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Showing results for: bacteria

Bacterial Adaptation to Radiofrequency Electromagnetic Fields Based on Experiences from Ionizing Radiation

Research RF Safe Research Library Jan 1, 2025

This 2025 review summarizes historical and modern literature on how bacteria may adapt to radiofrequency electromagnetic fields from common sources such as mobile phones and Wi-Fi. It argues that RF-EMF exposure can influence bacterial survival mechanisms and could potentially compromise therapeutic interventions by…

Effects of flow-induced electromagnetic field and surface roughness on antifouling activity of phenolic compounds.

Research RF Safe Research Library Jan 1, 2024

This study examined whether a flow-induced electromagnetic field in an electrolyte system affects bacterial adhesion to polycardanol-based surfaces modified with ferromagnetic iron oxide. IO-ionic solution-modified surfaces associated with induced currents (44–66 nA) showed reduced bacterial adhesion compared with…

Chronic Drug-Resistant Cystitis Treated with a Sequence of Modulated Extremely Low-Frequency Electromagnetic Fields: A Randomized Study of 148 Cases.

Research RF Safe Research Library Jan 1, 2024

This randomized placebo-controlled study evaluated sequenced, modulated extremely low-frequency electromagnetic fields for drug-resistant chronic bacterial cystitis in 148 women. The treated group showed significant between-group differences at 4 weeks in multiple laboratory parameters, with reported sustained…

Mg.ATP-decorated ultrafine magnetic nanofibers: A bone scaffold with high osteogenic and antibacterial properties in the presence of an electromagnetic field.

Research RF Safe Research Library Jan 1, 2022

This in vitro study developed magnetic electrospun nanofibers for bone regeneration and evaluated osteogenic and antibacterial properties. Functionalization with ATP and Mg increased mesenchymal stem cell adhesion, proliferation, and osteogenic marker readouts compared with unmodified fibers. The authors report that…

Anticancer and antibacterial potentials induced post short-term exposure to electromagnetic field and silver nanoparticles and related pathological and genetic alterations: in vitro study.

Research RF Safe Research Library Jan 1, 2022

This in vitro study evaluated short-term extremely low frequency electromagnetic field (ELF-EMF) exposure and silver nanoparticles (AgNPs), alone and combined, for antibacterial effects and apoptosis induction in MCF-7 breast cancer cells. The authors report time-dependent reductions in bacterial viable counts, with…

Hypothesis: Bacteria benefiting from electromagnetic field in peripheral neuropathy.

Research RF Safe Research Library Jan 1, 2021

This article presents a hypothesis that persistent microbiota may exist in the host nervous system and that some bacteria can benefit from electromagnetic fields. The authors suggest such colonization could weaken nerve signals and propose that EMF sensitivity might enable electromagnetic modulation of bacterial…

and Exposed to Wi-Fi Radiofrequency Electromagnetic Radiation Show Enhanced Growth and Lactic Acid Production.

Research RF Safe Research Library Jan 1, 2020

This in vitro experimental study exposed two Lactobacillus probiotic cultures to 2.4 GHz Wi‑Fi RF-EMF from a router for 15–60 minutes and compared them with sham-exposed controls. The authors report increased bacterial growth after 30–60 minutes of exposure, with no growth difference at 15 minutes. Lactic acid…

Electromagnetic fields for biofouling mitigation in reclaimed water distribution systems.

Research RF Safe Research Library Jan 1, 2020

This experimental study evaluated electromagnetic field (EMF) treatment as a chemical-free approach to mitigate biofouling in reclaimed water distribution systems. The authors report that EMFs altered biofilm bacterial communities, reduced diversity, disrupted co-occurrence network structure, and inhibited biofilm…

Low-frequency electromagnetic fields as an alternative to sanitize water of drinking systems in poultry production?

Research RF Safe Research Library Jan 1, 2019

This study tested pulsed low-frequency electromagnetic fields (up to 10,000 Hz; max 21 mT) as a potential alternative sanitation approach for poultry drinking water systems. LF-EMF exposure was linked to variable changes in culturable bacterial counts, with direction depending on system type and some early…

Evaluation of effect of high frequency electromagnetic field on growth and antibiotic sensitivity of bacteria.

