[1]童永彭,郝昕,孙慧斌,等.海滨城市婴儿铅来源的抽样分析[J].深圳大学学报理工版,2014,31(3):273-278.[doi:10.3724/SP.J.1249.2014.03273]
 Tong Yongpeng,Hao Xin,Sun Huibin,et al.Sampling analysis of lead inside newborns from one coastal city[J].Journal of Shenzhen University Science and Engineering,2014,31(3):273-278.[doi:10.3724/SP.J.1249.2014.03273]
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海滨城市婴儿铅来源的抽样分析()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第31卷
期数:
2014年第3期
页码:
273-278
栏目:
环境与能源
出版日期:
2014-05-20

文章信息/Info

Title:
Sampling analysis of lead inside newborns from one coastal city
文章编号:
201403009
作者:
童永彭1郝昕1孙慧斌1冯晋兴2刘晓红2陈建敏3
1)深圳大学物理科学与技术学院,深圳 518060
2)深圳市儿童医院,深圳 518026
3)安捷伦科技(中国)有限公司,上海 200080
Author(s):
Tong Yongpeng1 Hao Xin1 Sun Huibin1 Feng Jinxing2 Liu Xiaohong2 and Chen Jianmin3
1) College of Physical Science and Technology, Shenzhen University, Shenzhen 518060, P.R.China
2) Children’s Hospital of Shenzhen, Shenzhen 518026, P.R.China
3) Agilent Technologies (China) Co., Ltd., Shanghai 200080, P.R.China
关键词:
环境毒理学X射线荧光光谱分析电感耦合等离子体质谱分析婴儿毛发脐血海洋重金属污染滨海城市
Keywords:
environmental toxicology X-ray fluorescence (XRF) analysis inductively coupled plasma mass spectrometry (ICP-MS) analysis fetal hair umbilical cord blood lead heavy metal pollution in marine coastal city
分类号:
R 122.1;R 994.6
DOI:
10.3724/SP.J.1249.2014.03273
文献标志码:
A
摘要:
用电感耦合等离子体质谱(inductively coupled plasma mass spectrometry, ICP-MS)测量某海滨城市50例胎儿脐血中铅(Pb)质量浓度,发现Pb超标(>100 μg/L)为8%. 根据婴儿母体是否常食用海产品,将50例样品分为常食用海产品(A组)、偶尔食用海产品(B组)和极少食用海产品(C组), 用X射线荧光光谱分析(X-ray fluorescence, XRF)测量这3组婴儿毛发中的Pb质量分数,发现婴儿毛发中Pb质量分数具有显著性差异,由高至低依次为A组>B组>C组,其相应的脐血Pb质量分数也具有相同特征. 同时对婴儿中的溴(Br)质量分数也进行了测量,发现Pb质量分数高的婴儿,其Br质量分数也显著偏高,由于海产品中Br质量分数远高于淡水产品,从另一方面说明,常食用海产品组的婴儿Pb质量分数偏高与母亲食用海产品有关 . 此外,对同一海滨城市393例儿童(2~11岁)血液中Pb质量分数进行统计学分析,得出Pb超标(>100 μg/L)为8.9%,说明海滨城市Pb污染仍对儿童具有一定的威胁. 最后,通过对环境中常见的铅源(PM2.5、大气、油漆和海产品等)及人体摄入状况进行分析比较,认为食用铅污染的海产品是造成海滨城市胎儿铅超标的主要原因之一.
Abstract:
The concentration of 50 cases of coastal city fetal umbilical cord blood lead (Pb) level was analyzed by inductively coupled plasma mass spectrometry (ICP-MS). The results showed that about 8% of them exceeded the current blood lead standard (> 100 μg/L). Meanwhile, the 50 cases were divided into three groups as such: regular consumption of seafood (group A ), occasional consumption of seafood ( group B), and rare consumption of seafood ( group C) for analysis, respectively. The mass fraction of lead from fetal hair was analyzed by synchrotron radiation micro-XRF analysis. The results showed that lead content was significantly different in the groups and the trend of baby hair Pb content was as A> B> C group. The corresponding cord blood Pb levels also have the same trend. Bromine (Br) content was also measured and the result showed that the group with high level of Pb also had a high level of Br. As Br content is much higher in seafood than in freshwater products, the high Pb content with high Br content may be associated with the consumption of seafood. At the same time, blood Pb levels of 393 cases of children (from 2 to 11 years old ) in the same coastal city were statistically analyzed, and the result showed that 8.9% of them exceeded the current blood lead standard (> 100 μg/L). The above tests indicate that Pb pollution still threaten the health of children. Finally, through the comparison of common main sources of lead in the environment (PM2.5, air, paint, seafood, etc.) as well as in combination with human intake conditions, it is concluded that lead-contaminated seafood consumption is the main reason of coastal city of fetal lead excess.

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备注/Memo

备注/Memo:
Received:2014-02-16;Accepted:2014-04-23
Foundation:National Natural Science Foundation of China (11375117); Shenzhen Public Scientific and Technological Project (SY200806270164A); Open Laboratory Fundation of SSRF (Shanghai Synchrotron Radiation Facility) (08sr0107)
Corresponding author:Professor Tong Yongpeng.E-mail: yongpeng@szu.edu.cn
Citation:Tong Yongpeng, Hao Xin, Sun Huibin, et al.Sampling analysis of lead inside newborns from one coastal city[J]. Journal of Shenzhen University Science and Engineering, 2014, 31(3): 273-278.(in Chinese)
基金项目:国家自然科学基金资助项目(11375117);深圳市科创委基础研究资助项目(SY200806270164A);上海光源国家实验室开放课题(08sr0107)
作者简介:童永彭(1963—),男(汉族),江西省赣县人,深圳大学教授.E-mail:yongpeng@szu.edu.cn
引文:童永彭,郝昕,孙慧斌,等.海滨城市婴儿铅来源的抽样分析[J]. 深圳大学学报理工版,2014,31(3):273-278.
更新日期/Last Update: 2014-05-02