Fig. 1. A schematic representation of a stented blood vessel showing that magnetically responsive cells are attracted to steel stent struts in a uniform, magnetic field because of a generated magnetic force (F⃗ mag) that directly depends on the strength of the total magnetic field (B⃗), high field magnetic gradients (∇B⃗ g) induced on the stent struts, and the magnetic moments (m⃗ ...

As such, a target fired at high axial velocity into a steep magnetic field gradient will effectively experience a rapidly changing axial magnetic field and undergo the same inductive compression as a stationary target at the center of a rapidly pulsed magnetic field. A conceptual overview of this gradient field imploding liner system is provided in

The superconducting magnet generates a field and field gradient product that can levitate diamagnetic materials. In this study a specially designed superconducting magnet with a large gradient high magnetic field (LG-HMF), which can provide three apparent gravity levels (m-g, 1-g, and 2-g), was used to simulate a space-like gravity environment.

By deriving a generalized form for the Nernst equation, we find that a relatively small magnetic field (approximately 1 T) with a large gradient (up to 1 GT/m) can significantly change the ...

Effect of surface magnetic field and its relative-to-electric filed phase on probability of RF breakdowns 0 500 1000 1500 2000 2500 0 2 4 6 8 10 Time [ns ] r [MW] R, u, G, k All traces] 2, 5 Nov 2012 9 Nov 2012 With constant surface electric fields, increase of magnetic fields dramatically increases breakdown probability. TM-frw TM-rfl TE-frw ...

* High magnetic field strength, the background magnetic field is up to 1.3T, the surface magnetic field of medium box is up to 2.6T. * Due to the special design of the medium box, magnetic field can generate high gradient magnetic field within high density and disorderly bars medium structure.

Small ferromagnetic structures, such as steelwool wires, placed in a magnetic field, disturb this field, producing high magnetic gradients and generating in their immediate neighborhood magnetic forces of some lo4 T/m compared to some 10 T/m in conventional geometries.

Large Gradient High Magnetic Fields Affect Osteoblast Ultrastructure and Function by Disrupting Collagen I or Fibronectin/αβ1 Integrin. Microgravity simulation by diamagnetic levitation: effects of a strong gradient magnetic field on the transcriptional profile of Drosophila melanogaster.

The magnetic field gradients in matrix separators are much greater than that of non- matrix separator and steel wool has the highest magnetic field gradient as high as 2.5 × 10 4 T/m. The magnetic matrix used in high gradient magnetic separator not only generates the high magnetic field gradient to increase magnetic force acting on magnetic ...

Micro-magnetic imprinting of high field gradient magnetic flux sources. Appl. Phys. Lett. 104, 262401 (2014). [Google Scholar] Zablotskii V., Syrovets T., Schmidt Z. W., Dejneka A. & Simmet T. Modulation of monocytic leukemia cell function and survival by high gradient magnetic fields and mathematical modeling studies. Biomaterials 35, 3164 ...

(approximately 1 T) with a large gradient (up to 1 MT m−1) can have a significant impact not only on the properties and biological functionality of the cells but also on the cell fate. We discuss several interesting effects on cells exposed to a magnetic field with a high gradient (103–106 T m−1): effects

unnecessary. In this work, the use of a high magnetic field strength (17.6 T) coupled with high magnetic field gradient strength of up to 30 T/m affords the use of smaller diffusion times under the conditions of the narrow-pulse approximation which allows for distortion-free monitoring of time-dependent and displacement-dependent diffusion

For example, the gradient can be at least 10 3 T/m at a position that is at least 20 μm away from a surface of the magnetizable layer. The magnetizable layer includes a first high magnetic permeability material and a low magnetic permeability material arranged adjacent to …

The stored energy alternates between electric and magnetic fields 2 capacitor inductor 2 0 0 2 U E 2 0 0 2 U B m 2 2 1 U QC2 2 1 U IL Electric field Magnetic field Charge Current U E J2 2.405 Vcavity 1 2 0 0 and scales with the square of the accelerating gradient.

Purpose: To develop a highly efficient magnetic field gradient coil for head imaging that achieves 200 mT/m and 500 T/m/s on each axis using a standard 1 MVA gradient driver in clinical whole-body 3.0T MR magnet. Methods: A 42-cm inner diameter head-gradient used the available 89- to 91-cm warm bore space in a whole-body 3.0T magnet by increasing the radial separation between the primary and ...

gradients are generated by placing thin filamentous or spherous ferromagnetic material as a matrix into a strong homogenous magnetic field, which is usually pro-vided by rare-earth dipole magnets or electromagnets. With this technology, magnetic gradients up to 100 Tesla/cm can be created at the surface of the matrix [11].