Research RF Safe Research Library Jan 1, 2018

This in vitro study evaluated whether high-frequency electromagnetic fields at 900 and 1800 MHz affect bacterial DNA, growth, and antibiotic susceptibility after 2 hours of exposure. The authors report no detectable DNA differences between exposed and non-exposed bacteria for the species described. Growth and…

Streptosporangium minutum sp. nov., isolated from garden soil exposed to microwave radiation.

Research RF Safe Research Library Jan 1, 2018

This paper reports the isolation of strain M26 from garden soil that was pre-treated with microwave radiation, followed by polyphasic taxonomic characterization. Based on morphological, chemotaxonomic, and 16S rRNA phylogenetic analyses, the authors propose the new species Streptosporangium minutum. The strain is…

The response of human bacteria to static magnetic field and radiofrequency electromagnetic field.

Research RF Safe Research Library Jan 1, 2017

This study investigated how laboratory bacterial strains and skin bacterial isolates respond to static magnetic fields and radiofrequency EMF described as cell phone-level exposure. The authors report variable and inconsistent growth responses across species and across isolates from four subjects. They propose that…

Evaluation of the Effect of Radiofrequency Radiation Emitted From Wi-Fi Router and Mobile Phone Simulator on the Antibacterial Susceptibility of Pathogenic Bacteria and .

Research RF Safe Research Library Jan 1, 2017

This in vitro study assessed whether RF-EMF exposure from a GSM 900 MHz mobile phone simulator and a 2.4 GHz Wi-Fi router alters bacterial susceptibility to antibiotics. The authors report significant changes in inhibition zone diameters and bacterial growth rate after exposure. They also describe an exposure window…

A comparison of the efficacy of mechanical, chemical, and microwave radiation methods in disinfecting complete dentures.

Research RF Safe Research Library Jan 1, 2017

This in vitro study compared microwave irradiation with chemical (2% glutaraldehyde, Corega tablets) and mechanical (brushing) methods for disinfecting complete dentures contaminated with two microorganisms. Microwave irradiation (650 W for 3 minutes) and both chemical methods showed no detectable bacterial growth at…

Epitaxy of the bound water phase on hydrophilic surfaces of biopolymers as key mechanism of microwave radiation effects on living objects.

Research RF Safe Research Library Jan 1, 2017

This study examined proposed mechanisms of microwave radiation effects using a bacterial culture and a sterile growth medium, focusing on a sensor bioluminescence system. The authors report irradiation-related changes in UV spectral properties (200–350 nm), luminescence, NMR relaxation parameters, bacterial growth,…

[Influence of magnetic field on the growth of pathogen microorganisms isolated from the indoor environment at the Archivo Nacional de la República de Cuba].

Research RF Safe Research Library Jan 1, 2015

This in vitro study exposed five microorganisms (including indoor isolates and reference strains) to an extremely low frequency magnetic field (60 Hz, 3 mT) for two hours. The authors report a statistically significant increase in colony counts in exposed samples versus controls, with stronger stimulation in nutrient…

The effects of different intensities, frequencies and exposure times of extremely low-frequency electromagnetic fields on the growth of Staphylococcus aureus and Escherichia coli O157:H7.

Research RF Safe Research Library Jan 1, 2015

This in vitro study examined whether extremely low-frequency electromagnetic fields (ELF-EMF) affect growth of Staphylococcus aureus and Escherichia coli O157:H7. Bacterial cultures were exposed to sinusoidal homogeneous ELF-EMF at 2 or 4 mT, with frequencies of 20, 40, or 50 Hz, for 1–6 hours, and CFU were compared…

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…

Milk processed by pulsed electric fields: evaluation of microbial quality, physicochemical characteristics, and selected nutrients at different storage conditions.

Research RF Safe Research Library Jan 1, 2011

This study evaluated pulsed electric fields (PEF) as a pasteurization method for raw skim and whole milk across multiple treatment intensities and storage conditions. The abstract reports only minor changes in physicochemical properties and small decreases in some composition measures under stronger treatments.…

Intestinal MMC-related electric fields and pancreatic juice control the adhesion of Gram-positive and Gram-negative bacteria to the gut epithelium--in vitro study.

Research RF Safe Research Library Jan 1, 2008

This in vitro study tested whether a weak electric field reconstructed from duodenal spiking potentials during an MMC cycle affects bacterial adhesion to Caco-2 intestinal epithelial cells. The MMC-related electric field increased adhesion of Lactobacillus and Lactococcus strains, while two pathogenic strains…

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