Decrease of total activity with time at long distances from a nuclear accident or explosion.

abstract：:The sulphur-containing radioprotectors mercaptoethylamine (MEA), aminoethylisothiourea (AET), 2- aminothiazoline , 4-oxo-2- aminothiazoline , and S-S-3- oxapentane -1,5- diisothiourea , and the radioprotective biogenic amines serotonin, histamine, and dopamine, caused the elevation of cAMP content and intensified the ...

journal_title：Radiation and environmental biophysics

authors： Sobolev AS,Chirkov YuYu,Tertov VV,Kazarov AR

更新日期：1984-01-01 00:00:00

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

authors： Steiner M,Burkart W,Grosche B,Kaletsch U,Michaelis J

更新日期：1998-07-01 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

authors： Akhlaghi P,Ebrahimi-Khankook A,Vejdani-Noghreiyan A

更新日期：2017-05-01 00:00:00

abstract：:Model experiments with two structurally different proteins (alcohol dehydrogenase and salmine) show that glycine, alanine, and tyrosine are by far more frequently involved in photochemically induced cross-link formations with DNA than is cysteine. The yields for cross-link formation of thymidine with salmine (cysteine...

journal_title：Radiation and environmental biophysics

authors： Toth B,Dose K

更新日期：1976-07-30 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

authors： Skuterud L,Pedersen Ø,Staaland H,Røed KH,Salbu B,Liken A,Hove K

更新日期：2004-12-01 00:00:00

abstract：:The probability of the formation of ionization clusters by primary alpha-particles at 5.4 MeV in nanometric volumes of propane was studied experimentally and by Monte Carlo simulation, as a function of the distance between the center line of the particle beam and the center of the target volume. The volumes were of cy...

journal_title：Radiation and environmental biophysics

authors： De Nardo L,Colautti P,Conte V,Baek WY,Grosswendt B,Tornielli G

更新日期：2002-12-01 00:00:00

abstract：:In this study, thyroid cancer incidence (follow-up period: 1991-2001) has been analyzed, including persons who were exposed as children at an age between 0 and 17 years and who are living in the Bryansk oblast, the worst contaminated area of Russia after the Chernobyl accident. According to the census of 1989, the pop...

journal_title：Radiation and environmental biophysics

authors： Ivanov VK,Gorski AI,Tsyb AF,Maksioutov MA,Tumanov KA,Vlasov OK

更新日期：2006-05-01 00:00:00

abstract：:For studies on cell membranes, mice were exposed to mixed neutron + gamma reactor-radiation in the range of total doses from 0.5 to 4.5 Gy. Changes in functional activity of plasma membranes of erythrocytes, platelets, and lymphocytes were followed by a lectin-binding technique at various intervals afterwards. The amo...

journal_title：Radiation and environmental biophysics

authors： Kubasova T,Antal S,Somosy Z,Köteles GJ

更新日期：1984-01-01 00:00:00

abstract：:A human total-body counter was designed and built with two 20 X 10 cm NaI (Tl) crystals suspended over an "isoresponse surface" upon which the subject reclines. This surface is curved from head to knee and from left to right, so that a gamma-ray emitting object is detected with equal efficiency when placed anywhere up...

journal_title：Radiation and environmental biophysics

authors： Lloyd RD,Mays CW,Taysum DH

更新日期：1979-04-30 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

authors： Hauptner A,Dietzel S,Drexler GA,Reichart P,Krücken R,Cremer T,Friedl AA,Dollinger G

更新日期：2004-02-01 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

authors： von Wangenheim KH,Peterson HP,Feinendegen LE

更新日期：1986-01-01 00:00:00

abstract：:Beginning in 1950, people living on the banks of the Techa River received chronic low-dose-rate internal and external radiation exposures as a result of releases from the Mayak nuclear weapons plutonium production facility in the Southern Urals region of the Russian Federation. The Techa River cohort includes about 30...

journal_title：Radiation and environmental biophysics

authors： Krestinina L,Preston DL,Davis FG,Epifanova S,Ostroumova E,Ron E,Akleyev A

更新日期：2010-05-01 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

authors： Little MP,Hall P,Charles MW

更新日期：2007-11-01 00:00:00

abstract：:One of the main purposes leading botanists to investigate the effects of ionizing radiations is to understand plant behaviour in space, where vegetal systems play an important role for nourishment, psychological support and functioning of life support systems. Ground-based experiments have been performed with particle...

journal_title：Radiation and environmental biophysics

authors： De Micco V,Arena C,Pignalosa D,Durante M

更新日期：2011-03-01 00:00:00

abstract：:Activity concentrations of the selected radionuclides (40)K, (226)Ra and (232)Th were measured in surface soil samples collected from 38 cities in the southwest region of Nigeria by means of gamma spectroscopy with a high-purity germanium detector. Measured activity concentration values of (40)K varied from 34.9 +/- 4...

