DYNAMIC RESPONSE OF CCD ARRAY SPECTRORADIOMETERS.

abstract：:We evaluated the performances of angiographic units equipped with a flat-panel (FP) detector and image intensifier (II) charge-coupled device (CCD) in the Interventional Cardiology (IC) Department. Entrance dose rate and dose per image, along with the dose at the II level were measured using 2 mm copper sheets to simu...

journal_title：Radiation protection dosimetry

authors： Tsapaki V,Kottou S,Kollaros N,Kyriakidis Z,Neofotistou V

更新日期：2005-01-01 00:00:00

abstract：:Dose estimation in interventional neuroradiology can be useful to limit skin radiation injuries. The purpose of this study was to evaluate the role of entrance skin dose (ESD) maps in planning exposure condition optimisation. Thirteen cerebral angiography and five embolisation procedures were monitored, measuring ESD,...

journal_title：Radiation protection dosimetry

authors： Rampado O,Ropolo R

更新日期：2005-01-01 00:00:00

abstract：:In recent years, international organisations involved in radiation protection and public health have produced new guidance, recommendations and requirements aiming better protection from radon exposure. These organisations have often worked in close collaboration in order to facilitate the establishment of harmonised ...

journal_title：Radiation protection dosimetry

authors： Bochicchio F

更新日期：2014-07-01 00:00:00

abstract：:An automatic measuring apparatus called exhalometer for measurement of the radon exhalation rate from soil is introduced. It consists of a pneumatic driven accumulation chamber with an open bottom, a PC-based control system, six Lucas cells for radon measurement and sensors for environmental parameters. It allows movi...

journal_title：Radiation protection dosimetry

authors： Yang J,Buchsteiner M,Salvamoser J,Irlinger J,Guo Q,Tschiersch J

更新日期：2017-11-01 00:00:00

abstract：:The National Institute for Occupational Safety and Health (NIOSH) is currently studying mortality in a cohort of 6409 workers at a former uranium processing facility. As part of this study, over 220 000 urine samples were used to reconstruct organ doses due to internal exposure to uranium. Most of the available comput...

journal_title：Radiation protection dosimetry

authors： Anderson JL,Apostoaei AI,Thomas BA

更新日期：2013-01-01 00:00:00

abstract：:Stringent standards of hygiene must be applied in medical institutions, especially at operating blocks or during interventional radiology procedures. Medical equipment, including personal dosemeters that have to be worn by medical staff during such procedures, needs therefore to be sterilised. In this study, the effec...

journal_title：Radiation protection dosimetry

authors： Kopeć R,Bubak A,Budzanowski M,Sas-Bieniarz A,Szumska A

更新日期：2016-09-01 00:00:00

abstract：:The SCK·CEN has carried out neutron field characterisation campaigns at several nuclear reactors. The main goal of these measurement campaigns was to evaluate the performance of different neutron personal dosemeters. To be able to evaluate the performance of neutron personal dosemeters in terms of Hp(10), knowledge of...

journal_title：Radiation protection dosimetry

authors： Cauwels V,Vanhavere F,Reginatto M

更新日期：2014-10-01 00:00:00

abstract：:The International Atomic Energy Agency (IAEA) through the International Action Plan on Radiation Protection of Patients and the International Commission on Radiological Protection have for some time carried out important efforts to assure that in the medical applications of the ionising radiations, the optimisation of...

journal_title：Radiation protection dosimetry

authors： Blanco S,Mora P,Almonte N,Benavente T,Benson N,Blanco D,Cárdenas J,Defaz Gómez Y,Edding O,Escobar C,Fonseca M,Gamarra M,García Aguilar J,Khoury HJ,Quintero AR,Roas Zuniga N,Zaire E,Nader A

更新日期：2013-09-01 00:00:00

abstract：:To aid in protecting patients from unnecessary exposures and to reduce radiation burdens to the public, a system for tracking a patient's medical exposure history and related radiation doses would be a useful tool. A patient-centred exposure registry, the Patient Exposure Registry (PER), is a mechanism that provides t...

journal_title：Radiation protection dosimetry

authors： Chen J,Moir D,Cornett J

更新日期：2010-12-01 00:00:00

abstract：:The evaluation of exposure to extremely low-frequency (ELF) magnetic fields using broadband measurement techniques gives satisfactory results when the field has essentially a single frequency. Nevertheless, magnetic fields are in most cases distorted by harmonic components. This work analyses the harmonic components o...

