Real Time Processing and Transferring ECG Signal by a Mobile Phone.
Research
RF Safe Research Library
Jan 1, 2014
This paper presents an engineering approach for real-time ECG signal processing on a mobile phone with remote transmission to a medical center. The method uses an IIR low-pass filter and Hilbert transform to support R-peak detection and arrhythmia alerting. Reported algorithm performance includes 96.97% sensitivity…
Autophagy and enhanced chemosensitivity in experimental pancreatic cancers induced by noninvasive radiofrequency field treatment.
Research
RF Safe Research Library
Jan 1, 2014
This study tested noninvasive 13.56 MHz radiofrequency electric fields as a treatment adjunct for pancreatic ductal adenocarcinoma in cell lines and mouse xenograft models. The authors report RF exposure caused cytotoxicity in PDAC cells via autophagy (not apoptosis) and that normal pancreatic ductal epithelial cells…
Cell hydration as a biomarker for estimation of biological effects of nonionizing radiation on cells and organisms.
Research
RF Safe Research Library
Jan 1, 2014
This comparative study examined how distilled water pretreated by different nonionizing radiation modalities (mechanical vibration/infrasound, static magnetic field, ELF EMF, and microwave) affected hydration of barley seeds in dormant versus germination periods. The authors report greater sensitivity of hydration to…
Sensitivity enhancement of Faraday effect based heterodyning fiber laser magnetic field sensor by lowering linear birefringence.
Research
RF Safe Research Library
Jan 1, 2013
This engineering study describes a method to improve the sensitivity of Faraday-effect-based heterodyning fiber laser sensors for magnetic field measurement. It reports an inverse relationship between magnetic-field sensitivity and intra-cavity linear birefringence, supported by theory and experimental birefringence…
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…
Dynamic control of adsorption sensitivity for photo-EMF-based ammonia gas sensors using a wireless network.
Research
RF Safe Research Library
Jan 1, 2011
This engineering paper proposes a control method for a photo-electromagnetic field (EMF)-based ammonia gas sensor that uses a wireless network and adjusts illumination light intensity. It reports that measurement error is minimized over 3 800 ppm ammonia when the concentration corresponds to an optimal illumination…
Increased blood oxygen level-dependent (BOLD) sensitivity in the mouse somatosensory cortex during electrical forepaw stimulation using a cryogenic radiofrequency probe.
Research
RF Safe Research Library
Jan 1, 2011
This engineering-focused mouse fMRI study evaluated a 400-MHz cryogenic RF probe (CryoProbe) versus a conventional room-temperature surface coil during electrical forepaw stimulation. The CryoProbe increased image SNR and temporal SNR and reduced temporal noise compared with the room-temperature coil. The authors…
Reduction of implant RF heating through modification of transmit coil electric field.
Research
RF Safe Research Library
Jan 1, 2011
This engineering study describes modifying MRI RF transmit coil electric-field distributions to create electric field-free zones without substantially changing transmit sensitivity. Phantom experiments are reported to show reduced implant heating when a zero electric-field plane is aligned with the implant location.…
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…