Introduction A loop T/R coil is simple to build and versatile to apply at different anatomies for various proton imaging or spectroscopy purposes. It has been widely used in both 1.5T and 3T MRI systems and provides reasonable B1 field uniformity in the coil coverage area for those field strengths. However, at ultra-high fields such as 7T, B1 field from a single loop coil is strongly disturbed ...

A surface coil for MRI consisted of two concentric loops was developed to produce brain images with a commercial MR imager. Prior to build the coil prototype, the magnetic field (B1) generated by the coil was numerically simulated. This field simulation is based on the Biot-Savart law for the circularand square-shaped loop coils. From these theoretical results, we can appreciate an improvement ...

Contemporary lab-chip devices require efficient, high-performance mixing capability. A series of artificial cilia with embedded magnetic particles was fabricated to achieve precise flow manipulation through magnetically driven control. These fabricated structures were actuated in a homogeneous magnetic field generated by a built-in magnetic coil system for various beating cycles inside a microc...

Noninvasive neuromodulation techniques such as Transcranial Magnetic Stimulation are enabled by electromagnetic induction with applications in neuroscience research and the treatment of neurological disorders. Current systems effective but continues on improving key performance metrics precise targeting, focality, depth penetration. Additional functions also being studied; tunable excitation fi...

Introduction The growing availability of high-field whole body scanners has generated increasing interest in non-proton in vivo spectroscopy, and with it, multinuclear RF coil design. In most non-proton applications, simultaneous or sequential operation at the proton frequency is required as well; proton decoupling, scout imaging, and polarization transfer methods are cases where transmission/r...