125Iodine decay in DNA: a discussion of its effectiveness for the breaking of DNA strands.

abstract：:The aim of this study was to verify whether extremely low frequency (ELF) magnetic fields (MF) could affect transposition activity like some environmental stress factors such as heat shock or UV irradiation. Using an Escherichia coli Lac Z(-) strain transformed with a plasmid containing a Tn 10 derivative element expr...

journal_title：Radiation and environmental biophysics

authors： Del Re B,Garoia F,Mesirca P,Agostini C,Bersani F,Giorgi G

更新日期：2003-07-01 00:00:00

abstract：:The macroscopic reaction of the mouse skin was used to derive RBE values for negative pi-Mesons. Hind limbs of mice were irradiated with pions or X-rays. The pions were produced by the 590 MeV accelerator of the Schweizerisches Institut für Nuklearforschung (SIN). Early reaction was assessed over a period of 6--30 day...

journal_title：Radiation and environmental biophysics

authors： Fröhlich EM,Blattmann H,Pfister L,Cordt I,Zehnder J,Fritz-Niggli H

更新日期：1979-08-10 00:00:00

abstract：:The relationship between occupational exposure to extremely low-frequency electromagnetic fields and adult leukaemia has been studied extensively during the last decade. The first studies were based on crude exposure assessments, estimated through job titles, with no or only limited control confounding factors. The re...

journal_title：Radiation and environmental biophysics

authors： Feychting M

更新日期：1996-11-01 00:00:00

abstract：:The evolution of the proflavine triplet state population with the extent of aggregation is examines, by ESRmeasurements, as a function of organic solvents and mineral salts, well known for their ability to influence the aggregation process. The intensity of the triplet state population has also been investigated as a ...

journal_title：Radiation and environmental biophysics

authors： Lion Y,Saucin M,Van de Vorst A

更新日期：1975-12-04 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：:Computational models of human anatomy are mathematical representations of human anatomy designed to be used in dosimetry calculations. They have been used in dosimetry calculations for radiography, radiotherapy, nuclear medicine, radiation protection and to investigate the effects of low frequency electromagnetic fiel...

journal_title：Radiation and environmental biophysics

authors： Caon M

更新日期：2004-02-01 00:00:00

abstract：:Various transport models are presently used to predict the long-term migration behaviour of fallout radiocesium on the soil. To examine to what extent the uncertainty of these predictions is influenced by the spatial variability of the migration rates, we determined the depth profiles of Chernobyl-derived 137Cs at 100...

journal_title：Radiation and environmental biophysics

authors： Bunzl K,Schimmack W,Zelles L,Albers BP

更新日期：2000-09-01 00:00:00

abstract：:The study reported in the present paper aimed to evaluate the effective energy (Eeff) of X-rays emitted from the surface of a bare X-ray probe and from different spherical applicators with various diameters, which are widely employed for low kV intraoperative radiotherapy (IORT) of breast cancer. A previously validate...

journal_title：Radiation and environmental biophysics

authors： Shamsabadi R,Baghani HR,Mowlavi AA,Azadegan B

更新日期：2021-01-03 00:00:00

abstract：:Microcalorimetric experiments on growth and maintenance metabolism of Saccharomyces strains ranging from haploid to hexaploid are described. During growth, the mean dry weight, the mean volume and the maximum heat flux of the cells are nearly linear functions of ploidy. These parameters are correlated with the cell co...

journal_title：Radiation and environmental biophysics

authors： Lamprecht I,Schaarschmidt B,Welge G

更新日期：1976-03-30 00:00:00

abstract：:In spite of a well-known relationship between exposure to radiation and increased risk for cancer development, the biological mechanisms involved in radiation-induced carcinogenesis remain poorly documented. Various hypotheses are discussed in this paper. It appears that radiation cannot be directly responsible for th...

journal_title：Radiation and environmental biophysics

authors： Sabatier L,Lebeau J,Dutrillaux B

更新日期：1995-11-01 00:00:00

abstract：:It is shown that the properties of ATPase (EC 3.6.1.3) of Micrococcus luteus depend only to some extent on the state of the membrane to which it is attached. Its interaction with the membrane appears to be largely controlled by polar forces. It is shown, however, that the UV-sensitivity of the membrane-bound ATPase is...

journal_title：Radiation and environmental biophysics

authors： Volotovskij J,Risi S,Dose K

更新日期：1976-03-30 00:00:00

abstract：:Exposure to ionizing radiation has well-documented long-term effects on cancer rates and other health outcomes in humans. While in vitro experimental studies had demonstrated that the nature of some radiation effects depend on both total dose of the radiation and the dose rate (i.e., the pattern of dose distribution o...

journal_title：Radiation and environmental biophysics

authors： Sokolnikov M,Preston D,Stram DO

更新日期：2017-03-01 00:00:00

abstract：:To explore possible applications of iodoacetate (IA), a glycolytic inhibitor, in cancer treatment, we screened its cytotoxicity and radioprotective/sensitizing efficacy in three different mammalian cell lines; A549 (human lung carcinoma), MCF7 (human mammary cancer), a non-cancerous CHO (Chinese hamster ovary) cells a...

journal_title：Radiation and environmental biophysics

authors： Yadav U,Anjaria KB,Nairy R,Shirsath KB,Desai UN,Chaurasia RK,Bhat NN,Sapra BK

