中国成年男子全血及器官组织中稀土元素分布模式  

Distribution patterns of 15 rare elements in the organs and tissues of chinese adult men

作　　者：解清[1] 诸洪达[2] 王小燕[1] 欧阳荔[1] 张经华[3] 刘洋[3] 王京宇[1] 

机构地区：[1]北京大学公共卫生学院,北京100083 [2]中国医学科学院放射医学研究所,天津300192 [3]北京市理化分析测试中心,北京100089

出　　处：《现代仪器》2008年第1期23-26,共4页Modern Instruments

基　　金：国家自然科学基金资助(39970234)

摘　　要：在我国四个不同膳食类型地区(河北省、山西省、江苏省和四川省)采集16例急死正常成年男子尸体的心脏血、肝脏、脾脏、睾丸、肋骨5种器官组织样品。采用湿法消解,用ICP-MS法测定其15种稀土元素分量,它在器官组织中的蓄积浓度分别为肝(318.8ng/g)>肋骨(107.9ng/g)>睾丸(30.2ng/g)>脾脏(24.6 ng/g)>血(3.3 ng/mL);除血和肋骨中的La、Ce外,其余13种稀土元素在上述组织器官的分布模式均符合奥多-哈尔金斯定律;经球粒陨石归一化处理稀土元素在组织器官中的分布模式均存在轻稀土富集重稀土亏损(LaN/SmN>1和GdN/YbN>1)。The present study was designed to determine the 15 rare element contents in the blood, liver, spleen, testis and rib of 16 Chinese adult men. All the samples were obtained from healthy adult men who encountered sudden deaths in the 4 areas with different dietary patterns in China （ Hebei, Shanxi, Jiangsu and Sichuan provinces）. Mixed acid （HNO3 ：HClO4） was added into samples, digested at room temperature over night, then were heated at 180℃. The contents of 15 Rees in all the individual samples were determined by using ICP-MS. The concentrations of 15 Rees in liver, rib, testis, spleen and blood are 318.8ng/g, 107.9ng/g, 30.2ng/g, 24. 6 ng/g and 3.3 ng/mL, respectively. The distribution patterns of 15 Rees in the 5 kinds of organs and tissues had similar characteristics, accumulation in Light REEs and deficit in Heavy REEs（LaN/SmN 〉 1 and GdN/YbN 〉 1 ）.

关 键 词：稀土元素 器官组织 分布模式 人体 

分 类 号：O614.33[理学—无机化学]