The relative biological efficiency of single doses of fast neutrons and gamma-rays on Vicia faba roots and the effect of oxygen. Part III. Mitotic delay. | Semantic Scholar (2024)

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@article{Neary1959TheRB, title={The relative biological efficiency of single doses of fast neutrons and gamma-rays on Vicia faba roots and the effect of oxygen. Part III. Mitotic delay.}, author={G. J. Neary and Harold J. Evans and S. M. Tonkinson and F. S. Williamson}, journal={International journal of radiation biology and related studies in physics, chemistry, and medicine}, year={1959}, volume={1}, pages={ 230-40 }, url={https://api.semanticscholar.org/CorpusID:23400727}}
  • G. Neary, H. Evans, F. S. Williamson
  • Published in International Journal of… 1 July 1959
  • Biology, Environmental Science

For a given level of chromosome damage produced under conditions of aeration, neutron radiation was found to be about 10·5 times as effective as gamma-rays.

145 Citations

Background Citations

14

Methods Citations

3

145 Citations

Energy-dependent RBE of neutrons to induce micronuclei in root-tip cells of Allium cepa onion irradiated as dry dormant seeds and seedlings.
    Wenyi ZhangK. Fujikawa M. Hoshi

    Biology, Environmental Science

    Journal of radiation research

  • 2003

The relative biological effectiveness (RBE) of various energy neutrons produced from a Schenkel-type accelerator at the Research Institute for Radiation Biology and Medicine, Hiroshima University (HIRRAC), compared with 60Co gamma-ray radiation was determined and the ratio of the micronucleus induction rates of seed assay to seedling assay by gamma-rays was much lower than that by neutron radiations.

Relative biological effectiveness of fission neutrons for induction of micronucleus formation in mouse reticulocytes in vivo.
    N. KagawaM. ShimuraA. TakaiS. EndoK. Fujikawa

    Biology

    Mutation research

  • 2004
  • 11
Dose estimations of fast neutrons from a nuclear reactor by micronuclear yields in onion seedlings.
    K. FujikawaS. EndoT. ItohY. YonezawaM. Hoshi

    Environmental Science, Physics

    Journal of radiation research

  • 1999

Irradiations of onion seedlings with fission neutrons from bare, Pb-moderated, and Fe-moderated 252Cf sources induced micronuclei in the root-tip cells at similar rates. The rate per cGy averaged for

Radiation-induced chromosome damage in human peripheral blood lymphocytes in vitro. I. RBE and dose-rate studies with fast neutrons.
    D. ScottH. SharpeA. BatchelorH. EvansD. Papworth

    Environmental Science, Medicine

    Mutation research

  • 1969
  • 39
Dose‐ and time‐dependent responses for micronucleus induction by X‐rays and fast neutrons in gill cells of medaka (Oryzias latipes)
    A. TakaiN. KagawaK. Fujikawa

    Biology, Environmental Science

    Environmental and molecular mutagenesis

  • 2004

Results and other data support the conclusion that the medaka gill cell micronucleus assay is a reliable short‐term test for detecting potential inducers of DNA double‐strand breaks.

  • 18
NEUTRON-INDUCED GENETIC EFFECTS: A REVIEW.
    M. Bender

    Physics, Environmental Science

  • 1970
  • 25
V. Comparison Between the Oxygen Enhancement Rations for Neutrons and X Rays, as observed with Escherichia coli B
    T. Alper

    Biology, Environmental Science

  • 1963

Experiments with micro-organisms might add to the possibility of generalising about the change in oxygen enhancement ratio which occurs when the LET of the radiation is changed, this being at the core of the possible advantage envisaged from using fast neutrons in radiotherapy.

  • 26
Environmental modulation of plant response to neutron irradiation
    H. Smith

    Environmental Science

  • 1972
  • 7
Effects of different ionizing radiations on human cells in tissue culture. III. Experiments with cyclotron-accelerated alpha-particles and deuterons.
    G. BarendsenH. M. WalterJ. FowlerD. K. Bewley

    Environmental Science, Medicine

    Radiation research

  • 1963

Results obtained from cyclotron-accelerated a-particles and deuterons show that in this region the RBE varies rapidly with LET, especially at low levels of damage.

