Radio Waves

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  Subject Areas on Research

  • A heterogeneous human tissue mimicking phantom for RF heating and MRI thermal monitoring verification. 
  • A high-temperature superconducting Helmholtz probe for microscopy at 9.4 T. 
  • A magnetization-driven gradient echo pulse sequence for the study of myocardial perfusion. 
  • Across-vendor standardization of semi-LASER for single-voxel MRS at 3T. 
  • Adaptive integrated parallel reception, excitation, and shimming (iPRES-A) with microelectromechanical systems switches. 
  • Application of an integrated radio-frequency/shim coil technology for signal recovery in fMRI. 
  • Broadening of the RF power-density window for calcium-ion efflux from brain tissue. 
  • CEM43°C thermal dose thresholds: a potential guide for magnetic resonance radiofrequency exposure levels? 
  • Calcium-ion efflux from brain tissue: power-density versus internal field-intensity dependencies at 50-MHz RF radiation. 
  • Dorsal root ganglia pulsed radiofrequency treatment alters the spinal immune environment. 
  • Effects of ELF (1-120 Hz) and modulated (50 Hz) RF fields on the efflux of calcium ions from brain tissue in vitro. 
  • Effects of ELF fields on calcium-ion efflux from brain tissue in vitro. 
  • Effects of static and radiofrequency magnetic field inhomogeneity in ultra-high field magnetic resonance imaging. 
  • Endothelial cell growth on oxygen-containing films deposited by radio-frequency plasmas: the role of surface carbonyl groups. 
  • Environmental sources of radio frequency noise: potential impacts on magnetoreception. 
  • Extending the Sensitivity of CEST NMR Spectroscopy to Micro-to-Millisecond Dynamics in Nucleic Acids Using High-Power Radio-Frequency Fields. 
  • Facial pain due to vascular lesions of the brain stem relieved by dorsal root entry zone lesions in the nucleus caudalis. Report of two cases. 
  • Gray whales strand more often on days with increased levels of atmospheric radio-frequency noise. 
  • Hyperthermic effects on behavior. 
  • In vivo dielectric properties of human skin from 50 MHz to 2.0 GHz. 
  • Integrated parallel reception, excitation, and shimming (iPRES) with multiple shim loops per radio-frequency coil element for improved B0 shimming. 
  • Integrated radio-frequency/wireless coil design for simultaneous MR image acquisition and wireless communication. 
  • Internal field strength measurements in chick forebrains at 50, 147, and 450 MHz. 
  • Multiple power-density windows and their possible origin. 
  • Non-invasive thermometry using magnetic resonance diffusion imaging: potential for application in hyperthermic oncology. 
  • Observations on the use of ferromagnetic implants for inducing hyperthermia. 
  • Off-center spherical model for dosimetry calculations in chick brain tissue. 
  • Potential and limitations of angle-independent flow detection algorithms using radio-frequency and detected echo signals. 
  • Power density, field intensity, and carrier frequency determinants of RF-energy-induced calcium-ion efflux from brain tissue. 
  • Radiofrequency Scanning for Retained Surgical Items Can Cause Electromagnetic Interference and Pacing Inhibition if an Asynchronous Pacing Mode Is Not Applied. 
  • Radiofrequency catheter ablation for the treatment of human type 1 atrial flutter. Identification of a critical zone in the reentrant circuit by endocardial mapping techniques. 
  • Recent Advances in Radio-Frequency Coil Technologies: Flexible, Wireless, and Integrated Coil Arrays. 
  • Relaxation of hyperpolarized 129Xe in a deflating polymer bag. 
  • Stretchable microfluidic radiofrequency antennas. 
  • Temperature-controlled and constant-power radio-frequency ablation: what affects lesion growth? 
  • The differential effects of 200, 591, and 2,450 MHz radiation on rat brain energy metabolism. 
  • Thermal-perfusion balloon coronary angioplasty: in vivo evaluation. 
  • Transmission latencies in a telemetry-linked brain-machine interface. 
  • Wireless multichannel biopotential recording using an integrated FM telemetry circuit. 
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  Keywords of People

  • Craciunescu, Oana, Professor of Radiation Oncology, Radiation Oncology
  • Preminger, Glenn Michael, James F. Glenn, M.D. Distinguished Professor of Urology, Surgery, Urology