Cytochemical behavior of rare earth ions in Euglena gracilis studied by XAFS

Q. Ren; Y. Hua; H. Shen; L. Zhong; C. Jin; Y. Mi; H. Yao; Y. Xie; S. Wei; L. Zhou

doi:10.1007/s10967-007-0529-y

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 272: Issue 2

Cytochemical behavior of rare earth ions in Euglena gracilis studied by XAFS

Authors:

Q. Ren

Q. Ren Fudan University Research Center for Analysis and Measurement Shanghai 200433 P.R. China

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Y. Hua

Y. Hua Fudan University Institute of Modern Physics Shanghai 200433 P.R. China

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H. Shen

H. Shen Fudan University Institute of Modern Physics Shanghai 200433 P.R. China

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L. Zhong

L. Zhong Fudan University Institute of Modern Physics Shanghai 200433 P.R. China

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C. Jin

C. Jin Fudan University Research Center for Analysis and Measurement Shanghai 200433 P.R. China

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Y. Mi

Y. Mi Fudan University Institute of Modern Physics Shanghai 200433 P.R. China

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H. Yao

H. Yao Fudan University Institute of Modern Physics Shanghai 200433 P.R. China

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Y. Xie

Y. Xie Institute of High Energy Physics Beijing 100039 P.R. China

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S. Wei

S. Wei National Synchrotron Radiation Laboratory Hefei 230029 P.R. China

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L. Zhou

L. Zhou Fudan University Department of Physics Shanghai 200433 P.R. China

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Pages:: 359–362

Online Publication Date:: 27 Feb 2007

Publication Date:: 01 May 2007

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-007-0529-y

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Abstract

The uptake of rare earth elements (REE) by Euglena gracilis cells has been investigated in Fudan University. The remarkable ability to transport REEs to these cell’s compartments had been observed. X-ray absorption fine structure experiments (XAFS) of cerium in Euglena gracilis were performed at Beijing Synchrotron Radiation Facility (BSRF) to directly determine the cerium valence state and coordination structure in situ. Extended X-ray absorption fine structure (EXAFS) derived calculation showed that cerium was surrounded by 8 N atoms with bond length of 0.258 nm. Combining with other measurements, it may indicate that most likely REEs are mainly located in chlorophyll molecules.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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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)