Numerical and Experimental Analysis of Radiofrequency-Induced Heating Versus Lead Conductivity During EEG-MRI at 3 T [0.03%]
3T条件下EEG-MRI检查中射频致热效应与电极导电性问题的数值和实验分析研究
Seyed Reza Atefi,Peter Serano,Catherine Poulsen et al.
Seyed Reza Atefi et al.
This study investigates radiofrequency (RF)-induced heating in a head model with a 256-channel electroencephalogram (EEG) cap during magnetic resonance imaging (MRI). Nine computational models were implemented each with different EEG lead e...
International Intercomparison of Specific Absorption Rates in a Flat Absorbing Phantom in the Near-Field of Dipole Antennas [0.03%]
偶极天线近场环境下平板吸收体内的国际比对特定吸收率实验
Christopher C Davis,Brian B Beard,Ahlia Tillman et al.
Christopher C Davis et al.
This paper reports the results of an international intercomparison of the specific absorption rates (SARs) measured in a flat-bottomed container (flat phantom), filled with human head tissue simulant fluid, placed in the near-field of custo...
Comparisons of Computed Mobile Phone Induced SAR in the SAM Phantom to That in Anatomically Correct Models of the Human Head [0.03%]
手机辐射模型的比较研究
Brian B Beard,Wolfgang Kainz,Teruo Onishi et al.
Brian B Beard et al.
The specific absorption rates (SAR) determined computationally in the specific anthropomorphic mannequin (SAM) and anatomically correct models of the human head when exposed to a mobile phone model are compared as part of a study organized ...
RF Safety Evaluation of a Breast Tissue Expander Device for MRI: Numerical Simulation and Experiment [0.03%]
乳腺植入扩张器的射频安全评估：数值模拟与实验研究
Bu S Park,Amir Razjouyan,Leonardo M Angelone et al.
Bu S Park et al.
This study describes the MRI-related radio frequency (RF) safety evaluation of breast tissue expander devices to establish safety criteria. Numerical simulations and experimental measurements were performed at 64 MHz with a gel phantom cont...
Improvement of Electromagnetic Field Distributions Using High Dielectric Constant (HDC) Materials for CTL-Spine MRI: Numerical Simulations and Experiments [0.03%]
基于CTL-Spine核磁共振的高介电常数材料电磁场分布优化：数值仿真与实验研究
Bu S Park,Brent McCright,Leonardo M Angelone et al.
Bu S Park et al.
This study investigates the use of pads with high dielectric constant (HDC) materials to alter electromagnetic field distributions in patients during magnetic resonance imaging (MRI). The study was performed with numerical simulations and p...
Life-Time Dosimetric Assessment for Mice and Rats Exposed in Reverberation Chambers of the 2-Year NTP Cancer Bioassay Study on Cell Phone Radiation [0.03%]
国家毒性项目(NTP)关于手机辐射致癌生物试验的两年研究中在回声室暴露的小鼠和大鼠一生中的剂量评估
Yijian Gong,Myles Capstick,Sven Kuehn et al.
Yijian Gong et al.
In this paper, we present the detailed life-time dosimetry analysis for rodents exposed in the reverberation exposure system designed for the two-year cancer bioassay study conducted by the National Toxicology Program of the National Instit...
A Radio Frequency Radiation Exposure System for Rodents based on Reverberation Chambers [0.03%]
基于电波暗室的啮齿动物射频辐射暴露系统
Myles Capstick,Niels Kuster,Sven Kuehn et al.
Myles Capstick et al.
In this paper we present the novel design features, their technical implementation, and an evaluation of the radio Frequency (RF) exposure systems developed for the National Toxicology Program (NTP) of the National Institute of Environmenta...