Low-dose spine CT: optimisation and clinical implementation.

abstract：:This work aims to evaluate the potential risks of incidents in nuclear research reactors. For its development, two databases of the International Atomic Energy Agency (IAEA) were used: the Research Reactor Data Base (RRDB) and the Incident Report System for Research Reactor (IRSRR). For this study, the probabilistic s...

journal_title：Radiation protection dosimetry

authors： Lopes VM,Agostinho Angelo Sordi GM,Moralles M,Filho TM

更新日期：2012-06-01 00:00:00

abstract：:A study is presented of the thermoluminescence (TL) of phosphors based on potassium halides doped with divalent lead, such as KCl:Pb2+, KBr:Pb2+ and the crystalline series KCl(1-X)Br(X):Pb2+. The defects in the crystals generated by irradiation have been investigated as well as the trapping and room temperature recomb...

journal_title：Radiation protection dosimetry

authors： Cruz-Zaragoza E,Meléndrez R,Chernov V,Barboza-Flores M,Piters TM,Hernández JA,Murrieta HS

更新日期：2002-01-01 00:00:00

abstract：:In this study, radioactivity levels of 35 different samples of 11 commonly used building materials in Samsun were measured by using a gamma spectrometry system. The analysis carried out with the high purity Germanium gamma spectrometry system. Radioactivity concentrations of (226)Ra, (232)Th and (40)K range from 6 to ...

journal_title：Radiation protection dosimetry

authors： Tufan MÇ,Disci T

更新日期：2013-01-01 00:00:00

abstract：:In this study, the total exposure due to signals within GSM 900, GSM 1800, CDMA-1900 and 3G-2100 frequency bands at 200 m from the foot of 120, 100 and 80 base station masts in the Nigerian cities of Lagos, Ibadan and Abuja, respectively, was assessed. A calibrated hand-held spectrum analyser was used to measure the l...

journal_title：Radiation protection dosimetry

authors： Ayinmode BO,Farai IP

更新日期：2020-12-31 00:00:00

abstract：:The results of large-scale computed tomography (CT) patient dose surveys from the USA, UK and Germany undertaken during the period 1999-2001 were reviewed. The mean values for volume-weighted CT dose index (CTDI(vol)) and dose length product (DLP) were extracted. For head CT examinations, the reported values for the t...

journal_title：Radiation protection dosimetry

authors： Martin CJ,Huda W

更新日期：2013-01-01 00:00:00

abstract：:In a large village, Veprin of the Bryansk region of Russia contaminated with radionuclides as a result of the Chernobyl accident, 137Cs concentration in food products of agricultural produce and natural origin was regularly measured, local inhabitants were polled on the composition of their diet, and the 137Cs content...

journal_title：Radiation protection dosimetry

authors： Travnikova IG,Bruk GJ,Shutov VN,Bazjukin AB,Balonov MI,Rahola T,Tillander M

更新日期：2001-01-01 00:00:00

abstract：:To estimate internal doses due to the inhalation of radionuclides produced by the nuclear spallation of the air nuclei in high-energy proton accelerator facilities, the physicochemical properties of radionuclides are very important. Thus, the ratio of aerosol and gases of 38Cl and 39Cl formed by irradiating argon gas-...

journal_title：Radiation protection dosimetry

authors： Yokoyama S,Sato K,Manabe K,Noguchi H,Kaneko H,Oki Y,Iida T,Tanaka S

更新日期：2007-01-01 00:00:00

abstract：:The amazing feature of ionising radiation (IR) as a DNA damaging agent is the range of lesions it induces. Such lesions include base damage, single strand breaks (SSBs), double strand breaks (DSBs) of varying complexity and DNA cross links. A range of DNA damage response mechanisms operate to help maintain genomic sta...

journal_title：Radiation protection dosimetry

authors： Jeggo P,Löbrich M

更新日期：2006-01-01 00:00:00

abstract：:Positron emission tomography (PET) is a non-invasive medical imaging technique normally used for diagnostic purposes to determine the location and concentration of physiologically active compounds in a human body. An unshielded cyclotron is used for PET at the Clinica Universitaria de Navarra to produce short-lived po...

journal_title：Radiation protection dosimetry

authors： Fernández F,Amgarou K,Domingo C,García MJ,Quincoces G,Martí-Climent JM,Méndez R,Barquero R

更新日期：2007-01-01 00:00:00

abstract：:In recent major international intercomparison exercises on intake and internal dose assessments from monitoring data, the results calculated by different participants varied significantly. Based on this experience the need for harmonisation of the procedures has been formulated within an EU 5th Framework Programme res...

