某工业城市新生儿胎便中有毒金属和微量元素的浓度。

Biology of the neonate Pub Date : 2006-01-01 Epub Date: 2005-11-24 DOI:10.1159/000089953
Gulcan Turker, Kivanç Ergen, Yunus Karakoç, Ayşe Engin Arisoy, U Bora Barutcu
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引用次数: 26

摘要

目的:了解某工业城市新生儿胎儿对有毒金属[铅(Pb)、镉(Cd)]的暴露情况及胎儿微量元素[锌(Zn)、铜(Cu)、铁(Fe)]的水平。胎粪矿物含量与父母职业和居住地的关系也进行了测试。方法:采用火焰原子吸收分光光度计测定117例健康新生儿胎粪矿物质含量。结果:胎粪中有毒金属和微量元素的中位数浓度(四分位数范围)为:Pb: 46.5 (1399) μ g/g干重(wt), Cd: 2.3 (55.6) μ g/g干重(wt);Zn: 234(3049)微克/克干wt;铜:11.8 (818.7)μ g/g干wt,铁:105 (2980)μ g/g干wt。所有胎粪样品均含有有毒金属和微量元素。在所测物质浓度高于100 μ g/g干wt的胎粪样品中微量元素的含量为Zn 90%, Cu 64%, Fe 53%。有毒金属浓度与微量元素浓度呈显著正相关。此外,锌、铁水平与父母职业之间,以及铁水平与父母居住地(靠近炼油厂或染料工业)之间也存在正相关。结论:所有胎粪样品均检测出有毒金属,可反映城市环境污染状况。职业环境和家庭居住地点与胎粪中微量元素含量有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Concentrations of toxic metals and trace elements in the meconium of newborns from an industrial city.

Objective: To investigate fetal exposure to toxic metals [lead (Pb), cadmium (Cd)] and fetal levels of trace elements [zinc (Zn), copper (Cu), and iron (Fe)] in newborns from an industrial city. Relationships between meconium mineral contents and parental occupation and location of residence were also tested.

Method: The meconium mineral contents of 117 healthy newborn infants were measured by flame atomic absorption spectrophotometer.

Results: The median concentrations (interquartile range) of toxic metals and trace elements in the meconium were as follows: Pb: 46.5 (1,399) microg/g dry weight (wt), Cd: 2.3 (55.6) microg/g dry wt; Zn: 234 (3,049) microg/g dry wt; Cu: 11.8 (818.7) microg/g dry wt, and Fe 105 (2,980) microg/g dry wt. All the meconium samples contained both toxic metals and trace elements. The proportions of trace elements in the meconium samples with concentration higher than 100 microg/g dry wt of the substances tested were Zn 90%, Cu 64%, and Fe 53%. There were significantly positive correlations between the concentrations of toxic metals and trace elements. Also there were positive correlations between the levels of Zn, Fe, and parental occupations, and between the level of Fe and location of residence of the parents (proximity to the petroleum refinery or the dye industries).

Conclusion: All the meconium samples were positive for toxic metals, and thus may reflect environmental pollution in the city. The occupation environments and the location of the family residence are linked with levels of trace elements in meconium.

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