Abstract
Various methods were experimented to obtain complex of L-asparagine with99mTc. The VII state of Tc was reduced with direct reduction by SnCl2 and complex compound could not be obtained. For this reason, ligand exchange with99mTc-gluconate complex was tried and 20% yield was obtained.99mTc-pyrophosphate complex was carred out as second ligand exchanger and 50% yield was obtained in this experiment. Optimum conditions for ligand exchange with pyrophosphate are pH 11,50°C temperature, 60 minutes for reaction time and 278: 1 for pyrophosphate concentration to SnCl2 ratio.
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Yurt, F., Ünak, P. Preparation of L-asparagine complex of technetium-99m. J Radioanal Nucl Chem 220, 121–124 (1997). https://doi.org/10.1007/BF02035362
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DOI: https://doi.org/10.1007/BF02035362