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Electromagnetic Biology and Medicine

Guoran Ruan, Xingfa Liu, Yemao Zhang, Baoquan Wan, Jiangong Zhang, Jinsheng Lai, Mengying He, Chen Chen
In the present study, the effects of power-frequency magnetic fields (PF-MF) on fertility and development were investigated in rats and mice. Adult Sprague-Dawley rats and C57BL/6J mice were divided into four groups: a sham exposure group and 30-µT, 100-µT and 500-µT PF-MF exposure groups. The rats were exposed for 24 weeks, and the exposure time for mice ranged from 18 d to 12 weeks, dependent on the different investigated end points. The rats and mice were exposed for 20 h/d. Plasma hormone levels in rats and mice were analyzed...
November 14, 2018: Electromagnetic Biology and Medicine
Timur Saliev, Dinara M Baiskhanova, Alma Akhmetova, Dinara A Begimbetova, Mars Akishev, Gulsim Kulsharova, Askhat Molkenov, Talgat Nurgozhin, Tatiana Alekseyeva, Sergey Mikhalovsky
The correlation between shape and concentration of silver nanoparticles (AgNPs), their cytotoxicity and formation of reactive oxygen species (ROS) in the presence of electromagnetic fields (EMFs) has been investigated. In addition, the bio-effects caused by the combination of EMFs and graphene nanoparticles (GrNPs) have been also assessed. The AgNPs of three shapes (triangular, spherical and colloidal) and GrNPs were added in high concentrations to the culture of human fibroblasts and exposed to EMF of three different frequencies: 900, 2400 and 7500 MHz...
November 8, 2018: Electromagnetic Biology and Medicine
Nanees F El-Maleky, Reham H Ebrahim
BACKGROUND: Electromagnetic fields (EMF) created by mobile phones during communication have harmful effects on different organs. OBJECTIVES: To explore the effects of exposure to EMF of mobile phones for different durations on hematological parameters and serum hepcidin in male albino rats. METHODS: Three groups of eight rats: Sham group: rats were exposed to a mobile phone while it was switched off, Experimental group I: rats were exposed to microwave radiation from a mobile phone at 9 am for 30 min...
November 2, 2018: Electromagnetic Biology and Medicine
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October 30, 2018: Electromagnetic Biology and Medicine
Tim Klüter, André Krath, Martin Stukenberg, Hans Gollwitzer, Norbert Harrasser, Karsten Knobloch, Nicola Maffulli, Jörg Hausdorf, Ludger Gerdesmeyer
Rotator cuff (RC) tendinopathy is the most common cause of shoulder pain. The effectiveness of electromagnetic transduction therapy (EMTT), a high energetic pulsed electromagnetic field therapy in this field has not been tested yet in combination with extracorporeal shock wave therapy (ESWT). A total of 86 patients with RC tendinopathy were randomized to undergo three sessions of ESWT in combination with 8 sessions of EMTT or sham-EMTT. Both intervention groups experienced significant and clinical relevant decrease of pain at all follow-up visits, and the functionality of the shoulder evaluated by the Constant Murley score increased significantly as well...
September 5, 2018: Electromagnetic Biology and Medicine
Hava Bektas, Mehmet Selcuk Bektas, Suleyman Dasdag
The purpose of this study is to investigate foetal impact of radiofrequencies (RFs) emitted from mobile phones in postnatal cord blood. The study carried on 149 pregnant women divided into four groups such as nonusers of mobile phone (n: 37; control group), 2-15 min/d (n: 39; group 1), 15-60 min/d (n: 37; group 2) and participants using mobile phone for more than 60 min/d (n: 36; group 3). Cord blood of the infants was taken in all groups for biochemical analyses immediately after birth. The results of the study showed that the biggest foetal impact was observed in the third study group which was pregnant exposed RFRs (RF radiation) more than 1 h/d (1 hour per day)...
August 29, 2018: Electromagnetic Biology and Medicine
Meng Zha, Qingping Tao, Jun Li, Xiaofei Tian, Shuang Feng, Zhongcai Liao, Zhicai Fang, Xin Zhang
Moderate intensity low frequency rotating magnetic field (LF-RMF) has been shown to inhibit melanoma, liver and lung cancer growth in mice. However, its effects on other types of cancers have not been investigated in vivo. Here, we show that 0-0.15T moderate intensity 4.2 Hz LF-RMF can inhibit tumor growth in mice bearing MDA-MB231 and MCF7 human breast cancer cells by over 30%. In contrast, the human gastrointestinal stromal tumor GIST-T1 growth was not inhibited by LF-RMF. In all RMF treatments, there were no apparent adverse effects on mice organs, body weight or water/food consumptions...
