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	Rare earth elements in human hair from a mining area of China
	Liang T.
	2013
关键词	Rare earth element Human hair Baiyunebo mining area Accumulation neutron-activation analysis blood toxicity exposure rats mine
英文摘要	Rare earth minerals have been mined for more than 50 years in Inner Mongolia of China. In the mining area rare earth elements (REE) may be significantly accumulated in humans. Therefore, the aim of this paper is to characterize the REE concentrations in hair of local residents. REE concentrations in hair of 118 subjects were determined. The results showed that the mean concentrations of the determined REE in the hair of both females and males were usually higher from mining area than from control area. The mean concentrations of all the fifteen REE were much higher in hair of males than in hair of females from mining area. This suggested that males might be more sensitive to REE than females. In addition, the mean contents of the REE in hair of miners, particularly light REE (La, Ce, Pr and Nd), were usually much higher than the values in hair of non-miners from both mining area and control area, indicating that the miners were exposed to higher concentrations of REE in occupational environment. Among age groups, the relationships between REE concentrations and age groups showed that more and more concentrations of light REE accumulated in body of both females and males with age until 60 years, while heavy REE concentrations decreased with age in males who were exposed to low concentrations of heavy REE. (C) 2013 Elsevier Inc. All rights reserved.
出处	Ecotoxicology and Environmental Safety
卷	96
页	118-123
收录类别	SCI
语种	英语
ISSN号	0147-6513
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/30171]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Liang T.. Rare earth elements in human hair from a mining area of China. 2013.

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