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Showing results for: EMP

Hepatocellular carcinoma therapy finds a channel on the radio

Research RF Safe Research Library Jan 1, 2019

This EBioMedicine commentary discusses tumour-specific amplitude-modulated RF EMF as an anti-cancer therapy for hepatocellular carcinoma and highlights Cav3.2 (CACNA1H) T-type calcium channels as a proposed mediator of the effect. It notes that the reported whole-body averaged SAR in a treated HCC patient was below…

Evaluation of the safety of users of active implantable medical devices (AIMD) in the working environment in terms of exposure to electromagnetic fields - Practical approach to the requirements of European Directive 2013/35/EU.

Research RF Safe Research Library Jan 1, 2018

This study assessed electromagnetic field exposure near common strong EMF sources in medical and industrial workplaces to estimate standard safety distances (SSD) for workers using active implantable medical devices (AIMD). Using measurements near 127 devices, the longest SSDs were reported near dielectric sealers…

AN EMPIRICAL STUDY: THE IMPACT OF THE NUMBER OF USERS ON ELECTRIC FIELD STRENGTH OF WIRELESS COMMUNICATIONS.

Research RF Safe Research Library Jan 1, 2018

This study used real-time measurements on a university campus to examine how the number of users relates to RF electric field strength from cellular systems and a Wi-Fi access point. The authors report empirical models that estimate E from user counts, with stated accuracies of 86% for cellular-related measurements…

Effect of Microwave Wi-Fi Radiation at Frequency of 2.4 GHz on Epileptic Behavior of Rats.

Research RF Safe Research Library Jan 1, 2018

This animal study exposed rats to 2.4 GHz Wi-Fi radiation for 2 hours at 30 cm from a commercial router and assessed PTZ-induced convulsive behavior. The Wi-Fi "on" PTZ group showed significant differences in seizure event counts and summed severity scores versus comparison groups, while several timing and duration…

Evaluation of MRI RF electromagnetic field induced heating near leads of cochlear implants.

Research RF Safe Research Library Jan 1, 2018

This simulation study evaluated RF-induced heating near cochlear implant leads during 1.5 T MRI using a transfer function method. Across studied configurations, the average temperature rise was 0.79 °C and the maximum was 2.80 °C at a whole-body average SAR of 2 W/kg. The authors report that lead trajectory and MRI…

Does acute radio-frequency electromagnetic field exposure affect visual event-related potentials in healthy adults?

Research RF Safe Research Library Jan 1, 2018

This double-blind, randomized, counterbalanced study tested whether acute GSM-like 920 MHz RF-EMF exposure affects visual event-related potentials in 36 healthy adults. Compared with sham, exposure was associated with reduced P1 amplitude and increased anterior N1 latency, with no effects on other ERP measures. The…

Novel synthesis of MeO (Ni, Cu, La)@Nano-CoO from combination of complexation and impregnation in ultrasonic intervention for low temperature oxidation of toluene under microwave radiation.

Research RF Safe Research Library Jan 1, 2018

This engineering study describes synthesis of nano-metal binary oxide catalysts using complexation and impregnation with ultrasonic intervention for low-temperature catalytic oxidation of toluene under microwave radiation. The La-Co catalyst prepared with ultrasonic intervention is reported to have the best…

NTP Technical Report on the Toxicology and Carcinogenesis Studies: GSM- and CDMA-modulated Cell Phone RFR, NTP TR 595

Research RF Safe Research Library Jan 1, 2018

This NTP technical report describes long-term rat studies exposing animals to 900 MHz GSM and CDMA-modulated radiofrequency radiation at whole-body SAR levels of 0, 1.5, 3, and 6 W/kg, including exposure beginning before birth. The abstract reports NTP concluded there was "clear evidence" for malignant schwannoma of…

C-phycocyanin extraction assisted by pulsed electric field from Artrosphira platensis.

Research RF Safe Research Library Jan 1, 2017

This engineering/food-processing study evaluates pulsed electric field (PEF) treatment of fresh Artrhospira platensis biomass to enhance aqueous extraction of C-phycocyanin. Extraction depended on electric field strength, treatment time, and application temperature, with higher temperatures reducing the required…

Quality stability and sensory attributes of apple juice processed by thermosonication, pulsed electric field and thermal processing.

Research RF Safe Research Library Jan 1, 2017

This study compared thermosonication, pulsed electric field, and thermal processing for preserving Royal Gala apple juice and evaluated sensory attributes and quality stability during 30 days of storage at 3°C and 20°C. Thermosonication and pulsed electric field produced juices with different taste compared with…

Effects of pH, temperature and pulsed electric fields on the turbidity and protein aggregation of ovomucin-depleted egg white.

Research RF Safe Research Library Jan 1, 2017

This laboratory study assessed how pH, temperature, and pulsed electric fields (PEF) affect turbidity and protein aggregation in ovomucin-depleted egg white solutions. Heating to 60°C for 10 minutes produced marked aggregation at several pH levels, while PEF caused some aggregation only at pH 5 and 7 under the…

The effects of electromagnetic fields on B16-BL6 cells are dependent on their spatial and temporal character.

Research RF Safe Research Library Jan 1, 2017

This in vitro study tested several complex low-intensity, low-frequency EMF patterns on proliferation of B16-BL6 mouse melanoma cells. A specific pattern (Thomas-EMF) with a 3 ms point duration reportedly inhibited proliferation and increased calcium uptake, while other timing settings did not. The authors conclude…

Radiofrequency exposure in the Neonatal Medium Care Unit.

