2,408 results match your criteria Bioelectromagnetics[Journal]


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Bioelectromagnetics 2018 Jul;39(5):342

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Effects of large gradient high magnetic field (LG-HMF) on the long-term culture of aquatic organisms: Planarians example.

Bioelectromagnetics 2018 Jun 6. Epub 2018 Jun 6.

Institute for Special Environmental Biophysics, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, P.R. China.

Large gradient high magnetic field (LG-HMF) is a powerful tool to study the effects of altered gravity on organisms. In our study, a platform for the long-term culture of aquatic organisms was designed based on a special superconducting magnet with an LG-HMF, which can provide three apparent gravity levels (µ g, 1 g, and 2 g), along with a control condition on the ground. Planarians, Dugesia japonica, were head-amputated and cultured for 5 days in a platform for head reconstruction. Read More

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June 2018
4 Reads

Dose-response study for the highly aggressive and metastatic primary F3II mammary carcinoma under direct current.

Bioelectromagnetics 2018 Jun 5. Epub 2018 Jun 5.

Departamento de Telecomunicaciones, Facultad de Ingeniería Eléctrica, Universidad de Oriente, Santiago de Cuba, Cuba.

Electrochemical treatment has been suggested as an effective alternative to local cancer therapy. Nevertheless, its effectiveness decreases when highly aggressive primary tumors are treated. The aim of this research was to understand the growth kinetics of the highly aggressive and metastatic primary F3II tumor growing in male and female BALB/c/Cenp mice under electrochemical treatment. Read More

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June 2018
3 Reads

SAR investigations on the exposure compliance of wearable wireless devices using infrared thermography.

Bioelectromagnetics 2018 Jun 5. Epub 2018 Jun 5.

RAMS Lab, Department of Telecommunication Engineering, SRM Institute of Science & Technology, Chennai, India.

Wearable electronics have become the norm over the last few years. Extensive use of wearable wireless devices (WWD) in greater proximity to the body has increased concern about potential biological effects due to the interaction of human tissues with electromagnetic (EM) fields. Human tissues absorb radiofrequency (RF) waves that are capable of affecting energy states at a molecular level, leading to unsafe effects. Read More

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June 2018
2 Reads

Effects of combined magnetic fields on bacteria Rhodospirillum rubrum VKM B-1621.

Bioelectromagnetics 2018 May 24. Epub 2018 May 24.

Institute of Biochemistry and , Physiology of Microorganisms, Russian Academy of Sciences, Pushchino , Russia.

Bacteria are the simplest model of living organisms and thus are a convenient object for magnetobiological research. This paper describes some effects of combined magnetic fields (CMFs) on the bacterium Rhodospirillum rubrum strain VKM B-1621, which is not a pathogen but was selected due to its wide spectrum of growth abilities. The authors chose magnetic field-resonant phosphorus and iron (Fe ) because P-containing biochemical compounds (standard abbreviations PP , AMP, ADP, ATP) provide energy flows in bacteria while iron could take part in formation of magnetosensitive intracellular inclusions. Read More

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May 2018
1 Read

The antitumor effect of static and extremely low frequency magnetic fields against nephroblastoma and neuroblastoma.

Bioelectromagnetics 2018 Jul 2;39(5):375-385. Epub 2018 May 2.

Central Laboratory, Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.

Certain magnetic fields (MF) have potential therapeutic antitumor effect whereas the underlying mechanism remains undefined. In this study, a well-characterized MF was applied to two common childhood malignancies, nephroblastoma and neuroblastoma. This MF has a time-averaged total intensity of 5. Read More

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July 2018
2 Reads

Reduction of the geomagnetic field delays Arabidopsis thaliana flowering time through downregulation of flowering-related genes.

Bioelectromagnetics 2018 Jul 30;39(5):361-374. Epub 2018 Apr 30.

Plant Physiology Unit, Department of Life Sciences and Systems Biology, University of Turin, Turin, Italy.