journal_title：Radiation protection dosimetry

authors： Doerfel H,Andrasi A,Bailey M,Blanchardon E,Cruz-Suarez R,Berkovski V,Castellani CM,Hurtgen C,LeGuen B,Malatova I,Marsh J,Stather J,Zeger J

更新日期：2007-01-01 00:00:00

abstract：:The Health Physics Measurements Group at the Los Alamos National Laboratory (LANL) has initiated a study of neutron reference fields at selected US Department of Energy (DOE) calibration facilities. To date, field characterisation has been completed at five facilities. These fields are traceable to the National Instit...

journal_title：Radiation protection dosimetry

authors： Olsher RH,McLean TD,Mallett MW,Seagraves DT,Gadd MS,Markham RL,Murphy RO,Devine RT

更新日期：2007-01-01 00:00:00

abstract：:On the occasion of the 20th anniversary of the Chernobyl accident an attempt has been made to evaluate the impact of the Chernobyl accident on the global burden of human cancer in Europe. This required the estimation of radiation doses in each of the 40 European countries. Dose estimation was based on the analysis and...

journal_title：Radiation protection dosimetry

authors： Drozdovitch V,Bouville A,Chobanova N,Filistovic V,Ilus T,Kovacic M,Malátová I,Moser M,Nedveckaite T,Völkle H,Cardis E

更新日期：2007-01-01 00:00:00

abstract：:To investigate the repair process of DNA damage induced by ionizing radiation in isolation from various types of cytoplasmic damage, we transfected X-irradiated enhanced green fluorescent protein (EGFP)-expressing plasmid DNA into non-irradiated mammalian cells using lipofectamine. The repair kinetics of the irradiate...

journal_title：Radiation protection dosimetry

authors： Nakaue H,Obata Y,Kaminaga K,Akimitsu N,Yokoya A

更新日期：2019-05-01 00:00:00

abstract：:A 'moving-target' method for characterising background in a counting measurement in which the instantaneous background count rate is a function of time, rather than being fixed, is proposed. This model treats the average Poisson mean in observation period P as coming from a gamma distribution with parameters αP and βP...

journal_title：Radiation protection dosimetry

authors： Klumpp J,Miller G,Brandl A

更新日期：2015-04-01 00:00:00

abstract：:Realising that the major part of radiation protection efforts had been directed for over half a century at radiation protection of workers, and that there are major issues in relation to medical exposure, which contributes to over 95 % of the dose to the global population from man-made sources, with increasing individ...

journal_title：Radiation protection dosimetry

authors： Rehani MM,Holmberg O,Ortiz López P,Mettler F

更新日期：2011-09-01 00:00:00

abstract：:Site-specific transfer coefficient from feed to cow's milk, for (137)Cs in the villages around Narora, a nuclear power station site in India, determined over a period of 17 y, is presented in this paper. In the transport model for the prediction of the concentration of (137)Cs in milk, the transfer coefficient from fe...

journal_title：Radiation protection dosimetry

authors： Kumar D,Kumar A,Sharma AK,Singh B,Ravi PM,Sarkar PK

更新日期：2013-09-01 00:00:00

abstract：:The Schauinsland inter-calibration facility (INTERCAL) has been designed to enable long-term comparison experiments for 20 different dose rate probes from different networks. Two reference probes characterised by the European Radiation Dosimetry WG3 inter-calibration experiments in 2008 and 2009 have been installed at...

journal_title：Radiation protection dosimetry

authors： Bleher M,Doll H,Harms W,Stöhlker U

更新日期：2014-08-01 00:00:00

abstract：:For the calibration of personal dosemeters in terms of H(p)(10), the ISO water slab phantom shall be used. The irradiation geometry must be chosen such that the field diameter at the phantom front surface is large enough to irradiate the phantom completely and, in addition, homogeneously. However, in practice it is no...

journal_title：Radiation protection dosimetry

authors： Ankerhold U,Ambrosi P

更新日期：2010-06-01 00:00:00

abstract：:The occupational exposure incurred by the radiation workers due to the external radiation is estimated using personal dosemeter placed on the human body during the monitoring period. In certain situations, it is required to determine whether the dosemeter alone was exposed accidentally/intentionally in radiation field...

journal_title：Radiation protection dosimetry

authors： Srivastava K,Soin S,Sapra BK,Ratna P,Datta D

更新日期：2017-11-01 00:00:00

abstract：:Classical methods of assessing the uncertainty associated with radiation doses estimated using cytogenetic techniques are now extremely well defined. However, several authors have suggested that a Bayesian approach to uncertainty estimation may be more suitable for cytogenetic data, which are inherently stochastic in ...