Research RF Safe Research Library Jan 1, 2017

This exposure assessment characterized RF-EMF levels in a Neonatal Medium Care Unit and inside incubators using spot and long-term dosimeter measurements. Reported levels varied by location (higher near a window and near the evaluated incubator) and by time (higher at night than during the day). The authors emphasize…

Non-conductive and miniature fiber-optic imaging system for real-time detection of neuronal activity in time-varying electromagnetic fields.

Research RF Safe Research Library Jan 1, 2017

This paper describes a non-conductive, miniature fiber-optic imaging system designed to record neuronal activity in real time during repetitive, long-term time-varying EMF exposure. Using the system, the authors report that short exposures (

Long-Term Evolution Electromagnetic Fields Exposure Modulates the Resting State EEG on Alpha and Beta Bands.

Research RF Safe Research Library Jan 1, 2017

This study evaluated whether exposure to EMF from an LTE system (described as equivalent to maximum LTE mobile phone emission) alters resting-state EEG. The abstract reports reduced spectral power and reduced interhemispheric coherence in alpha and beta bands in frontal and temporal regions. It also reports no…

Antenna Design and SAR Analysis on Human Head Phantom Simulation for Future Clinical Applications.

Research RF Safe Research Library Jan 1, 2017

This study developed a mathematical and computer simulation model to analyze RF-EMF exposure in a human head phantom, motivated by potential therapeutic applications. The modeled exposure used a Yagi-Uda antenna at 64 MHz with SAR 0.6 W/kg and compared field distribution using one versus four antennas. COMSOL Bioheat…

The effect of a high frequency electromagnetic field in the microwave range on red blood cells.

Research RF Safe Research Library Jan 1, 2017

An in vitro study examined red blood cells exposed to an 18 GHz electromagnetic field and assessed uptake of nanospheres. The authors report that EMF exposure enabled nanosphere uptake into RBCs, with different translocation behavior for 23.5 nm versus 46.3 nm particles. Uptake was reported to increase with higher…

[Effect of stress and intesity of mobile phone using on the health and subjective symptoms in GSM workers].

Research RF Safe Research Library Jan 1, 2017

This cross-sectional questionnaire study examined stress and mobile phone use in GSM network employees. Stress measures differed across groups defined by phone use duration and conversation length. Speaking on a mobile phone for more than 60 minutes/day was associated with a higher reported risk of headaches even…

Radiation from wireless technology elevates blood glucose and body temperature in 40-year-old type 1 diabetic male.

Research RF Safe Research Library Jan 1, 2017

This case report describes a 40-year-old male with type 1 diabetes who reported repeated episodes of markedly elevated blood glucose associated with nearby microwave radiation from wireless technology, with decreases after exposure ended. In one episode, body temperature also increased, and both measures reportedly…

Gerontechnologies for Older Patients with Heart Failure: What is the Role of Smartphones, Tablets, and Remote Monitoring Devices in Improving Symptom Monitoring and Self-Care Management?

Research RF Safe Research Library Jan 1, 2016

This review-style article discusses gerontechnologies—mobile applications on smartphones/tablets and remote monitoring systems—for outpatient symptom monitoring and self-care management in older adults with heart failure. It frames these tools as potentially cost-effective and accessible when designed for older…

A wearable bluetooth LE sensor for patient monitoring during MRI scans.

Research RF Safe Research Library Jan 1, 2016

This engineering paper reports a prototype wearable patient-monitoring device that transmits vital-sign measurements via Bluetooth LE during MRI. Across 7 MRI acquisitions (25 minutes total), the authors report no Bluetooth packet loss, increased PPG noise during MRI, and no effect on temperature/humidity readings.…

Automated ABO Rh-D blood type detection using smartphone imaging for point-of-care medical diagnostics.

Research RF Safe Research Library Jan 1, 2016

This conference paper describes an automated method for ABO and Rh-D blood typing using images captured by low-cost mobile phones of a fabric strip rapid diagnostic test. The approach applies morphological image processing steps including noise reduction, range filtering, and empirically derived heuristics to…

In-to-out body path loss for wireless radio frequency capsule endoscopy in a human body.

Research RF Safe Research Library Jan 1, 2016

This engineering study uses a 3D electromagnetic solver to simulate in-to-out body RF path loss for a wireless capsule endoscopy link. The capsule antenna is tuned for the 402 MHz MICS band while accounting for human body properties. The authors examine how capsule misalignment, rotation, and the human body model…

Analysis of personal and bedroom exposure to ELF-MFs in children in Italy and Switzerland.

Research RF Safe Research Library Jan 1, 2016

This exposure assessment study measured personal and bedroom extremely low-frequency magnetic field (ELF-MF) exposures in 172 children (5–13 years) in Switzerland and Italy. Geometric mean exposures were low on average (0.04 μT personal; 0.05 μT bedroom), but were higher among children living within 100 m of a…

Effects of Anatomical Differences on Electromagnetic Fields, SAR, and Temperature Change.

Research RF Safe Research Library Jan 1, 2016

This engineering study evaluates how anatomical/geometric differences affect MRI RF safety metrics. Simulations and a bovine-phantom experiment found that similar transmit B-field patterns can coincide with notably different peak SAR and temperature rise. The authors highlight challenges in using…

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