Variations in magnetic field (MF) intensity are known to induce plant morphological and gene expression changes. In Arabidopsis thaliana Col-0, near-null magnetic field (NNMF, i.e. Read More

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July 2018
2 Reads

Numerical evaluation of human exposure to WiMax patch antenna in tablet or laptop.

Bioelectromagnetics 2018 Jul 30;39(5):414-422. Epub 2018 Apr 30.

Institute of Clinical Physiology, CNR, Pisa, Italy.

The use of wireless communication devices, such as tablets or laptops, is increasing among children. Only a few studies assess specific energy absorption rate (SAR) due to exposure from wireless-enabled tablets and laptops, in particular with Worldwide Interoperability for Microwave Access (WiMax) technology. This paper reports the estimation of the interaction between an E-shaped patch antenna (3. Read More

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July 2018
1 Read

Pulsed electromagnetic field therapy in the treatment of pain and other symptoms in fibromyalgia: A randomized controlled study.

Bioelectromagnetics 2018 Jul 30;39(5):405-413. Epub 2018 Apr 30.

Department of Physical Medicine and Rehabilitation, Central Finland Central Hospital, Jyväskylä, Finland.

Low-energy pulsed electromagnetic field (PEMF) therapy has been suggested as a promising therapy to increase microcirculation, which is of great concern in patients with fibromyalgia. This study evaluated the effectiveness of PEMF therapy on the treatment of fibromyalgia. A group of 108 women with fibromyalgia were allocated to a 12-week treatment period with an active Bio-Electro-Magnetic-Energy-Regulation (BEMER) device and a similar treatment period with an inactive device. Read More

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July 2018
2 Reads

Effects of moderate intensity static magnetic fields on osteoclastic differentiation in mouse bone marrow cells.

Bioelectromagnetics 2018 Jul 30;39(5):394-404. Epub 2018 Apr 30.

Department of Prosthodontics, School of Dentistry, Kyung Hee University, Seoul, South Korea.

Although we recently demonstrated that static magnetic fields (SMFs) of 3, 15, and 50 mT stimulate osteoblastic differentiation, the effects of SMFs on osteoclastogenesis are still poorly understood. This study focused on the suppressive effects of SMFs on receptor activator of nuclear factor κB ligand (RANKL)-induced osteoclastogenesis and bone resorption. Direct SMFs inhibit RANKL-induced multinucleated osteoclast formation, tartrate-resistant acid phosphatase activity, and bone resorption in mouse bone marrow-derived macrophage cells. Read More

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July 2018
1 Read

Effects of 1.8 GHz radiofrequency field on microstructure and bone metabolism of femur in mice.

Bioelectromagnetics 2018 Jul 30;39(5):386-393. Epub 2018 Apr 30.

Faculty of Preventive Medicine, Department of Radiation Biology, Fourth Military Medical University, Xi'an, Shaanxi, People's Republic of China.

To investigate the effects of 1.8 GHz radiofrequency (RF) field on bone microstructure and metabolism of femur in mice, C57BL/6 mice (male, age 4 weeks) were whole-body exposed or sham exposed to 1.8 GHz RF field. Read More

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July 2018
1 Read

Cellular ATP levels are affected by moderate and strong static magnetic fields.

Bioelectromagnetics 2018 Jul 30;39(5):352-360. Epub 2018 Apr 30.

High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China.

Mitochondrion is the major cellular energy producing organelle that is at the boundary between chemical reactions and physical processes. Although mitochondria have been shown to be affected by physical methods such as nonthermal plasma, whether static magnetic field (SMF) could also affect them is still unclear. Here we used rat adrenal PC12 cells to compare SMFs of different intensities for their effects on ATP (adenosine-5'-triphosphate), the major energy source produced by mitochondria, which is essential for various cellular processes. Read More

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July 2018
1 Read

Effect of pharmacological modulation of actin and myosin on collective cell electrotaxis.

