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Search results for: DOSIMETRY
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RADIATION PROTECTION DOSIMETRY
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Medical Dosimetry
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Laser microbeam CT scanning of dosimetry gels
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Comparison of three methods of EPR retrospective dosimetry in watch glass
PublicationIn this article we present results of our follow-up studies of samples of watch glass obtained and examined within a framework of international intercomparison dosimetry project RENEB ILC 2021. We present three methods of dose reconstruction based on EPR measurements of these samples: calibration method (CM), added dose method (ADM) and added dose&heating method (ADHM). The study showed that the three methods of dose reconstruction...
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Evaluation of excessive noise effects on hearing employing psychoacoustic dosimetry
PublicationResearch results regarding the noise impact on hearing applying the concept of the Psychoacoustic Noise Dosimetry (PND) are presented. The general characteristics of the PND algorithm are discussed. Additionally, the results of hearing examinations conducted in the laboratory conditions are shown. The main objective of the research was to determine the time needed for the Temporary Threshold Shift to reverse. The results were used...
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Radiation therapy dosimetry using magnetic resonance imaging of polymer gels
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Image registration of BANG® gel dose maps for quantitative dosimetry verification
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Investigation of OSL signal of resistors from mobile phones for accidental dosimetry
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SU‐GG‐T‐290: A Fast Optical CT Scanner for Gel Dosimetry
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Potential application of pure silica optical flat fibers for radiation therapy dosimetry
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Heterogeneity phantoms for visualization of 3D dose distributions by MRI‐based polymer gel dosimetry
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SU‐GG‐T‐357: Initial Evaluation of a Fast Optical CT Scanner for Gel Dosimetry
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The use of gel dosimetry to measure the 3D dose distribution of a90Sr/90Y intravascular brachytherapy seed
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Position of LiF:Mg,Cu,P TL peak as an alternative method for ultra-high-dose dosimetry
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Numerical model of human head phantom to ensure dosimetry of dose components for boron neutron capture therapy
PublicationExtremely important aspects of the boron neutron capture therapy are, first of all, administering to the patient a boron compound that selectively reaches the neoplastic cells, and in the second step, the verification of the irradiation process. This paper focuses on the latter aspect, which is the detailed dosimetry of the processes occurring after the reaction of thermal neutrons with the boron-10 isotope. The results of computer...
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3D Dosimetry Study of 188Re Liquid Balloon for Intravascular Brachytherapy Using BANG Polymer Gel Dosemeters
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Characteristics of a new polymer gel for high-dose gradient dosimetry using a micro optical CT scanner
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Microbeam radiation therapy: Tissue dose penetration and BANG-gel dosimetry of thick-beams’ array interlacing
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NMR relaxation enhancement in gels polymerized and cross-linked by ionizing radiation: A new approach to 3D dosimetry by MRI
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SU‐GG‐T‐270: Evaluation of a Novel 3‐D Polymer Gel Dosimetry System for Proton Radiotherapy
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Continuous three-dimensional radiation dosimetry in tissue-equivalent phantoms using electron paramagnetic resonance in L -α-alanine
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SU‐E‐T‐103: Three‐Dimensional Measurements of Dose and LET from a Proton Beam via Polymer Gel Dosimetry
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Dosimetry study of Re-188 liquid balloon for intravascular brachytherapy using polymer gel dosimeters and laser-beam optical CT scanner
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TU‐FF‐A2‐04: New High‐Resolution Method to Measure the 3D Dose Distribution Around Brachytherapy Seeds Using BANG3‐Pro Gel Dosimetry
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Characterisation of PRESAGE™: A new 3-D radiochromic solid polymer dosemeter for ionising radiation
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Application of low-cost Gallium Arsenide light-emitting-diodes as kerma dosemeter and fluence monitor for high-energy neutrons
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CALIBRATION OF LOW ENERGY X-RAY EXPERIMENTAL SETUP WITH STRONGLY FILTERED BEAM USING DATA FROM A SEMICONDUCTOR AND A THERMOLUMINESCENT DETECTORS
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IMAGING OF PROTON BRAGG PEAKS IN LiF
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LITHIUM FLUORIDE CRYSTALS AS FLUORESCENT NUCLEAR TRACK DETECTORS
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Application of Passive Samplers in Monitoring of Organic Constituents of Air
PublicationThe principles of passive dosimetry, which has been known for over 100 years, are finding an ever increasing use in analytical practice and are being used as a convenient technique for isolation and enrichment of analytes from various environmental media. Due to its simplicity, a variety of designs, as well as the possibility of using a number of different final determination techniques, passive dosimetry has been applied in...
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Determination of Volatile Organic Compounds in Indoor Air in the Gdansk Area Using Permeation Passive Samplers
PublicationPassive dosimetry — known for over a hundred years — is still a useful tool in monitoring air pollutants. In this work, permeation passive samplers were used to determine indoor air quality in 22 apartments located in the Gdansk area in the northern part of Poland. The results obtained by the passive sampling technique were compared to those obtained by dynamic sampling. Attempts were also made to identify indoor sources of...
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Performance of a new commercial high-definition 3D patient specific quality assurance system for CyberKnife robotic radiotherapy and radiosurgery
PublicationConventional two dimensional and low-definition measurement techniques for dosimetric verification of radiotherapy treatment deliveries are no longer adequate in the era of hypofractionation and extremely high dose gradients. New quality assurance (QA) tools with 3D capability and high definition are urgently needed. The purpose of this study was to evaluate the performance of one of the first such commercial systems as applied...
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Towards Understanding the Health Aspects of the Processing of Lignocellulosic Fillers
PublicationHealth and safety issues should be addressed during the development and investigation of the industrial processes. In order to develop a sustainable process and fully evaluate its benefits and drawbacks for its optimization, it is crucial to determine its impact on the surrounding environment. This study aimed to assess the emission of volatile organic compounds during the modification of lignocellulosic fillers with passive dosimetry....
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Brygida Mielewska dr
PeopleBorn on 1 December 1972 in Gdynia. Education and professional experience:June 1997 MSc in Physics, Gdańsk University, Faculty of Mathematics and Physics; October 1997 – August 2003 – Assistant at Gdańsk University of Technology (GUT), Faculty of Applied Physics nad Technical Mathematics, Department of Physics of Electronic Phenomena;June 2003 – PhD in Physics, thesis advisor prof. dr hab. Mariusz Zubek; September 2003- January...
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Distributed System For Noise Threat Evaluation Based On Psychoacoustic Measurements
PublicationAn innovative system designed for the continuous monitoring of acoustic climate of urban areas was presentedin the paper. The assessment of environmental threats is performed using online data, acquired through a grid ofengineered monitoring stations collecting comprehensive information about the acoustic climate of urban areas.The grid of proposed devices provides valuable data for the purpose of long and short time acoustic climateanalysis....
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Magnetic Field Generated by Short Circuit Current in the 110 kV Power System
PublicationElectric fields within tissues induced by magnetic fields including transients or short-term peaks should not be time averaged and be regarded as instantaneous values as established in the ICNIRP (International Commission on Non - Ionizing Radiation Protection) guidelines. Measurements of power lines magnetic fields with regard to human beings exposure are carried out typically with maximum current load at current balance condition...