block Copolymer Complexes
Superparamagnetic Magnetite (Fe3O4) nanoparticles were synthesized and complexed with carboxylate-functionalized block copolymers, and aqueous dispersions of the complexes were investigated as functions of their chemical and morphological structures. The block copolymer dispersants possessed either …
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Gold and Magnetite Nanoparticles as Sensors of Conformational Changes in Proteins
… using helical polypeptides attached to gold or magnetite nanoparticle surfaces. Depending on type and loading of the polypeptide on the surface of gold nanoparticles, pH, temperature, presence of different ions in the solution, and influence of different mechanical factors, conformational …
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Characterization of Magnetite Nanoparticle Reactivity in the Presence of Carbon Tetrachloride
… metal and associated iron oxides and hydroxides. Magnetite, an iron oxide, is a ubiquitous component of many subsurface environments and has been investigated as a potential groundwater remediation technology. One beneficial characteristic of magnetite is the capability to be synthetically …
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Ionic Copolymer-Magnetite Complexes for Magnetic Resonance Imaging and Drug Delivery
… on the design, synthesis and characterization of magnetite-ionic copolymer complexes as nanocarriers for drug delivery and magnetic resonance imaging. The polymers included phosphonate and carboxylate-containing graft and block copolymers. Oleic-acid coated magnetite nanoparticles (8-nm and 16-nm …
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Synthesis and characterization of polyaniline/magnetite nanocomposites for fabrication of nanofiber textile
… Polymer/inorganic composites such as polyaniline/magnetite nanocomposites (PAni/Fe3O4) can be manipulated through various treatments in fabricating desire material such as nanofibers textile for many applications. The modified magnetite (Fe3O4) nanoparticles were successfully synthesized and …
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Application of a magnetic cyclone on a magnetite dense medium separation process
… was applied. An optimum ratio of coarse-to-fine magnetite was established and tracer tests were done. From the tracer tests, it was evident that the efficiency of the dense medium cyclone could be improved when the SpecSepTM solenoids were applied, and also the cut-point could be lowered. It was …
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Transgene-free strategies for wireless control of animal physiology using magnetite nanoparticles
Bioelectronic medicines are emerging therapies designed to control human physiology using electrically actuated stimuli instead of drugs. The most famous example is deep brain stimulation (DBS) for Parkinson's disease, in which electrodes are used to control brain activity and prevent tremors. An …
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Implications of Oxidation on the Colloidal Stability of Magnetite Nanoparticles and Cluster
Synthetic nanomagnetite has been suggested as a potential reactant for the in-situ treatment of contaminated groundwater. Although the application of nanomagnetite for environmental remediation is promising, a full understanding of its reactivity has been deterred by the propensity of the …
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