Results 211 to 220 of about 197,485 (261)
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Magnetic particle–particle interaction in frozen magnetic fluids
Journal of Applied Physics, 1996Magnetic resonance is used to study magnetic dipole particle–particle interaction in ionic water-based iron-manganese magnetic fluids. A set of six samples having particle concentration running from 1.2×1016 to 6.3×1016 particles/cm3 were frozen below room temperature and analyzed in the range of 100–250 K.
P. C. Morais +5 more
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Water purification with magnetic particles
Environmental Monitoring and Assessment, 1991CSIRO (Commonwealth Scientific and Industrial Research Organization) has for some years carried out research into more efficient ways of purifying water and wastewater. More intensive processing has been achieved by the use of finely divided solid reagents which can be regenerated and reused.
B A, Bolto, T H, Spurling
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IEEE Transactions on Electron Devices, 1975
A new type of flat-panel ambient-illuminated display is described. Images in this display are formed by magnetically controlling the orientations of small spherical multicolored magnetic particles. A demonstration model is shown and the possibility for application to television is studied.
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A new type of flat-panel ambient-illuminated display is described. Images in this display are formed by magnetically controlling the orientations of small spherical multicolored magnetic particles. A demonstration model is shown and the possibility for application to television is studied.
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Narrowband Magnetic Particle Imaging
IEEE Transactions on Medical Imaging, 2009The magnetic particle imaging (MPI) method directly images the magnetization of super-paramagnetic iron oxide (SPIO) nanoparticles, which are contrast agents commonly used in magnetic resonance imaging (MRI). MPI, as originally envisioned, requires a high-bandwidth receiver coil and preamplifier, which are difficult to optimally noise match. This paper
Patrick W. Goodwill +3 more
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Magnetization of single magnetic particles
Journal of Magnetism and Magnetic Materials, 1995Abstract We present the first magnetization measurements of single submicron (Co, CoZr, Ni) particles. As a detector we use a microbridge-dc-SQUID deposited onto or next to the sample. Sample and detector are patterned by electron-beam lithography. The dynamics and the temperature dependence of the magnetization reversal are studied.
Wernsdorfer, Wolfgang +6 more
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Magnetic Particle Imaging in Neurosurgery
World Neurosurgery, 2019Magnetic particle imaging (MPI) is a novel radiation-free tomographic imaging method that provides a background-free, signal attenuation-free, direct quantification of the spatial distribution of superparamagnetic iron-oxide nanoparticles (SPIONs) with high temporal resolution (milliseconds), high spatial resolution (
Antonio Meola +5 more
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Isolation of technogenic magnetic particles
Science of The Total Environment, 2014Technogenic magnetic particles (TMPs) emitted by various industrial sources, such as smelting plants, end up after atmospheric transfer on the soil surface. In the present study, we characterised the origin and composition of such particles emitted by a large iron smelting plant and deposited on particular substrates, namely tombstones, which act as a ...
Catinon, Mickaël +6 more
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On-chip bioanalysis with magnetic particles
Current Opinion in Chemical Biology, 2012Magnetic particles can combine two very selective processes in bioanalysis: the specific binding of analytes to the particle surface based on molecular recognition and the specific isolation of magnetic objects from complex sample mixtures. They have found numerous applications including cell isolation, immunoassays or DNA extraction.
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