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Using mobile phones and social media to facilitate education and support for rural-based midwives in South Africa.

Research RF Safe Research Library Jan 1, 2015

This cross-sectional survey assessed how rural-based advanced midwives in South Africa perceive and use mobile phones for education and professional activities. Among 56 respondents, most reported frequent use of mobile phone functions to support work and learning despite low self-rated technology competence and…

Correlates of mobile phone use in HIV care: Results from a cross-sectional study in South Africa.

Research RF Safe Research Library Jan 1, 2015

This cross-sectional study surveyed 883 HIV-infected patients on ART in Soweto, South Africa, to identify demographic correlates of using mobile phones as reminder tools. Older age, female gender, and lower education were associated with lower use of phones for clinic appointment reminders. Older age and lower income…

[The combined action of drinking mineral water and low-intensity electromagnetic radiation under the immobilization stress conditions (an experimental study)].

Research RF Safe Research Library Jan 1, 2015

This animal experimental study examined combined exposure to potable mineral water and low-intensity ultrahigh-frequency electromagnetic radiation (~1000 MHz;

Thick multilayered (silica/gold) dipole nano-antenna.

Research RF Safe Research Library Jan 1, 2015

This engineering study examines composite optical dipole nano-antennas made of alternating silica and gold layers. It reports that a 50% filling factor yields a 2.0× increase in electric-field enhancement compared with a pure-gold antenna. The abstract frames the work in terms of photonics applications rather than…

Using ultrasound radio frequency technology to assess regression of the structure and function of the carotid artery by radioiodine therapy in hyperthyroidism patients.

Research RF Safe Research Library Jan 1, 2015

This study enrolled 70 patients with primary hyperthyroidism and 74 healthy volunteers and assessed carotid artery structure and function using ultrasound RF data parameters before and after 131I therapy. Hyperthyroid patients showed worse carotid IMT and stiffness-related measures than controls at baseline. After…

New hybrid frequency reuse method for packet loss minimization in LTE network.

Research RF Safe Research Library Jan 1, 2015

This engineering study addresses inter-cell interference in LTE networks as a driver of packet loss between base stations and mobile stations. It examines Soft Frequency Reuse (SFR) and implements a new hybrid frequency reuse method with greater total system bandwidth than SFR while keeping per-cell bandwidth the…

In Vivo Wireless Monitoring System of Cardiovascular Force Data.

Research RF Safe Research Library Jan 1, 2015

This paper describes development of a fully implantable biotelemetry system that wirelessly transmits cardiac biomechanical force data along with ECG. The system uses a microcontroller with a bidirectional RF transceiver and was tested in a porcine model. The authors report successful transmission and recording of…

Application of pulsed electric field in the production of juice and extraction of bioactive compounds from blueberry fruits and their by-products.

Research RF Safe Research Library Jan 1, 2015

This study investigated pulsed electric field (PEF) pre-treatment of blueberries and its impact on juice production and recovery of bioactive compounds from press cake. PEF at 1–5 kV/cm (10 kJ/kg) increased juice yield and increased phenolics, anthocyanins, and antioxidant activity in juice compared with untreated…

Visualization of the radiofrequency lesion after pulmonary vein isolation using delayed enhancement magnetic resonance imaging fused with magnetic resonance angiography.

Research RF Safe Research Library Jan 1, 2015

This study evaluated whether fusing delayed enhancement MRI (DE-MRI) with magnetic resonance angiography (MRA) improves visualization of radiofrequency ablation lesions after pulmonary vein isolation. Eighteen atrial fibrillation ablation patients underwent both imaging approaches, and two observers scored lesion…

Visualizing radiofrequency lesions using delayed-enhancement magnetic resonance imaging in patients with atrial fibrillation: A modification of the method used by the University of Utah group.

Research RF Safe Research Library Jan 1, 2015

This feasibility study evaluated whether delayed-enhancement MRI (DE-MRI) using commercially available tools could visualize radiofrequency ablation lesions in Japanese patients with atrial fibrillation. Of 15 scans, 3 were uninterpretable due to low image quality, and lesions were visualized in 8 of the remaining 12…

Gamma radiation and magnetic field mediated delay in effect of accelerated ageing of soybean.

Research RF Safe Research Library Jan 1, 2015

This study evaluated gamma radiation and static magnetic field treatments on soybean seeds stored for six months and then subjected to accelerated ageing. The authors report that certain gamma doses (3–5 kGy) and magnetic field strengths (100–200 mT) helped maintain seed protein/oil characteristics and antioxidant…

Strain in YBCO Double-Pancake Coil With Stainless Steel Overband Under External Magnetic Field.

Research RF Safe Research Library Jan 1, 2015

This engineering study evaluates mechanical hoop strain in a YBCO coated-conductor double-pancake coil intended for a high-field HTS insert in an NMR magnet. The authors present experimental strain-gauge measurements and analytical stress/strain calculations for a coil operated with and without a stainless steel…

The effect of exposure of rats during prenatal period to radiation spreading from mobile phones on renal development.

