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Enhanced Detection Resonance Frequency Shift of a Piezoelectric Microcantilever Sensor by a DC Bias Electric Field in Humidity Detection.

Research RF Safe Research Library Jan 1, 2009

This engineering study examined how a DC bias electric field affects the resonance frequency shift of a PMN-PT/tin piezoelectric microcantilever sensor during humidity detection. The authors report that applying a bias field enhanced the relative resonance frequency shift, with a maximum enhancement of more than…

Sham Transcranial Magnetic Stimulation Using Electrical Stimulation of the Scalp.

Research RF Safe Research Library Jan 1, 2009

This study describes development and validation of a sham rTMS approach that combines a matched sham coil (for look/sound) with scalp electrical stimulation (for sensation). In back-to-back comparisons, TMS-naïve participants reportedly could not tell active from sham, whereas experienced participants could. The…

Mobile phone technology for children with type 1 and type 2 diabetes: a parent survey.

Research RF Safe Research Library Jan 1, 2009

This cross-sectional web-based survey assessed parents' concerns about managing their children's diabetes and their attitudes toward a mobile-phone-integrated glucometer service that could transmit real-time glucose readings. Parents most commonly reported concerns about access to their child's health care provider,…

Evaluation of the efficacy of pulsed electromagnetic field in the management of patients with diabetic polyneuropathy.

Research RF Safe Research Library Jan 1, 2009

This randomized controlled trial evaluated low-power, low-frequency pulsed electromagnetic field (PEMF) therapy at 600 Hz and 800 Hz as an adjunct treatment for diabetic polyneuropathy. Thirty participants were randomized to 600 Hz PEMF, 800 Hz PEMF, or usual medical treatment for 12 days. The abstract reports…

The influence of low-frequency magnetic field on plasma antioxidant capacity and heart rate.

Research RF Safe Research Library Jan 1, 2009

This animal study exposed Sprague-Dawley rats to a 40 Hz, 7 mT time-variable magnetic field and measured ECG heart rate and plasma antioxidant capacity before and after exposure, including after 14 days. The authors report a significant decrease in heart rate after 14 days. Antioxidant defence findings were mixed,…

[Effects of 50 Hz sinusoidal magnetic field on Ca2+ release channel ryanodine receptor of sarcoplasmic reticulum vesicles].

Research RF Safe Research Library Jan 1, 2009

This in vitro study examined whether a 50 Hz sinusoidal magnetic field affects the sarcoplasmic reticulum calcium release channel RyR1. A 0.4 mT exposure for 30 minutes increased SR Ca2+ release rate and [(3)H]-ryanodine binding under NADH/NAD+ conditions. The authors also report increased NADH oxidation and…

[Female genital toxicities of high-frequency electromagnetic field on rats].

Research RF Safe Research Library Jan 1, 2009

This rat study examined sub-chronic exposure to a 30 MHz electromagnetic field at 0–1600 V/m for 8 hours/day, 5 days/week, over 56 days. The authors report no change in ovarian wet weight, but dose-related changes in estrous cycle timing, reproductive hormones (higher LH and lower E2 at higher exposures), and ovarian…

[A aquaporin 4 expression and effects in rat hippocampus after microwave radiation].

Research RF Safe Research Library Jan 1, 2009

This rat study examined hippocampal aquaporin 4 (AQP4) expression after microwave exposure at 10, 30, or 100 mW/cm^2. The authors report increased AQP4 protein and gene expression after exposure, with recovery at lower power density but more persistent elevation at higher power density. They conclude that increased…

[Effect of microwave radiation on primary cultured Sertoli cells].

Research RF Safe Research Library Jan 1, 2009

This in vitro study exposed primary cultured Sertoli cells to microwave radiation at 0, 30, or 100 mW/cm^2 for 5 minutes and assessed outcomes 6 hours later. The authors report no differences in apoptosis/death or intracellular Ca2+ at 30 mW/cm^2, though cell-cycle distribution shifted. At 100 mW/cm^2, intracellular…

[A preliminary study on role of acid sphingomyelinase in receptor clustering induced by 50-Hz magnetic fields].

Research RF Safe Research Library Jan 1, 2009

This in vitro study exposed human amnion (FL) cells to a 50-Hz sinusoidal magnetic field (0.4 mT) for 15 minutes and assessed epidermal growth factor receptor (EGFR) clustering. The authors report that magnetic field exposure induced EGFR clustering, and that this effect was blocked by imipramine, an acid…

Survey of ownership and use of mobile phones among medical science students in Yazd.

Research RF Safe Research Library Jan 1, 2009

This cross-sectional survey assessed mobile phone ownership and use patterns among 309 medical science students in Yazd using a self-administered questionnaire. The abstract reports descriptive statistics on daily talking time, music listening, texting, and common locations of phone use. While the paper references…

[Conclusion: probable and possible futures. MRI with ultra high magnetic field].

Research RF Safe Research Library Jan 1, 2009

This narrative piece states that MR neuroimaging does not interfere with brain function and is safe for use in patients and healthy volunteers. It argues that ultra-high-field MRI could substantially improve spatiotemporal resolution, potentially enabling study of brain function at finer scales. It also describes the…

The possibilities of radiofrequency technology in the surgery of parenchimatous organs.

