Journal
APPLIED RADIATION AND ISOTOPES
Volume 68, Issue 1, Pages 101-104Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2009.08.019
Keywords
[(TcN)-Tc-99m](2+) core; Aromatic group; Dithiocarbamate; Cerebral imaging
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Funding
- National Natural Science Foundation of China [20771018]
- Beijing Normal University
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In the present study, the N-benzyl dithiocarbamate (BZDTC) was synthesized and radiolabeled with [(TcN)-Tc-99m](2+) intermediate to form the bis(N-benzyl dithiocarbamato) nitrido technetium-99m complex [(TcN)-Tc-99m(BZDTC)(2)]. The radiochemical purity of the complex was over 90% by thin layer chromatography (TLC) and high performance liquid chromatography (HPLC). It was stable over 6 h at room temperature. The partition coefficient and electrophoresis results indicated that this complex was lipophilic and neutral. Biodistribution in mice showed that the complex accumulated in the brain with high uptake. The brain uptake (ID%/g) was 1.87,1.21 and 0.85 and the brain/blood ratio was 0.75,1.55 and 1.12 at 5.30 and 60 min post-injection, respectively. These results suggest that this complex could be a potential brain perfusion imaging agent. (C) 2009 Elsevier Ltd. All rights reserved.
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