Research RF Safe Research Library Jan 1, 2015

This animal study exposed pregnant Sprague-Dawley rats to a 900 MHz electromagnetic field during the first 20 days of pregnancy and assessed prenatal renal development. The exposed group showed reported histopathological kidney changes and increased caspase-3 staining suggestive of higher apoptosis compared with…

An open-label pilot study of pulsed electromagnetic field therapy in the treatment of failed back surgery syndrome pain.

Research RF Safe Research Library Jan 1, 2015

This open-label exploratory pilot study evaluated pulsed electromagnetic field therapy given twice daily for 45 days in 34 people with persistent or recurrent pain after back surgery. Among 30 per-protocol completers, 33% met a responder definition of ≥30% pain intensity reduction, and pain improvements were reported…

Electromagnetic fields (UHF) increase voltage sensitivity of membrane ion channels; possible indication of cell phone effect on living cells.

Research RF Safe Research Library Jan 1, 2015

This in vitro study used voltage clamp recordings of single OmpF porin channels in an artificial bilayer to test effects of UHF EMF (910–990 MHz). The authors report frequency-dependent changes in channel gating, with increased gating frequency and voltage sensitivity and a maximum effect at 930 MHz. Conductance was…

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

Experimental model for ELF-EMF exposure: Concern for human health.

Research RF Safe Research Library Jan 1, 2015

This in vitro study examined whether extremely low frequency EMF exposure alters MCP-1 expression in several human cell lines. Cells were exposed to a 50 Hz sinusoidal field at 1 mT (rms), and the authors report that MCP-1 expression was modified in a cell-type-dependent manner. The findings are described as…

Effects of extremely low frequency electromagnetic fields on paraoxonase serum activity and lipid peroxidation metabolites in rat

Research RF Safe Research Library Aug 13, 2014

This randomized animal experiment examined whether 60 Hz extremely low frequency magnetic field (ELF-MF) exposure alters oxidative stress-related biomarkers in 75 Wistar rats. The authors report increased lipid peroxidation markers after both single and 14-day exposures, alongside changes in antioxidant-related…

Sleep quality and general health status of employees exposed to extremely low frequency magnetic fields in a petrochemical complex

Research RF Safe Research Library Apr 29, 2014

This cross-sectional study measured ELF magnetic flux density in a petrochemical complex substation environment and assessed workers' sleep quality (PSQI) and general health (GHQ). It reports significant differences between case and control groups, with more sleep disorder and poorer health status in the case group.…

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…

Association between mobile phone use and semen quality: a systemic review and meta-analysis

Research RF Safe Research Library Jan 1, 2014

This systematic review and meta-analysis assessed whether mobile phone use or radiofrequency exposure is associated with semen quality. Across included studies, the meta-analysis found no adverse effects in human studies, but reported detrimental effects on sperm motility and viability in vitro and harmful effects on…

Effect of mobile telephones on sperm quality: a systematic review and meta-analysis

Research RF Safe Research Library Jan 1, 2014

This 2014 systematic review and random-effects meta-analysis evaluated whether RF-EMR from mobile phones affects human sperm quality. Across 10 studies (1492 samples), exposure was associated with reduced sperm motility and reduced viability, while findings for sperm concentration were more equivocal. The abstract…

Impact of 900 MHz electromagnetic field exposure on main male reproductive hormone levels: a Rattus norvegicus model

Research RF Safe Research Library Jan 1, 2014

This animal experiment exposed 20 adult male Sprague-Dawley rats to 900 MHz RF-EMF for 1, 2, or 4 hours per day over 30 days, with a sham-exposed control group. Hormone levels (FSH, LH, inhibin B, activin B, prolactin, testosterone) were measured by ELISA before exposure and at 15 and 30 days. After 30 days, the long…

Assessment of the neurotoxic potential of exposure to 50Hz extremely low frequency electromagnetic fields (ELF-EMF) in naïve and chemically stressed PC12 cells

Research RF Safe Research Library Jan 1, 2014

This in vitro study tested acute (30 min) and sub-chronic (48 h) 50 Hz ELF-EMF exposure up to 1000 µT in naïve and chemically stressed PC12 cells. Across assays of Ca2+ homeostasis, ROS production, and membrane integrity, the study reports no consistent or measurable neurotoxic effects under the tested conditions.…

Occupational exposure to intermediate frequency and extremely low frequency magnetic fields among personnel working near electronic article surveillance systems

Research RF Safe Research Library Jan 1, 2014

This workplace measurement study assessed intermediate frequency (IF) and extremely low frequency (ELF) magnetic field exposure among cashiers working near electronic article surveillance (EAS) systems in Finnish stores. Typical seated exposures were reported as well below limits, but short-term exceedances of ICNIRP…

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