مرور Volume 15, Special Issue-12th. Iranian Congress of Medical Physics بر اساس عنوان
در حال نمایش موارد 1 - 20 از 324
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Absorbed dose to peripheral organs during different methods of dental radiology using radiation estimation models (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Dental radiography as one of the most frequent type of radiological examinations is accepted for medical investigations due to their significant benefits nevertheless using ionizing radiation. ...
 
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Activation of Radioadaptive Response via Injected Serum of Irradiated Rats with Low Doses of Ionizing Radiation (Mashhad University of Medical Sciences, 2018-12-01)Introduction: One of the protective concepts in the interpretation of radiation damage in radiobiology is the radioadaptive response. The objective of this present report is to evaluate the induction of ...
 
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Advanced quantitative MRI radiomics features for recurrence prediction in glioblastoma multiform patients (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Advanced quantitative information such as radiomics features derived from magnetic resonance (MR) image may be useful for outcome prediction, prognostic models or response biomarkers in ...
 
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Advantages and disadvantages of removed flattening filter Linac: A Monte Carlo study on full quantitative dosimetric data of 18 MV-Varian Linac (Mashhad University of Medical Sciences, 2018-12-01)Introduction: During intensity modulated radiation therapy (IMRT) technique, theoretically, presence of flattening filter (FF) across the beamline of clinical linear accelerator (linac) is not essential ...
 
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Alterations in Hippocampal Functional Connectivity in patients with Mesial Temporal Sclerosis (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Medial temporal sclerosis (MTS) is a form of mesial temporal lobe epilepsy (mTLE). It is typically characterized by structural alterations in hippocampus (HC) and related mesial temporal ...
 
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Analysis of the theory of thermal damage in biological tissues caused by Laser beam (Mashhad University of Medical Sciences, 2018-12-01)Introduction: In laser surgery, the laser beam can evaporate and cut the tissue like a small surgical knife when the tissue temperature is heated to 100 degrees Celsius. a complete understanding of the ...
 
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Application of Artificial Neural Networks in a Two-step Classification for Acute Lymphocytic Leukemia Diagnosis by Blood Lamella Images (Mashhad University of Medical Sciences, 2018-12-01)Introduction: This study aimed to present a system based on intelligent models that can enhance the accuracy of diagnostic systems for acute leukemia. The three parts including preprocessing, feature ...
 
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An Approach in Radiation Therapy Treatment Planning: A Fast, GPU-Based Monte Carlo Method (Mashhad University of Medical Sciences, 2018-12-01)Introduction: An accurate and fast radiation dose calculation is essential for successful radiation radiotherapy. The aim of this study was to implement a new graphic processing unit (GPU) based radiation ...
 
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Artifact reduction techniques in Cone Beam Computed Tomography (CBCT) imaging modality (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Cone beam computed tomography (CBCT) was introduced and became more common based on its low cost, fast image procedure rate and low radiation dose compared to CT. This imaging modality improved ...
 
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An artificial neural network to predict solar UV radiation in Tabriz (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Solar radiation has a major role in design, utilization, development, and planning of solar energy. The most important source of natural ultraviolet radiation is the sun, which has an important ...
 
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AS1411 Aptamer Conjugated Gold Nanoclusters as a Targeted Radiosensitizer for Megavoltage Radiation Therapy of 4T1 Breast Cancer Cells (Mashhad University of Medical Sciences, 2018-12-01)Introduction: In the present study, AS1411 aptamer conjugated gold nanoclusters (GNCs) have been introduced as a targeted radiosensitizer for enhancing megavoltage radiation therapy efficacy. RT has ...
 
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Assessment and Comparison of Homogeneity and Conformity Indexes in Step-and-Shoot, Compensator-Based Intensity Modulated Radiation Therapy (IMRT) and Three-Dimensional Conformal Radiation Therapy (3D CRT) in Prostate Cancer (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Intensity modulated radiation therapy (IMRT) and three-dimensional conformal radiation therapy (3D CRT) are two treatment modalities in prostate cancer, which provide acceptable dose distribution ...
 
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Assessment of a 2D EPID-based Dosimetry Algorithm for Pre-treatment and In-vivo Midplane Dose Verification (Mashhad University of Medical Sciences, 2018-12-01)Introduction: The use of electronic portal imaging devices (EPIDs) is a method for the dosimetric verification of radiotherapy plans both pretreatment and in-vivo. The aim of this study was to test a 2D ...
 
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Assessment of a cluster of gold nanoparticles effect on cell absorbed dose using the Geant4 toolkit (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Radiotherapy plays a vital role in cancer treatment. To establish a new potency in radiosensitize tumor cells, delivery of High-Z materials is offered. To date, several simulation geometries ...
 
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Assessment of adaptive response of gamma radiation in the operating room personnel exposed to anesthetic gases by measuring the expression of Ku 80, Ligase1 and P53 genes (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Staffs of operating room are continuously exposed to anesthetic gases and ionizing ...
 
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Assessment of Awareness, Performance, and Attitudes of Radiographers Toward Radiological Protective Principles in jahrom (Mashhad University of Medical Sciences, 2018-12-01)Introduction: With the rapid advancement of technology in today's world, the use of ionizing radiation and radioactive materials has been expanding significantly. The use of radioactive resources and ...
 
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Assessment of diagnostic value of DWI technique in the evaluation of liver fibrosis (Mashhad University of Medical Sciences, 2018-12-01)Introduction: The liver fibrosis is caused by extracellular accumulation of cluster, glycos amino glycans and proteoglycans, which this extracellular accumulation may limit the penetration and molecular ...
 
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Assessment of Effect Technical Directional Bremsstrahlung Splitting (DBS) on Spectra and Parameters of Simulation with Monte carlo Method BEAMnrc Code (Study Monte Carlo) (Mashhad University of Medical Sciences, 2018-12-01)Introduction: Previous studies have shown that a Monte Carlo method for the transportations photon beam in medical linear accelerator is a good way. Strip of simulation can be used to measure the dose ...
 
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Assessment of environmental high-doses using Raman spectroscopy of gamma irradiated MWCNT-OH Nanopowder utilized in radiation accidents (Mashhad University of Medical Sciences, 2018-12-01)Introduction: The functionalized Multi-Walled Carbon Nanotube with hydroxyl group (MWCNT-OH) due to high aspect ratios (length to diameter), and also excellent mechanical, electrical and thermal characteristics, ...
 
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Assessment of out-of-field dose calculation algorithm by commercial treatment planning systems in IMRT and 3DCRT (Mashhad University of Medical Sciences, 2018-12-01)Abstract Introduction: The accuracy an assessment of out- of- field dose due to secondary cancer risk is clinically important. Actually radiotherapy treatment planning ...
 



