RADIOASSAYS OF Y-90 USED IN NUCLEAR-MEDICINE

被引：38

作者：

COURSEY, BM

CALHOUN, JM

CESSNA, JT

机构：

[1] Ionizing Radiation Division, Physics Laboratory, NIST, Gaithersburg

来源：

NUCLEAR MEDICINE AND BIOLOGY | 1993年 / 20卷 / 05期

关键词：

D O I：

10.1016/0969-8051(93)90040-2

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Yttrium-90 radioassays are required in nuclear medicine at the gigabecquerel activity level (GBq) for measuring injected activity, and at the becquerel level for measuring individual tissue samples in biodistribution studies. A method of standardizing Y-90 for activity using high-efficiency liquid-scintillation counting is described. Solution standards were used to establish the calibration factors for commercial radionuclide calibrators. Detection efficiencies are also presented for liquid-scintillation counting, NaI(Tl) bremsstrahlung counting and Cerenkov counting.

引用

页码：693 / 699

页数：7

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