percentage depth dose
Evaluation the Dependence of the Electron Beam Characteristics on the Field Shaping and Plan Parameters in Comparison with Different Dosimetry Systems.
... (trs398s), dose range of 85%, dose range of (85%)/2, dose range of 50%, and practical range depth values were used for all electron energies and were obtained from percentage ...
7
Commissioning of TrueBeamTM Medical Linear Accelerator: Quantitative and Qualitative Dosimetric Analysis and Comparison of Flattening Filter (FF) and Flattening Filter Free (FFF) Beam
... (Percentage depth dose), Depth dose profile, Symmetry, Flatness, Quality index, Relative output factor, Penumbra, Transmission factor, DLG (Dosimetric leaf gap), in addition to degree ...
19
DOSIMETRIC EVALUATION OF HIGH ENERGY PHOTONS AND ELECTRONS USING ImageJ SOFTWARE IN COMPARISON TO DOSIMETRIC FILM SCANNER
... The dose calculation in radiation therapy involving high energy photons and electrons are very important to ensure the accuracy and successfulness of treatment ...absorbed dose in the medium including the ...
11
Accelerator at Oncology Center in Nouakchott
... the percentage depth dose (PDD) and beam/dose profile (BP) for 6 MV and 18 MV photon beams for different field sizes and for different Skin-Source-Distance (SSD), and to compare the measured ...
8
The Dosimetric Characteristics and Potential Limitation in Clinical Application of a Low Energy Photon Intra Operative Radiotherapy System
... The XRS, a micro X-ray generator with weight of only 1.5 kg, is fixed into the six-degree freedom arm frame during clinical use. It can be locked and placed into the operation cavity from different angles within the ...
12
Determination of lethal dose and effect of physical mutagen on germination percentage and seedling parameters in kodomillet variety CO 3
... dose for gamma rays in Kodomillet variety CO 3. The seeds of Kodomillet variety CO 3 was obtained from, Department of Millets, Tamil Nadu Agricultural University (TNAU), Coimbatore. Well filled, healthy and ...
5
An analysis of intraday patterns and liquidity on the Istanbul stock exchange
... We use a variety of exogenous variables in the regression analysis where the dependent variable is the time weighted percentage spread calculated for each 15-min. interval. 8 We use logarithms to mitigate the ...
31
Prevalence and Risk Factors for Aspirin and Clopidogrel Resistance in Cerebrovascular Stenting
... late percentage platelet inhibition to stent thrombosis, re-ste- nosis, or any clinical ...the dose or timing of clopidogrel administration and platelet inhibition, others have recently shown that higher ...
5
Genetic Improvement in West Sumatera Landraces to get The Early Maturing Mutants by Induced Mutations
... and percentage of germination) local rice cultivars West Sumatra to the irradiation dose being ...irradiation dose can be seen in Figure ...the dose of irradiation, can reduce the ability to ...
5
Effects of internal low-dose irradiation from 131I on gene expression in normal tissues in Balb/c mice
... I is a commonly used radionuclide in routine medi- cine both for diagnostics and for therapy. While the overall side effect (both acute and late effects) on nor- mal tissues from high-dose exposures is relatively ...
14
Study of Simultaneous Effect of Sharp- Roughness and Positive Slope on Hydraulic Jump in Stilling Basins
... upstream water head, water surface profile of jump, opening of the downstream gate, and velocity depth profile of the jump in some tests. To achieve the results, 60 tests were performed and (𝐹𝐹 𝑟𝑟 ), ( 𝑦𝑦 2 � 𝑦𝑦 1 ...
8
Laser-plasma generated very high energy electrons (VHEEs) in radiotherapy
... these, dose rate and overall treatment time are pertinent and depend on accelerator ...The dose-rate range in external radiotherapy extends from about ...within dose rate up to 6 Gy/min while ...
9
The Effect of Pulse Sequence Parameters and Contrast Agent Dose on Percentage Signal Recovery in DSC MRI: Implications for Clinical Applications
... lar permeability differences; chemoradiation and steroids can affect tumor physiology as well. However, tumor populations were mixed in our 3 method groups, and the aggregate populations are probably similar. Intergroup ...
6
Evaluation of Biosorptive Capacity of Banana (Musa paradisiaca) Stalk for Lead(II) Removal from Aqueous Solution
... RBS of 1 g was measured into a 125 ml Erlenmeyer flask with 100 ml of 100 mg/l of Pb(II) solution with pH of 7 monitored using a pH meter (model CD70 WPA) and controlled with 0.1 M NaOH and 0.1 M HCl. The flask was ...
16
Topical becocalcidiol for the treatment of psoriasis vulgaris: a randomized, placebo controlled, double blind, multicentre study
... Results In the intent-to-treat population at week 8, high-dose becocalcidiol was statistically superior to vehicle [P = 0Æ002; 95% confidence interval (CI) 6Æ7–32Æ2], with 16 of 61 (26%) subjects achieving a PGA ...
6
RADIATION PROTECTION IN RADIOTHERAPY DEPENDS ON UNCERTAINTIES IN SMALL FIELD DOSIMETRY
... in depth, along the central radiation beam in order to present the depth dose curve, or at a specific depth (50 mm or 100 mm), perpendicular to the central radiation beam in order to present ...
7
Original Article Artesunate induces apoptosis, inhibits cell proliferation, and decreases growth hormone levels in pituitary tumor
... In the present study, we described the antican- cer effects of ART on pituitary tumor cells of AtT-20. ART suppressed the growth of AtT-20 cells while promoted the apoptosis in a dose dependent manner. However, ...
7
Minimal percentage of dose received by 90% of the urethra (%UD90) is the most significant predictor of PSA bounce in patients who underwent low-dose-rate brachytherapy (LDR-brachytherapy) for prostate cancer
... predictive parameters of PSA bounce in patients trea- ted with LDR-brachytherapy alone without neoadju- vant/adjuvant ADT. In this group, %UD90, UD90 and %UD30 showed a significant difference between patients with PSA ...
7
Anti-Diabetic Activity of Centratherum Anthelminticum Kuntze. on Alloxan Induced Diabetic Rats
... The antidiabetic activity of Centratherum anthelminticum Kuntze (Compositae) was investigated in a model of Alloxan-induced diabetic rats. Extracts were administered daily at the doses 200 mg/kg and 500 mg/kg p.o., 14 ...
5
A novel Hemi-Body Irradiation technique using electron beams (HBIe−)
... high dose area of Figure 7 and the dual calibration points on patient’s legs (see methods and results ...high dose areas, while minimizing Bremsstrahlung ...
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