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Electromagnetic Biology and Medicine

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https://read.qxmd.com/read/30669883/effect-of-900-1800-and-2100-mhz-radiofrequency-radiation-on-dna-and-oxidative-stress-in-brain
#1
Mehmet Esref Alkis, Hakki Murat Bilgin, Veysi Akpolat, Suleyman Dasdag, Korkut Yegin, Mehmet Cihan Yavas, Mehmet Zulkuf Akdag
Ubiquitous and ever increasing use of mobile phones led to the growing concern about the effects of radiofrequency radiation (RFR) emitted by cell phones on biological systems. The aim of this study is to explore whether long-term RFR exposure at different frequencies affects DNA damage and oxidant-antioxidant parameters in the blood and brain tissue of rats. 28 male Sprague Dawley rats were randomly divided into four equal groups (n = 7). They were identified as Group 1: sham-control, Group 2: 900 MHz, Group 3: 1800 MHz, and Group 4: 2100 MHz...
January 22, 2019: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30663425/acute-effects-of-capacitive-and-resistive-electric-transfer-cret-on-the-achilles-tendon
#2
Tsubasa Bito, Yuto Tashiro, Yusuke Suzuki, Yuu Kajiwara, Hala Zeidan, Mirei Kawagoe, Takuya Sonoda, Yasuaki Nakayama, Yuki Yokota, Kanako Shimoura, Masataka Tatsumi, Kengo Nakai, Yuichi Nishida, Soyoka Yoshimi, Tadao Tsuboyama, Tomoki Aoyama
This study aimed to investigate the acute effects of capacitive and resistive electric transfer (CRet) on Achilles tendon elongation during muscle contraction, as well as the circulation in the peritendinous region. Sixteen healthy men participated in this study. All 16 participants underwent 2 interventions: (1) CRet trial and (2) CRet without power (sham trial). Tendon elongation was measured four times. Using near-infrared spectroscopy, the blood circulation (volume of total-hemoglobin (Hb), oxygenated hemoglobin (oxy-Hb), and deoxygenated hemoglobin (deoxy-Hb)) was measured for 5 min before the intervention and for 30 min after the intervention...
January 19, 2019: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30661411/a-comprehensive-overview-on-utilizing-electromagnetic-fields-in-bone-regenerative-medicine
#3
Esmaeel Azadian, Bahar Arjmand, Zohreh Khodaii, Abdolreza Ardeshirylajimi
Stem cells are one of the most important sources to develope  a new strategy for repairing bone lesions through tissue engineering. Osteogenic differentiation of stem cells can be affected by various factors such as biological, chemical, physiological, and physical ones. The application of ELF-EMFs has been the subject of many research in bone tissue engineering and evidence suggests that this exogenous physical stimulus can promote osteogenic differentiation in several types of  cells. The purpose of this paper is to review the current knowledge on the effects of EMFs on stem cells in bone tissue engineering studies...
January 19, 2019: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30633572/statement-of-retraction-health-effects-of-living-near-mobile-phone-base-transceiver-station-bts-antennae-a-report-from-isfahan-iran
#4
(no author information available yet)
No abstract text is available yet for this article.
January 11, 2019: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30570360/rate-limiting-factors-for-dna-transduction-induced-by-weak-electromagnetic-field
#5
B Qing Tang, Tongju Li, Xuemei Bai, Minyi Zhao, Bing Wang, Glen Rein, Yongdong Yang, Peng Gao, Xiaohuan Zhang, Yanpeng Zhao, Qian Feng, Zhongzhen Cai, Yu Chen
DNA transduction across aqueous solutions has been reported previously. In this study, we examined a few key factors affecting DNA transduction rate in an extremely low frequency electromagnetic field. These include: the chemical composition of the aqueous solutions, the type of experimental vessel, the dilution step, and the origin of the DNA fragments. The results indicate that partially introducing essential ingredients for DNA amplification (i.e. dNTPs and PCR buffer) to the aqueous solution enhanced the transduction rate greatly, and transduction vessels made of hydrophilic quartz yielded more favorable results than vessels made of hydrophobic plastic...
December 20, 2018: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30547710/the-effect-of-chronic-exposure-to-extremely-low-frequency-electromagnetic-fields-on-sleep-quality-stress-depression-and-anxiety
#6
Majid Bagheri Hosseinabadi, Narges Khanjani, Mohammad Hossein Ebrahimi, Bahman Haji, Mazaher Abdolahfard
Exposure to extremely low-frequency electromagnetic fields (ELF-EMF) is inevitable in some industries. There are concerns about the possible effects of this exposure. The present study aimed to investigate the effect of chronic exposure to extremely low-frequency electromagnetic fields on sleep quality, stress, depression and anxiety among power plant workers. In this cross-sectional study, 132 power plant workers were included as the exposed group and 143 other workers were included as the unexposed group...
