Eawag, Swiss Federal Institute of Aquatic Science and Technology, Ueberlandstrasse 133, P.O. Box 611, 8600 Duebendorf, Switzerland.
Environ Sci Technol. 2012 Jan 17;46(2):571-9. doi: 10.1021/es203434d. Epub 2011 Dec 20.
Selenium is a natural trace element that is of fundamental importance to human health. The extreme geographical variation in selenium concentrations in soils and food crops has resulted in significant health problems related to deficient or excess levels of selenium in the environment. To deal with these kinds of problems in the future it is essential to get a better understanding of the processes that control the global distribution of selenium. The recent development of analytical techniques and methods enables accurate selenium measurements of environmental concentrations, which will lead to a better understanding of biogeochemical processes. This improved understanding may enable us to predict the distribution of selenium in areas where this is currently unknown. These predictions are essential to prevent future Se health hazards in a world that is increasingly affected by human activities.
硒是一种天然的微量元素，对人类健康至关重要。土壤和农作物中硒浓度的极端地理差异导致了与环境中硒缺乏或过量相关的重大健康问题。为了应对未来的这些问题，必须更好地了解控制硒全球分布的过程。分析技术和方法的最新发展使得能够对环境浓度进行准确的硒测量，这将有助于更好地了解生物地球化学过程。这种改进的理解可能使我们能够预测目前未知地区的硒分布。这些预测对于防止未来人类活动日益受到影响的世界中的硒健康危害至关重要。