Bioelectromagnetics 2018 May 17;39(4):289-298. Epub 2018 Apr 17.

Department of Mechanical & Aerospace Engineering, Old Dominion University, Norfolk, Virginia.

Electrotaxis-the directional migration of cells in response to an electric field-is most evident in multicellular collectives and plays an important role in physiological contexts. While most cell types respond to applied electric fields of the order of a Volt per centimeter, our knowledge of the factors influencing this response is limited. This is especially true for collective cell electrotaxis, in which the subcellular migration response within a cell has to be coordinated with coupled neighboring cells. Read More

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May 2018
5 Reads

Effect of homogeneous static magnetic treatment on the adsorption capacity in maize seeds (Zea mays L.).

Bioelectromagnetics 2018 Jul 11;39(5):343-351. Epub 2018 Apr 11.

Research Group on Electromagnetic Fields Environment and Public Health, Universidad de Caldas, Manizales, Colombia.

In order to analyze the treatment of seeds with homogeneous static magnetic field on the water adsorption process, an experimental-theoretical study of hygroscopic equilibrium in maize seeds (Zea mays L. cv. ICAV305) was carried out. Read More

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July 2018
2 Reads

Stroke localization and classification using microwave tomography with k-means clustering and support vector machine.

Authors:
Lei Guo Amin Abbosh

Bioelectromagnetics 2018 May 25;39(4):312-324. Epub 2018 Mar 25.

School of Information Technology and Electrical Engineering, University of Queensland, Brisbane, Australia.

For any chance for stroke patients to survive, the stroke type should be classified to enable giving medication within a few hours of the onset of symptoms. In this paper, a microwave-based stroke localization and classification framework is proposed. It is based on microwave tomography, k-means clustering, and a support vector machine (SVM) method. Read More

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May 2018
3 Reads

Effect of cell phone radiofrequency radiation on body temperature in rodents: Pilot studies of the National Toxicology Program's reverberation chamber exposure system.

Bioelectromagnetics 2018 Apr 14;39(3):190-199. Epub 2018 Mar 14.

IIT Research Institute, Chicago, Illinois.

Radiofrequency radiation (RFR) causes heating, which can lead to detrimental biological effects. To characterize the effects of RFR exposure on body temperature in relation to animal size and pregnancy, a series of short-term toxicity studies was conducted in a unique RFR exposure system. Young and old B6C3F1 mice and young, old, and pregnant Harlan Sprague-Dawley rats were exposed to Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA) RFR (rats = 900 MHz, mice = 1,900 MHz) at specific absorption rates (SARs) up to 12 W/kg for approximately 9 h a day for 5 days. Read More

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April 2018
3 Reads

From the basic science of biological effects of ultrashort electrical pulses to medical therapies.

Bioelectromagnetics 2018 May 12;39(4):257-276. Epub 2018 Mar 12.

Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, Virginia.

This article is based on my presentation at the D'Arsonval Ceremony at the Joint Annual Meeting of the Bioelectromagnetics Society and the European BioElectromagnetics Association in Hangzhou, China, in June of 2017. It describes the pathway from the first studies on the effects of intense, nanosecond pulses on biological cells to the development of medical therapies based on these effects. The motivation for the initial studies of the effects of high voltage, nanosecond pulses on mammalian cells was based on a simple electrical circuit model, which predicted that such pulses allow us to affect not just the plasma membrane but also the subcellular structures. Read More

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May 2018
2 Reads

Radiofrequency exposure assessment of baby surveillance devices in the frequency range 400 MHz-2.45 GHz.

Bioelectromagnetics 2018 Apr 1;39(3):244-248. Epub 2018 Mar 1.

imec - WAVES, Department of Information Technology at Ghent University, Ghent, Belgium.

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April 2018
2 Reads

Heart rate variability affected by radiofrequency electromagnetic field in adolescent students.

