Development of a cell phone-based video streaming system for persons with early stage Alzheimer's disease.
Research
RF Safe Research Library
Jan 1, 2008
This conference paper reports early development of a cell phone-based video streaming system to deliver video reminders for people with early dementia. Carers can record and schedule reminders remotely via a computer and webcam. A first prototype was implemented, with an initial field trial scheduled and a larger…
Chemotherapy side-effect management using mobile phones.
Research
RF Safe Research Library
Jan 1, 2008
This conference paper describes a mobile-phone telemedicine system for managing chemotherapy side-effects at home using symptom diaries and automated alerts to nurses. Six patients used the system for two cycles of oral chemotherapy. The abstract reports two instances where moderate symptoms deteriorated to more…
Single access point localisation for wearable wireless sensors.
Research
RF Safe Research Library
Jan 1, 2008
This engineering conference paper describes a single access point method for localizing a subject using RF signals from wearable wireless sensors. The approach combines RSSI and LQI measurements from one basestation and applies filtering. The abstract reports that accuracy can approach that of multi-basestation…
Position-independent chemical quantitation with passive 13.56-MHz radio frequency identification (RFID) sensors.
Research
RF Safe Research Library
Jan 1, 2008
This engineering study evaluates whether passive 13.56-MHz RFID-based chemical sensors can quantify analytes reliably despite repositioning errors between the sensor and pickup coil. Using simultaneous measurement of multiple complex-impedance parameters and multivariate statistical analysis, the authors report…
Alkali (NaOH) pretreatment of switchgrass by radio frequency-based dielectric heating.
Research
RF Safe Research Library
Jan 1, 2008
This engineering study reports using radio-frequency (RF)-based dielectric heating to assist NaOH pretreatment of switchgrass to improve enzymatic digestibility. Under the stated conditions, RF-assisted pretreatment produced higher xylose and glucose yields than conventional heating and maintained higher yields at…
In-line application of electric field in capillary separation systems: Joule heating, pH and conductivity.
Research
RF Safe Research Library
Jan 1, 2008
This engineering study investigated factors affecting current when an electric field is applied in-line in a capillary separation system. Temperature measurements and a replicated cooling setup were used to estimate Joule heating effects, which were reported to be relatively small. In contrast, significant pH shifts…
Microscopic observation of living cells during their exposure to modulated electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2008
This paper describes an exposure and microscopy system designed to continuously observe living cells during exposure to modulated RF-EMF similar to mobile phone signals. Using protocols where the same cells serve as controls before and after exposure, the system was validated with endocytosis measurements. Under 900…
Effects of extremely low frequency electromagnetic fields on testes in guinea pig.
Research
RF Safe Research Library
Jan 1, 2007
This animal study exposed 36 adult male guinea pigs to extremely low frequency electromagnetic fields at 5 Hz or 50 Hz and compared testosterone and testes tissue outcomes with sham/control conditions. After 5 days, the authors report a significant decrease in testosterone in exposed groups versus controls. They also…
[The impact of treatment by extremely low frequency magnetic fields on the electropotentials in an oral cavity and some chemical elements content in saliva].
Research
RF Safe Research Library
Jan 1, 2007
This study reports measurements in 25 dental patients treated with the Viofor JPS system using extremely low frequency magnetic fields. Following a series of treatments, oral cavity electropotentials decreased and saliva pH increased. Copper levels in non-stimulated saliva decreased, while other measured elements…
900 MHz radiofrequency-induced histopathologic changes and oxidative stress in rat endometrium: protection by vitamins E and C.
Research
RF Safe Research Library
Jan 1, 2007
This rat study examined 900 MHz radiofrequency exposure (30 min/day for 30 days) and reported biochemical and histopathologic changes in endometrial tissue consistent with oxidative stress and tissue injury. The abstract reports increased NO and MDA and decreased antioxidant enzyme activities (SOD, CAT, GSH-Px) in…
Aerodynamically assisted bio-jets: the development of a novel and direct non-electric field-driven methodology for engineering living organisms.
Research
RF Safe Research Library
Jan 1, 2007
This paper describes an aerodynamically assisted bio-jetting technique that processes living cells/organisms using differential pressure rather than an electric field. The authors report an operational window for stable jetting and near-monodispersed cell-bearing droplets. Cell viability after jetting was evaluated…
Magnetic field exposure in a nondestructive testing operation.