August 24, 2018: Electromagnetic Biology and Medicine
Masroor Hassan Bukhari, Salma Batool, Dr Yasir Raza, Omar Bagasra, Abbas Rizvi, Asifa Shah, Tashmeem Razzaki, Tipu Sultan
The question whether intrinsic bioelectromagnetism exists within DNA or not is an important and so far unexplored area of biology. We carried out a study of isolated genetic material, utilizing both prokaryotic and eukaryotic DNA, to measure any possible intrinsic electromagnetic effects or fields emanated within the molecules. Studies were carried out with extremely sensitive ultra-low-noise trans-impedance amplifiers and a high-precision data acquisition system to record any possible faintest electromagnetic signals from the concentrated, as well as diluted DNA, in vitro...
2018: Electromagnetic Biology and Medicine
Emanuele Calabrò, Salvatore Magazù
Samples of human hemoglobin, bovine serum albumin, lysozyme and myoglobin were used as prototype of proteins to investigate their response to exposure to high frequency electromagnetic fields (HF-EMFs), in order to study possible application to the treatment of cancer. To this aim, Fourier-transform infrared spectroscopy was used in the infrared region. The most evident result which appeared after 3 h exposure to HF-EMFs was a significant increase in intensity of the Amide I band and of CH2 bending vibrations, showing that the proteins aligned toward the direction of the field...
2018: Electromagnetic Biology and Medicine
Xianghui Wang, Hongxin Qi, Jie Zhang, Jian Pei, Lifang Sun, Shude Chen
Qualitative analysis of the influence of a certain exposure parameter is commonly performed in bioelectromagnetic studies. However, since the exposure condition requires the control of multiple parameters, the diverse results caused by different combinations of these parameters requires further quantitative study of the multivariable (exposure parameters)-bioeffect relation to identify the rule describing bioelectromagnetic effects. The present work investigated the relation between cell viability and the three main exposure parameters (electric intensity (Es ), pulse duration (τ) and pulse number (N)) of 9...
2018: Electromagnetic Biology and Medicine
Maryam Amiri, Mohsen Basiri, Hossein Eskandary, Zeinab Akbarnejad, Marzie Esmaeeli, Yaser Masoumi-Ardakani, Meysam Ahmadi-Zeidabadi
Glioblastoma multiforme (GBM) is a malignant brain cancer that causes high mortality in patients. GBM responds weakly to the common cancer treatments such as chemotherapy and radiotherapy and even surgery. Carboplatin is an alkylating agent widely used to treat cancer. However, resistance to this drug is a common problem in its use in cancer treatment. Concomitant exposure to extremely low-frequency electromagnetic fields (ELF-EMFs) and carboplatin is one unexplored possibility for overcoming this resistance...
2018: Electromagnetic Biology and Medicine
Natalia V Bobkova, Vadim V Novikov, Natalia I Medvinskaya, Irina Y Aleksandrova, Inna V Nesterova, Eugenii E Fesenko
Subchronic effect of a weak combined magnetic field (MF), produced by superimposing a constant component, 42 µT and an alternating MF of 0.08 µT, which was the sum of two frequencies of 4.38 and 4.88 Hz, was studied in olfactory bulbectomized (OBE) and transgenic Tg (APPswe, PSEN1) mice, which were used as animal models of sporadic and heritable Alzheimer's disease (AD) accordingly. Spatial memory was tested in a Morris water maze on the following day after completion of training trials with the hidden platform removed...
2018: Electromagnetic Biology and Medicine
Hiroki Yamamoto, Keiichiro Ueshima, Masazumi Saito, Kazuya Ikoma, Masashi Ishida, Tsuyoshi Goto, Shigeki Hayashi, Akira Ikegami, Mikihiro Fujioka, Osam Mazda, Toshikazu Kubo
This study aimed to evaluate femoral perfusion using dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) for two weeks after the simultaneous initiation of electrical stimulation (ES) and steroid treatment in a steroid-induced osteonecrosis (ON) model. A single dose of methylprednisolone was injected into 14 rabbits. Seven rabbits underwent ES (ES group), and seven rabbits did not (control group). DCE-MRI was performed before steroid administration and 1, 5, 10, and 14 days after steroid administration...