Bioelectromagnetics 2018 May 22;39(4):277-288. Epub 2018 Feb 22.

Jessenius Faculty of Medicine in Martin, Department of Medical Biophysics, Comenius University in Bratislava, Martin, Slovakia.

This study examines the possible effect of radiofrequency (RF) electromagnetic fields (EMF) on the autonomic nervous system (ANS). The effect of RF EMF on ANS activity was studied by measuring heart rate variability (HRV) during ortho-clinostatic test (i.e. Read More

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May 2018
2 Reads

Effects of time delays on biological feedback systems and electromagnetic field exposures.

Bioelectromagnetics 2018 Apr 19;39(3):249-252. Epub 2018 Feb 19.

University of Colorado, Boulder, Colorado.

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April 2018
2 Reads

ATP sensitive K channel subunits (Kir6.1, Kir6.2) are the candidate mediators regulating ameliorating effects of pulsed magnetic field on aortic contractility in diabetic rats.

Bioelectromagnetics 2018 May 15;39(4):299-311. Epub 2018 Feb 15.

Faculty of Medicine, Department of Medical Biology, Cukurova University, Adana, Turkey.

Diabetes mellitus is a metabolic disease that causes increased morbidity and mortality in developed and developing countries. With recent advancements in technology, alternative treatment methods have begun to be investigated in the world. This study aims to evaluate the effect of pulsed magnetic field (PMF) on vascular complications and contractile activities of aortic rings along with Kir6. Read More

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May 2018
7 Reads

Tissue models for RF exposure evaluation at frequencies above 6 GHz.

Bioelectromagnetics 2018 Apr 8;39(3):173-189. Epub 2018 Feb 8.

Department of Electrical Engineering, University of Maryland, College Park, Maryland.

Exposures to radiofrequency (RF) energy above 6 GHz are characterized by shallow energy penetration, typically limited to the skin, but the subsequent increase in skin temperature is largely determined by heat transport in subcutaneous layers. A detailed analysis of the energy reflection, absorption, and power density distribution requires a knowledge of the properties of the skin layers and their variations. We consider an anatomically detailed model consisting of 3 or 4 layers (stratum corneum, viable epidermis plus dermis, subcutaneous fat, and muscle). Read More

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April 2018
2 Reads

Magnetic field pattern synthesis and its application in targeted drug delivery: Design and implementation.

Bioelectromagnetics 2018 May 2;39(4):325-338. Epub 2018 Feb 2.

Bioelectromagnetics Group, Applied Electromagnetics Laboratory, School of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran.

In cancer therapy, magnetic drug targeting is considered as an effective treatment to reduce chemotherapy's side effects. The accurate design and shaping of magnetic fields are crucial for healthy cells to be immune from chemotherapeutics. In this paper, arbitrary 2-dimensional spatial patterns of magnetic fields from DC to megahertz are represented in terms of spatial Fourier spectra with sinusoidal eigenfunctions. Read More

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May 2018
3 Reads

Occupational exposure to extremely low-frequency magnetic fields and the risk of ALS: A systematic review and meta-analysis.

Bioelectromagnetics 2018 Feb 19;39(2):156-163. Epub 2018 Jan 19.

Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands.

We performed a meta-analysis to examine associations of occupational exposure to extremely-low frequency magnetic fields (ELF-MF) with amyotrophic lateral sclerosis (ALS). Epidemiologic studies were identified in EMBASE and MEDLINE, in reference lists and a specialist database. We included studies that reported risk estimates of ALS in association with occupational ELF-MF exposure. Read More

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February 2018
5 Reads

Calibration and non-orthogonality correction of three-axis Hall sensors for the monitoring of MRI workers' exposure to static magnetic fields.

Bioelectromagnetics 2018 Feb 19;39(2):108-119. Epub 2018 Jan 19.

U947, Inserm, Nancy, France.

