In vivo magnetic resonance (Mr) imaging and spectroscopy are expanding our capability to observe and investigate many biomedical processes without invasive interventions. The unique 900-Mhz ultra-wide bore (uWB) 21.1 tesla magnet built at the Magnet lab in Tallahassee provides unprecedented opportunities to examine living systems. in this report, we present our first experiences and the results...

STUDY DESIGN Experimental rat animal study using a new cell delivery system. OBJECTIVE To investigate the therapeutic effects with magnetic targeting of bone marrow stromal cells (BMSCs) in a rat spinal cord injury (SCI) model. SUMMARY OF BACKGROUND DATA Several methods to deliver therapeutic agents have been used for the treatment of SCI in animal studies. However, the most appropriate adm...

the ingestion of foreign bodies is a comprehensive problem affecting the pediatric population, especially under 5 years of age.  the ingestion of 2 or more magnets may lead to their attraction over planes of intervening soft tissue with enough force to cause significant complications including obstruction, fistula formation or even perforation.this case series report have documented the cases o...

‎in this paper, we investigate the chaotic behaviors of the fractional-order permanent magnet synchronous motor (pmsm) system. the necessary condition for the existence of chaos in the fractional-order pmsm system is deduced and an active controller is developed based on the stability theory for fractional systems. the presented control scheme  is simple and flexible, and it is suitable both fo...

Air-core coils are more practical than iron-core magnets for producing the required magnetic field distribution for electron paramagnetic resonance imaging at frequencies of a few hundred megahertz. An air-core, air-cooled magnet/gradient coil system is presented in this paper, which is optimum in the sense that mathematically it produces fields, which for the number of coils specified, are as ...

OBJECTIVE Cochlear implants (CIs) are standard treatment for postlingually deafened individuals and prelingually deafened children. This human cadaver study evaluated diagnostic usefulness, image quality and artifacts in 1.5T and 3T magnetic resonance (MR) brain scans after CI with a removable magnet. METHODS Three criteria (diagnostic usefulness, image quality, artifacts) were assessed at 1....

An improved topology of a low-speed permanent magnet vernier machine called a dual-stator interior permanent magnet vernier machine (DS-IPMVM) is introduced to significantly increase torque density and power factor. Dual-stator is usually adopted in machine design for more torque and the abundant space utilization. Interior spoke-type magnet array in the rotor is designed for magnet flux focusi...

The recently developed Coupling-Loss-Induced Quench (CLIQ) protection system is a new method for initiating a fast and voluminous transition to the normal state for protecting high energy density superconducting magnets. Its simple and robust electrical design, its lower failure rate, and its more efficient energy deposition mechanism make CLIQ often preferable to other conventional quench prot...