| On the "artificial" nature of Tc and the "carrier-free" nature of 99mTc from 99Mo/99mTc generators. | |
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MedLine Citation:
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PMID: 15866445 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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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 (99m)Tc from (99)Mo/(99m)Tc 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 (99g)Tc carrier present in (99m)Tc preparations from generators, the Isotope Dilution Factor (IDF) is used and calculated for some practical situations. |
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Authors:
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Zeev B Alfassi; Flavia Groppi; Mauro L Bonardi; Jeroen J M de Goeij |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine Volume: 63 ISSN: 0969-8043 ISO Abbreviation: Appl Radiat Isot Publication Date: 2005 Jul |
Date Detail:
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Created Date: 2005-05-03 Completed Date: 2005-09-26 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9306253 Medline TA: Appl Radiat Isot Country: England |
Other Details:
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Languages: eng Pagination: 37-40 Citation Subset: - |
Affiliation:
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Department of Nuclear Engineering, Ben Gurion University, Beer Sheva, 84105, Israel. alfassi@bgumail.bgu.ac.il |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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