Development of Focused Transcranial Magnetic Stimulation for Rodents by Copper-Array Shields [0.03%]
铜线列阵屏蔽在 rodents身上开发焦点经颅磁刺激技术
Qinglei Meng,Mitchell Cherry,Ahmed Refai et al.
Qinglei Meng et al.
Transcranial magnetic stimulation (TMS) is one of the most widely used noninvasive brain stimulation method. It has been utilized for both treatment and diagnosis of many neural diseases, such as neuropathic pain and loss of function caused...
Electromagnetic Field and Radio Frequency Circuit Co-Simulation for Magnetic Resonance Imaging Dual-Tuned Radio Frequency Coils [0.03%]
电磁场与射频电路联合仿真在磁共振成像双频线圈中的应用研究
Nan Li,Shengping Liu,Xiaoqing Hu et al.
Nan Li et al.
Electromagnetic (EM) field simulation plays a key role in the design of magnetic resonance imaging radio frequency (RF) coils. However, the values of the components in tuning and matching circuits often need to be iterated repeatedly in the...
Design of sparse Halbach magnet arrays for portable MRI using a genetic algorithm [0.03%]
基于遗传算法的便携式磁共振成像仪稀疏Halbach磁场阵列设计
Clarissa Zimmerman Cooley,Melissa W Haskell,Stephen F Cauley et al.
Clarissa Zimmerman Cooley et al.
Permanent magnet arrays offer several attributes attractive for the development of a low-cost portable MRI scanner for brain imaging. They offer the potential for a relatively lightweight, low to mid-field system with no cryogenics, a small...
Daniel B Gopman,Vimal Sampath,Hasnain Ahmad et al.
Daniel B Gopman et al.
We present measurements of the static and dynamic properties of polycrystalline iron-gallium films, ranging from 20 nm to 80 nm and sputtered from an Fe0.8Ga0.2 target. Using a broadband ferromagnetic resonance setup in a wide frequency ran...
Underlayer Effect on Perpendicular Magnetic Anisotropy in Co20Fe60B20/MgO Films [0.03%]
下层对Co20Fe60B20/MgO膜垂直磁各向异性的影响
P J Chen,Y L Iunin,S F Cheng et al.
P J Chen et al.
Perpendicular Magnetic Tunneling Junctions (pMTJs) with Ta/CoFeB/MgO have been extensively studied in recent years. However, the effects of the underlayer on the formation of the CoFeB perpendicular magnetic anisotropy (PMA) are still not w...
Xiaojuan Zhang,Daniel Reeves,Yipeng Shi et al.
Xiaojuan Zhang et al.
We know a great deal about the biochemistry of cells because they can be isolated and studied. The biochemistry of the much more complex in vivo environment is more difficult to study because the only ways to quantitate concentrations is to...
Enhanced Wireless Power Transmission Using Strong Paramagnetic Response [0.03%]
一种利用强顺磁共振实现的无线充电增强技术
Dukju Ahn,Mehdi Kiani,Maysam Ghovanloo
Dukju Ahn
A method of quasi-static magnetic resonant coupling has been presented for improving the power transmission efficiency (PTE) in near-field wireless power transmission, which improves upon the state of the art. The traditional source resonat...
Magnetic Resonance Force Microscopy Detected Long-Lived Spin Magnetization [0.03%]
磁共振力显微镜探测到长寿命自旋磁化状态
Lei Chen,Jonilyn G Longenecker,Eric W Moore et al.
Lei Chen et al.
Magnetic resonance force microscopy (MRFM), which combines magnetic resonance imaging with scanning probe microscopy together, is capable of performing ultra-sensitive detection of spin magnetization. In an attempt to observe dynamic nuclea...
Drive-field Frequency Dependent MPI Performance of Single-Core Magnetite Nanoparticle Tracers [0.03%]
单核磁铁纳米颗粒示踪剂的驱动场频率依赖性MPI性能
C Kuhlmann,A P Khandhar,R M Ferguson et al.
C Kuhlmann et al.
The drive-field frequency of Magnetic Particle Imaging (MPI) systems plays an important role for system design, safety requirements and tracer selection. Because the commonly utilized MPI drive-field frequency of 25 kHz might be increased i...
Variation of Magnetic Particle Imaging Tracer Performance With Amplitude and Frequency of the Applied Magnetic Field [0.03%]
施加磁场的振幅和频率对磁性颗粒成像示踪性能的影响变化
Asahi Tomitaka,Richard Matthew Ferguson,Amit P Khandhar et al.
Asahi Tomitaka et al.
The magnetic response of magnetic particle imaging (MPI) tracers varies with the slew rate of the applied magnetic field, as well as with the tracer's average magnetic core size. Currently, 25 kHz and 20 mT/μ0 drive fields are common in MP...