کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10730545 | 1042598 | 2005 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
On the “artificial” nature of Tc and the “carrier-free” nature of 99mTc from 99Mo/99mTc generators
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
تشعشع
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: On the “artificial” nature of Tc and the “carrier-free” nature of 99mTc from 99Mo/99mTc generators On the “artificial” nature of Tc and the “carrier-free” nature of 99mTc from 99Mo/99mTc generators](/preview/png/10730545.png)
چکیده انگلیسی
Two widespread misconceptions regarding Tc are dealt with. First, it is shown that although primordial Tc has decayed completely, Tc is still present in nature due to natural processes, in addition to substantial man-made quantities. Thus, Tc cannot be considered as a purely artificial element. Second, it is shown that 99mTc from 99Mo/99mTc generators is certainly not carrier-free (CF) and that, “no-carrier-added” (NCA) is a more appropriate designation. As a quantitative measure of the amount of long-lived 99gTc carrier present in 99mTc preparations from generators, the Isotope Dilution Factor (IDF) is used and calculated for some practical situations.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Radiation and Isotopes - Volume 63, Issue 1, July 2005, Pages 37-40
Journal: Applied Radiation and Isotopes - Volume 63, Issue 1, July 2005, Pages 37-40
نویسندگان
Zeev B. Alfassi, Flavia Groppi, Mauro L. Bonardi, Jeroen J.M. de Goeij,