Biosorption of 226Ra in high level natural radiation areas of Ramsar, Iran

D. Satvatmanesh; F. Siavoshi; M. Beitollahi; J. Amidi; N. Fallahian

doi:10.1023/b:jrnc.0000011741.66761.b1

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 258: Issue 3

Biosorption of ²²⁶Ra in high level natural radiation areas of Ramsar, Iran

Authors:

D. Satvatmanesh

D. Satvatmanesh Tehran University Biology Department, Faculty of Sciences P.O. Box 14155 6455 Tehran Iran

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F. Siavoshi

F. Siavoshi Tehran University Biology Department, Faculty of Sciences P.O. Box 14155 6455 Tehran Iran

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M. Beitollahi

M. Beitollahi Iranian Nuclear Regulatory Authority National Radiation Protection Department P.O. Box 14155 4494 Tehran Iran

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J. Amidi

J. Amidi Iranian Nuclear Regulatory Authority National Radiation Protection Department P.O. Box 14155 4494 Tehran Iran

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N. Fallahian

N. Fallahian Iranian Nuclear Regulatory Authority National Radiation Protection Department P.O. Box 14155 4494 Tehran Iran

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Pages:: 483–486

Online Publication Date:: 01 Nov 2004

Publication Date:: 17 Dec 2003

Article Category:: Research Article

DOI:: https://doi.org/10.1023/b:jrnc.0000011741.66761.b1

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Abstract

Bacterial strains isolated from hot springs and soil of high level natural radiation areas of Ramsar, a northern coastal city of Iran, have been studied for their ²²⁶Ra sorption ability from aqueous solutions. Gamma-spectrometry showed that the uptake values of strains A-C, T-A, A-E and CH-G at a radioactivity level of 4.3±0.2 Bq·ml¹ were 202±53, 171±49, 123±11 and 53±6 Bq·g¹, respectively. Biosorption was the major mechanism involved in ²²⁶Ra uptake and was not affected by 2,4-dinitrophenol (DNP) or incubation at 4^°C. There was an inverse relationship between the rapid radium uptake value and biomass weight in the strains A-C and A-E. Strain A-C was identified as Citrobacter freundii and strains T-A, A-E and CH-G belonged to the genera Corynebacterium, Chromobacterium and Chryseobacterium, respectively.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)