2018: Electromagnetic Biology and Medicine
Mary Redmayne
Thunderstorm asthma and increased childhood leukemia risk near high-voltage power lines (HVPL) are occurrences whose mechanism of effect is not fully understood. This paper proposes and discusses a key similarity: both thunderstorms and HVPL generate a high enough electrical field in the environment to ionize nearby air and air-borne particles. I argue that the repeatedly demonstrated acute asthma response to pollen-laden air during thunderstorms is largely due to ionization of air-borne allergens, which adhere more readily and in greater quantity in the lungs than non-ionized particles...
2018: Electromagnetic Biology and Medicine
Mehmet Akdag, Suleyman Dasdag, Fazile Canturk, Mehmet Zulkuf Akdag
The aim of this study was to investigate effect of radiofrequency radiation (RFR) emitted from mobile phones on DNA damage in follicle cells of hair in the ear canal. The study was carried out on 56 men (age range: 30-60 years old)in four treatment groups with n = 14 in each group. The groups were defined as follows: people who did not use a mobile phone (Control), people use mobile phones for 0-30 min/day (second group), people use mobile phones for 30-60 min/day (third group) and people use mobile phones for more than 60 min/day (fourth group)...
2018: Electromagnetic Biology and Medicine
Xiaofei Tian, Dongmei Wang, Meng Zha, Xingxing Yang, Xinmiao Ji, Lei Zhang, Xin Zhang
Magnetic resonance imaging (MRI) machines have horizontal or upright static magnetic field (SMF) of 0.1-3 T (Tesla) at sites of patients and operators, but the biological effects of these SMFs still remain elusive. We examined 12 different cell lines, including 5 human solid tumor cell lines, 2 human leukemia cell lines and 4 human non-cancer cell lines, as well as the Chinese hamster ovary cell line. Permanent magnets were used to provide 0.2-1 T SMFs with different magnetic field directions. We found that an upward magnetic field of 0...
2018: Electromagnetic Biology and Medicine
Jian Zhang, Xiaofeng Meng, Chong Ding, Peng Shang
All the living organisms originate, evolve and live under geomagnetic field (GMF, 20-70 µT). With rapid development in science and technology, exposure to various static magnetic fields (SMFs) from natural and man-made sources remains a public environmental topic in consideration of its probable health risk for humans. Many animal studies related to health effect have demonstrated that SMF could improve bone formation and enhance bone healing. Moreover, most of the studies focused on local SMF generated by rod-type magnet...
2018: Electromagnetic Biology and Medicine
Anna Koziorowska, Maria Romerowicz-Misielak, Przemysław Sołek, Marek Koziorowski
The exposure to extremely low frequency electromagnetic field (ELF-EMF) may result in various changes at the cellular level. To identify the effect of ELF-EMF exposure on viability of cells, cancer cells (U87-MG; 143B) and noncancerous cells (BJ; HEK) in exponential growth phase were exposed or sham-exposed to different values of frequency (2, 20, 30, 50 and 60 Hz), different shapes (sinusoidal, square and triangular) and time of exposure (0.5, 1, 2, 3 h) to electromagnetic field. After exposure, viability of cells was detected by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT)...
2018: Electromagnetic Biology and Medicine
Nina Rubtsova, Yuriy Paltsev, Sergey Perov, Elena Bogacheva
Major approaches of the Russian Federation in setting of exposure guidelines to electromagnetic fields (EMF) in occupational and public environments are discussed in this paper. EMF exposure guidelines in Russia are based on the results of hygienic, clinical, physiological, epidemiological and experimental studies and are frequency-dependent. The concept of a threshold principle of occupational and environmental factors due to hazardous exposure effects has been used to set permissible exposure levels of different EMF frequency ranges...
2018: Electromagnetic Biology and Medicine
Alexander Pazur
Weak magnetic and electromagnetic fields affect physiological processes in animals, plants, and microorganisms. Ion cyclotron resonance (ICR) is discussed as one of the sensitive mechanisms, which enable perception of the geomagnetic field and its orientation. Numerous biological effects are observed involving several small ions, showing windows of predicted frequencies and intensities. The pioneering work of Guiliano Preparata and Emilio Del Giudice using quantum electrodynamics showed that spontaneously originating coherent regions in water facilitate ICR effects at incoherent water phase boundaries...
2018: Electromagnetic Biology and Medicine
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