No adverse effects detected for simultaneous whole-body exposure to multiple-frequency radiofrequency electromagnetic fields for rats in the intrauterine and pre- and post-weaning periods.
Research
RF Safe Research Library
Jan 1, 2017
This animal study exposed pregnant Sprague-Dawley rats and their offspring to simultaneous whole-body multifrequency RF signals spanning 800 MHz to 5.2 GHz. Exposure occurred 20 hours per day from gestational day 7 to weaning, with F1 offspring exposed up to 6 weeks of age. Across multiple endpoints including growth,…
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…
Semi-quantitative proteomics of mammalian cells upon short-term exposure to non-ionizing electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2017
This in vitro study used proteome-wide semi-quantitative mass spectrometry to assess molecular changes after short-term exposure to ELF (50 Hz), UMTS (2.1 GHz), and WiFi (5.8 GHz) in human and mouse cell types. The authors report that fewer than 1% of quantified proteins changed slightly in abundance and that…
Evaluation of the Effect of Radiofrequency Radiation Emitted From Wi-Fi Router and Mobile Phone Simulator on the Antibacterial Susceptibility of Pathogenic Bacteria and .
Research
RF Safe Research Library
Jan 1, 2017
This in vitro study assessed whether RF-EMF exposure from a GSM 900 MHz mobile phone simulator and a 2.4 GHz Wi-Fi router alters bacterial susceptibility to antibiotics. The authors report significant changes in inhibition zone diameters and bacterial growth rate after exposure. They also describe an exposure window…
The influence of prenatal 10 GHz microwave radiation exposure on a developing mice brain.
Research
RF Safe Research Library
Jan 1, 2017
This animal study examined prenatal exposure to 10 GHz microwave radiation starting at gestation day 0.25 or 11.25 until term. At 3 weeks of age, offspring from exposed pregnancies showed reduced brain and body weight and biochemical changes consistent with oxidative stress compared with sham controls. The authors…
Microwave radiation (2.45 GHz)-induced oxidative stress: Whole-body exposure effect on histopathology of Wistar rats.
Research
RF Safe Research Library
Jan 1, 2017
This animal study examined whole-body exposure to 2.45 GHz microwave radiation for 2 h/day over 35 days in male Wistar rats. The authors report increased lipid peroxidation (LPO) in liver, brain, and spleen and histological changes across multiple organs compared with sham-exposed controls. They conclude the exposure…
Gold Nanocluster-Mediated Cellular Death under Electromagnetic Radiation.
Research
RF Safe Research Library
Jan 1, 2017
This study investigated 2 nm protein-stabilized gold nanoclusters in six mammalian cell types under 1 GHz electromagnetic field exposure. The authors report low intrinsic toxicity of the nanoclusters, but a significant decrease in cell viability when nanocluster-incubated cells were exposed to the 1 GHz field,…
Auto-Tuning and Self-Calibration of High-Sensitivity Radio Frequency Interferometers.
Research
RF Safe Research Library
Jan 1, 2016
This engineering paper demonstrates an auto-tuning method for a high-sensitivity RF interferometer using a tunable liquid attenuator controlled by liquid volume. The authors report an effective quality factor up to 1×10 at ~5 GHz and a self-calibration/measurement process from 2 to 7.5 GHz using a methanol-water…
Effects of electromagnetic field (1.8/0.9 GHz) exposure on growth plate in growing rats.
Research
RF Safe Research Library
Jan 1, 2016
This animal study examined whole-body RF-EMF exposure (900 or 1800 MHz) for 2 hours/day over 90 days in growing male rats, compared with sham controls. Exposed rats showed greater weight and length increases and higher levels of several hormones and calcium. The study also reports changes in femoral growth plate…
2.45 GHz Microwave Radiation Impairs Learning and Spatial Memory via Oxidative/Nitrosative Stress Induced p53-Dependent/Independent Hippocampal Apoptosis: Molecular Basis and Underlying Mechanism
Research
RF Safe Research Library
Jan 1, 2015
This animal study exposed male Swiss mice to 2.45 GHz continuous-wave microwave radiation for 2 hours/day over 15, 30, or 60 days. The authors report increased hippocampal oxidative/nitrosative stress and increased apoptosis in neuronal and nonneuronal hippocampal subfields. They also report duration-dependent…
Effects of Wi-Fi (2.45 GHz) Exposure on Apoptosis, Sperm Parameters and Testicular Histomorphometry in Rats: A Time Course Study
Research
RF Safe Research Library
Jan 1, 2015
This animal experimental study exposed male Wistar rats to 2.45 GHz Wi-Fi radiation for 1 or 7 hours per day over two months and compared them with unexposed controls. The abstract reports time-dependent decreases in sperm parameters alongside increased apoptotic markers (apoptosis-positive cells and caspase-3…
The effects of radio-frequency electromagnetic fields on T cell function during development
Research
RF Safe Research Library
Jan 1, 2015
This animal study exposed developing Sprague Dawley rats to 2.14 GHz W-CDMA RF-EMF at a whole-body SAR of 0.2 W/kg for 9 weeks (20 h/day). No differences were reported in multiple T cell population measures across blood, spleen, and thymus. Some Th1/Th2-related genes were upregulated (notably in thymus), but serum…
Electromagnetic field exposure assessment in Europe radiofrequency fields (10 MHz-6 GHz).