A Magnetic Resonance Imaging (MRI) scanner uses three different electromagnetic fields (EMF) to produce body images: a static permanent magnetic field (MF), several pulsed magnetic gradients, and a radiofrequency pulse. As a result, any occupation that includes an MRI exposes workers to a strong MF. The World Health Organization has now given the monitoring of occupational EMF exposure a high priority. Read More

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February 2018
2 Reads

Pulsed electromagnetic field improves subchondral bone microstructure in knee osteoarthritis rats through a Wnt/β-catenin signaling-associated mechanism.

Bioelectromagnetics 2018 Feb 18;39(2):89-97. Epub 2017 Dec 18.

Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China.

Pulsed electromagnetic field (PEMF) is often used for management of osteoarthritis (OA). The aim of the study was to determine whether PEMF can successfully improve subchondral bone microstructure through a Wnt/β-catenin signaling-associated pathway in rats with knee OA induced by low-dose monosodium iodoacetate (MIA). Seventy-two 12-week-old male Sprague-Dawley rats were randomly assigned to three groups: OA (n = 24), PEMF (n = 24), and Control (n = 24). Read More

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February 2018
7 Reads

Uniform magnetic targeting of magnetic particles attracted by a new ferromagnetic biological patch.

Bioelectromagnetics 2018 Feb 18;39(2):98-107. Epub 2017 Dec 18.

Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.

A new non-toxic ferromagnetic biological patch (MBP) was designed in this paper. The MBP consisted of two external layers that were made of transparent silicone, and an internal layer that was made of a mixture of pure iron powder and silicon rubber. Finite-element analysis showed that the local inhomogeneous magnetic field (MF) around the MBP was generated when MBP was placed in a uniform MF. Read More

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February 2018
4 Reads

Extremely high-frequency electromagnetic radiation enhances neutrophil response to particulate agonists.

Bioelectromagnetics 2018 Feb 30;39(2):144-155. Epub 2017 Nov 30.

Kotel'nikov Institute of Radioengineering and Electronics of Russian Academy of Sciences (Fryasino branch), Fryasino, Russia.

The growing use of extremely high-frequency electromagnetic radiation (EHF EMR) in information and communication technology and in biomedical applications has raised concerns regarding the potential biological impact of millimeter waves (MMWs). Here, we elucidated the effects of MMW radiation on neutrophil activation induced by opsonized zymosan or E. coli in whole blood ex vivo. Read More

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February 2018
4 Reads

Analysis of ear side of mobile phone use in the general population of Japan.

Bioelectromagnetics 2018 Jan 24;39(1):53-59. Epub 2017 Nov 24.

Department of Public Health, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan.

This study aimed to clarify the distribution of the ear side of mobile phone use in the general population of Japan and clarify what factors are associated with the ear side of mobile phone use. Children at elementary and junior high schools (n = 2,518) and adults aged ≥20 years (n = 1,529) completed an Internet-based survey. Data were subjected to a logistic regression analysis. Read More

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January 2018
3 Reads

Effects of exposure to electromagnetic field from 915 MHz radiofrequency identification system on circulating blood cells in the healthy adult rat.

Bioelectromagnetics 2018 Jan 24;39(1):68-76. Epub 2017 Nov 24.

Department of Neurosurgery, Ajou University School of Medicine, Suwon, Republic of Korea.

We investigated whether exposure to the 915 MHz radiofrequency identification (RFID) signal affected circulating blood cells in rats. Sprague-Dawley rats were exposed to RFID at a whole-body specific absorption rate of 2 W/kg for 8 h per day, 5 days per week, for 2 weeks. Complete blood counts were performed after RFID exposure, and the CD4 /CD8 ratio was determined by flow cytometry. Read More

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January 2018
7 Reads

Retrospective estimation of the electric and magnetic field exposure conditions in in vitro experimental reports reveal considerable potential for uncertainty.

Bioelectromagnetics 2018 Apr 24;39(3):231-243. Epub 2017 Nov 24.

