Abstract：
:Time-dependent yields of the most important products of water radiolysis E(aq)(-), (*)OH, H(*), H(3)O(+), H(2), OH(-) and H(2)O(2) have been calculated for (60)Co-photons, electrons, protons, helium- and carbon-ions incident onto water. G values have been evaluated for the interval from 1 ps to 1 mus after initial energy deposition as a function of time, as well as after 1 ns and at the end of the chemical stage as a function of linear energy transfer (LET), covering an interval from approximately 0.2 up to 750 keV/microm by means of different particle types. In this work, the modules of the biophysical Monte Carlo track structure code PARTRAC dealing with the simulation of prechemical and chemical stages have been improved to extend interaction data sets for heavier ions. Among other newly selected parameter values, the thermalisation distance between the point of generation and hydration of subexcitation electrons has been adopted from recent data in the literature. As far as data from the literature are available, good agreement has been found with the calculated time- and LET-dependent yields in this work, supporting the selection of the revised parameter values.
journal_name
Radiat Environ Biophysjournal_title
Radiation and environmental biophysicsauthors
Kreipl MS,Friedland W,Paretzke HGdoi
10.1007/s00411-008-0194-8subject
Has Abstractpub_date
2009-02-01 00:00:00pages
11-20issue
1eissn
0301-634Xissn
1432-2099journal_volume
48pub_type
杂志文章abstract：:A temporary increase in the incidence of infant leukaemia in Greece was reported by Petridou et al., which was attributed to in utero exposure to ionising radiation resulting from the Chernobyl accident. We performed a similar analysis based on the data of the German Childhood Cancer Registry in order to check whether...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s004110050099
更新日期：1998-07-01 00:00:00
abstract：:Radiocaesium absorption and retention in reindeer (Rangifer tarandus) calves was compared in groups fed diets containing different proportions of lichen and concentrates, and different chemical forms of radiocaesium ((134)CsCl in solution or fallout from the Chernobyl accident). Daily intakes of fallout radiocaesium w...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-004-0257-4
更新日期：2004-12-01 00:00:00
abstract：:Those working in interventional cardiology are exposed to varying radiation doses during diagnostic and interventional procedures. The work presented in this paper aimed to monitor the effective doses received by different categories of medical staff members practicing interventional cardiology procedures including se...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-020-00862-x
更新日期：2020-11-01 00:00:00
abstract：:This article describes the application of a simplified Bayesian method for estimation of doses from a mixed field using cytogenetic biological dosimetry, taking as an example neutron and gamma radiation emitted from the MARIA nuclear research reactor in Poland. The Bayesian approach is a good alternative to the common...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-018-0764-3
更新日期：2019-03-01 00:00:00
abstract：:Microcalorimetry, in combination with conventional methods for determining metabolic activity, opens the possibility to study the efficiency with which ATP, produced as a result of metabolic activity, is utilized by the cell for energy-requiring synthetic reactions. Using commercial baker's yeast as a test organism an...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01323416
更新日期：1975-12-04 00:00:00
abstract：:The problem of expressing cumulative detrimental effect of radiation exposure is revisited. All conventionally used and computationally complex lifetime or time-integrated risks are based on current population and health statistical data, with unknown future secular trends, that are projected far into the future. It i...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-019-00794-1
更新日期：2019-08-01 00:00:00
abstract：:Stem cells surviving radiation injury may carry defects which contribute to long-term effects. The ratio of 125-iododeoxyuridine (IUdR) uptake into spleens of lethally irradiated recipient mice between day 3 and day 5 after cell transfusion revealed reduced proliferative ability (PF) of spleen seeding cells in paralle...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01211733
更新日期：1986-01-01 00:00:00
abstract：:About a century ago, Conrad Röentgen discovered X-rays, and Henri Becquerel discovered a new phenomenon, which Marie and Pierre Curie later coined as radio-activity. Since their seminal work, we have learned much about the physical properties of radiation and its effects on living matter. Alas, the more we discover, t...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章,评审