journal_title：Radiation protection dosimetry

authors： Paniagua JM,Rufo M,Jiménez A,Pachón FT,Carrero J

更新日期：2015-02-01 00:00:00

abstract：:The potential harmful effect of electromagnetic fields on human health is an important issue that has been widely discussed in the scientific community. The investigation of temperature rise in human body following exposure to electromagnetic fields has been found impractical in many aspects. Therefore, fabrication of...

journal_title：Radiation protection dosimetry

authors： Sorgucu U,Develi I,Ozen S

更新日期：2016-03-01 00:00:00

abstract：:The relationship between the mean glandular dose (MGD) and the compressed breast thickness (CBT) is commonly used for the presentation of mammographic dose survey results and could also be useful for the assessment of individual breast doses retrospectively in case of lack of necessary dosimetric instrumentation. The ...

journal_title：Radiation protection dosimetry

authors： Bor D,Tukel S,Olgar T,Toklu T,Aydin E,Akyol O

更新日期：2008-01-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) is one of the most common sources of electromagnetic (EM) fields as a diagnostic technique widely used in medicine. MRI staff during the working day is constantly exposed to static and spatially heterogeneous magnetic field. Also, moving around the MRI room to perform their functions, ...

journal_title：Radiation protection dosimetry

authors： Hartwig V,Virgili G,Ferrante Vero LF,De Marchi D,Landini L,Giovannetti G

更新日期：2018-12-01 00:00:00

abstract：:The aim of this study is to calculate total cruising route effective doses using three commonly used algorithm codes CARI-6, EPCARD and SIEVERT. Further, the impact of flight cruising duration, altitude and latitude on the estimated effective doses will also be investigated. A total of 24 commercial UAE flight data we...

journal_title：Radiation protection dosimetry

authors： Dalah EZ,Elmahdi HM,Al Humaidan KS,Semerjian L

更新日期：2019-11-30 00:00:00

abstract：:A series of magnesium sulphate phosphors MgSO4:RE3+,X ( RE = Dy, Tm, Eu and X = P, Mn) have been prepared and studied. Based on the experimental results of thermoluminescence (TL) emission spectra and dose responses studies, it is proposed that in these phosphors large defect complexes are formed, which include intrin...

journal_title：Radiation protection dosimetry

authors： Luo DL,Tang Q,Zhang CX

更新日期：2006-01-01 00:00:00

abstract：:On 27 occasions, radiation doses were measured for a family member designated as the 'caregiver' for a patient receiving high-dose radioiodine outpatient therapy for differentiated thyroid carcinoma. For 25 of the administrations, patients received 3.7 GBq of (131)I. Radiation doses for the designated caregivers were ...

journal_title：Radiation protection dosimetry

authors： Marriott CJ,Webber CE,Gulenchyn KY

更新日期：2007-01-01 00:00:00

abstract：:Radioiodine therapy is often the method of choice for treatment of hyperthyroidism because it is considered safe, is relatively inexpensive, and is convenient for the patient and except for occasional hypothyroidism, almost without side effects. Even though radioiodine treatment has been performed for over 50 years, t...

journal_title：Radiation protection dosimetry

authors： Jönsson H,Mattsson S

更新日期：2004-01-01 00:00:00

abstract：:Radon gas concentrations in eight basements, four living rooms and four caves from different locations in Kabul and Panjsher, Afghanistan, were measured by using eight active radon exposure meters recently developed by the Helmholtz Center in Munich, Germany. The two-phase measurements lasted from a week to a year. In...

journal_title：Radiation protection dosimetry

authors： Tanha MR,Vahlbruch JW,Riebe B,Irlinger J,Rühm W,Khalid FR,Storai A,Walther C

更新日期：2018-01-01 00:00:00

abstract：:Namie Town in Fukushima Prefecture, the majority of which was an evacuation area as a result of the effects of the Fukushima Daiichi Nuclear Power Plant accident, carried out a 'temporal stay' in September 2016 so that residents could check their houses. Therefore, in cooperation with the town authorities, the authors...

journal_title：Radiation protection dosimetry

authors： Tsujiguchi T,Shiroma Y,Suzuki T,Tamakuma Y,Yamaguchi M,Iwaoka K,Hosoda M,Tokonami S,Kashiwakura I

更新日期：2019-10-01 00:00:00

abstract：:Data on the daily urinary excretion of thorium (Th) was obtained from 15 non-exposed adult German subjects. A radiochemical neutron activation analysis method was developed and standardised especially for this purpose. The daily urinary excretion of 232Th was found to be in the range 1.9-14.9 microBq d(-1) with a mean...