December 14, 2018: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30518268/a-review-on-the-effects-of-extremely-low-frequency-electromagnetic-field-elf-emf-on-cytokines-of-innate-and-adaptive-immunity
#7
Hanie Mahaki, Hamid Tanzadehpanah, Naghi Jabarivasal, Khosro Sardanian, Alireza Zamani
Extremely low frequency electromagnetic field (ELF-EMF) is produced extensively in modern technologies. Numerous in vitro and in vivo studies have shown that ELF-EMF has both stimulatory and inhibitory effects on the immune system response. This review was conducted on effects of ELF-EMF on cytokines of innate and adaptive immunity. Mechanisms of ELF-EMF, which may modulate immune cell responses, were also studied. Physical and biological parameters of ELF-EMF can interact with each other to create beneficial or harmful effect on the immune cell responses by interfering with the inflammatory or anti-inflammatory cytokines...
December 6, 2018: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30482060/radiofrequency-radiation-at-2-856-ghz-does-not-affect-key-cellular-endpoints-in-neuron-like-pc12-cells
#8
Hongmei Zhou, Guofu Dong, Wen Zheng, Shuiming Wang, Lifeng Wang, Weijia Zhi, Changzhen Wang
To investigate the potential cytotoxicity of radiofrequency (RF) radiation on central nervous system, rat pheochromocytoma (PC12) cells were exposed to 2.856 GHz RF radiation at a specific absorption rate (SAR) of 4 W/kg for 8 h a day for 2 days in 35 mm Petri dishes. During exposure, the real-time variation of the culture medium temperature was monitored in the first hour. Reactive oxygen species (ROS) production, intracellular Ca2+ concentration, and cell apoptosis rate were assessed immediately after exposure by flow cytometry...
November 27, 2018: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30472894/effects-of-low-level-combined-static-and-weak-low-frequency-alternating-magnetic-fields-on-cytokine-production-and-tumor-development-in-mice
#9
Elena G Novoselova, Vadim V Novikov, Sergey M Lunin, Olga V Glushkova, Tatyana V Novoselova, Svetlana B Parfenyuk, Sergey V Novoselov, Maxim O Khrenov, Evgeny E Fesenko
We investigated the effects of weak combined magnetic fields (MFs) produced by superimposing a constant MF (in the range 30 - 150 µT) and an alternating MF (100 or 200 nT) on cytokine production in healthy Balb/C male mice exposed 2 h daily for 14 days. The alternating magnetic field was a sum of several frequencies (ranging from 2.5 - 17.5 Hz). The frequencies of the alternating magnetic field were calculated formally based on the cyclotron resonance of ions of free amino acids (glutamic and aspartic acids, arginine, lysine, histidine, and tyrosine)...
November 26, 2018: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30426795/power-frequency-magnetic-fields-at-50-hz-do-not-affect-fertility-and-development-in-rats-and-mice
#10
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
https://read.qxmd.com/read/30409044/impact-of-electromagnetic-fields-on-in-vitro-toxicity-of-silver-and-graphene-nanoparticles
#11
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
https://read.qxmd.com/read/30388901/effects-of-exposure-to-electromagnetic-field-from-mobile-phone-on-serum-hepcidin-and-iron-status-in-male-albino-rats
#12
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
https://read.qxmd.com/read/30376381/title-list-of-reviewers-for-volume-37
#13
(no author information available yet)
No abstract text is available yet for this article.
October 30, 2018: Electromagnetic Biology and Medicine
https://read.qxmd.com/read/30183430/electromagnetic-transduction-therapy-and-shockwave-therapy-in-86-patients-with-rotator-cuff-tendinopathy-a-prospective-randomized-controlled-trial
#14
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
https://read.qxmd.com/read/30156944/effects-of-mobile-phone-exposure-on-biochemical-parameters-of-cord-blood-a-preliminary-study
#15
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
https://read.qxmd.com/read/30142006/moderate-intensity-low-frequency-rotating-magnetic-field-inhibits-breast-cancer-growth-in-mice
#16
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
https://read.qxmd.com/read/30024785/dna-electromagnetic-properties-and-interactions-an-investigation-on-intrinsic-bioelectromagnetism-within-dna
#17
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
https://read.qxmd.com/read/30019948/resonant-interaction-between-electromagnetic-fields-and-proteins-a-possible-starting-point-for-the-treatment-of-cancer
#18
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
https://read.qxmd.com/read/29902088/multivariable-quantitative-relation-between-cell-viability-and-the-exposure-parameters-of-9-33-ghz-rf-emp-irradiation
#19
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
https://read.qxmd.com/read/29846098/cytotoxicity-of-carboplatin-on-human-glioblastoma-cells-is-reduced-by-the-concomitant-exposure-to-an-extremely-low-frequency-electromagnetic-field-50-hz-70-g
#20
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
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