Medical Radiology and Radiation Safety. 2023. Vol. 68. № 1

DOI: 10.33266/1024-6177-2023-68-1-92-100

S.M. Rodneva1, D.V. Guryev1,2

Tritium Dosimetry at the Cellular Level

1A.I. Burnazyan Federal Medical Biophysical Center, Moscow, Russia

2N.N. Semenov Federal Research Center for Chemical Physics, Moscow, Russia

Contact person: Sofya Mikhailovna Rodneva: e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.




1. Tritium radioisotope and its energy spectrum

2. Methods for calculating doses from radiation of radionuclides

2.1 General equation for absorbed dose rate

2.2 Absorbed dose rate versus average energy

2.3 Formulas for calculating dose and S-values ​​from radiation of radionuclides

2.4 Method of dose point nuclei

2.5 MIRD effective stopping power method

2.6 Geometric factor

3. Analysis of S-value calculations by various methods

3.1 Values ​​of the CSDA range at low initial electron energies

3.2 Comparison of S-value calculations for low energy electrons

3.3 Comparison of tritium S-value calculations

4. Evaluation of S-value calculations in the absence of spherical symmetry


Keywords: radiation dosimetry, radionuclides, tritium, electrons, S-value, cell, mathematical model

For citation: Rodneva SM, Guryev DV. Tritium Dosimetry at the Cellular Level. Medical Radiology and Radiation Safety. 2023;68(1):92–100. (In Russian). DOI: 10.33266/1024-6177-2023-68-1-92-100



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Conflict of interest. The authors declare no conflict of interest.

Financing. The study had no sponsorship.

Contribution. Article was prepared with equal participation of the authors.

Article received: 20.09.2022. Accepted for publication: 25.11.2022.