Suppression of unimolecular decay of laser desorbed peptide and protein ions by entrainment in rarefied supersonic gas jets under weak electric fields.
Research
RF Safe Research Library
Jan 1, 2014
This engineering-focused paper reports the design principle and performance of a MALDI ion source ("MALDI-2") combining rarefied supersonic gas jets with weak electric fields and injection into gas-filled RF multipoles. The abstract reports rapid collisional cooling (
The efficacy in treatment of facial atrophic acne scars in Asians with a fractional radiofrequency microneedle system.
Research
RF Safe Research Library
Jan 1, 2014
This study evaluated a fractional radiofrequency microneedle system for treating facial atrophic acne scars in Asian subjects over 1-, 3-, and 6-month follow-up after three monthly sessions. Of 26 completers, the most common self-reported improvement category at 6 months was 26–50% improvement, and scar volume…
Non-linear adaptive phenomena which decrease the risk of infection after pre-exposure to radiofrequency radiation.
Research
RF Safe Research Library
Jan 1, 2014
This animal study examined whether pre-exposure to radiofrequency radiation (from a GSM mobile phone) alters survival after subsequent Escherichia coli infection. The abstract reports higher survival in the group receiving both RF pre-exposure and bacterial challenge than in the group receiving only the bacterial…
Can mobile phones help control neglected tropical diseases? Experiences from Tanzania.
Research
RF Safe Research Library
Jan 1, 2014
This qualitative case study (2011) describes a pilot mobile phone-based management information system for neglected tropical disease control in Tanzania, where village health workers used phones with web-based software to capture data at source. The study reports improved routine work efficiency and increased…
The effect of extremely low frequency pulsed electromagnetic field on in vitro fertilization success rate in N MRI mice.
Research
RF Safe Research Library
Jan 1, 2014
This randomized comparative animal study tested whether extremely low frequency pulsed electromagnetic field exposure affects IVF success in NMRI mice. Mice in the experimental group were exposed to a 1.3 mT pulsed field at 4 kHz for 5 hours during the IVF process. Although the exposed group showed a higher IVF…
Interference between active implanted medical devices and electromagnetic field emitting devices is rare but real: results of an incidence study in a population of physicians in France.
Research
RF Safe Research Library
Jan 1, 2014
This cross-sectional incidence survey used a postal questionnaire to assess physician-observed interference incidents between EMF-emitting devices and active implanted medical devices (AIMDs) in France. Among 1,188 participating physicians, 16% reported AIMD failures, typically of moderate severity but sometimes…
The alteration of spontaneous low frequency oscillations caused by acute electromagnetic fields exposure.
Research
RF Safe Research Library
Jan 1, 2014
This double-blind, randomized, crossover study examined whether 30 minutes of near-field LTE radiofrequency exposure near the right ear alters resting-state brain activity measured by fMRI. The authors report decreased ALFF in multiple temporal and frontal/paracentral regions after real exposure compared with sham,…
Symptom attribution and risk perception in individuals with idiopathic environmental intolerance to electromagnetic fields and in the general population.
Research
RF Safe Research Library
Jan 1, 2014
This cross-sectional study compared EMF-related health perceptions and symptom attribution among self-identified EMF-sensitive individuals from an internet panel, non-sensitive individuals, and an NGO-recruited IEI-EMF group. The internet-panel sensitive group reported more non-specific symptoms, higher perceived EMF…
General practitioners' knowledge and concern about electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2014
This cross-sectional survey sampled general practitioners in Germany to assess EMF knowledge and its relationship to concern about EMF health risks. Four latent knowledge groups were identified, with 43.1% giving mainly correct answers and 14.0% answering mostly "don't know". Concern was not related to knowledge…
Mobile phone support for rural health workers in Nepal through 'celemedicine'.
Research
RF Safe Research Library
Jan 1, 2013
This article describes a pilot mobile-phone-based support system (“celemedicine”) for mid-level rural health workers in Gulmi District, Nepal, enabling free calls to three general practitioner doctors at the district hospital. The intervention aims to improve appropriate referral and connectivity between peripheral…
Critical time delay of the pineal melatonin rhythm in humans due to weak electromagnetic exposure.
Research
RF Safe Research Library
Jan 1, 2013
This paper discusses a mechanism by which weak electromagnetic exposure could perturb radical pair recombination rates, potentially increasing radical lifetimes. It reports significant melatonin interruption and circadian rhythm changes due to perturbation of chemical reaction rates, and notes that mRNA degradation…
Effect of puerarin on matrix metalloproteinase-2 in human fetal scleral fibroblasts treated with low frequency electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2013
This in vitro study examined whether extremely low frequency electromagnetic field (ELF-EMF) exposure alters MMP-2 expression in cultured human fetal scleral fibroblasts and whether puerarin modifies this response. The authors report increased MMP-2 mRNA and protein expression after 0.2 mT ELF-EMF exposure for 24…
P-selectin expression in a colon tumor model exposed by sinusoidal electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2013
This animal study evaluated whether sinusoidal magnetic field exposure alters P-selectin expression in a rat colon tumor model. Rats exposed to 50 Hz, 5 mT for 6 h/day for 8 months showed no statistically significant change in P-selectin expression by immunohistochemistry. The authors indicate that further in vitro…
Cell phone usage and erectile function.