Immunent B.V. and Neiding B.V., Veldhoven, The Netherlands.

Experiments on cell cultures exposed to extremely low frequency (ELF, 3-300 Hz) magnetic fields are often subject to multiple sources of uncertainty associated with specific electric and magnetic field exposure conditions. Here we systemically quantify these uncertainties based on exposure conditions described in a group of bioelectromagnetic experimental reports for a representative sampling of the existing literature. The resulting uncertainties, stemming from insufficient, ambiguous, or erroneous description, design, implementation, or validation of the experimental methods and systems, were often substantial enough to potentially make any successful reproduction of the original experimental conditions difficult or impossible. Read More

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April 2018
5 Reads

Assessment of exposure to radio frequency electromagnetic fields from smart utility meters in GB; part II) numerical assessment of induced SAR within the human body.

Bioelectromagnetics 2018 Apr 16;39(3):200-216. Epub 2017 Nov 16.

Radiation Dosimetry Department, Public Health England, Oxford, United Kingdom.

Human body exposure to radiofrequency electromagnetic waves emitted from smart meters was assessed using various exposure configurations. Specific energy absorption rate distributions were determined using three anatomically realistic human models. Each model was assigned with age- and frequency-dependent dielectric properties representing a collection of age groups. Read More

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April 2018
5 Reads

IEI-EMF provocation case studies: A novel approach to testing sensitive individuals.

Bioelectromagnetics 2018 Feb 10;39(2):132-143. Epub 2017 Nov 10.

Australian Centre for Electromagnetic Bioeffects Research.

The etiology of Idiopathic Environmental Intolerance attributed to Electromagnetic Fields (IEI-EMF) is controversial. While the majority of studies have indicated that there is no relationship between EMF exposure and symptoms reported by IEI-EMF sufferers, concerns about methodological issues have been raised. Addressing these concerns, the present experiment was designed as a series of individual case studies to determine whether there is a relationship between radiofrequency-electromagnetic field (RF-EMF) exposure and an IEI-EMF individual's self-reported symptoms. Read More

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February 2018
7 Reads

Exposure to a specific time-varying electromagnetic field inhibits cell proliferation via cAMP and ERK signaling in cancer cells.

Bioelectromagnetics 2018 Apr 10;39(3):217-230. Epub 2017 Nov 10.

Department of Biomolecular Sciences, Laurentian University, Sudbury, Ontario, Canada.

Exposure to specific electromagnetic field (EMF) patterns can affect a variety of biological systems. We have shown that exposure to Thomas-EMF, a low-intensity, frequency-modulated (25-6 Hz) EMF pattern, inhibited growth and altered cell signaling in malignant cells. Exposure to Thomas-EMF for 1 h/day inhibited the growth of malignant cells including B16-BL6 mouse melanoma cells, MDA-MB-231, MDA-MB-468, BT-20, and MCF-7 human breast cancer and HeLa cervical cancer cells but did not affect non-malignant cells. Read More

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April 2018
5 Reads

Effects of EMF emissions from undersea electric cables on coral reef fish.

Bioelectromagnetics 2018 Jan 9;39(1):35-52. Epub 2017 Nov 9.

Nova Southeastern University, Halmos College of Natural Sciences and Oceanography, Dania Beach, Florida.

The objective of this study was to determine if electromagnetic field (EMF) emissions from undersea power cables impacted local marine life, with an emphasis on coral reef fish. The work was done at the South Florida Ocean Measurement Facility of Naval Surface Warfare Center in Broward County, Florida, which has a range of active undersea detection and data transmission cables. EMF emissions from a selected cable were created during non-destructive visual fish surveys on SCUBA. Read More

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January 2018
5 Reads

Numerical analysis for human perception of temperature rise on the fingertips during usage of a mobile device.

Bioelectromagnetics 2018 Feb 9;39(2):164-169. Epub 2017 Nov 9.

China Academy of Telecommunication Research of Ministry of Industry and Information Technology, Beijing, China.

