Determination of gamma-emitting radionuclides in the inter-tidal sediments off Balochistan (Pakistan) Coast, Arabian Sea.

abstract：:Classical aerosol physics predicts that it is impossible to observe noticeable values of the unattached fraction of decay products of thoron at typical concentrations of aerosol particles. The experimental data have shown that the unattached fraction of the thoron decay products in a monazite storage facility is in th...

journal_title：Radiation protection dosimetry

authors： Zhukovsky M,Vasyanovich M,Onishchenko A

更新日期：2020-11-27 00:00:00

abstract：:Composite neutron scintillators consisting of neutron-insensitive fluorescent dopant particles (e.g. ZnS:Ag) embedded in a matrix material containing isotopes with high neutron cross sections that emit energetic charged particles (e.g. 6Li) are a popular method for neutron detection in a variety of applications. The s...

journal_title：Radiation protection dosimetry

authors： Stephan AC,Dai S,Wallace SA,Miller LF

更新日期：2005-01-01 00:00:00

abstract：:The Techa river region was highly contaminated due to radioactive releases from a nuclear production facility in the period from 1949 to 1956. The inhabitants of the upper Techa river settlements received significant doses of external radiation. The majority of the houses in the upper Techa river villages were demolis...

journal_title：Radiation protection dosimetry

authors： Bougrov NG,Baturin VA,Goeksu HY,Degteva MO,Jacob P

更新日期：2002-01-01 00:00:00

abstract：:Mammography dose increases with compressed breast thickness (CBT), but few studies have examined other correlates of dose. The purpose of this study was to evaluate the relation between factors such as race, age, body mass index (BMI), CBT, and menopausal status and mammography screening dose, measured for 509 women i...

journal_title：Radiation protection dosimetry

authors： Schubauer-Berigan MK,Frey GD,Baron L,Hoel DG

更新日期：2002-01-01 00:00:00

abstract：:In Austria a comprehensive study on radiation exposure in waterworks was conducted. The aim of this study was to evaluate the risks for the affected employees. On the basis of geographical, geological and hydrological aspects, 21 waterworks were selected. A total of 85 passive short-term measurements and measurements ...

journal_title：Radiation protection dosimetry

authors： Michael S,Andreas B,Claudia S,Fabian R,Ringer W,Josef MF

更新日期：2014-07-01 00:00:00

abstract：:South coast of India is known as the high-level background radiation area (HBRA) mainly due to beach sands that contain natural radionuclides as components of the mineral monazite. The rich deposit of monazite is unevenly distributed along the coastal belt of Tamil Nadu and Kerala. An HBRA site that laid in 2×7 m alon...

journal_title：Radiation protection dosimetry

authors： Matsuda N,Brahmanandhan GM,Yoshida M,Takamura N,Suyama A,Koguchi Y,Juto N,Raj YL,Winsley G,Selvasekarapandian S

更新日期：2011-07-01 00:00:00

abstract：:In this study, microdosimetric energy distributions of secondary charged particles from the (10)B(n,α)(7)Li reaction in boron-neutron capture therapy (BNCT) field were calculated using the Particle and Heavy Ion Transport code System (PHITS). The PHITS simulation was performed to reproduce the geometrical set-up of an...

journal_title：Radiation protection dosimetry

authors： Baba H,Onizuka Y,Nakao M,Fukahori M,Sato T,Sakurai Y,Tanaka H,Endo S

更新日期：2011-02-01 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：:The present work aims to assess the effective doses from long-term continual radon monitoring in six European caves (Slovenia, Slovakia and the Czech Republic), including influencing environmental factors. Caves are important radiation protection subjects because of elevated radon activity concentration (~kBq/m3), mos...

journal_title：Radiation protection dosimetry

authors： Ambrosino F,Thinová L,Briestenský M,Sabbarese C

更新日期：2020-11-27 00:00:00

abstract：:The Organic Bound Tritium (OBT) amount in the body may induce changes in the evaluation of the internal exposure to tritium, due to its different retention time relative to HTO. OBT measurements for urine are not performed routinely, mainly because of the lengthy work needed in preparation of the samples, when using t...

journal_title：Radiation protection dosimetry

authors： Gonen R,Marco R,German U,Katorza E,Alfassi ZB,Haquin G,Tshuva A,Pelled O

更新日期：2007-01-01 00:00:00

abstract：:A method using europium-doped BaFBr imaging plates (IPs) has been studied for mapping entrance skin doses during interventional radiology (IR); the mapping is useful for detecting overlap between irradiation fields and determining the most exposed skin areas. IPs, which are two-dimensional radiation sensors made of ph...

journal_title：Radiation protection dosimetry

authors： Ohuchi H,Satoh T,Eguchi Y,Mori K

更新日期：2005-01-01 00:00:00

abstract：:Daily rhythmic changes are found in cellular events in cell cycle, DNA repair, apoptosis and angiogenesis in both normal and tumour tissue, as well as in enzymatic activity and drug metabolism. In this paper, we hypothesize that circadian rhythms need to be considered in radiation protection and optimization in person...

journal_title：Radiation protection dosimetry

authors： Forssell-Aronsson E,Quinlan RA

更新日期：2017-04-01 00:00:00

abstract：:Adequate dose management during computed tomography is important. In the present study, the dosimetric application software ImPACT was added to a functional calculator of the size-specific dose estimate and was part of the scan settings for the auto exposure control (AEC) technique. This study aimed to assess the prac...

journal_title：Radiation protection dosimetry

authors： Kobayashi M,Asada Y,Matsubara K,Suzuki S,Matsunaga Y,Haba T,Kawaguchi A,Daioku T,Toyama H,Kato R