Research
RF Safe Research Library
Jan 1, 2013
This pilot case-control study compared 20 men with erectile dysfunction to 10 healthy controls using SHIM/IIEF scores and a questionnaire on cell phone habits. Weekly call time was not significantly different between groups, but men with ED reported significantly longer daily time carrying a switched-on phone. The…
Convection patterns in a liquid metal under an imposed horizontal magnetic field.
Research
RF Safe Research Library
Jan 1, 2013
This laboratory study examined Rayleigh-Bénard convection in liquid gallium under varying strengths of a uniform imposed horizontal magnetic field. Using ultrasonic velocity profiling and temperature monitoring, the authors mapped a regime diagram across Ra and Q and identified five flow regimes. The results describe…
Biodegradable shape memory nanocomposites with thermal and magnetic field responsiveness.
Research
RF Safe Research Library
Jan 1, 2013
This engineering study reports fabrication of a biodegradable PLLA shape-memory nanocomposite incorporating surface-modified Fe3O4 nanoparticles. The composite showed improved tensile/mechanical and shape-memory properties compared with PLLA, and shape recovery could be triggered by an alternating magnetic field.…
Non-thermal continuous and modulated electromagnetic radiation fields effects on sleep EEG of rats.
Research
RF Safe Research Library
Jan 1, 2013
This animal study examined whether chronic low-level non-thermal 900 MHz electromagnetic radiation alters rat sleep EEG. Rats were exposed for 1 month (1 h/day) to either unmodulated 900 MHz or 900 MHz modulated at 8 and 16 Hz. The abstract reports that REM sleep measures were more affected than slow wave sleep,…
Are media warnings about the adverse health effects of modern life self-fulfilling? An experimental study on idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF).
Research
RF Safe Research Library
Jan 1, 2013
This randomized experiment tested whether a TV report warning about WiFi health effects could influence symptoms during a subsequent sham WiFi exposure. Over half of participants reported symptoms attributed to the sham exposure, and the warning film increased EMF-related worries. Among participants with higher…
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…
Electromagnetic energy radiated from mobile phone alters electrocardiographic records of patients with ischemic heart disease.
Research
RF Safe Research Library
Jan 1, 2012
This study assessed whether mobile phone radiofrequency exposure during a 40-second ringing period alters ECG parameters in 356 participants across cardiac disease groups, with gender stratification. The authors report QTc prolongation in males across groups, including males with ischemic heart disease, and…
Comparison of 2 methods of non-invasive treatment between transcutaneous electrical stimulation and pulsed electromagnetic field stimulation as replacement of invasive manual acupuncture.
Research
RF Safe Research Library
Jan 1, 2012
This study compared two non-invasive acupoint stimulation methods—TEAS and PEMF—as alternatives to manual acupuncture for recovery from exercise-induced muscle fatigue. Using 2 Hz stimulation (PEMF magnetic flux 30.92 mT), the authors report faster recovery of EMG median frequency and improved peak torque recovery in…
[Study on dewatering of activated sludge under applied electric field].
Research
RF Safe Research Library
Jan 1, 2012
This engineering study investigated factors affecting electro-dewatering of activated sludge under a horizontal applied electric field. It reports optimal performance without altering sludge pH or conductivity and finds that CPAM conditioning improves and accelerates dewatering. The authors provide operating…
Electric Field Controlled Self-Assembly of Hierarchically Ordered Membranes.
Research
RF Safe Research Library
Jan 1, 2012
This in vitro study examined how an externally applied electric field influences the self-assembly of oppositely charged molecules in water into an ordered membrane. The authors report that electric fields changed the kinetics of membrane formation and altered membrane thickness, nanofiber growth orientation, and…
Low-frequency electromagnetic fields do not alter responses of inflammatory genes and proteins in human monocytes and immune cell lines.
Research
RF Safe Research Library
Jan 1, 2012
This in vitro study examined whether low-frequency electromagnetic fields (a complex multiple waveform field and a 50 Hz sine wave) alter inflammatory gene and protein responses in human immune cells. Across time course experiments in THP-1 cells and primary monocytes/macrophages, the authors report no significant…
Influence of magnetic field on aqueous two-phase extraction of horse ferritin in the polyethylene glycol/hydroxyethyl starch system.
Research
RF Safe Research Library
Jan 1, 2012
This study reports an aqueous two-phase extraction method for equine spleen ferritin using polyethylene glycol (PEG) and hydroxyethyl starch (HES). Ferritin partitioning depended on PEG/HES concentrations and PEG molecular weight, and applying a magnetic field increased ferritin accumulation in the PEG-rich phase…