  • 241
Growth reduction, chromosome damage and mitotic inhibition produced in roots of Vicia faba by X-rays and by triethylene melamine
    R. Wakonig‐VaartajaJ. Read

    Environmental Science, Biology

  • 1962
  • 6

...

...

11 References

The Effect of Ionizing Radiations on the Broad Bean Root, Part X
    J. Read

    Environmental Science, Biology

  • 1952

Experiments and observations which suggest that the sensitivity of tumour and normal tissues to X rays is affected by the oxygen supply are described in the literature from an early date. In

  • 75
The effect of ionizing radiations on the broad bean root. Part IX. Chromosome breakage and the lethality of ionizing radiations to the root meristem.
    J. Thoday

    Biology, Environmental Science

    The British journal of radiology

  • 1951

When a meristematic tissue such as that in the root tip of Vicia faba is irradiated, a considerable number of different kinds of change may be induced.

  • 83
The Effect of Oxygen on the Production by Fast Neutrons of Chromosomal Aberrations in Tradescantia Microspores.
    N. GilesA. V. BeattyH. P. Riley

    Biology, Environmental Science

    Genetics

  • 1952

It seemed of interest to investigate the oxygen effect when fast neutrons are used to produce aberrations in Tradescantia, since this radiation is intermediate in effectiveness with respect to chromosome break production between X-rays and alpha particles.

  • 33
  • PDF
Quantitative relation of RBE in Tradescantia and average LET of gamma rays, x-rays, and 1.3-, 2.5-, and 14.1-Mev fast neutrons.
    A. D. CongerM. L. RandolphC. SheppardH. Luippold

    Environmental Science, Physics

    Radiation research

  • 1958

The shape of the curve of RBE against LET for chromosomal aberrations, an effect that may be considered as cellular cytogenetic lethality, is very similar to the curve for a galaxy of mammalian effects including lethality.

  • 71
The Effect of Ionizing Radiations on the Broad Bean Root. Part IV
    L. H. GrayJ. Read

    Environmental Science, Medicine

  • 1942

The conditions under which biological material such as bean roots, tissue cultures, tumour fragments, etc., may be exposed to a known dose of α radiation by immersing the tissue in water containing

  • 21
Chromatid Breakage by Irradiation and the Oxygen Effect
    G. NearyH. Evans

    Biology, Environmental Science

    Nature

  • 1958

The oxygen effect on the chromosomes of V. faba root tips is re-investigated to make a detailed analysis of the influence of oxygen on the structure and frequency of the various chromatid aberrations induced by gamma-radiation.

  • 29
Dependence on Oxygen and Temperature of the Sensitivity of Broad Bean Roots to γ-Radiation
    G. Neary

    Biology, Environmental Science

    Nature

  • 1957

Giles, Beatty and Riley3, investigating chromosome structural changes in Tradescantia, have stated that radiosensitivity is affected by temperature differently under conditions of aerobic and anaerobic irradiation.

  • 16
The effect of oxygen on the radiosensitivity of mammalian cells.
    A. D. Conger

    Environmental Science, Medicine

    Radiology

  • 1956

Tumor, since it is anoxic, occupies a low position on the oxy-gen-radiosensitivity curve as compared with normal, well vascularized tissue, which stands high on the radiosensitivity curve and, most important, is close to the plateau of maximum sensitivity.

  • 34
Interpretation of Induced Chromosome Breakage and Rejoining
    S. Wolff

    Biology

  • 1959

Phenomena associated with the induction of chromosome aberrations by ionizing radiations and subsequent rejoining are discussed. The chemical nature of breaks and the biochemistry of rejoining are

  • 132
Physical and chemical mechanisms in the injury of cells of ionizing radiations.
    Paul Howard-Flanders

    Environmental Science, Medicine

    Advances in biological and medical physics

  • 1958
  • 165

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