Electromagnetic Fields

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  Subject Areas on Research

  • (1)H MRS detection of glycine residue of reduced glutathione in vivo. 
  • A numerical scheme for modeling wavefront propagation on a monolayer of arbitrary geometry. 
  • A single molecule detection method for understanding mechanisms of electric field-mediated interstitial transport of genes. 
  • Activation mapping as a percentage of local excitation: fMRI stability within scans, between scans and across field strengths. 
  • Anesthetic considerations for magnetic seizure therapy: a novel therapy for severe depression. 
  • Animal models of the mechanisms of action of repetitive transcranial magnetic stimulation (RTMS): comparisons with electroconvulsive shock (ECS). 
  • Application of the theory of optimal experiments to adaptive electromagnetic-induction sensing of buried targets. 
  • Assessment of a modified acoustic lens for electromagnetic shock wave lithotripters in a swine model. 
  • Assessment of early response to tumor-treating fields in newly diagnosed glioblastoma using physiologic and metabolic MRI: initial experience. 
  • Bioelectrorheological model of the cell. 5. Electrodestruction of cellular membrane in alternating electric field. 
  • Bipolar stimulation of a three-dimensional bidomain incorporating rotational anisotropy. 
  • Brain tumor epidemiology: consensus from the Brain Tumor Epidemiology Consortium. 
  • Calcium-ion efflux from brain tissue: power-density versus internal field-intensity dependencies at 50-MHz RF radiation. 
  • Characteristics of microstrip muscle-loaded single-arm Archimedean spiral antennas as investigated by FDTD numerical computations. 
  • Comparison of birefringent electric split-ring resonator and meanderline structures as quarter-wave plates at terahertz frequencies. 
  • Computation of transmitted and received B1 fields in magnetic resonance imaging. 
  • Controlling stimulation strength and focality in electroconvulsive therapy via current amplitude and electrode size and spacing: comparison with magnetic seizure therapy. 
  • Current density distributions, field distributions and impedance analysis of segmented deep brain stimulation electrodes. 
  • Deliberate seizure induction with repetitive transcranial magnetic stimulation in nonhuman primates. 
  • Design and testing of a controlled electromagnetic spinal cord impactor for use in large animal models of acute traumatic spinal cord injury. 
  • Design of a prospective, multicenter, global, cohort study of electromagnetic navigation bronchoscopy. 
  • Design of transcranial magnetic stimulation coils with optimal trade-off between depth, focality, and energy. 
  • Determination of mechanical and electronic shifts for pinhole SPECT using a single point source. 
  • ECT and TMS: past, present, and future. 
  • EEG effects of ECT: implications for rTMS. 
  • Effect of MR imaging on the normal human pineal body: measurement of plasma melatonin levels. 
  • Effect of ambient levels of power-line-frequency electric fields on a developing vertebrate. 
  • Effect of anatomical variability on electric field characteristics of electroconvulsive therapy and magnetic seizure therapy: a parametric modeling study. 
  • 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. 
  • Electric field of a six-needle array electrode used in drug and DNA delivery in vivo: analytical versus numerical solution. 
  • Electric field strength and focality in electroconvulsive therapy and magnetic seizure therapy: a finite element simulation study. 
  • Electric fields around and within single cells during electroporation-a model study. 
  • Electric fields within cells as a function of membrane resistivity--a model study. 
  • Electroconvulsive therapy in the presence of deep brain stimulation implants: electric field effects. 
  • Electromagnetohydrodynamic modeling of Lorentz effect imaging. 
  • Equalizing the electric field intensity within chick brain immersed in buffer solution at different carrier frequencies. 
  • Estimation of cardiac bidomain parameters from extracellular measurement: two dimensional study. 
  • Evidence of transcranial direct current stimulation-generated electric fields at subthalamic level in human brain in vivo. 
  • Fast temperature optimization of multi-source hyperthermia applicators with reduced-order modeling of 'virtual sources'. 
  • Field stimulation of 2-D sheets of excitable tissue. 
  • Field stimulation of cardiac fibers with random spatial structure. 
  • Field stimulation of cells in suspension: use of a hybrid finite element method. 
  • Finding neuroelectric activity under magnetic-field oscillations (NAMO) with magnetic resonance imaging in vivo. 
  • Finite element analysis of the current-density and electric field generated by metal microelectrodes. 
  • Frequency-dependent absorption of electromagnetic energy in biological tissue. 
  • Fundamentals of transcranial electric and magnetic stimulation dose: definition, selection, and reporting practices. 
  • Gradient-induced longitudinal relaxation of hyperpolarized noble gases in the fringe fields of superconducting magnets used for magnetic resonance. 
  • High-field (9.4 T) MRI of brain dysmyelination by quantitative mapping of magnetic susceptibility. 
  • Hybrid finite element method for describing the electrical response of biological cells to applied fields. 