更新日期：2017-08-01 00:00:00

abstract：:Procedures for age-adjustment of cancer fractions are proposed which do not require fixed age intervals. The full available information on survival times can then be used, which is especially important in small treatment groups. For incidental cancers a non-decreasing prevalence function and for fatal cancers the Kapl...

journal_title：Radiation and environmental biophysics

authors： Heidenreich WF,Collier C,Morlier JP,Cross FT,Kaiser JC,Monchaux G

更新日期：2004-09-01 00:00:00

abstract：:The observable responses of living systems to ionizing radiation depend on the level of biological organization studied. Understanding the relationships between the responses characteristic of the different levels of organization is of crucial importance. The main objective of the present study is to investigate how s...

journal_title：Radiation and environmental biophysics

authors： Madas BG,Balásházy I

更新日期：2011-11-01 00:00:00

abstract：:Investigation of cell-free DNA (cf-DNA) in body fluids, as a potential biomarker for assessing the effect of ionizing radiation on the organism, is of considerable interest. We investigated changes in the contents of cell-free mitochondrial DNA (cf-mtDNA) and cell-free nuclear DNA (cf-nDNA) in the urine of X-ray-expos...

journal_title：Radiation and environmental biophysics

authors： Abdullaev SA,Minkabirova GM,Bezlepkin VG,Gaziev AI

更新日期：2015-08-01 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：: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：:The model of radiocaesium transfer to sheep presented by Galer et al. provides reliable predictions only for sheep of a similar body weight to those used in the development of the model (approximately 30 kg). To extend the applicability of the model, it was necessary to re-parameterise it in terms of activity concentr...

journal_title：Radiation and environmental biophysics

authors： Crout NM,Beresford NA,Howard BJ,Mayes RW,Assimakopoulos PA,Vandecasteele CM

更新日期：1996-02-01 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：: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

authors： Feinendegen L,Hahnfeldt P,Schadt EE,Stumpf M,Voit EO

更新日期：2008-02-01 00:00:00

abstract：:The oxyhemoglobin saturation (HbO2) of single red blood cells within tumor microvessels (diameter: 3-12 micrometers) of DS-Carcinosarcoma was studied using a cryophotometric micromethod. In untreated control tumors (mean tissue temperature approx. 35 degrees C) the measured values scattered over the whole saturation r...

journal_title：Radiation and environmental biophysics

authors： Vaupel PW,Otte J,Manz R

更新日期：1982-01-01 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：:The aim of this study was to detect membrane fluidity modifications in blood lymphocytes that had been exposed to gamma-radiation, at a graded series of depths from the surface to the centre of the membrane bilayer and as a function of cell viability. A time course was performed to verify the contribution of the membr...

journal_title：Radiation and environmental biophysics

authors： Vincent-Genod L,Benderitter M,Voisin P

更新日期：2001-09-01 00:00:00

abstract：:This study aimed to evaluate the biological effects of gamma irradiation on zebrafish embryos. Different doses of gamma rays (0.01, 0.05, 0.1, 0.5 and 1 Gy) were used to irradiate zebrafish embryos at three developmental stages (stage 1, 6 h post-fertilization (hpf); stage 2, 12 hpf; stage three, 24 hpf), respectively...

journal_title：Radiation and environmental biophysics

authors： Hu M,Hu N,Ding D,Zhao W,Feng Y,Zhang H,Li G,Wang Y

更新日期：2016-11-01 00:00:00

abstract：:More accurate reconstruction of the radioactive contamination of the Techa River system in 1949-1951 has been made on the basis of refined data on the amounts and the rate of discharge of radionuclides into the Techa River from the Mayak Production Association; this has led to the development of a modified Techa River...

journal_title：Radiation and environmental biophysics

authors： Shagina NB,Vorobiova MI,Degteva MO,Peremyslova LM,Shishkina EA,Anspaugh LR,Napier BA

更新日期：2012-11-01 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

authors： Degteva MO,Shagina NB,Shishkina EA,Vozilova AV,Volchkova AY,Vorobiova MI,Wieser A,Fattibene P,Della Monaca S,Ainsbury E,Moquet J,Anspaugh LR,Napier BA

更新日期：2015-11-01 00:00:00

abstract：:The potential mechanisms underlying the increase in serum iron concentration in gamma-irradiated mice were studied. The gamma irradiation dose used was 4 Gy, and cobalt-60 ((60)Co) source was used for the irradiation. The dose rate was 0.25 Gy/min. In the serum of irradiated mice, the concentration of ferrous ions dec...

journal_title：Radiation and environmental biophysics

authors： Xie LH,Zhang XH,Hu XD,Min XY,Zhou QF,Zhang HQ

更新日期：2016-03-01 00:00:00

abstract：:The major goal of this study was to identify and quantitatively describe the association between the characteristics of chronic (low-dose rate) exposure to (low LET) ionizing radiation and cellularity of peripheral blood cell lines. About 3,200 hemograms (i.e., spectra of blood counts) obtained over the years of maxim...

journal_title：Radiation and environmental biophysics

authors： Akleyev AV,Akushevich IV,Dimov GP,Veremeyeva GA,Varfolomeyeva TA,Ukraintseva SV,Yashin AI

更新日期：2010-05-01 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