Current trends in Internet- and cell phone-based HIV prevention and intervention programs.
Research
RF Safe Research Library
Jan 1, 2007
This narrative review summarizes recent advances (as of Spring 2007) in Internet- and cell phone-based HIV prevention and intervention research. The authors report that few evaluation studies had been published in the prior year, though many programs were funded and under development. Available results are described…
[Fluorescence spectra analysis of papain treated by pulsed electric field].
Research
RF Safe Research Library
Jan 1, 2007
This in vitro study used fluorescence excitation, emission, and polarization spectra to assess structural changes in papain after pulsed electric field (PEF) treatment. Under the reported PEF conditions (50 kV/cm, 1500 Hz, 40 µs pulses, 19,800 pulses), papain activity decreased by 56.5%. Spectral changes (increased…
Comparison of the effects of continuous and pulsed mobile phone like RF exposure on the human EEG.
Research
RF Safe Research Library
Jan 1, 2007
This study tested whether GSM-like RF exposure affects resting human EEG, focusing on alpha band power and non-linear EEG features. Using a fully counterbalanced cross-over design with 12 participants and a dipole antenna intended to better resemble handset exposure, the authors found no changes after 15 minutes of…
Effects of pulsed electromagnetic field vibration on tooth movement induced by magnetic and mechanical forces: a preliminary study.
Research
RF Safe Research Library
Jan 1, 2007
This randomized animal study tested whether pulsed electromagnetic field (PEMF)-induced vibration affects orthodontic tooth movement produced by magnetic and/or mechanical forces. Forty-four Wistar rats were exposed to PEMF-induced vibration or normal atmosphere while tooth movement was induced using magnets and/or…
[Acute ear trauma caused by failure of mobile phone/cellular phone].
Research
RF Safe Research Library
Jan 1, 2007
This case report describes acute acoustic and burn ear trauma associated with an apparent mobile phone failure during use. The patient had an external auditory canal burn and transient hearing loss, with tinnitus that persisted for weeks but resolved by one month. The authors state that the case suggests mobile phone…
Dependence of RF heating on SAR and implant position in a 1.5T MR system.
Research
RF Safe Research Library
Jan 1, 2007
This phantom study measured RF-induced heating of a stainless steel humerus implant during 1.5T MR imaging while varying SAR, implant angle to B0, and implant position in the RF coil. Temperature rise at implant tips increased linearly with SAR, with larger rises when the implant was parallel to B0. Heating decreased…
Polarization reversal in multiferroic TbMnO3 with a rotating magnetic field direction.
Research
RF Safe Research Library
Jan 1, 2007
This Physical Review Letters paper reports a method to reverse electric polarization in multiferroic TbMnO3 using a rotating magnetic-field direction, without applying an electric field or heat. The authors state that the direction of magnetic-field-induced polarization along the a axis is retained as a memory even…
Ultranarrow optical absorption and two-phonon excitation spectroscopy of Cu2O paraexcitons in a high magnetic field.
Research
RF Safe Research Library
Jan 1, 2007
This physics study reports ultranarrow optical absorption and two-phonon excitation spectroscopy of Cu2O paraexcitons in a high magnetic field at 1.2 K. A magnetic field enabled observation of an otherwise forbidden paraexciton absorption line and allowed measurement of field-dependent oscillator strength and energy…
Magnetic field switching between the two orbital-ordered states in DyVO3.
Research
RF Safe Research Library
Jan 1, 2007
This Physical Review Letters study investigates phase competition between spin- and orbital-ordered states in a DyVO3 single crystal. The abstract reports reentrant temperature-driven transitions in spin ordering and orbital ordering. It also reports that an applied magnetic field can switch between orbital-ordered…
Biased bilayer graphene: semiconductor with a gap tunable by the electric field effect.
Research
RF Safe Research Library
Jan 1, 2007
This paper reports that the electronic gap in bilayer graphene can be controlled externally via a gate bias (electric field effect). Using magnetotransport (Shubnikov-de Haas) data and a tight-binding model, the authors extract the gap as a function of electronic density. They report tuning the gap from zero to…
Sine-Gordon description of Beresinskii-Kosterlitz-Thouless vortices in superconductors immersed in an external magnetic field.
Research
RF Safe Research Library
Jan 1, 2007
This theoretical paper investigates Beresinskii-Kosterlitz-Thouless vortex physics in two-dimensional superconductors under an external magnetic field using a sine-Gordon field-theory approach. The authors state that the model yields a straightforward definition of field-induced magnetization. They also report that…
Electric field-induced astrocyte alignment directs neurite outgrowth.
Research
RF Safe Research Library
Jan 1, 2006
This in vitro study examined whether astrocyte alignment induced by an applied electric field influences neurite outgrowth. Astrocytes were pre-aligned using a physiological-strength electric field (500 mV mm(-1)), and dorsal root ganglia cells were then seeded onto them. Neurite outgrowth at 24 and 48 hours was…
Mobile phone use and cancer
Research
RF Safe Research Library
Jan 1, 2004
This narrative review discusses potential public health consequences of widespread mobile phone use and the controversy around long-term cancer risks. It states that evidence from epidemiological and experimental studies suggests long-term exposure to mobile phone emissions may be linked to a small to moderate…
Physics and biology of mobile telephony
Research
RF Safe Research Library
Jan 1, 2000
This review argues that current mobile-telephony safety guidelines address excessive microwave heating but may not account for potential non-thermal influences of low-intensity, pulsed radiation. It highlights an asserted oscillatory similarity between pulsed microwave signals and certain electrochemical activities…
Headaches from cellular telephones: are they real and what are the implications?
Research
RF Safe Research Library
Mar 1, 1998
This review discusses reports of headaches occurring with hand-held cellular telephone use and argues they are likely real and attributable to telephone emissions. It points to earlier reports of headaches from low-intensity microwave exposure and proposes biological plausibility via effects on the blood-brain…
The effect of pulsed and sinusoidal magnetic fields on the morphology of developing chick embryos
Research
RF Safe Research Library
Jan 1, 1997
This animal study reports results from five experimental campaigns over five years examining weak magnetic field exposure and morphological abnormalities in White Leghorn chick embryos. Four campaigns reported statistically significant increases in abnormality rates, while one pulsed-field campaign showed only a…
Evaluation of Electrochemical Information Transfer System: I . Effect of Electric Fields on Living Organisms
Research
RF Safe Research Library
Jan 1, 1976
This 1976 animal study evaluated the effects of weak ELF electric fields similar to those associated with Project Seafarer on mice. The abstract reports that electric field exposure acted as a biological stressor, with effects involving the central nervous and endocrine systems. It is presented as part of broader…
Bibliography of reported biological phenomena ("effects") and clinical manifestations attributed to microwave and radio-frequency radiation
Research
RF Safe Research Library
Jan 1, 1971
This item is a bibliography of reported biological phenomena and clinical manifestations attributed to radio-frequency and microwave radiation. It compiles over 2000 references published up to June 1971, with supplemental listings through Nov. 21, 1971, and gives particular attention to reported effects in humans.…