نتایج جستجو برای: rbe
تعداد نتایج: 686 فیلتر نتایج به سال:
The authors attempt to establish the relative biological effectiveness (RBE) calculation for designing therapeutic proton beams on the basis of microdosimetry. The tissue-equivalent proportional counter (TEPC) was used to measure microdosimetric lineal energy spectra for proton beams at various depths in a water phantom. An RBE-weighted absorbed dose is defined as an absorbed dose multiplied by...
Our investigation focused on identifying melanogenesis effect of soluble minerals in rice bran ash extract (RBE) which include orthosilicic acid (OSA). Melanocytes were apparently normal in terms of morphology. It was, however, shown that they were stressed a little in the RBE and OSA added media in aspect of LDH activity. Melanin synthesis and intracellular tyrosinase activity were increased b...
OBJECTIVE To examine the characteristics of recurrent binge eating (RBE) in a non-treatment-seeking sample from the general population. RBE individuals are described in terms of socio-economic status, general psychopathology, and comorbidity rates of mental disorders. METHOD Participants were 1877 German females aged 18-24 years from a population-based epidemiological study. RESULTS/DISCUSS...
In this study, we aimed to observe the cytotoxicity, antioxidant and anti-inflammatory activity of Rhododendron brachycarpum extract (RbE) in RAW 264.7 macrophage cell in vitro and the antiinflammatory or soothing effect of RbE formulated cream (Multicalm-RHTM) on experimentally induced acute irritated skin in healthy subjects in vivo. In vitro study revealed that RbE significantly inhibited NO...
There is substantial evidence to justify using relative biological effectiveness (RBE) values of >1 for low-energy electrons and photons. But, in the field of radiation protection, radiation associated with low linear energy transfer has been assigned a radiation weighting factor wR of 1. This value may be suitable for radiation protection but, for risk considerations, it is important to evalua...
We develop an accurate, highly efficient and scalable random batch Ewald (RBE) method to conduct simulations in the isothermal-isobaric ensemble (the NPT ensemble) for charged particles a periodic box. After discretizing Langevin equations of motion derived using suitable Lagrangians, RBE builds mini-batch strategy into Fourier space summation pressure forces so computational cost is reduced fr...
Proton relative biological effectiveness (RBE) is known to depend on the (α/β)x of irradiated tissues, with evidence of ∼60% variation over (α/β)x values from 1-10 Gy. The range of (α/β)x values reported for prostate tumors (1.2-5.0 Gy), brain tumors (10-15 Gy) and liver tumors (13-17 Gy) imply that the proton RBE for these tissues could vary significantly compared to the commonly used generic ...
(1) Background: With the new edition of the Diagnostic and Statistical Manual of Mental disorders, 5th Edition (DSM-5), numerous parallels have been drawn between recurrent binge eating (RBE) and substance use disorders, with many authors examining RBE or binge eating disorder (BED) as a "food addiction". The present study aims to clarify the relationship between recurrent binge eating (RBE) an...
The aim of the study was to determine the relative biological effectiveness (RBE) of a 60-MeV proton radiotherapy beam at the Institute of Nuclear Physics, Polish Academy of Sciences (IFJ PAN) in Kraków, the first one to operate in Poland. RBE was assessed at the surviving fractions (SFs) of 0.01, 0.1, and 0.37, for normal human fibroblasts from three cancer patients. The cells were irradiated ...
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