Radiochemistry

, volume 61 , issue 3 , pages 339-346

Dynamics of Sorption—Desorption of ²²³Ra Therapeutic α-Emitter on Granulated Hydroxyapatite

A V Severin ¹

A. N. Vasiliev ^{1, 2}

A V Gopin ¹

I E Vlasova ¹

E. V. Chernykh ¹

Hide authors affiliations Show authors affiliations: 2 affiliations

Chemical Department, Moscow State University, Moscow, Russia |

Institute for Nuclear Research, Russian Academy of Sciences, Troitsk, Moscow, Russia |

Publication type: Journal Article

Publication date: 2019-05-01

Pleiades Publishing

Radiochemistry

scimago Q3

wos Q4

SJR: 0.285

CiteScore: 1.6

Impact factor: 1.0

ISSN: 10663622, 16083288

DOI: 10.1134/S1066362219030093

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Physical and Theoretical Chemistry

Abstract

The dynamics of the 223Ra distribution in the volume of spherical hydroxyapatite (HAP) granules in the course of the 223Ra sorption from aqueous solutions onto sorbent particles and desorption was studied by α-track radiography. The optimum time of contact of the sample with a detector (exposure) was found, and a procedure for preparing experimental samples was suggested. Taking into account the density of the porous sorbent, the ranges of the α-particles emitted by 223Ra and its daughter products and of the recoil nuclei were estimated. The averaged effective range of the α-particles in HAP is ∼35 μm. A mathematical model of the Ra diffusion into the depth of the porous sorbent, taking into account the sorption, was developed on the basis of the parameters obtained. The effective diffusion coefficient was estimated at ∼3 × 10–5 cm2 s–1. Correlation be¬tween the sorbent particle size, radionuclide sorption time, and the absorbed dose produced by the particle in a biological tissue was demonstrated.

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Severin A. V. et al. Dynamics of Sorption—Desorption of 223Ra Therapeutic α-Emitter on Granulated Hydroxyapatite // Radiochemistry. 2019. Vol. 61. No. 3. pp. 339-346.

GOST all authors (up to 50) Copy

Severin A. V., Vasiliev A. N., Gopin A. V., Vlasova I. E., Chernykh E. V. Dynamics of Sorption—Desorption of 223Ra Therapeutic α-Emitter on Granulated Hydroxyapatite // Radiochemistry. 2019. Vol. 61. No. 3. pp. 339-346.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1134/S1066362219030093

UR - https://doi.org/10.1134/S1066362219030093

TI - Dynamics of Sorption—Desorption of 223Ra Therapeutic α-Emitter on Granulated Hydroxyapatite

T2 - Radiochemistry

AU - Severin, A V

AU - Vasiliev, A. N.

AU - Gopin, A V

AU - Vlasova, I E

AU - Chernykh, E. V.

PY - 2019

DA - 2019/05/01

PB - Pleiades Publishing

SP - 339-346

IS - 3

VL - 61

SN - 1066-3622

SN - 1608-3288

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2019_Severin,

author = {A V Severin and A. N. Vasiliev and A V Gopin and I E Vlasova and E. V. Chernykh},

title = {Dynamics of Sorption—Desorption of 223Ra Therapeutic α-Emitter on Granulated Hydroxyapatite},

journal = {Radiochemistry},

year = {2019},

volume = {61},

publisher = {Pleiades Publishing},

month = {may},

url = {https://doi.org/10.1134/S1066362219030093},

number = {3},

pages = {339--346},

doi = {10.1134/S1066362219030093}

}

MLA

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MLA Copy

Severin, A. V., et al. “Dynamics of Sorption—Desorption of 223Ra Therapeutic α-Emitter on Granulated Hydroxyapatite.” Radiochemistry, vol. 61, no. 3, May. 2019, pp. 339-346. https://doi.org/10.1134/S1066362219030093.

Publisher

Pleiades Publishing

Journal

Radiochemistry

scimago Q3

wos Q4

SJR

0.285

CiteScore

1.6

Impact factor

1.0

ISSN

10663622 (Print)

16083288 (Electronic)

Profiles

Irina E Vlasova