journal_title：Radiation protection dosimetry

authors： Höllriegl V,Li WB,Oeh U,Röhmuss M,Roth P

更新日期：2005-01-01 00:00:00

abstract：:The diagnostic reference level (DRL) has generally been defined as the 75th percentile of the distributions of mean doses observed on a sample of standard-sized patients, but for mammography, the 95th percentile has been used. In this study, the 75th and 95th percentiles are estimated for 26 full-field digital mammogr...

journal_title：Radiation protection dosimetry

authors： Hauge IH,Bredholt K,Olerud HM

更新日期：2013-12-01 00:00:00

abstract：:The neutron dose equivalent in aircraft is measured using commercial bubble detectors, but at high altitudes there are not only neutrons but also protons. Bubble detectors have been used because they are considered not to be sensitive to protons, but this has been the subject of only a few studies. In this study, by i...

journal_title：Radiation protection dosimetry

authors： Takada M,Kitamura H,Koi T,Nakamura T,Fujitaka K

更新日期：2004-01-01 00:00:00

abstract：:Studies for the determination of radionuclide concentrations in foodstuffs, water and air were carried out in Cuba for the estimation of annual committed effective doses to members of the public as a result of environmental radionuclides via ingestion and inhalation. As a result of these studies, it was possible to de...

journal_title：Radiation protection dosimetry

authors： Tomás Zerquera J,Prendes Alonso M,Fernández Gómez IM,Rodríguez Castro GV,Martínez Ricardo N,López Bejerano G,Ara do López JO,Acosta Rodríguez N,Carrazana González J,Brígido Flores O,Hernández Pérez A,Díaz Rizo O

更新日期：2006-01-01 00:00:00

abstract：:Dose response effects of diodes due to the high atomic number of silicon relative to water are investigated. While quality chances in the primary component of a megavoltage beam with depth are minimal. Compton scattered photons are shown to have a substantial effect on the quality leading to their enhanced absorption ...

journal_title：Radiation protection dosimetry

authors： Yin Z,Hugtenburg RP,Beddoe AH

更新日期：2002-01-01 00:00:00

abstract：:The objective of this work is to obtain fluence to effective dose conversion coefficients for neutron point sources, using the GEANT4 toolkit. These calculations aim to investigate the aspects of neutron transport in the human body through Monte Carlo simulation using the International Commission on Radiological Prote...

journal_title：Radiation protection dosimetry

authors： Ribeiro RM,Souza-Santos D

更新日期：2018-08-01 00:00:00

abstract：:Representative environmental samples (sandy soil, limestone, marble and gravels) collected from Wadi El Assuity, protective area, Assuit governorate in Upper Egypt have been investigated radiometrically using NaI (Tl) gamma-ray spectrometer. The specific activity of the radionuclides in Bq kg⁻¹ for soil ranged between...

journal_title：Radiation protection dosimetry

authors： El-Taher A

更新日期：2011-06-01 00:00:00

abstract：:An attempt towards an experimental set up which could provide the experimental data on correlation processes occurred simultaneously in two distanced DNA targets within a charged particle track is presented. A modified Jet Counter nanodosemeter was used in two experiments with carbon ions with mean energies of 52 and ...

journal_title：Radiation protection dosimetry

authors： Pietrzak M,Pszona S,Bantsar A

更新日期：2018-08-01 00:00:00

abstract：:In response to reactive oxygen species (ROS) or electrophiles, the transcription factor nuclear factor-erythroid 2 (NF-E2)-related factor 2 (Nrf2) rapidly translocates into the nucleus and induces the expression of various antioxidant genes, such as heme oxygenase-1 (HO-1). Low linear energy transfer (LET) ionising ra...

journal_title：Radiation protection dosimetry

authors： Yoshino H,Kiminarita T,Matsushita Y,Kashiwakura I

更新日期：2012-11-01 00:00:00

abstract：:This paper presents the values of radon and thoron progeny concentrations for different seasons in the dwellings of Tehri Garhwal, India. The measurements have been carried out using LR-115 solid-state nuclear track detector-based passive time-integrated direct thoron progeny sensor/direct radon progeny sensor techniq...

journal_title：Radiation protection dosimetry

authors： Prasad M,Rawat M,Dangwal A,Yadav M,Gusain GS,Mishra R,Ramola RC

更新日期：2015-11-01 00:00:00

abstract：:Radon-222 concentrations in groundwater from 10 local government areas (LGAs) of Ogun State were measured using AlphaGUARD radon detector and AquaKIT. The mean activity concentration of radon ranged from 1.23 ± 0.21 to 12.68 ± 18.11 Bq.l-1 corresponding to geometric means (GMs) of 1.22- 6.39 Bq.l-1. The radon concentr...

journal_title：Radiation protection dosimetry

authors： Fatoki OO,Ademola JA

更新日期：2021-02-03 00:00:00