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Search results for: DOSIMETRY
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Dosimetric evaluation of a novel polymer gel dosimeter for proton therapy
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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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Laser microbeam CT scanning of dosimetry gels
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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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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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TU-D-BRB-09: Dosimetric Validation of the Proton-Sensitive BANG® 3 PRO-2 Polymer Gel Dosimeter Irradiated by Single Field Therapeutic Proton Beams
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SU‐GG‐T‐208: 3‐D Dosimetric Comparison of IMRT with 2.5 Mm HD120 MLC Using Optical CT Based Polymer Gel and PRESAGE Dosimeters
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Investigation of OSL signal of resistors from mobile phones for accidental dosimetry
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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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Potential application of pure silica optical flat fibers for radiation therapy dosimetry
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SU‐GG‐T‐290: A Fast Optical CT Scanner for Gel Dosimetry
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Heterogeneity phantoms for visualization of 3D dose distributions by MRI‐based polymer gel dosimetry
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Properties of lithium aluminate for application as an OSL dosimeter
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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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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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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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3D Dosimetry Study of 188Re Liquid Balloon for Intravascular Brachytherapy Using BANG Polymer Gel Dosemeters
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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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Dosimetric features of strontium orthosilicate (Sr2SiO4) doped with Eu2+
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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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Determining the noise impact on hearing using psychoacoustical noise dosimeter
PublicationThis research study presents the designed noise dosimeter based on psychoacoustical properties of the human hearing system and, at the same time. evaluation of time and frequency characteristics of noise. The designed noise dosimeter enables assessing temporary threshold shift (TTS) in critical hands in real time. In this way it is possible monitoring the hearing threshold shift continuously for people who stay in the harmful noise...
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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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Initial evaluation of commercial optical CT‐based 3D gel dosimeter
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Determining optimal gel sensitivity in optical CT scanning of gel dosimeters
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Investigation of energy deposition and its optical imaging in polymer gel dosimeters
PublicationThis following chapter describes methods for verifying the absorbed dose during radiotherapy. Special attention is paid to the method using polymer-gel dosimeters, the dose reading of which is performed by means of Laser Computed Tomography. The chapter also includes considerations on alternative solutions for dosimetric measurements and various types of radiotherapy and their pros and cons. In addition, both the methods of structural...
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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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Magnetic resonance imaging of radiation dose distributions using a polymer-gel dosimeter
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Sensitivity calibration procedures in optical‐CT scanning of BANG®3 polymer gel dosimeters
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High Signal Resolution Pulse Oximetry as a Prognostic Indicator of Radiotherapy Toxicity: A Pilot Study
PublicationIntroduction: Radiotherapy plays a prominent role in the multidisciplinary treatment of cancers. Despite new irradiation techniques, radiation-induced cardiotoxicity remains a leading cause of morbidity and mortality. Therefore, prognostic indicators of radiotherapy toxicity are essential. This study aimed to investigate the influence of applied radiotherapy on the pulse wave recording and thereby on...
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Performance of a commercial optical CT scanner and polymer gel dosimeters for 3‐D dose verification
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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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Intraoperative monitoring of cerebral NIRS oximetry leads to better postoperative cognitive performance: A pilot study
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Direct Response to Proton Beam Linear Energy Transfer (LET) in a Novel Polymer Gel Dosimeter Formulation
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Wykorzystanie dozymetrów pasywnych w analityce zanieczyszczeń wody = Use of passive dosimeters in analysis of water pollution
PublicationDozymetry pasywne stanowią coraz powszechniej wykorzystywane narzędzie do pobierania próbek analitów ze środowiska wodnego. W pracy opisano podstawy teoretyczne działania dozymetrów pasywnych oraz czynniki wpływające na szybkość pobierania próbek analitów z wody. Przedstawiono również charakterystykę oraz omówiono obszar praktycznego zastosowania wybranych typów próbników pasywnych.
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MO‐F‐214‐06: Linear Energy Transfer Response of Polymer Gel Dosimeters in Therapeutic Proton Beams
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SU-GG-T-267: Imaging Properties of the OCTOPUSTM-IQ Scanner in Combination with a New Polymer Gel Dosimeter
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SU-FF-T-284: Linear Energy Transfer (LET) Dependence of BANG® Polymer Gel Dosimeters in Proton Beams
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Three-dimensional visualization and measurement of conformal dose distributions using magnetic resonance imaging of bang polymer gel dosimeters
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A new approach in the calibration of passive samplersA new approach on the calibration of passive dosimeters for studies of indoor air (....--------ROZBIEŻNOŚĆ TYTUŁÓW-------------------------------------
PublicationPrzedstawiono problematykę kalibracji próbników pasywnych wykorzystywanych w Katedrze Chemii Analitycznej Wydz. Chemicznego PG do monitoringu jakości powietrza wewnętrznego. Proponowane podejście pozwala na oszacowanie wartości stałych kalibracyjnych, a tym samym oznaczenia stężeń związków od heksanu do dodekanu. Tak więc permeacyjne dozymetry pasywne mogą być wykorzystane w analogicznym zakresie jak próbniki aktywne.
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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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New OSL detectors based on LiMgPO4 crystals grown by micro pulling down method. Dosimetric properties vs. growth parameters
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Validation of high-resolution 3D patient QA for proton PBS and IMPT using laser CT of improved polymer gel dosimeters
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SU‐FF‐T‐209: New Polymer Gel Dosimeter with High Refractive Index for Artifact‐Free Optical CT Scanning
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Visualizing the Dose Distribution and Linear Energy Transfer by 1D and 2D ESR Imaging: A Potassium Dithionate Dosimeter Irradiated with C6+ and N7+ Ions
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Performance evaluation of an improved optical computed tomography polymer gel dosimeter system for 3D dose verification of static and dynamic phantom deliveries
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SU‐GG‐T‐286: Performance of An Improved Optical Computed Tomography Polymer Gel Dosimeter System for 3‐D Dose Verification of Static and Dynamic Phantom Deliveries
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