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February 2018
8 Reads

EMP-induced BBB-disruption enhances drug delivery to glioma and increases treatment efficacy in rats.

Bioelectromagnetics 2018 Jan 6;39(1):60-67. Epub 2017 Nov 6.

Department of Radiation Medicine, Faculty of Preventive Medicine, Fourth Military Medical University, Xi'an, China.

Chemotherapy on gliomas is not satisfactorily efficient because the presence of blood-brain barriers (BBB) leads to inadequate exposure of tumor cells to administered drugs. In order to facilitate chemotherapeutics to penetrate BBB and increase the treatment efficacy of gliomas, electromagnetic pulse (EMP) was applied and the 1-(2-Chlorethyl)-cyclohexyl-nitrosourea (CCNU) lomustine concentration in tumor tissue, tumor size, tumor apoptosis, and side effects were measured in glioma-bearing rat model. The results showed that EMP exposure could enhance the delivery of CCNU to tumor tissue, facilitate tumor apoptosis, and inhibit tumor growth without obvious side effects. Read More

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January 2018
5 Reads

Response to the comments on "Analysis of Mobile Phone Use Among Young Patients with Brain Tumors in Japan".

Bioelectromagnetics 2017 Dec 17;38(8):655. Epub 2017 Oct 17.

Department of Public Health, School of Medicine, Tokyo Women's Medical University, Tokyo, Japan.

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December 2017
6 Reads

Improvement of wheat seed vitality by dielectric barrier discharge plasma treatment.

Bioelectromagnetics 2018 Feb 13;39(2):120-131. Epub 2017 Oct 13.

College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, China.

Influences of discharge voltage on wheat seed vitality were investigated in a dielectric barrier discharge (DBD) plasma system at atmospheric pressure and temperature. Six different treatments were designed, and their discharge voltages were 0.0, 9. Read More

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February 2018
7 Reads

Effects of extremely low frequency magnetic field on the development of tolerance to the analgesic effect of morphine in rats.

Bioelectromagnetics 2017 Dec 11;38(8):618-625. Epub 2017 Oct 11.

Research Center and Department of Physiology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran.

This study examined the effects of low frequency magnetic field (MF) on tolerance to analgesic effect of morphine in rats. Rats were made tolerant to morphine by injecting morphine (10 mg/kg, s) once daily for 8 consecutive days. Rats were simultaneously exposed to an MF (50 Hz at 1, 50, and 100 μT for 30 min) before, immediately, or 30 min after injection of morphine, and also exposed to a 0. Read More

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December 2017
10 Reads

The epigenetic component of the brain response to electromagnetic stimulation in Parkinson's Disease patients: A literature overview.

Bioelectromagnetics 2018 Jan 9;39(1):3-14. Epub 2017 Oct 9.

ENEA-Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Rome, Italy.

Modulations of epigenetic machinery, namely DNA methylation pattern, histone modification, and non-coding RNAs expression, have been recently included among the key determinants contributing to Parkinson's Disease (PD) aetiopathogenesis and response to therapy. Along this line of reasoning, a set of experimental findings are highlighting the epigenetic-based response to electromagnetic (EM) therapies used to alleviate PD symptomatology, mainly Deep Brain Stimulation (DBS) and Transcranial Magnetic Stimulation (TMS). Notwithstanding the proven efficacy of EM therapies, the precise molecular mechanisms underlying the brain response to these types of stimulations are still far from being elucidated. Read More

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January 2018
5 Reads

Comments on analysis of mobile phone use among young patients with brain tumors in Japan.

Bioelectromagnetics 2017 Dec 5;38(8):653-654. Epub 2017 Oct 5.

Diagnostic Imaging Center, Fox Chase Cancer Center, Philadelphia, Pennsylvania.

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December 2017
3 Reads

Unintended RF energy coupling during endoscopy.