Although in low-gradient magnetic separation, the field gradient is generally less than 100 T·m −1, the field gradient in high-gradient magnetic separation can be increased to thousands of T·m −1 by introducing a magnetizable matrix (such as a steel wire mesh, steel balls, grooved plates or steel wool) into the magnetic field [25,35], as ...

MRI scanners with magnetic field strengths up to 7 T and gradient strengths up to 80 mT/m with a peak slew rate of 200 T/m/s have now become the state-of-the-art imaging technology for clinical and research studies of the brain. For neuroimaging, research in ultrahigh mag-netic field strength and …

As the field of nanomedicine grows, knowledge of the interactions between magnetic fields and living cells is of increasing importance. In a recent Journal of Physics D: Applied Physics article Vitalii Zablotskii et al. reviewed current research into the impact of high-gradient magnetic fields on living cells. Find out more from the authors below.

Clinical MRI scanners with magnetic field strengths up to 7 T and gradient strengths up to 80 mT/m with a peak slew rate of 200 T/m/s have now become the state-of-the-art imaging technology for clinical and research studies of the brain.

magnetic field (B0) gradient evaluation of a compact 3T MR scanner. International Society for Magnetic Resonance in Medicine, Honolulu HI, April 2017 10) Meier C, Zwanger M, Feiweier T, Porter D. Concomitant field terms for asymmetric gradient coils:

For example, the gradient can be at least 10 3 T/m at a position that is at least 20 μm away from a surface of the magnetizable layer. The magnetizable layer includes a first high magnetic permeability material and a low magnetic permeability material arranged adjacent to …

the leopard frog (Rana pipiens) was strongly inhibited by a 1 T magnetic field with a high gradient of 84 Tm−113. When analyzing effects of magnetic fields on living cells, tissue and organisms, one should keep in mind that in most cases, ...

A strong magnetic field gradient with amplitude 152(15) T m −1 oscillating at frequency ω g = 2π × 5 MHz, close to the frequency ω r of one of the ions' out-of-phase radial (transverse to ...

Zablotskii, V et al, (2016). How a High-Gradient Magnetic Field Could Affect Cell Life. Sci Rep. 2016 Nov 18;6:37407. PMID: 27857227. doi; Zablotskii, V et al, (2018). Cells in the Non-Uniform Magnetic World: How Cells Respond to High-Gradient Magnetic …

Electric and magnetic fields on the cavity mid-plane which are scaled to a 100 MV / m accelerating gradient in the middle cell; (a) shows the mid-plane electric field, with a maximum of 202.9 MV / m and (b) shows the mid-plane magnetic field, with a maximum of 325 kA / …

Gradients at higher-fields • High performance gradients needed to take advantage of increased SNR for high resolution/speed • Max amplitude ~ 20-50 mT/m • Max slew rates ~ 120-200 T/m/s • Increased reactive (inductive and capacitive) coupling to bore/shims/RF coils – …

viathe utilization of high magnetic field gradient, but also, in most cases, low magnetic field gradient with magnitude less than 100 T m21 is equally feas-ible. It is the aim of this review paper to summarize the usage of both high gradient magnetic separation and low gradient magnetic separation (LGMS) techniques in this area of research.

Purpose. To develop a highly efficient magnetic field gradient coil for head imaging that achieves 200 mT/m and 500 T/m/s on each axis using a standard 1 MVA gradient driver in …

----- EPA-600/7-80-037 March 1980 Pilot-scale Field Tests of High-gradient Magnetic Filtration by Charles H. Gooding Research Triangle Institute P.O. Box 12194 Research Triangle Park, North Carolina 27709 Contract No. 68-02-2650 Program Element No. EHE624A EPA Project Officer: Dennis C. Drehmel Industrial Environmental Research Laboratory Office of Environmental Engineering and Technology ...

The ultra-high magnetic gradients at Fe 3 O 4 nanoparticle modified electrodes (>108 T/m) induce enhanced mass transport to electrodes. This is attributed to the magnetic field gradient force and the super-paramagnetic properties of nano-Fe 3 O 4 enabling switching of the …