doi：10.1007/s00411-007-0146-8
更新日期：2008-02-01 00:00:00
abstract：:Growing hair follicles with their rapid cell proliferation would be expected to be sensitive organs to cytotoxic agents such as radiation. Various abnormalities in the hair and hair follicles have been reported in the past. Changes in the number of cells in the newly forming hair cortex have been shown in the mouse to...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF02434035
更新日期：1996-05-01 00:00:00
abstract：:The ion microprobe SNAKE at the Munich 14 MV tandem accelerator achieves beam focussing by a superconducting quadrupole doublet and can make use of a broad range of ions and ion energies, from 20 MeV protons to 200 MeV gold ions. Because of these properties, SNAKE is particularly attractive for biological microbeam ex...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-003-0222-7
更新日期：2004-02-01 00:00:00
abstract：:Radiation is known to be carcinogenic to humans but attempts to demonstrate the process using human tissue culture models have met with little success. In the present study explants were established from urothelium and exposed to radiation and a range of chemical carcinogens, suspected promotor or metabolic agents. Th...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01210524
更新日期：1990-01-01 00:00:00
abstract：:Quantitative cancer incidence data exist for various laboratory animal models, but little of this information is usable for estimating human risks, primarily because of uncertainties about possible mechanistic differences among species. Acceptance and utilization of animal data for human risk assessment will require a...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-007-0106-3
更新日期：2007-06-01 00:00:00
abstract：:Low-dose ionizing radiation (IR) responses remain an unresolved issue in radiation biology and risk assessment. Accurate knowledge of low-dose responses is important for estimation of normal tissue risk in cancer radiotherapy or health risks from occupational or hazard exposure. Cellular responses to low-dose IR appea...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-020-00854-x
更新日期：2020-08-01 00:00:00
abstract：:To evaluate the dose distributions of an electron microbeam and to help optimization of its design, the condensed-history (CH) Monte Carlo simulation algorithm implemented in the Geant4 toolkit was selected as an alternative to the conventionally used analog algorithm. Compared to the analog algorithm, the CH algorith...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-006-0027-6
更新日期：2006-03-01 00:00:00
abstract：:Four different thiol reagents: p-chloromercuribenzoic acid (pCMB), mercuric chloride (HgCl2), N-ethylmaleimide (NEM), and 5,5'-dithiobis-(2-nitrobenzoic acid) (DTNB) were employed as agents modifying the transport of a hydrophilic and hydrophobic non-electrolyte spin labels: 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-o...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01323760
更新日期：1983-01-01 00:00:00
abstract：:Many experimental studies are carried out to compare biological effectiveness of high dose rate (HDR) with that of low dose rate (LDR). The rational for this is the uncertainty regarding the value of the dose rate effectiveness factor (DREF) used in radiological protection. While a LDR is defined as 0.1 mGy/min or low...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-020-00852-z
更新日期：2020-08-01 00:00:00
abstract：:Waterborne radioactive releases into the Techa River from the Mayak Production Association in Russia during 1949-1956 resulted in significant doses to about 30,000 persons who lived in downstream settlements. The residents were exposed to internal and external radiation. Two methods for reconstruction of the external ...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-015-0611-8
更新日期：2015-11-01 00:00:00
abstract：:In this study, temporal variations of indoor radon concentrations in Bulgaria were investigated. The radon concentrations were measured by nuclear track detectors as part of the Bulgarian National Survey, performed in the dwellings of 28 regional districts. The detectors were exposed through a year in two consecutive ...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-019-00789-y
更新日期：2019-08-01 00:00:00
abstract：:After ingestion or inhalation of radionuclides, internal organs of the human body will be exposed to ionising radiation. Current risk estimates of radiation-associated cancer from internal emitters are largely based on extrapolation of risk from high-dose externally exposed groups. Concerns have been expressed that ex...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章,meta分析
