نتایج جستجو برای: non ionizing

تعداد نتایج: 1329049  

2017

Use of non-ionizing radiation (NIR) for diagnostic purposes allows non-invasive assessment of the structure and function of the human body and is widely employed in medical care. ICNIRP has published previous statements about the protection of patients during medical magnetic resonance imaging (MRI), but diagnostic methods using other forms of NIR have not been considered. This statement review...

2012
Rodolfo Esteban Avila Maria Elena Samar Gustavo Juri Juan Carlos Ferrero

Physics is the science that studies the interaction between matter and energy. This discipline studies the general properties of bodies, the forces that modify the transfer of energy and the interaction between particles. Physics now has many branches, and one of them is the Biomedical Physics. Biomedical Physics in Medicine applies the principles and methods of physics. This will generate new ...

Journal: :PLoS ONE 2007
Ekaterina Dadachova Ruth A. Bryan Xianchun Huang Tiffany Moadel Andrew D. Schweitzer Philip Aisen Joshua D. Nosanchuk Arturo Casadevall

BACKGROUND Melanin pigments are ubiquitous in nature. Melanized microorganisms are often the dominating species in certain extreme environments, such as soils contaminated with radionuclides, suggesting that the presence of melanin is beneficial in their life cycle. We hypothesized that ionizing radiation could change the electronic properties of melanin and might enhance the growth of melanize...

Journal: :Progress in biophysics and molecular biology 2006
Gunde Ziegelberger Michael Repacholi Alastair McKinlay

The rapid development of technologies using static magnetic fields particularly in medicine has resulted in an increase in human exposure to very high static magnetic fields. ICNIRP is the internationally recognised body that sets guidelines for protection against adverse health effects of non-ionizing radiation including static magnetic fields. It has recently published guidelines on limiting ...

Journal: :Radiation research 2007
Christie Vermeulen Barbara Bertocci Adrian C Begg Conchita Vens

Ionizing radiation induces a diverse spectrum of DNA lesions, including strand breaks and oxidized bases. In mammalian cells, ionizing radiation-induced lesions are targets of non-homologous end joining, homologous recombination, and base excision repair. In vitro assays show a potential involvement of DNA polymerase lambda in non-homologous end joining and base excision repair. In this study, ...

Journal: :Journal of Stem Cell Research & Therapeutics 2023

Present review article describes use of radiation and radionuclides on cancer cell therapeutics. It also sketches out cumulative effects exposure received by the patients during diagnostics. Though, in therapeutics a selected permissible dose is provided several cycles to ablate neoplastic cells improve condition patient, but harms surrounding imparts negative biology cells. Ionizing (IR) promo...

Anwar Parvaiz Arif Tasleem Hassan Iffat Mubashir Syed

Squamous cell carcinoma (SCC) of the skin is one of the mostcommon non melanoma skin cancers (NMSC), along withbasal cell carcinoma (BCC). Besides ultraviolet radiation,exposure to industrial agents, ionizing radiation, and areas ofchronic inflammation are associated with the development ofSCC. Squamous cell carcinoma may also be associated withforeign bodies. We report a rare case of cutaneous...

Dariush Moslemi , Hadi Parsian, Mohammad Halimi, Mohsen Asghari, Reyhaneh Sariri,

MicroRNAs (miRNAs) represent a class of small non-coding RNA molecules that regulate gene expression at the post-transcriptional level. They play a crucial role in diverse cellular pathways. Ionizing radiation (IR) is one of the most important treatment protocols for patients that suffer from cancer and affects directly or indirectly cellular integration. Recently it has been discovered that mi...

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