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Filters: tag: electric fields Clear

Mechanism first explanation of how the plasma membrane potential controls immune responses

Independent Voices RF Safe Nov 4, 2025

An RF Safe article argues that plasma membrane potential (Vm) is a key control variable for immune cell behavior by shaping ion driving forces, especially Ca2+ influx through CRAC channels and K+ channel–mediated hyperpolarization. It describes proposed links between Vm-regulated ion flux and downstream immune…

Modeling the interplay between myelin architecture and local electromagnetic fields

Research RF Safe Research Library Jan 1, 2025

This engineering/modeling study developed a 3D myelin microstructure model using finite element analysis and high-resolution imaging to simulate local electromagnetic field distributions. It reports that myelin architecture substantially shapes the distribution of electromagnetic fields across neural tissues. The…

Weak anthropogenic electric fields affect honeybee foraging

Research RF Safe Research Library Jan 1, 2025

This animal ecology study reports that weak anthropogenic-like airborne electric fields can reduce honeybee floral landing rates. It reports deterrent effects for AC and positive DC fields, with no statistically significant effect for negative DC fields. The authors also report that electric fields measured near…

Analysis of Human Exposure to Electric and Magnetic Fields While Charging and Driving an Electric Vehicle

Research RF Safe Research Library Jan 1, 2025

This paper describes planned experimental measurements of electric and magnetic fields generated by electric vehicles during charging and driving. The abstract emphasizes that occupants can experience notable EMF exposure due to proximity to vehicle electrical systems, while stating that specific health risks in the…

Bus-exposure matrix, a tool to assess bus drivers' exposure to physicochemical hazards

Research RF Safe Research Library Jan 1, 2025

This paper describes the development of a Bus-Exposure Matrix (BEM) to retrospectively estimate Swiss bus drivers’ exposures to 10 physicochemical hazards, including electric and magnetic fields. Measurements in representative buses were combined with technical inventories and INLA modeling to estimate annual…

Active matter as the underpinning agency for extraordinary sensitivity of biological membranes to electric fields

Research RF Safe Research Library Jan 1, 2025

This biophysics paper presents a nonequilibrium (active matter) statistical mechanics model for electromechanical biological membranes. It argues that energy-driven activity in membranes could enable detection of electric fields far below equilibrium thermal-noise limits, and reports that the model can reproduce…

Sensation of electric fields in the Drosophila melanogaster larva

Research RF Safe Research Library Jan 1, 2025

This animal study reports that Drosophila melanogaster larvae can sense electric fields and exhibit robust electrotaxis toward the cathode in controlled environments. The authors identify head-tip sensory neurons required for this behavior and report calcium-imaging evidence that Gr66a-positive neurons encode field…

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…

Biological effects of extremely low frequency electric and magnetic fields: a review

Research RF Safe Research Library Jan 1, 1977

This review summarizes reported biological effects of extremely low frequency (ELF) electric and magnetic fields, describing them as significant and often acting as stressors. Reported outcomes include metabolic, hormonal, and body weight changes in rodents, lethality at high exposure levels in mice and insects, and…

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