Research
RF Safe Research Library
Jan 1, 2007
This exposure assessment measured peak magnetic fields during magnetic particle inspection, a nondestructive testing method that uses electromagnetism. Ninety-five peak measurements taken while inspecting 8 turbine engine shafts ranged from
[Operational aspects of risk perception in the electromagnetic fields exposition].
Research
RF Safe Research Library
Jan 1, 2007
This study reports on symptomatology and risk perception among 45 people living near power-lines in the Benevento area. Although measured electric and magnetic fields were described as being within the normal range, participants reported symptoms mainly in subjective and behavioural domains. The authors argue that…
[Measurements of professional exposure to ELF fields in some production areas within the territory of Regione Campania and comparison with the action values according to 2004/40/CE Directive].
Research
RF Safe Research Library
Jan 1, 2007
This occupational exposure assessment measured ELF magnetic fields in 400 workers across 80 work areas in several production sectors in Regione Campania. Measurements were taken continuously over two shifts and processed into RMS magnetic-field values. The authors report no exceedance of the EU 2004/40/CE action…
[Assessment of radiofrequency electromagnetic fields levels in the Taranto area].
Research
RF Safe Research Library
Jan 1, 2007
This study reports punctual monitoring of RF electromagnetic fields from radiobase stations in the Taranto area, with measurement campaigns conducted from November 2005 to March 2007. Measurements covered 108 transmitting stations across multiple communication technologies within 100 kHz to 3 GHz. Most monitored…
[ELF-MF occupational exposure: repeated measures on workers].
Research
RF Safe Research Library
Jan 1, 2007
This occupational exposure assessment used personal dosimeters to estimate ELF magnetic field exposure in 543 workers across 9 occupational settings in Emilia-Romagna. Median time-weighted average exposure was 0.14 microT, with tile production showing the highest setting-level TWA. Repeat measurements after 6–9…
Biophoton emission of MDCK cell with hydrogen peroxide and 60 Hz AC magnetic field.
Research
RF Safe Research Library
Jan 1, 2007
This in vitro study measured biophoton/chemiluminescence emission from MDCK cells after inducing reactive oxygen species with hydrogen peroxide. The authors report that photon emission increased with hydrogen peroxide dose and that photomultiplier tube measurements agreed with fluorescence microscopy observations.…
The influence of combined magnetic field on the fusion of plant protoplasts.
Research
RF Safe Research Library
Jan 1, 2007
This laboratory study examined whether a weak alternating magnetic field tuned to the cyclotron frequency of Ca2+ and K+ ions influences fusion of tobacco and soya protoplasts. The abstract reports a 2–3× increase in protoplast fusion frequency under exposure. It also reports involvement of calcium ions in induction…
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…
Evaluation of mulitprobe radiofrequency technology in a porcine model.
Research
RF Safe Research Library
Jan 1, 2007
This animal study evaluated two multiprobe radiofrequency ablation device approaches in pigs, including an impedance-based algorithm and clustered/combination probes with and without a switcher controller. The Pringle maneuver was associated with larger ablation volumes and shorter ablation times in one experiment,…
[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…
[A measurement of spontaneous magnetic field by satellites structures of harmonic spectrum].
Research
RF Safe Research Library
Jan 1, 2007
This study measured satellite structures of second- and third-harmonic spectra reflected from solid targets during femtosecond laser–plasma interactions using an optical multi-channel spectrometer. Red-shifted satellite structures of 2ω0 and 3ω0 were observed, and at ~10^18 W/cm^2 the inferred spontaneous magnetic…
AC electric field-induced alignment and long-range assembly of multi-wall carbon nanotubes inside aqueous media.
Research
RF Safe Research Library
Jan 1, 2007
This engineering study examines multi-wall carbon nanotubes suspended in water exposed to AC electric fields generated by 3D electrodes. It reports field-induced polarization leading to nanotube alignment and long-range, electrically conducting assemblies spanning the electrode gap, with assembly length controlled by…
[Reports on electromagnetic field strength measurements issued for occupational health and safety needs in the opinion of radio communication station users].
Research
RF Safe Research Library
Jan 1, 2007
This paper describes a modified approach for assessing occupational EMF exposure during work on radio and television towers and masts, where exposure can be high and tasks/routes are not fixed. The method calculates maximum admissible dwell time at different mast levels while incorporating the EMF dose accumulated…
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…