Research
RF Safe Research Library
Jan 1, 2015
This paper provides an overview of published RF EMF exposure measurements in Europe and characterizes population exposure patterns. Across included spot and long-term measurement studies, reported mean electric field strengths were generally low (mostly
Effects of a continuous electromagnetic field on wound healing in human airway.
Research
RF Safe Research Library
Jan 1, 2015
This in vitro study exposed BEAS-2B human bronchial epithelial cells to a 1.8-GHz continuous EMF at SAR 1.0 W/kg and assessed wound-healing related endpoints. EMF exposure decreased cell migration in a scratch assay compared with controls. The authors report no cytotoxicity, no inhibition of proliferation, and no…
RF Shielded Hat for Protecting Cameraman from EMF Exposure
Research
RF Safe Research Library
Jan 1, 2014
The paper describes the development of RF-shielded hats using a microwave absorbing sheet intended to reduce EMF exposure to a cameraman’s head. Three hat designs are described, and measurements are planned/performed in an anechoic chamber using a wireless video camera operating around 1.9–2.7 GHz, including a 2.45…
2.45-GHz microwave irradiation adversely affects reproductive function in male mouse, Mus musculus by inducing oxidative and nitrosative stress
Research
RF Safe Research Library
Jan 1, 2014
This animal study exposed 12-week-old male Swiss strain mice to non-thermal low-level 2.45-GHz microwave radiation for 2 hours per day over 30 days (SAR 0.018 W/kg). The abstract reports reduced sperm count and viability, testicular structural changes, lower 3β-HSD activity and plasma testosterone, and increased…
Electromagnetic radiation (Wi-Fi) and epilepsy induce calcium entry and apoptosis through activation of TRPV1 channel in hippocampus and dorsal root ganglion of rats
Research
RF Safe Research Library
Jan 1, 2014
This animal study examined 2.45 GHz Wi-Fi exposure in a PTZ-induced epilepsy rat model using freshly isolated hippocampal and DRG neurons. The authors report that epilepsy increased Ca(2+) influx, oxidative stress markers, and apoptosis-related outcomes, and that Wi-Fi exposure produced additional increases in…
Stable radio frequency dissemination by simple hybrid frequency modulation scheme.
Research
RF Safe Research Library
Jan 1, 2014
This engineering paper describes a fiber-based method for stable radio-frequency dissemination using a hybrid frequency modulation approach. Two RF components are transmitted simultaneously using a single laser diode, with one component used for phase fluctuation detection and the other providing a compensated stable…
Wireless Communication of Intraoral Devices and Its Optimal Frequency Selection.
Research
RF Safe Research Library
Jan 1, 2014
This engineering study assesses optimal RF frequencies for wireless communication with intraoral electronic devices using an intraoral tongue drive system as an example. It compares 27 MHz, 433.9 MHz, and 2.48 GHz based on path loss, radiation patterns, and bit error rate tests, with adaptive impedance matching…
Reactive oxygen species elevation and recovery in Drosophila bodies and ovaries following short-term and long-term exposure to DECT base EMF.
Research
RF Safe Research Library
Jan 1, 2014
This animal study measured ROS in Drosophila bodies and ovaries after short- and long-term exposure to DECT base RF (1.88–1.90 GHz; SAR 0.009 W/kg). The abstract reports increased ROS in bodies after 6 h exposure and in ovaries after 0.5–1 h exposure, with apparent saturation under longer continuous exposure. It also…
Linear and stable photonic radio frequency phase shifter based on a dual-parallel Mach-Zehnder modulator using a two-drive scheme.
Research
RF Safe Research Library
Jan 1, 2013
This paper presents a theoretical and experimental demonstration of a photonic RF phase shifter based on a dual-parallel Mach-Zehnder modulator using a two-drive scheme. The approach aims to mitigate residual optical carrier effects and avoid a lowest-frequency limitation from an optical filter by driving the…
A mm-sized wirelessly powered and remotely controlled locomotive implant.
Research
RF Safe Research Library
Jan 1, 2012
This engineering paper describes a mm-scale implantable device that is wirelessly powered and remotely controlled to locomote in a fluid medium. The prototype is reported to receive 500 µW from a 2 W, 1.86 GHz RF power signal at 5 cm and to support 2.5–25 Mbps data rates using asynchronous PWM on the carrier. The…
Citrate-capped gold nanoparticle electrophoretic heat production in response to a time-varying radiofrequency electric-field.
Research
RF Safe Research Library
Jan 1, 2012
This in vitro study examines RF-induced heat production in citrate-capped gold nanoparticle suspensions while minimizing confounding Joule heating from ionic buffers. It reports size-dependent heating detectable only for ≤10 nm particles, with heating scaling with concentration and surface area and being attenuated…
Effects of radiofrequency radiation exposure on blood-brain barrier permeability in male and female rats
Research
RF Safe Research Library
Jan 1, 2011
This rat study tested whether acute exposure to 0.9 and 1.8 GHz continuous-wave radiofrequency radiation alters blood-brain barrier permeability. Using Evans-blue/albumin as a tracer, the authors report no BBB leakage in exposed female rats but a significant increase in albumin in exposed male rat brains versus sham.…
Correction of microcirculatory disturbances with terahertz electromagnetic radiation at nitric oxide frequencies in albino rats under conditions of acute stress.
Research
RF Safe Research Library
Jan 1, 2011
This animal study reports that terahertz electromagnetic irradiation at nitric oxide (NO)-related frequencies (150.176150.664 GHz) corrected peripheral microcirculatory disturbances in albino rats experiencing acute immobilization stress. The abstract frames the effect as a correction of stress-related peripheral…