Bioelectromagnetics 2018 Jan 27;39(1):77-82. Epub 2017 Sep 27.

Department of Electrical and Computer Engineering, The Ohio State University, Columbus, Ohio.

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January 2018
4 Reads

Magnetic field exposure to wireless charging stations for mobile phones.

Bioelectromagnetics 2018 Jan 25;39(1):83-85. Epub 2017 Sep 25.

Institute for Electromagnetic Fields, ETH, Zurich, Switzerland.

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January 2018
4 Reads

Suppression of Arabidopsis flowering by near-null magnetic field is mediated by auxin.

Bioelectromagnetics 2018 Jan 20;39(1):15-24. Epub 2017 Sep 20.

Beijing Key Laboratory of Bioelectromagnetism, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, P.R. China.

We previously found that flowering of Arabidopsis was suppressed by near-null magnetic field, which was related to cryptochrome. Auxin plays an important role in Arabidopsis flowering. To test whether auxin is involved in the suppression of Arabidopsis flowering by near-null magnetic field, we detected auxin level and expressions of auxin transport and signaling genes in wild-type Arabidopsis plants and cryptochrome double mutant, cry1/cry2, grown in near-null magnetic field. Read More

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January 2018
5 Reads

Wearable slot antenna at 2.45 GHz for off-body radiation: Analysis of efficiency, frequency shift, and body absorption.

Bioelectromagnetics 2018 Jan 12;39(1):25-34. Epub 2017 Sep 12.

Department of Communications Engineering, University of the Basque Country (UPV/EHU), Bilbao, Spain.

The interaction of body-worn antennas with the human body causes a significant decrease in antenna efficiency and a shift in resonant frequency. A resonant slot in a small conductive box placed on the body has been shown to reduce these effects. The specific absorption rate is less than international health standards for most wearable antennas due to small transmitter power. Read More

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January 2018
5 Reads

Responses to comments on assessment of polarization dependence of body shadow effect on dosimetry measurements in the 2.4 GHz band.

Bioelectromagnetics 2017 Dec 7;38(8):650-652. Epub 2017 Sep 7.

Signal Theory and Communications, and Telematic Engineering Department, University of Valladolid, Valladolid, Spain.

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December 2017
4 Reads

Comments on assessment of polarization dependence of body shadow effect on dosimetry measurements in 2.4GHz band.

Bioelectromagnetics 2017 Dec 7;38(8):648-649. Epub 2017 Sep 7.

Department of Information Technology, Ghent University, TechLane Ghent Science Park 15, B-9052Ghent, Belgium.

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December 2017
4 Reads

Effects of static magnetic fields on the enteropathogenic Escherichia coli.

Bioelectromagnetics 2017 Oct 25;38(7):570-578. Epub 2017 Aug 25.

Departamento de Salud Pública, Facultad de Medicina UNAM, Ciudad de México, México.

This study reports the effects of exposing cells of the prototypical enteropathogenic Escherichia coli (EPEC) strain E2348/69 to static magnetic fields (SMF) of varying intensities to observe their capacity to autoaggregate and the effect on cell adherence. The results showed that bacteria exposure over the course of 5 min to an intensity of 53 mT reduced autoaggregation by 28%. However, with intensities of up to 100 mT with the same exposure time, bacteria autoaggregation was reduced by approximately 50%; and after 30 min at the same intensity, it was indistinguishable from that observed in a non-autoaggregative strain. Read More

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October 2017
4 Reads

Forced acoustic oscillations of biological cell.

Bioelectromagnetics 2017 Dec 24;38(8):613-617. Epub 2017 Aug 24.

Department of Physics, Volgograd State Technical University, Volgograd, Russia.

This article considers the possibility of excitation of acoustic oscillations in a cell by electromagnetic waves. In this process, not only the frequency but also the length of a wave is of great importance. It is also reported that the pulse signal can be more effective than harmonic signal, and the pulse length is not essential. Read More

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December 2017
4 Reads