The biological distributions of some technetium-MDP components isolated by anion exchange high performance liquid chromatography |
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| Authors: | S Tanabe J P Zodda K Libson E Deutsch W R Heineman |
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| Affiliation: | 1. Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz 51666-14766, Iran;2. School of Chemistry and BIO-21 Molecular Science Institute, University of Melbourne, Parkville, Victoria 3010, Australia;3. Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran;4. Kimia Idea Pardaz Azarbayjan (KIPA) Science Based Company, Tabriz University of Medical Sciences, Tabriz, Iran |
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| Abstract: | Individual components of 99mTc(NaBH4)-MDP mixtures, separated by anion exchange HPLC, have been evaluated as skeletal imaging agents in rats. Biodistribution data show that the evaluated components exhibit markedly different bone uptakes and soft tissue localizations. The component with the highest bone uptake and the highest bone/muscle and bone/blood ratios, is the major component of carrier-added 99mTc(NaBH4)-MDP formulations prepared at pH 8.2. Comparative scintiphotos illustrate the enhanced imaging performance of this component vs unseparated reaction mixtures. |
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