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An improved synthesis and preliminary biodistribution study of a technetium-99m-labeled2-amino-2-deoxy(thioacetyl)-D-glucose complex ([ 99mTc]-TA-DG) as a tumor imaging agent
, Article Iranian Journal of Nuclear Medicine ; Volume 15, Issue 28 , 2007 , Pages 43-48 ; 16812824 (ISSN) ; Sadeghzadeh, M ; Charkhlooie, G ; Haghir Ebrahimabadi, K ; Saeedi, M. R ; Sharif University of Technology
2007
Abstract
Introduction: This report describes the synthesis of 2-Amino-2-deoxy(S- benzoylthioacetyl)-D-glucose (S-Bz-TA-DG), radiolabeled with [ 99mTc(CO)3(OH2)3]+ complex with a procedure including deprotection of the benzoyl group, characterization by HPLC using a C18 reverse phase column and preliminary biodistribution study in normal mice. Methods: [99mTc(CO) 3(H2O)3]+ complex was used to label TA-DG with 99mTc. This complex was prepared using up to 46 mCi of Na99mTcO4 in 1mL saline. The radiochemical purity (>95%) was determined by TLC in normal saline solution as the mobile phase. Radio-HPLC analysis of [99mTc]-(TA-DG) at pH=9.5-10, revealed that labeling with 99mTc resulted in the formation of...