碘-125放射自显影片中的无限厚度

Infinite thickness in autoradiographs of iodine-125.

作者信息

Williams M A

机构信息

Department of Biomedical Science, University of Sheffield.

出版信息

J Microsc. 1988 Aug;151(Pt 2):127-31. doi: 10.1111/j.1365-2818.1988.tb04619.x.

DOI:10.1111/j.1365-2818.1988.tb04619.x

PMID:3216384

Abstract

Infinite thickness for iodine-125 in autoradiographs was measured by autoradiography using four types of nuclear emulsion. Using Ilford K5, Kodak AR 10 and Hyperfilm-3H, a value of 20 microns was obtained. Using Hyperfilm Betamax, infinite thickness was greater than 60 microns. The results are discussed in relation to the types of radiation emitted as a result of iodine-125 decay and in relation to published image spread data for this radioisotope.

摘要

利用四种类型的核乳胶通过放射自显影法测量了放射自显影片中碘-125的无限厚度。使用伊尔福K5、柯达AR 10和Hyperfilm - 3H时，得到的值为20微米。使用Hyperfilm Betamax时，无限厚度大于60微米。结合碘-125衰变产生的辐射类型以及该放射性同位素已发表的图像扩散数据对结果进行了讨论。