نتایج جستجو برای: ionizing radiation hesperidin
تعداد نتایج: 241236 فیلتر نتایج به سال:
background: irradiation is one of the major causes of induced sperm dna damage. various studies suggested a relation between sperm dna damage and fertilization rate after intra-cytoplasmic sperm injection (icsi). objective: in this study, fertilization rate and premature chromosome condensation (pcc) formation after icsi of hamster oocytes with irradiated sperms from normal and oligosperm indiv...
SIGNIFICANCE Ionizing radiation is a vital component in the oncologist's arsenal for the treatment of cancer. Approximately 50% of all cancer patients will receive some form of radiation therapy as part of their treatment regimen. DNA is considered the major cellular target of ionizing radiation and can be damaged directly by radiation or indirectly through reactive oxygen species (ROS) formed ...
Although several signaling pathways have been suggested to be involved in the cellular response to ionizing radiation, the molecular basis of tumor resistance to radiation remains elusive. We have developed a unique model system based upon the MCF-7 human breast cancer cell line that became resistant to radiation treatment (MCF+FIR30) after exposure to chronic ionizing radiation. By proteomics ...
A common side effect of radiotherapy used in the treatment of oral cancer is the occurrence of structural and physiological alterations of the salivary glands due to exposure to ionizing radiation, as demonstrated by conditions such as decreased salivary flow. The present study evaluated ultrastructural alterations in the parotid glands of rats receiving a fractionated dose (1,500-cGy) of radia...
Widespread use of ionizing radiation in medicine, industry, agriculture, education and research, the increasing production of nuclear waste and nuclear incidents, has exposed humans and organisms to this radiation. Despite the benefits of ionizing radiation, these beams can cause serious damage to living systems. Hence, the need for radiation protection actions requires accurate, fast, inexpens...
Ionizing radiation, beta-propiolactone, and acetylethyleneimine were compared for their ability as virus-inactivating agents for the preparation of rabies vaccine. Each agent reduced viral infectivity exponentially; ionizing radiation also destroyed viral hemagglutinin. The vaccine prepared by ionizing radiation was equal or superior to that prepared by beta-propiolactone in its ability to prot...
Erratum After publication of this article [1] it was noticed there were errors in the paper regarding the dose and grade of glucosyl hesperidin due to miscommunications. The composition of glucosyl hesperidin is reported as “500 mg” but this should instead be listed as “470 mg” throughout the article. Additionally, the G-hesperidin should be reported as containing 74% monoglucosyl hesperidin an...
Through various researches and investigations it has been established that high doses of ionizing radiation are harmful to health. There is substantial controversy regarding the effects of low doses of ionizing radiation despite the large amount of work carried out (both laboratory and epidemiological). According to the linear no-threshold (LNT) hypothesis, any amount, however small, of radiati...
Cells exposed to densely ionizing radiation (high-LET) experience more severe biological damage than do cells exposed to sparsely ionizing radiation (low-LET). The prevailing hypothesis is that high-LET radiations induce DNA double strand-breaks (DSB) that are more complex and clustered, and are thereby more challenging to repair. Here, we present experimental data obtained by atomic force micr...
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