Research RF Safe Research Library Jan 1, 2009

This clinical report describes the use of radiofrequency (RF) technology in surgery of abdominal and thoracic parenchymatous organs in 17 patients. The authors report one complication (pleural effusion) and otherwise no additional organ complications in the abstract. They also describe a case of splenic preservation…

Static magnetic field therapy: a critical review of treatment parameters.

Research RF Safe Research Library Jan 1, 2009

This critical review summarizes human research on static magnetic field (SMF) therapy delivered by permanent magnets attached to the skin and evaluates how well studies report SMF dosage and treatment parameters. Across 56 included studies, many did not report essential SMF characteristics (e.g., magnet dimensions,…

Biological effects from electromagnetic field exposure and public exposure standards

Research RF Safe Research Library Jan 1, 2008

This review describes public concerns and scientific reports of non-thermal biological effects from low-intensity ELF and RF exposures. It lists multiple health endpoints reported to be associated with ELF and/or RF and highlights the BioInitiative Report’s conclusion that a reasonable suspicion of risk exists at…

Genetic damage in mammalian somatic cells exposed to radiofrequency radiation: a meta-analysis of data from 63 publications (1990-2005)

Research RF Safe Research Library Jan 1, 2008

A meta-analysis of 63 publications assessed whether radiofrequency (RF) radiation exposure is associated with genetic damage in mammalian somatic cells using multiple genotoxicity endpoints. Overall differences between RF-exposed and control conditions were reported as small, though statistically significant…

Effects of mobile phone use on specific intensive care unit devices.

Research RF Safe Research Library Jan 1, 2008

This study tested electromagnetic interference from GSM and CDMA mobile phones placed one foot from ICU devices (syringe pump, mechanical ventilator, bedside monitor) in off, standby, and talk modes. EMI was observed for the syringe pump in talk mode, with a mean 2.66 ml variation between calculated and delivered…

Synthesis of polylactic acid-polyglycolic acid blends using microwave radiation.

Research RF Safe Research Library Jan 1, 2008

This engineering/materials study describes blending PLLA and PGA using microwave irradiation to produce PLGA-related blends with varying constituent concentrations. The authors report that FTIR, NMR, and DSC measurements indicate blending and cross-linking between the polymers. The abstract does not provide microwave…

Head-to-head comparison of coronary plaque evaluation between multislice computed tomography and intravascular ultrasound radiofrequency data analysis.

Research RF Safe Research Library Jan 1, 2008

This study compared coronary plaque assessment by 64-slice multislice computed tomography (MSCT) with virtual histology intravascular ultrasound (VH IVUS) in 50 patients. The Agatston score on MSCT correlated moderately with calcium volume measured by VH IVUS, and MSCT plaque categories broadly reflected differences…

Apparent violation of the Wiedemann-Franz law near a magnetic field tuned metal-antiferromagnetic quantum critical point.

Research RF Safe Research Library Jan 1, 2008

This paper reports calculations of interlayer electrical and thermal resistivity in a layered metal assuming Fermi-liquid quasiparticles inelastically scattered by two-dimensional antiferromagnetic spin fluctuations. The model yields linear-in-temperature behavior over a broad range and suggests that extrapolations…

Silicon-on-insulator-based radio frequency single-electron transistors operating at temperatures above 4.2 K.

Research RF Safe Research Library Jan 1, 2008

This engineering study demonstrates a silicon-on-insulator (SOI) radio-frequency single-electron transistor (RF-SET) operating at temperatures above 4.2 K. The device was optimized to address high resistance in SOI SETs and showed stable transport characteristics after repeated thermal cycling. RF-SET operation was…

Velocity modulation of microtubules in electric fields.

Research RF Safe Research Library Jan 1, 2008

This in vitro study reports that electric fields can control the velocity of microtubules gliding over a kinesin-coated surface. Assisting fields increased speed up to fivefold, while opposing fields slowed motion to zero, and sideways fields induced significant motion. The authors present a grab-and-release model to…

[Effect of 1.8 GHz radiofrequency electromagnetic fields on gene expression of rat neurons].

Research RF Safe Research Library Jan 1, 2008

This in vitro study exposed primary cultured rat neurons to 1.8 GHz RF-EMF at an average SAR of 2 W/kg and assessed gene expression changes. The authors report multiple differentially expressed genes after 24 h intermittent exposure and confirm exposure-dependent changes in Egr-1, Mbp, and Plp by semi-quantitative…

[Influence of electromagnetic radiation on raf kinase inhibitor protein and its related proteins of hippocampus].

Research RF Safe Research Library Jan 1, 2008

This rat study examined hippocampal RKIP and related markers after exposure to high power microwaves (X-band and S-band) or an electromagnetic pulse. RKIP protein decreased at 6 hours post-exposure, with recovery by 1 day in the EMP group but more prolonged decreases (up to ~7 days) in the microwave groups.…

Arthroscopic capsular shrinkage for chronic ankle instability with thermal radiofrequency: prospective multicenter trial.

Research RF Safe Research Library Jan 1, 2008

This prospective multicenter longitudinal trial evaluated arthroscopic thermal radiofrequency capsular shrinkage for chronic ankle instability in adults who failed conservative therapy. The study reports no clinically relevant improvement in mechanical stability, but substantial and statistically significant…

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