采用中子活化分析法（NAA）和电感耦合等离子体发射光谱法（ICP-AES）测定人脑内的主元素和微量元素含量。
Determination of main and trace element contents in human brain by NAA and ICP-AES methods.
作者信息
Andrási E, Nádasdi J, Molnar Z, Bezur L, Ernyei L
机构信息
Institute of Inorganic and Analytical Chemistry, L. Eötvös University, Budapest.
出版信息
Biol Trace Elem Res. 1990 Jul-Dec;26-27:691-8. doi: 10.1007/BF02992725.
A study was undertaken to determine the average values for elements in normal human brain (11 individuals, age group 65-75). Twelve brain parts were selected from both hemispheres. Determinations were carried out by NAA and ICP-AES. The main elements (Na, K, Mg, Ca, Fe, P, S) and trace elements (Al, B, Co, Cr, Cu, Mn, Ni, Pb, Zn) were investigated. Quality control was ensured by using NBS Bovine Liver SRM. The results obtained with independent methods were compared, and the data show a good correlation. On the basis of these investigations, the regional distribution of elements can be given.
进行了一项研究以确定正常人类大脑（11名个体，年龄在65 - 75岁之间）中元素的平均值。从两个半球选取了12个脑区。通过中子活化分析（NAA）和电感耦合等离子体发射光谱法（ICP - AES）进行测定。对主要元素（钠、钾、镁、钙、铁、磷、硫）和微量元素（铝、硼、钴、铬、铜、锰、镍、铅、锌）进行了研究。通过使用美国国家标准局（NBS）牛肝标准参考物质（SRM）确保质量控制。比较了用独立方法获得的结果，数据显示出良好的相关性。基于这些研究，可以给出元素的区域分布情况。
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