Research Article
Stimulation of Technetium Activity in Human Body Organs After Injection Using MIRD and ICRP Models
Bambara Telado Luc*,
Kabore Karim,
Derra Moumouni,
Francois Zougmore
Issue:
Volume 11, Issue 1, September 2026
Pages:
1-11
Received:
18 June 2026
Accepted:
3 July 2026
Published:
28 July 2026
DOI:
10.11648/j.ns.20261003.11
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Abstract: Internal dosimetry deals with the measurement of the radiation dose absorbed internally by an organ after the administration of isotopes for diagnosis and treatment. The purpose of this research was to evaluate bladder-urine transfer coefficient impact on the bladder technetium activity in the MIRD bio kinetic model and propose a simplified biokinetic model using the ICRP 134 model. The residence time in the bladder and kidneys was determined using scans of five volunteer patients at three different time points (1 h, 2 h, and 3 h post-injection). To quantify activity in the kidneys and bladder, the conjugate-view method was applied to the imaging data. In the present study technetium activity has been calculated in human organs using the MIRD et ICRP bio-kinetic models. The theoretical results were obtained by simulation on the MatLab software of the matrix equations obtained from different equations of the quantity of technetium in the different organs used in the bio-kinetic models. The study showed that it is important to take into account the transfer coefficient between the bladder and urine to reduce the fraction of technetium in the bladder. The ICRP model and the proposed simplified model predict technetium fractions better than the MIRD model three hours after injection. The study also showed that the ICRP model and the proposed simplified model are in agreement in predicting the technetium fraction in the bladder and kidneys.
Abstract: Internal dosimetry deals with the measurement of the radiation dose absorbed internally by an organ after the administration of isotopes for diagnosis and treatment. The purpose of this research was to evaluate bladder-urine transfer coefficient impact on the bladder technetium activity in the MIRD bio kinetic model and propose a simplified biokine...
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Research Article
Nuclear Risks and Damages in Europe
Issue:
Volume 11, Issue 1, September 2026
Pages:
12-19
Received:
1 June 2026
Accepted:
26 August 2026
Published:
29 October 2026
Abstract: Methods for improving the safety of nuclear energy production and use facilities, including nuclear power plants (NPP) and other large industrial facilities in various countries, are presented and discussed. According to Concern «Rosenergoatom» data, the operation of all 10 Russian nuclear power plants (NPPs) was analyzed in details. The risks to the population in the region of each NPP were assessed when new reactors are commissioned under the Federal Purposed Program (FPP) for the intensive development of the Russian nuclear energy industry until 2021. It was determined that all of them comply with permissible sanitary standards. Their background radiation levels do not exceed natural one. Measures were proposed to reduce the likelihood of uncontrolled chaos, strengthen favorable social dynamics and the human factor in preventing both natural and man-made disasters. In the context of the rapidly changing global political situation, several possible methods of protection against targeted terrorist attacks and unmanned aerial vehicles (drones) used for these purposes. It was determined that all of them comply with the permissible sanitary standards. Their background radiation levels do not exceed natural levels. Measures were proposed to reduce the likelihood of uncontrolled chaos, strengthen favorable social dynamics, and utilize the human factor in preventing both natural and man-made disasters. In the context of the rapidly changing global political situation, some several possible methods of protection against targeted terrorist attacks and drones used for these purposes were proposed. These methods reduce the likelihood of uncontrolled chaos and enhance favorable social dynamics and the human factor in preventing both natural and man-madе possible disasters.
Abstract: Methods for improving the safety of nuclear energy production and use facilities, including nuclear power plants (NPP) and other large industrial facilities in various countries, are presented and discussed. According to Concern «Rosenergoatom» data, the operation of all 10 Russian nuclear power plants (NPPs) was analyzed in details. The risks to t...
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