Modelling 3H and 14C transfer to farm animals and their products under steady state conditions

Galeriu, D.; Melintescu, A.; Beresford, Nicholas A.; Crout, N.M.J.; Peterson, Roger L.; Takeda, Hiroshi

doi:10.1016/j.jenvrad.2006.11.010

Cited by 35 publications

(21 citation statements)

References 10 publications

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“…It was emphasized that the dynamic model gives similar equilibrium concentration ratios, as the simple model [1] does and for accidental condition the integrated concentration ratios are similar, also. Using a metabolic scaling, the time dependence of ICRER 2011 S451 whole-body concentration after a single OBT intake shows similar trend disregarding the large range of body masses.…”

Section: Discussionmentioning

confidence: 87%

“…The dynamic model can be used to check the equilibrium values of the concentration ratio (CR) given by a simple model [1]. The OBT concentration in the whole-body after HTO or OBT feeding was ICRER 2011 considered.…”

Section: Resultsmentioning

confidence: 99%

“…The experimental data of organically bound tritium (OBT) dynamics in humans are missing and consequently, the studies are focused on the development of a generic model for mammals in order to be further adapted for humans. A first step was to use hydrogen metabolism and animal nutrition in order to assess the transfer factors and concentration ratios for animal products for routine conditions and to test the model [1]. For human food chain modelling in case of tritium accidental emissions, the dynamical models were developed and successfully tested [2,3].…”

Section: Introductionmentioning

confidence: 99%

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A model approach for tritium dynamics in wild mammals

Galeriu

Melintescu

2011

Radioprotection

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Abstract. Tritium ( 3 H) transfer into environment must be modelled differently than the transfer of other radionuclides released from nuclear reactors because hydrogen represents the building blocks of life. A solid understanding of 3 H behaviour is essential because 3 H may be released in large quantities from CANDU (CANada Deuterium Uranium) reactors and from future thermonuclear reactors. Recently, the authors published a complex dynamic metabolic model for 3 H and 14 C transfer in farm and wild animals, but the model applications for wild biota were restricted to too few examples and mostly for 14 C transfer. In this study, the model is applied to few selected wild animals for 3 H uptake. Despite the lack of any experimental data for wild animals, the results presented in this study are less uncertain than for many other radionuclides and can provide a useful estimation for biota radioprotection.

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Section: Discussionmentioning

confidence: 87%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A model approach for tritium dynamics in wild mammals

Galeriu

Melintescu

2011

Radioprotection

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“…In the framework of the EMRASS II IAEA programme, quite a complete overview of the dynamic models for tritium transfer to animal products is presented (Galeriu et al, 2001(Galeriu et al, , 2007(Galeriu et al, , 2009Galeriu and Melintescu, 2011). The purpose here is to integrate all the processes together after an accidental release.…”

Section: Animalsmentioning

confidence: 99%

Key mechanisms for tritium transfer in the terrestrial environment

Guétat¹

2013

Radioprotection

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During an accidental release of tritium, mechanisms of hydrogen transfer from air to man are very numerous, dependent on multiple climate, physiological and biological parameters, and the kinetic is highly variable from one environmental compartment to another. To evaluate the impact of an acute tritium release requires either an overall assessment of the state of the environment during the release and the following hours from a number of restricted data, or the establishment of a significant data bank, a complex model and a system of data acquisition in real time whose potential for daily purposes is very hypothetical. To facilitate the first approach, this paper discusses the key elements of the mechanisms to guide the choice of parameters for a rapid assessment of the situation, and to clarify the types of measurements to carry out and their interpretation.

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“…Il n'apparaissait pas ainsi d'enrichissements manifestes entre la ration de la vache et les produits animaux. Ces observations macroscopiques sont cohérentes avec celles de la littérature (Galeriu et al, 2007).…”

Section: Campagne 2009 De Mesures De Tritium Organique Dans Les Végétauxunclassified

Apports de la surveillance du centre CEA-Valduc sur la connaissance des transferts de l’eau tritiée atmosphérique dans les différents compartiments de l’environnement

Goff

Boyer

2013

Radioprotection

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Modelling 3H and 14C transfer to farm animals and their products under steady state conditions

Cited by 35 publications

References 10 publications

A model approach for tritium dynamics in wild mammals

A model approach for tritium dynamics in wild mammals

Key mechanisms for tritium transfer in the terrestrial environment

Apports de la surveillance du centre CEA-Valduc sur la connaissance des transferts de l’eau tritiée atmosphérique dans les différents compartiments de l’environnement

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