  • Hybrid resonant phenomena in a SRR/YIG metamaterial structure. 
  • Hyperthermic effects on behavior. 
  • Immunologic and hematopoietic alterations by 2,450-MHz electromagnetic radiation. 
  • Implantable, polymeric systems for modulated drug delivery. 
  • In vitro Magnetic Stimulation: A Simple Stimulation Device to Deliver Defined Low Intensity Electromagnetic Fields. 
  • In vitro modulation of endogenous rhythms by AC electric fields: Syncing with clinical brain stimulation. 
  • Influence of white matter conductivity anisotropy on electric field strength induced by electroconvulsive therapy. 
  • Inhomogeneity-free heteronuclear iMQC. 
  • Internal field strength measurements in chick forebrains at 50, 147, and 450 MHz. 
  • Lateralized activation of Cluster N in the brains of migratory songbirds. 
  • Lorentz effect imaging of ionic currents in solution. 
  • Low-intensity alternating electric fields: a potentially safe and effective treatment of cancer? 
  • Magnetic field resulting from action currents on cylindrical fibres. 
  • Magnetic resonance imaging at high-strength magnetic fields. 
  • Magnetic seizure therapy improves mood in refractory major depression. 
  • Magnetic susceptibility anisotropy of human brain in vivo and its molecular underpinnings. 
  • Measurement of small mechanical vibrations of brain tissue exposed to extremely-low-frequency electric fields. 
  • Measuring long-lived 13C2 state lifetimes at natural abundance. 
  • Membrane current from transmembrane potentials in complex core-conductor models. 
  • Modeling electroporation in a single cell. 
  • Modeling the effects of electric fields on nerve fibers: determination of excitation thresholds. 
  • NMR studies of nucleic acid dynamics. 
  • Neurophysiological characterization of high-dose magnetic seizure therapy: comparisons with electroconvulsive shock and cognitive outcomes. 
  • Neuropsychiatric applications of transcranial magnetic stimulation: a meta analysis. 
  • New treatment approaches for osteonecrosis of the femoral head: an overview. 
  • Optical transducer for reception of ultrasonic waves. 
  • PEMF as treatment for delayed healing of foot and ankle arthrodesis. 
  • Physical activity and magnetic field exposure in pregnancy. 
  • Polarization of a spherical cell in a nonuniform extracellular electric field. 
  • Power density, field intensity, and carrier frequency determinants of RF-energy-induced calcium-ion efflux from brain tissue. 
  • Prediction of myelinated nerve fiber stimulation thresholds: limitations of linear models. 
  • Quick recovery of orientation after magnetic seizure therapy for major depressive disorder. 
  • Radiation patterns of dual concentric conductor microstrip antennas for superficial hyperthermia. 
  • Rapid and inexpensive fabrication of terahertz electromagnetic bandgap structures. 
  • Re: Breast cancer mortality among female electrical workers in the United States. 
  • Real-time three-dimensional echocardiography for determining right ventricular stroke volume in an animal model of chronic right ventricular volume overload. 
  • Regional electric field induced by electroconvulsive therapy in a realistic finite element head model: influence of white matter anisotropic conductivity. 
  • Relaxation of hyperpolarized 129Xe in a deflating polymer bag. 
  • Repetitive transcranial magnetic stimulation activates specific regions in rat brain. 
  • Safety and feasibility of magnetic seizure therapy (MST) in major depression: randomized within-subject comparison with electroconvulsive therapy. 
  • Self-orienting nanocubes for the assembly of plasmonic nanojunctions. 
  • Signal enhancement in CRAZED experiments. 
  • Simulation of electromagnetically induced hyperthermia: a finite element gridding method. 
  • Specific absorption rate in electrically coupled biological samples between metal plates. 
  • Study of diffusion in erythrocyte suspension using internal magnetic field inhomogeneity. 
  • The neurobiology of magnetoreception in vertebrate animals. 
  • The physics and neurobiology of magnetoreception. 
  • The role of spatial interactions in creating the dispersion of transmembrane potential by premature electric shocks. 
  • Thermoacoustic tomography forward modeling with the spectral element method. 
  • Thresholds for transverse stimulation: fiber bundles in a uniform field. 
  • Transport of superparamagnetic beads through a two-dimensional potential energy landscape. 
  • Ultraviolet surface-enhanced Raman scattering at the plasmonic band edge of a metallic grating. 
  • Update on magnetic seizure therapy: a novel form of convulsive therapy. 
  • Utility of treatment planning for thermochemotherapy treatment of nonmuscle invasive bladder carcinoma. 
  • Verification of a hyperthermia model method using MR thermometry. 
  • Viability of cancer cells exposed to pulsed electric fields: the role of pulse charge. 
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  Keywords of People

  • Chen, Nan-kuei, Adjunct Associate Professor in the Department of Radiology, Radiology
  • Craciunescu, Oana, Associate Professor of Radiation Oncology, Radiation Oncology
  • Henriquez, Craig S., Professor of Biomedical Engineering, Pratt School of Engineering
  • Johnson, G. Allan, Charles E. Putman University Professor of Radiology, Physics
  • Preminger, Glenn Michael, James F. Glenn, M.D. Professor of Urology, Surgery