Format

Send to

Choose Destination
See comment in PubMed Commons below
Int J Radiat Biol. 2014 Nov;90(11):1036-42. doi: 10.3109/09553002.2014.909075. Epub 2014 May 27.

Retrospective estimation of Plutonium-239 doses from transfer to the fetus for Mayak PA workers.

Author information

1
Southern Urals Biophysics Institute , Ozyorsk , Russian Federation.

Abstract

PURPOSE:

The estimation of plutonium fetal transfer and the calculation of individual in utero and postnatal doses for the Mayak Production Association (PA) offspring cohort.

MATERIALS AND METHODS:

The model developed by the International Commission on Radiological Protection (ICRP) for the transfer of plutonium to the fetus following maternal intakes before and during pregnancy has been adjusted for application to analysis of the fetal transfer of (239)Pu for Mayak workers. Improved estimates of fetal to maternal concentration ratios (CF:CM) have been obtained based on a correlation observed between adult offsprings' measured daily urine (239)Pu activity and estimates of their mothers' systemic activity at conception. Data on (239)Pu activity in daily urine samples were collected from 13 selected adults whose mothers worked at the Mayak PA facility during the period from 1948-1953, before and/or during pregnancy.

RESULTS:

A comparison of measured and modeled excretion data enabled a mean value of 0.18 ± 0.02 (n = 21) to be inferred for the Pu CF:CM ratio, with a coefficient of variation of 60%.

CONCLUSIONS:

Point estimates of the individual in utero and postnatal absorbed doses for the red bone marrow and liver were in the range 2…13 mGy in 95% of the cases for the cohort of 1936 offspring.

KEYWORDS:

Mayak PA; Plutonium; in utero; internal dosimetry; postnatal

PMID:
24678797
DOI:
10.3109/09553002.2014.909075
[Indexed for MEDLINE]
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Taylor & Francis
    Loading ...
    Support Center