کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6370595 | 1623863 | 2014 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A dynamic dosimetry model for radioactive exposure scenarios in Arabidopsis thaliana
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
علوم کشاورزی و بیولوژیک (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: A dynamic dosimetry model for radioactive exposure scenarios in Arabidopsis thaliana A dynamic dosimetry model for radioactive exposure scenarios in Arabidopsis thaliana](/preview/png/6370595.png)
چکیده انگلیسی
To obtain a better understanding on how non-human biota are affected by exposure to environmental radioactivity, it is essential to link observed effects to a correct estimate of absorbed ionising radiation dose. Current wildlife dose rate and risk assessment tools are not set up to assess changes in dose rate during organism development. This paper presents a dosimetry model for assessing dose rate and absorbed dose during seedling development of the model plant Arabidopsis thaliana. We included growth and radionuclide absorption dynamics into the dose calculations. This model was subsequently used to compare the dose and dose rate calculations for three radionuclides, 241Am (α-radiation), 90Sr (β-radiation) and 133Ba (γ-radiation), in a standard exposure scenario. We show that growth influences dose and dose rate and that this influence depends on the radionuclide and the organ involved. The use of dynamic dosimetry models greatly improves the dose calculations for effect studies.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Theoretical Biology - Volume 347, 21 April 2014, Pages 54-62
Journal: Journal of Theoretical Biology - Volume 347, 21 April 2014, Pages 54-62
نویسندگان
Geert Biermans, Nele Horemans, Niel Hens, Jordi Vives i Batlle, Hildegarde Vandenhove, Ann Cuypers,