Freddy Omar López

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Human blood was irradiated with accelerated ions: 20 MeV 4He, 425 MeV 12C and 1480 MeV and 996 MeV 16O. For each ion, the blood was exposed to a range of doses as thin specimens in the track segment mode, so that irradiations took place at nearly constant LETs of 31.4, 61, 52 and 69 keV microm(-1), respectively. Lymphocytes were cultured to the first in(More)
Some variables are restricted to the open interval (0, 1) and several methods have been developed to work with them under the scheme of the regression analysis. Most of research consider maximum likelihood methods and the use of Beta or Simplex distributions. This paper presents the use of Bayesian techniques to estimate the parameters of the simplex(More)
Rn is the most important source of natural radiation and is responsible for approximately half of the received dose of the totality of the sources. Most of this dose comes from the inhalation of the progeny of Rn, and this happens especially in closed atmospheres. Due to this, the control of the levels of Rn concentration in the different geographic areas(More)
Background and purpose: Several techniques with different sensitivity to single-strand breaks and/or double strand breaks were applied to detect DNA breaks generated by high LET particles. Tests that assess DNA damage in single cells might be the appropriate tool to estimate damage induced by particles, facilitating the assessment of heterogeneity of damage(More)
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