نتایج جستجو برای: 24 radiation
تعداد نتایج: 579216 فیلتر نتایج به سال:
to date, registered users of mobile phone communication network exceeded from total numbers of the world population, while a little knowledge of the biological effects of, 900-1800 mhz microwave radiation, originating from the handsets or the base transceiver stations, have been released. the current study was designed for evaluation of 900-mhz radiation effects on candida albicans proliferatio...
Background: Over the past few years, the rapid use of high frequency electromagnetic fields like mobile phones has raised global concerns about the negative health effects of its use. Adaptive response is the ability of a cell or tissue to better resist stress damage by prior exposure to a lesser amount of stress. This study aimed to assess whether radiofrequency radiation can induce adaptive r...
Background: Hesperidin is a bioflavonoid glycoside mainly found in citrus fruit and has been shown radio-protective potential in various measurement systems. Objective: In this article aims to investigate the radio-protective effect of hesperidin on the liver of Sprague Dawely rats. Material and Methods: In this clinical study, 40 male rats were selected randomly and divided into 8 ...
I discuss a specific model of space-time foam, inspired by the modern nonperturbative approach to string theory (D-branes). The model views our world as a three brane, intersecting with D-particles that represent stringy quantum gravity effects, which can be real or virtual. In this picture, matter is represented generically by (closed or open) strings on the D3 brane propagating in such a back...
In this paper we simulate a deep multi-frequency zenith-field sky survey on RATAN-600 (the RZF survey). In our simulations we use the 1.4-GHz sky images obtained in the NVSS survey. We convolved NVSS images with the two-dimensional power beam pattern of RATAN-600 and obtain simulated 24-hour scans of sky transits at all wavelengths of the RZF survey. For the 7.6-cm wavelength we analyze the eff...
introduction:artifical sourace of radiation have increased worldwide average annual exposure of mankind and could especially affect rapidly dividing cells in gonads. since, radiation sensitivities of different components of primordial follicles, and the time required for their deplation have not been morphologically eatablished we decided to estimate the time required for depletion of primordia...
We reported that microRNA-30c (miR-30c) plays a key role in radiation-induced human cell damage through an apoptotic pathway. Herein we further evaluated radiation-induced miR-30 expression and mechanisms of delta-tocotrienol (DT3), a radiation countermeasure candidate, for regulating miR-30 in a mouse model and human hematopoietic CD34+ cells. CD2F1 mice were exposed to 0 (control) or 7-12.5 G...
Species differ in their susceptibility to radiation through 24 differences in their ability to sustain toxic and genetic effects caused by 25 radiation. We censused breeding birds in Fukushima Prefecture, Japan, 26 during 2011-2014 to test if the abundance and diversity of birds became 27 increasingly negatively affected by radiation over time. The abundance of 28 birds decreased with increasin...
PURPOSE The purpose of this study was to evaluate the short-term safety and feasibility of intraocular, epiretinal delivery of beta radiation for the treatment of subfoveal choroidal neovascularization secondary to age-related macular degeneration for 12 months. A 3-year follow-up period is planned to assess the long-term safety of the procedure. METHODS In this nonrandomized, multicenter fea...
To date, registered users of mobile phone communication network exceeded from total numbers of the world population, while a little knowledge of the biological effects of, 900-1800 MHz microwave radiation, originating from the handsets or the base transceiver stations, have been released. The current study was designed for evaluation of 900-MHz radiation effects on Candida albicans proliferatio...
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