نتایج جستجو برای: biological effects radiation

تعداد نتایج: 2135498  

ژورنال: سنجش و ایمنی پرتو 2017

Rapid development in nuclear industry and medical applications involving radiation sources would increase the potential of exposure to the ionizing radiation. Due to the harmful effects of radiation exposure on the health of radiation workers, rapid dose estimation of the overexposed victims with high accuracy is quite important in taking appropriate medical treatment plan. Biological dosimetry...

2014
Kuei-Fang Lee Yi-Cheng Chen Paul Wei-Che Hsu Ingrid Y Liu Lawrence Shih-Hsin Wu

Various biological effects are associated with radiation exposure. Irradiated cells may elevate the risk for genetic instability, mutation, and cancer under low levels of radiation exposure, in addition to being able to extend the postradiation side effects in normal tissues. Radiation-induced bystander effect (RIBE) is the focus of rigorous research as it may promote the development of cancer ...

Journal: :Current molecular pharmacology 2011
Tom K Hei Hongning Zhou Yunfei Chai Brian Ponnaiya Vladimir N Ivanov

Generations of students in radiation biology have been taught that heritable biological effects require direct damage to DNA. Radiation-induced non-targeted/bystander effects represent a paradigm shift in our understanding of the radiobiological effects of ionizing radiation in that extranuclear and extracellular effects may also contribute to the biological consequences of exposure to low dose...

Journal: :iranian journal of radiation research 0
m. e. parsanezhad department of obstetrics and gynecology, school of medicine, shiraz university of medical sciences, shiraz, iran s. m. j. mortazavi ionizing and non-ionizing radiation protection research center (inirprc), shiraz university of medical sciences, shiraz, iran t. doohandeh department of obstetrics and gynecology, school of medicine, shiraz university of medical sciences, shiraz, iran b. namavar jahromi department of obstetrics and gynecology, school of medicine, shiraz university of medical sciences, shiraz, iran h. mozdarani department of medical genetics, faculty of medical sciences, tarbiat modares university, tehran, iran a. zarei ivf center, shiraz university of medical sciences, shiraz, iran

background: the health effect of rapidly increasing everyday exposure of humans to radiofrequency radiation is a major global concern. mobile phone jammers prevent the mobile phones from receiving signals from base stations by interfering with authorized mobile carriers’ services. in spite of the fact that mobile jammer use is illegal, they are occasionally used in offices, shrines, conference ...

B. Hu, J. Zhu, Y. Chen, Z. Ren,

The radiobiological effects of high atomic number and energy (HZE particles) ion beams are of interest for radioprotection in space and tumor radiotherapy. Space radiation mainly consists of heavy charged particles from protons to iron ions, which is distinct from common terrestrial forms of radiation. HZE particles pose a significant cancer risk to astronauts on prolonged space missions. With ...

Journal: :iranian journal of radiation research 0
j. zhu key laboratory of heavy ion radiation biology and medicine of chinese academy of sciences & gansu key laboratory of space radiobiology, institute of modern physics, chinese academy of sciences, lanzhou, 730000, p. r. of china z. ren key laboratory of heavy ion radiation biology and medicine of chinese academy of sciences & gansu key laboratory of space radiobiology, institute of modern physics, chinese academy of sciences, lanzhou, 730000, p. r. of china y. chen key laboratory of heavy ion radiation biology and medicine of chinese academy of sciences & gansu key laboratory of space radiobiology, institute of modern physics, chinese academy of sciences, lanzhou, 730000, p. r. of china h. ojha department of radiation genetics and epigenetics, institute of nuclear medicine and allied sciences, delhi 110054, india

the radiobiological effects of high atomic number and energy (hze particles) ion beams are of interest for radioprotection in space and tumor radiotherapy. space radiation mainly consists of heavy charged particles from protons to iron ions, which is distinct from common terrestrial forms of radiation. hze particles pose a significant cancer risk to astronauts on prolonged space missions. with ...

Journal: :iranian journal of radiation research 0
s.m.j. mortazavi department of medical physics and medical engineering and the center for research in radiation sciences (crrs), shiraz university of medical sciences, shiraz, iran h. mozdarani department of medical genetics , school of medical sciences, tarbiat modares university, tehran, iran

some areas of ramsar, a city in northern iran are among the world’s wellknown inhabited areas with highest levels of natural radiation. annual exposure levels in these areas are up to 260 mgy y‐1 and the mean exposure rate is about 10 mgy y‐1 for a population of about 2000 residents. if elevated levels of natural radiation as high as a few hundred msv per year is detrimental to health and leads...

2009
Alexander Schulz Jelena Stapf Joseph Haubrich Thomas Laubach Franziska Peter Stefan Reitz

For a central bank to fulfil its price stability mandate, the accurate assessment of inflation expectations is of crucial importance. Market participants gauging long-term investments have similar concerns about inflation. Traditionally, inflation expectations have been derived from models or through surveys of market participants’ opinions. In the mid to late 1990s financial markets started to...

Journal: :iranian journal of cancer prevention 0
samaneh baradaran a. dept. of medical radiation engineering, amirkabir university of technology, tehran, iran b. radiation application school, nuclear sciences and technology research institute, tehran, iran niaz maleknasr faculty of engineering, science and research branch, islamic azad university, tehran, iran saeed setayeshi dept. of medical radiation engineering, amirkabir university of technology, tehran, iran mohammad esmail akbari cancer research center, shahid beheshti university of medical sciences, tehran, iran

background: alpha particle irradiation from radon progeny is one of the major natural sources of effective dose in the public population. oncogenic transformation is a biological effectiveness of radon progeny alpha particle hits. the biological effects which has caused by exposure to radon, were the main result of a complex series of physical, chemical, biological and physiological interaction...

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