Radiofrequency microtenotomy for the treatment of plantar fasciitis shows good early results.
Research
RF Safe Research Library
Jan 1, 2010
This small clinical case series evaluated TOPAZ radiofrequency coblation microtenotomy for recalcitrant plantar fasciitis in 14 patients. The abstract reports improved AOFAS hindfoot scores at 3 and 6 months and improvements in several SF-36 domains, with most patients reporting good-to-excellent satisfaction. The…
Pedestrians, vehicles, and cell phones.
Research
RF Safe Research Library
Jan 1, 2010
This study used an immersive virtual environment to examine how divided attention affects pedestrian street-crossing performance. Thirty-six participants crossed virtual streets while undistracted, conversing hands-free on a cell phone, or listening to music. Cell phone conversation was associated with a lower…
In vitro tests reveal sample radiofrequency identification readers inducing clinically significant electromagnetic interference to implantable pacemakers and implantable cardioverter-defibrillators.
Research
RF Safe Research Library
Jan 1, 2010
This in vitro study tested electromagnetic compatibility between passive RFID readers and 15 pacemakers plus 15 ICDs across 134 kHz, 13.56 MHz, and 915 MHz bands. EMI reactions were common with low-frequency RFID and rare with high-frequency RFID, while no reactions were observed with ultra-high-frequency or…
Electromagnetic fields and DNA damage
Research
RF Safe Research Library
Jan 1, 2009
This review discusses the comet assay and summarizes research on non-ionizing EMF exposure and DNA/chromosomal damage. It describes both positive and negative findings across studies, noting no consistent overall pattern for radiofrequency radiation (RFR). The authors nonetheless conclude that under certain exposure…
Scientific Committee on Emerging and Newly Identified Health Risks
Research
RF Safe Research Library
Jan 1, 2009
This SCENIHR Opinion updates earlier 2009 SCENIHR documents on EMF health effects and research needs, focusing on new information and remaining knowledge gaps. The abstract primarily characterizes sources and patterns of exposure across static, ELF, IF, and RF fields in both public and occupational settings. It notes…
Localizing Broca's area for transcranial magnetic stimulation: Comparison of surface distance measurements and stereotaxic positioning.
Research
RF Safe Research Library
Jan 1, 2009
This methods study evaluated an MRI-based surface distance measurements (SDM) approach for localizing Broca's area for TMS coil placement without external tracking devices. Coil positioning using SDM was compared with an advanced frameless stereotaxic navigation system. The reported mean difference between methods…
The Distracting Effects of a Ringing Cell Phone: An Investigation of the Laboratory and the Classroom Setting.
Research
RF Safe Research Library
Jan 1, 2009
This paper reports four experiments examining how a ringing cell phone affects cognitive performance in laboratory tasks and a college classroom lecture. In the lab, auditory conditions (including a standard cell phone ring) produced slower responses than silence, with slower recovery in the ring and song conditions.…
A comparison of conventional and radio frequency defrosting of lean beef meats: Effects on water binding characteristics.
Research
RF Safe Research Library
Jan 1, 2009
This study compared slow conventional air defrosting with fast radio frequency (RF) defrosting/tempering in lean beef (whole, minced, and comminuted) using drip loss, NMR relaxometry, and dielectric spectroscopy. RF thawing was associated with lower drip loss and lower micronutrient loss in drip than air thawing,…
Extraordinary magnetic field enhancement with metallic nanowire: role of surface impedance in Babinet's principle for sub-skin-depth regime.
Research
RF Safe Research Library
Jan 1, 2009
This paper proposes metallic nanowires as complementary structures to metallic nanogaps for enhancing magnetic fields. It reports magnetic field enhancement up to a factor of 300 and presents a surface-impedance-based analytic theory that is numerically confirmed. The authors also report that, in the sub-skin-depth…
Dominant mobility modulation by the electric field effect at the LaAlO3/SrTiO3 interface.
Research
RF Safe Research Library
Jan 1, 2009
This Physical Review Letters paper reports magnetotransport measurements on a gated LaAlO3/SrTiO3 interface to assess the main effect of an applied gate electric field. The authors find that mobility changes dominate over sheet carrier density changes (mobility variation reported as nearly fivefold larger). They also…
Mitomycin C-associated radiofrequency microelectrocautery used in myringotomy in an animal model.
Research
RF Safe Research Library
Jan 1, 2009
This experimental animal study compared tympanic membrane closure time after myringotomy performed by microknife versus radiofrequency microcautery, with and without mitomycin C. Radiofrequency myringotomy differed significantly from knife myringotomy, and the 0.7 mm radiofrequency tip combined with mitomycin C was…
Cutaneous remodeling and photorejuvenation using radiofrequency devices.
Research
RF Safe Research Library
Jan 1, 2009
This concise review discusses radiofrequency (RF) dermatologic devices used for nonablative skin rejuvenation and related indications. It characterizes RF effects on tissue as primarily thermal, aiming to heat targeted skin layers to trigger collagen changes and subsequent remodeling. The abstract cites preliminary…
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…
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…
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…
Surface-induced nonlinearities of liquid crystals driven by an electric field.
Research
RF Safe Research Library
Jan 1, 2008
This experimental physics study examines how a static electric field affects the optical nonlinearity of methyl-red doped nematic liquid crystals. The authors report that low voltages below the Fredericks transition threshold can change the optical nonlinearity by orders of magnitude. They state that the data fit a…
[Radiofrequency aviation treatment for lingual root obstructive sleep apnea-hypopnea syndrome].
Research
RF Safe Research Library
Jan 1, 2008
This clinical study reports outcomes for 34 patients with mild and median OSAHS treated with a combination of functional endoscopic sinus surgery, UPPP, and radiofrequency ablation (RFA). Over 1 year, polysomnography showed a reduction in AHI and an effective rate of 85.29%. Because RFA was used as an adjunct to…
[Determination of electric field distribution in dielectric barrier surface glow discharge by spectroscopic method].
Research
RF Safe Research Library
Jan 1, 2008
This engineering study reports spectroscopic determination of net electric field distribution in a dielectric barrier surface glow discharge in low-pressure air. Optical emission spectroscopy was used to infer electric field distribution from the intensity ratio of nitrogen spectral lines at 391.4 nm and 337.1 nm.…
Effect of temperature (-5 to 130 degrees C) and fiber direction on the dielectric properties of beef Semitendinosus at radio frequency and microwave frequencies.
Research
RF Safe Research Library
Jan 1, 2008
This study measured dielectric properties of beef Semitendinosus across 27, 915, and 1800 MHz and temperatures from -5 to 130 °C using an open-ended coaxial probe. The results indicate that frequency, temperature, and muscle fiber orientation influence dielectric constant, dielectric loss, and calculated penetration…