doi：10.1007/s00411-007-0122-3
更新日期：2007-11-01 00:00:00
abstract：:The Auger electron emitter 123I was examined in the form of 4-[123I]iodoantipyrine and as [123I]NaI for its effectiveness in killing cells of different sensitivity to photon irradiation. Micronucleus assays showed that 4-[123I]iodoantipyrine is 2-3 times more effective in cell inactivation than [123I]NaI. This can be ...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s004110000083
更新日期：2001-03-01 00:00:00
abstract：:Preliminary results on the spectral dependence of the absorption of light in tissue are presented and discussed with respect to medical laser application. ...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01323942
更新日期：1977-10-12 00:00:00
abstract：:In this pilot study we compared for the first time the radiation sensitivity of mouse lens epithelial cells (LECs) and mouse lymphocytes. We freshly prepared LECs and lymphocytes and irradiated them with γ-rays ((137)Cs; doses ranging from 0.25 to 2 Gy). DNA damage and repair were evaluated by alkaline comet assay and...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-012-0451-8
更新日期：2013-05-01 00:00:00
abstract：:In order to provide fundamental data required for dose evaluation due to environmental exposures, effective dose conversion coefficients, that is, the effective dose rate per unit activity per unit area, were calculated for a number of potentially important radionuclides, assuming an exponential distribution in ground...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-012-0432-y
更新日期：2012-11-01 00:00:00
abstract：:Estimates are presented on the carbon-14 generation rates in several reactor types and in peaceful nuclear explosions. If the carbon-14 generated in light water reactors is released, the population radiation dose rate it causes initially will be comparable to that resulting from the krypton-85 and tritium generated in...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01331176
更新日期：1976-12-23 00:00:00
abstract：:In head computed tomography, radiation upon the eye lens (as an organ with high radiosensitivity) may cause lenticular opacity and cataracts. Therefore, quantitative dose assessment due to exposure of the eye lens and surrounding tissue is a matter of concern. For this purpose, an accurate eye model with realistic geo...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-017-0686-5
更新日期：2017-05-01 00:00:00
abstract：:The objective of the present work is to apply the plasma clearance parameters to strontium, previously determined in our laboratory, to improve the biokinetic and dosimetric models of strontium-90 ((90)Sr) used in radiological protection; and also to apply this data for the estimation of the radiation doses from stron...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-007-0154-8
更新日期：2008-04-01 00:00:00
abstract：:The heads of rats were irradiated by 4 MeV electrons in doses 90, 180, and 360 Gy. The observed times of deaths ranged 120-600, 60-420, and 150-370 min after 90, 180, and 360 Gy, respectively. A dose dependent decrease of the brain uptake index of haloperidol was observed 1 and 3 h post radiation. On the other hand an...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01210512
更新日期：1991-01-01 00:00:00
abstract：:It is usually assumed that sparsely ionizing radiation produces randomly distributed DNA breakages. This seems to be supported by the finding that in some DNA fragments single-strand scissions occur uniformly at all nucleotide sites, regardless of sequence. We performed experiments on two DNA fragments of about 300 bp...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01255271
更新日期：1994-01-01 00:00:00
abstract：:Microwave irradiation has been shown to decrease the input resistance of snail neurons. In this study, we examined the role of extracellular calcium in triggering the microwave-induced enhancement of membrane conductance. Two sets of experiments were conducted. In the first set, nerve cells were superfused using Ringe...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/BF01229821
更新日期：1985-01-01 00:00:00
abstract：:Ionizing radiation can produce adverse biological effects in astronauts during space travel. Of particular concern are the types of radiation from highly energetic, heavy, charged particles known as HZE particles. The aims of our studies are to characterize HZE particle radiation induced biological effects and evaluat...
journal_title：Radiation and environmental biophysics
pub_type： 杂志文章
doi：10.1007/s00411-006-0089-5
更新日期：2007-06-01 00:00:00