更新日期：2017-05-01 00:00:00

abstract：:This study assesses the outdoor gamma absorbed dose levels in air of the Adana's region. The measurements were taken from 130 different sample points in this area by Eberline Smart Portable (ESP-2) with SPA-6 plastic scintillation detector. The outdoor gamma absorbed dose rates order from 40 to 145 nGy h(-1). Average ...

journal_title：Radiation protection dosimetry

authors： Degerlier M,Ozger G

更新日期：2008-01-01 00:00:00

abstract：:The use of image quality parameters in digital mammography such as contrast-to-noise ratio (CNR), signal-to-noise ratio (SNR) and detective quantum efficiency (DQE) has been widespread, with the intention of detector evaluation and/or quantitative evaluation of the system performance. These parameters are useful in en...

journal_title：Radiation protection dosimetry

authors： Borg M,Badr I,Royle GJ

更新日期：2012-08-01 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：:In this study, the characterisation of radiation exposure of paediatric patients in computerised tomography (CT) procedures was performed for a Portuguese hospital. Dosimetric data and technical parameters used for CT examinations were retrieved, compiled and analysed over a period of 1 y. Five paediatric age groups w...

journal_title：Radiation protection dosimetry

authors： Neves A,Nunes A,Rufino M,Madeira P,Vaz P,Pascoal A

更新日期：2012-09-01 00:00:00

abstract：:223Ra is a radiopharmaceutical used as unsealed source in nuclear medicine. In the case of staff inhalation contamination of 223Ra, methods to estimate the committed effective dose should be chosen with care. Three methods are available: whole-body measurement and gamma spectrometry for urine or faeces samples. Consid...

journal_title：Radiation protection dosimetry

authors： Saurat D,Aupée O,Gontier E,Métivier D,Cazoulat A,Lecompte Y

更新日期：2018-12-01 00:00:00

abstract：:Comparative studies on the translocation and retention of intramuscularly (i.m.) injected thorium nitrate (234Th 46 ng + 232Th 5 microg per rat) in solutions of citrate, CaDTPA or citrate + CaDTPA in rats have been conducted. Results showed that only thorium in mixed-ligand solution was entirely translocated from the ...

journal_title：Radiation protection dosimetry

authors： Rencová J,Vlková A,Veselá G

更新日期：2003-01-01 00:00:00

abstract：:There is a growing public awareness of the risk of accidental radiation exposure due to ageing nuclear power installations, illegal dumping of nuclear waste and terrorist activities, and of the consequential health risks to populations in addition to social and economic disturbance extending beyond national boundaries...

journal_title：Radiation protection dosimetry

authors： Göksu HY,Bailiff IK

更新日期：2006-01-01 00:00:00

abstract：:Luminescence and optical features of chemical vapour deposition (CVD) diamond have been studied in view of the potential application of this material in ionising radiation dosimetry field. For this purpose, thermally stimulated luminescence (TSL) and optically stimulated luminescence (OSL) techniques have been used. A...

journal_title：Radiation protection dosimetry

authors： Benabdesselam M,Iacconi P,Trinkler L,Berzina B,Butler JE

更新日期：2006-01-01 00:00:00

abstract：:The performance of radiation dosemeters that are issued by approved individual monitoring services generally meet international standards, with typical results within a few tens of per cent of the reference value. Experienced dosimetry practitioners will understand the uncertainties and treat monitoring results with d...

journal_title：Radiation protection dosimetry

authors： Gilvin P,McWhan A

更新日期：2011-03-01 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：:A follow-up study was taken up in a mineralised zone situated in Hamirpur district, Himachal Pradesh, India, to investigate high values of radon concentrations reported in past studies as well to update the old radon data based on bare SSNTD technique. In the present investigation, the concentrations of indoor radon, ...

journal_title：Radiation protection dosimetry

authors： Bajwa BS,Singh P,Singh P,Saini K,Singh S,Sahoo BK,Sapra BK

更新日期：2016-03-01 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：:This study aimed to reveal the effect of X-irradiation on mitochondrial function in terms of mitochondrial membrane potential (ΔΨm) and ATP productivity. At the cellular level, ΔΨm was quantified using JC-1, a mitochondrial probe that emits red or green fluorescence at high or low ΔΨm sites, respectively. The fluoresc...

journal_title：Radiation protection dosimetry

authors： Hamada R,Kaminaga K,Suzuki K,Yokoya A

更新日期：2019-05-01 00:00:00

abstract：:Design principles for sub-slab depressurisation systems recently used in the Czech Republic for remediating existing buildings are described. Results of an efficiency analysis performed on the basis of data from >60 single-family houses are presented. It was found out that the efficiency varies between 70 and 98 %, wh...

journal_title：Radiation protection dosimetry

authors： Jiránek M

更新日期：2014-11-01 00:00:00

abstract：:There is a preoccupation with linearity and absorbed dose as the basic quantifiers of radiation hazard. An alternative is the fluence approach, whereby radiation hazard may be evaluated, at least in principle, via an appropriate action cross section. In order to compare these approaches, it may be useful to discuss th...

journal_title：Radiation protection dosimetry

authors： Waligórski MP

更新日期：2002-01-01 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：:The natural radionuclide contents of some concrete building blocks randomly sampled in the city of Ibadan have been determined using NaI(Tl) gamma ray spectrometry. The radionuclides 226Ra, 232Th and 40K were determined with city mean specific activities 47 +/- 21 Bq.kg-1, 52 +/- 21 Bq.kg-1, and 352 +/- 222 Bq.kg-1, r...

journal_title：Radiation protection dosimetry

authors： Farai IP,Ademola JA

更新日期：2001-01-01 00:00:00