journal_title：Radiation protection dosimetry

authors： Ainsbury EA,Vinnikov VA,Puig P,Higueras M,Maznyk NA,Lloyd DC,Rothkamm K

更新日期：2014-12-01 00:00:00

abstract：:The variety of radiative models for solar UV radiation is discussed. For the evaluation of measured UV radiation at the ground the basic problem is the availability of actual values of the atmospheric parameters that influence the UV radiation. The largest uncertainties are due to clouds and aerosol, which are highly ...

journal_title：Radiation protection dosimetry

authors： Koepke P

更新日期：2009-12-01 00:00:00

abstract：:This communication describes two new instruments, based on multiple active thermal neutron detectors arranged within a single moderator, that permit to unfold the neutron spectrum (from thermal to hundreds of MeV) and to determine the corresponding integral quantities with only one exposure. This makes them especially...

journal_title：Radiation protection dosimetry

authors： Gómez-Ros JM,Bedogni R,Bortot D,Domingo C,Esposito A,Introini MV,Lorenzoli M,Mazzitelli G,Moraleda M,Pola A,Sacco D

更新日期：2017-04-01 00:00:00

abstract：:This paper summarises the evaluation of the 1997 EURADOS questionnaire on dosimetric systems able to assess personal dose equivalent. In total, 56 approved dosimetric services in the European Union and Switzerland responded, together monitoring approximately 615,000 occupationally exposed persons. Of these services, 4...

journal_title：Radiation protection dosimetry

authors： van Dijk JW,Bordy JM,Vanhavere F,Wernli C,Zamani-Valasiadou M

更新日期：2001-01-01 00:00:00

abstract：:The type testing of measuring devices is one of the most important parts of a quality management system in a personal dosimetry services program. In this study, based upon the International Electrotechnical Commission (IEC) 62387 criteria, a reader-testing program was performed for a home-made personal thermoluminesce...

journal_title：Radiation protection dosimetry

authors： Malek Mohammadi M,Hosseini Pooya SM

更新日期：2017-04-20 00:00:00

abstract：:The radon concentrations in soil-gas and water samples (in the form of springs, catchment, tap, thermal) used as drinking water or thermal were measured using a professional radon monitor AlphaGUARD PQ 2000PRO. The measured radon concentrations in water samples ranged from 0.32 to 88.22 Bq l(-1). Most of radon levels ...

journal_title：Radiation protection dosimetry

authors： Koray A,Akkaya G,Kahraman A,Kaynak G

更新日期：2014-12-01 00:00:00

abstract：:The concentration and distribution of natural radionuclides in marble around Igbeti marble mines, Nigeria, were measured to evaluate the environmental radioactivity and health effects which the marble samples may posses. The concentration of radionuclides was determined using gamma-ray spectrometry with NaI (Tl) detec...

journal_title：Radiation protection dosimetry

authors： Ademola AK,Hammed OS,Adejumobi CA

更新日期：2008-01-01 00:00:00

abstract：:During the 7th European Conference on Protection Against Radon at Home and at Work held in the autumn of 2013 in Prague, the second intercomparison of measuring instruments for radon and its short-lived decay products and the first intercomparison of radon/thoron gas discriminative passive detectors in mix field of ra...

journal_title：Radiation protection dosimetry

authors： Jílek K,Hýža M,Kotík L,Thomas J,Tomášek L

更新日期：2014-07-01 00:00:00

abstract：:Monte Carlo simulations were used to assess secondary neutron doses received by patients treated with proton therapy for ocular melanoma and craniopharyngioma. MCNPX calculations of out-of-field doses were done for ∼20 different organs considering realistic treatment plans and using computational phantoms representati...

journal_title：Radiation protection dosimetry

authors： Farah J,Sayah R,Martinetti F,Donadille L,Lacoste V,Hérault J,Delacroix S,Nauraye C,Vabre I,Lee C,Bolch WE,Clairand I

更新日期：2014-10-01 00:00:00

abstract：:The thermoluminescence (TL) of LiF:Mg,Ti has been studied using a high resolution CCD spectrophotometer, which simultaneously measures the emission intensity and the emission spectrum as a function of sample temperature. Computerised deconvolution was used to resolve the emission spectrum into individual Gaussian band...

journal_title：Radiation protection dosimetry

authors： Biderman S,Horowitz Y,Oster L

更新日期：2002-01-01 00:00:00

abstract：:At least 10% of inhabitants in the Czech Republic are supplied with water from private sources (private wells, boreholes). With the increasing cost of water, the number of people using their own sources of drinking water will be likely to increase. According to the Decree of the State Office for Nuclear Safety about t...

journal_title：Radiation protection dosimetry

authors： Otahal P,Merta J,Burian I

更新日期：2014-07-01 00:00:00