journal_title：Radiation and environmental biophysics

authors： Ajayi OS

更新日期：2009-08-01 00:00:00

abstract：:A Monte Carlo model is presented to study details of the energy deposition inside tracks of heavy charged particles in water vapor. The input data for most of the calculations based on the binary encounter approximation are double-differential cross sections for electron emission after heavy-ion impact. The paths of t...

journal_title：Radiation and environmental biophysics

authors： Krämer M,Kraft G

更新日期：1994-01-01 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

authors： Stewart J,Ko YH,Kennedy AR

更新日期：2007-06-01 00:00:00

abstract：:This work describes the radiological assessment of the near-surface Maisiagala radioactive waste repository (Lithuania) over the period 2005-2012, with focus on water pathways and special emphasis on tritium. The study includes an assessment of the effect of post-closure upgrading, the durability of which is greater t...

journal_title：Radiation and environmental biophysics

authors： Nedveckaite T,Gudelis A,Vives i Batlle J

更新日期：2013-05-01 00:00:00

abstract：:Recent analyses of the Canadian fluoroscopy cohort study reported significantly increased radiation risks of mortality from ischemic heart diseases (IHD) with a linear dose-response adjusted for dose fractionation. This cohort includes 63,707 tuberculosis patients from Canada who were exposed to low-to-moderate dose f...

journal_title：Radiation and environmental biophysics

authors： Schöllnberger H,Kaiser JC,Eidemüller M,Zablotska LB

更新日期：2020-03-01 00:00:00

abstract：:Radiological impact assessment for flora and fauna requires adequate dosimetric data. Due to the variability of habitats, shapes, and masses of the non-human biota, assessment of doses is a challenging task. External and internal dose conversion coefficients for photons and electrons have been systematically calculate...

journal_title：Radiation and environmental biophysics

authors： Ulanovsky A,Pröhl G

更新日期：2006-09-01 00:00:00

abstract：:The Sax-Markov binary eurejoining/misrejoining (SMBE) model is a stochastic representation of Sax's breakage-and-reunion mechanism of misrejoining DNA double-strand breaks (DSBs). In this model, to approximate DSB misrejoining probabilities that decrease with increasing distance, the nucleus is treated as a collection...

journal_title：Radiation and environmental biophysics

authors： Radivoyevitch T

更新日期：2000-12-01 00:00:00

abstract：:As a consequence of the increased use of renewable energy and the now long distances between energy generation and consumption, in Europe, electric power transfer by high-voltage (HV) direct current (DC) overhead power lines gains increasing importance. Thousands of kilometers of them are going to be built within the ...

journal_title：Radiation and environmental biophysics

authors： Leitgeb N

更新日期：2014-05-01 00:00:00

abstract：:Analyses of structural aberrations of chromosomes and of the body burden of lead-210 were carried out in a group of workers occupationally exposed to chemical pollutants and low doses of ionizing radiation during a technological process in which coal is used as fuel. A parallel study was performed in a control group o...

journal_title：Radiation and environmental biophysics

authors： Horvat D,Bauman A,Racić J

更新日期：1980-01-01 00:00:00

abstract：:A new device for the measurement of complete laser induced fluorescence emission spectra (maxima near 690 and 735 nm) of leaves during the induction of the chlorophyll fluorescence is described. In this the excitation light (cw He/Ne laser, 632.8 nm) is switched on by a fast electro-mechanical shutter which provides a...

journal_title：Radiation and environmental biophysics

authors： Szabó K,Lichtenthaler HK,Kocsányi L,Richter P

更新日期：1992-01-01 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

authors： Słonecka I,Łukasik K,Fornalski KW

更新日期：2019-03-01 00:00:00

abstract：:For the estimation of radiation doses to organisms, concentration ratios (C ( R )s) of radionuclides are required. In the present study, C(R)s of various elements were obtained as analogues of radionuclides for algae, molluscs, and crustaceans, in eight estuarine areas around Japan. The elements measured were Na, Mg, ...

journal_title：Radiation and environmental biophysics

authors： Takata H,Aono T,Tagami K,Uchida S

更新日期：2010-11-01 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

authors： Saito K,Ishigure N,Petoussi-Henss N,Schlattl H

更新日期：2012-11-01 00:00:00

abstract：:Simple, ellipsoidal geometries have long been the standard for estimating radiation dose rates in non-human biota (NHB). With the introduction of a regulatory protection standard that emphasizes protection of NHB as its own end point, there has been interest in improved models for the calculation of dose rates in NHB....

journal_title：Radiation and environmental biophysics

authors： Ruedig E,Caffrey E,Hess C,Higley K

更新日期：2014-08-01 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

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

更新日期：2008-04-01 00:00:00

abstract：:At five stages of gestation, mice were exposed dorsally to ultrasonic irradiation at 1 W/cm2 (spatial and temporal average), 2 MHz, and 34 and 37 degrees C (temperature at beginning of exposure). The results indicated that ultrasonic exposure up to at least 100 s is not hazardous to a pregnant mouse or its offspring i...

journal_title：Radiation and environmental biophysics

authors： Stolzenberg SJ,Torbit CA,Edmonds PD,Taenzer JC

更新日期：1980-01-01 00:00:00