用中子活化分析法准确分析人粪便中的稳定同位素68Zn、70Zn和58Fe。

Accurate analysis of stable isotopes 68Zn, 70Zn, and 58Fe in human feces with neutron activation analysis.

作者信息

Janghorbani M, Ting B T, Young V R

出版信息

Clin Chim Acta. 1980 Nov 20;108(1):9-24. doi: 10.1016/0009-8981(80)90287-9.

Abstract

Accurate isotopic analysis of human fecal samples is discussed in relation to mineral bioavailability studies of human subjects. It is shown that for bioavailability investigations of Zn and Fe, the method of neutron activation analysis is suitable for routine application to clinical experiments; and the human fecal samples resulting from diet suitably enriched in isotopes 70Zn and 58Fe can be routinely analyzed with relative precisions of about 1% for the isotopes 68Zn, 70Zn and 58Fe.

摘要

关于人体受试者的矿物质生物利用度研究，讨论了人类粪便样本的准确同位素分析。结果表明，对于锌和铁的生物利用度研究，中子活化分析方法适用于临床实验的常规应用；饮食中适当富集同位素70Zn和58Fe的人类粪便样本，对于同位素68Zn、70Zn和58Fe可进行常规分析，相对精度约为1%。