Study of the correlation of trace elments in human hair and internal organs by NAA

Guisun Zhuang; Yuandi Cheng; Mingguang Tan; Yinson Wang; Min Zhi

doi:10.1007/bf02062058

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 149: Issue 2

Study of the correlation of trace elments in human hair and internal organs by NAA

Authors:

Guisun Zhuang

Guisun Zhuang Academia Sinica Shanghai Institute of Nuclear Research P.O. Box 8204 201 849 Shanghai (People's Republic of China)

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Yuandi Cheng

Yuandi Cheng Academia Sinica Shanghai Institute of Nuclear Research P.O. Box 8204 201 849 Shanghai (People's Republic of China)

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Mingguang Tan

Mingguang Tan Academia Sinica Shanghai Institute of Nuclear Research P.O. Box 8204 201 849 Shanghai (People's Republic of China)

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Yinson Wang

Yinson Wang Academia Sinica Shanghai Institute of Nuclear Research P.O. Box 8204 201 849 Shanghai (People's Republic of China)

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, and

Min Zhi

Min Zhi Academia Sinica Shanghai Institute of Nuclear Research P.O. Box 8204 201 849 Shanghai (People's Republic of China)

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Pages:: 305–315

Online Publication Date:: 14 Aug 2005

Publication Date:: 17 Jun 1991

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02062058

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Abstract

24 male autopsy cases aged 35–60 years have been collected from Shanghai China to study the relationships between human hair and internal tissues. Autopsy samples of hair, kidney-cortex, liver and lung were analyzed. A radiochemical neutron activation analysis (RNAA) based on a simple group extraction scheme was used for measuring the trace elements As, Cd, Hg, Cu and Zn. Zinc diethyldithiocarbamate Zn(DDC)₂ and methly isobutyl ketone-iodide have been chosen as reagent. Trace element of Se was determined by instrumental neutron activation analysis (INAA). A SLOWPOKE reactor with a thermal neutron flux of 8·10¹¹ n·cm^–2·s^–1 and a swimming pool type reactor with a thermal neutron flux of 1·10¹³ n·cm^–2·s^–1 were used for short and long irradiation of samples, respectively. The reliability of methods has been checked by analyzing biological standard reference materials Horse Kidney (IAEA H8), Tomato Leaves (NBS 1573) and Human Hair (NIES-5). The analytical results show that toxic elements As, Cd and Hg exist in a larger individual variability than the essential elements of Cu, Se and Zn for each tissue. A linear regression analysis related to the six elements of primary interest for the IAEA Coordinated Research Program (CRP) has been done by a computer program for each pair of hair-tissue. A positive correlation is found between concentration of As in hair and kidney-cortex, the correlation coefficient r is 0.751 (p<0.01). Positive correlations between concentration of Se in hair and liver, kidney-cortex and lung are also observed in this study. It shows that the elements As and Se in hair may be useful indicators for assessing certain internal tissues of normal persons. A comparison of Cd concentration in lung shows a significant difference between smokers and non-smokers. A significant correlation between element Cd and Zn in kidney-cortex is also presented in this paper.

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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)