Results 41 to 50 of about 13,780,098 (199)

Rigorous Analysis and Evaluation of Specific Absorption Rate (SAR) for Mobile Multimedia Healthcare

IEEE Access, 2018
The application of wireless body area network (WBAN) in health sector is crucial. It prolongs the life expectancy and improves the quality of life by enabling remote health monitoring. Despite many advantages, it may result and exacerbates various extant
Ghufran Ahmed, Saif Ul Islam, Maham Shahid, Adnan Akhunzada, Sohail Jabbar, Muhammad Khurram Khan, Muhammad Riaz, Kijun Han   +7 more
doaj   +1 more source

Simulated specific absorption rate and power loss of the individual phantom layers (PIFA).

, 2019
Simulated specific absorption rate and power loss of the individual phantom layers (PIFA).
Floris J. van Zyl (6751556), Johan Marais (6751559), Martin Nieuwoudt (110899), Thomas R. Niesler (5698232)   +3 more
core   +1 more source

Knee Joint Model Construction and Local Specific Absorption Rate Estimation Based on Generative Adversarial Networks

Chinese Journal of Magnetic Resonance, 2023
The local specific absorption rate (SAR) is an essential metric when assessing the safety of high-field magnetic resonance imaging (MRI). Usually, the subject-specific model is created from segmented magnetic resonance (MR) images, followed by SAR ...
REN Hongjin, MA Yan, XIAO Liang
doaj   +1 more source

Prediction of specific absorption rate in mother and fetus associated with MRI examinations during pregnancy

, 2006
There is uncertainty regarding the risk posed by magnetic resonance imaging (MRI) examinations to pregnant patients. The most frequently used methods, such as single-shot fast spin echo (ssFSE), often require operation at the specific absorption rate ...
Hand, J W, J.V. Hajnal, Hajnal, J.V., Thomas, E.L., Rutherford, M.A., Li, Y., E.L. Thomas, Y. Li, J.W. Hand, Hajnal, J V ; id_orcid, Thomas, E L, M.A. Rutherford, Hand, J.W., Rutherford, M A ; id_orcid   +13 more
core   +1 more source

Compact Ultra-­Wideband Planar Inverted F Antenna on Laminated Paper­-Based Substrate with Reduced Specific Absorption Rate

Electronics, 2023
This paper presents a laminated paper-based Planar Inverted F Antenna (PIFA) for wireless body area network (WBAN) applications. The major challenges like providing adequate thickness, uniformity of surface, and water wet ability associated with
Sakshi Kumari, Vibha R. Gupta
doaj   +1 more source

Wideband and High-Gain Wearable Antenna Array with Specific Absorption Rate Suppression

, 2021
In this paper, a wideband and high-gain antenna array with specific absorption rate suppression is presented. By adopting the wideband monopole antenna array and the uniplanar compact electromagnetic band gap (UC-EBG) structure, the proposed wearable ...
Wenhua Li, Haoran Zu, Jinjin Liu, Peibin Yang, Bian Wu   +4 more
core   +1 more source

Specific Absorption Rate and Maximum Permissible Input Power of Planar Inverted-F Antennas

Results in Engineering
The electromagnetic wave radiation toward human heads has gained attention due to a large number of mobile phone usage, especially concerning the planar inverted-F antenna (PIFA), which is commonly used in these devices.
Nurul Inshirah Mohd Razali, Norhudah Seman, Nor Aishah Muhammad   +2 more
doaj   +1 more source

Biological Effect from Mobile Phone to Human Head and Brain

RMUTL Engineering Journal, 2018
This article describes research entitled the simulation of effect from mobile phone to human head and brain. Based on three variables, they are comprised of electrical properties, averaged mass tissues of human head and brain and frequencies of ...
Piyapat Poungsri, Nonchanut Chudputi, Aphibal Pruksanubal   +2 more
doaj   +1 more source

A two-dimensional mathematical model of percutaneous drug absorption [PDF]

, 2004
Background When a drug is applied on the skin surface, the concentration of the drug accumulated in the skin and the amount of the drug eliminated into the blood vessel depend on the value of a parameter, r.
K Kubota, Kubota, K, Kubota K, George K, EH Twizell, Twizell EH, Twizell, E H, George, K, K George   +8 more
core   +1 more source

A new method of studying the relation between ionization rates and radio-wave absorption in polar-cap absorption events [PDF]

, 2005
International audienceDuring polar-cap absorption events, which are caused by the incidence of energetic solar protons, the high-latitude ionospheric D region is extended down to relatively low altitudes. While the incoming proton fluxes may be monitored
Hargreaves, J. K., J. K. Hargreaves
core   +2 more sources