Abstract
The labeling behavior of cysteine with99TcO −4 ion and/or99mTcO −4 ion at different cysteine concentrations reductant and pH values has been studied by chromatography, and the labeling yield was calculated. Three major Tc-complexes, yellow, reddish brown and green can be separated by gel filtration chromatography (GFC). Thin layer chromatography (TLC), high performance liquid chromatography (HPLC) and ion-exchange chromatography (IC) were used to separate the complexes collected from GFC. The TLC, HPLC data show the pertechnetate accompanied with a yellow complex; the green and purple complex contain more than two complexes. Electrophoresis and IC data show that the complexes carry a negative charge. The conductivity, UV-VIS, flow beta-detector with HPLC and autoradiography are also applied to analyze complex formation.
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Wang, AY., Lin, JL., Lo, JG. et al. Chemical characterization of complexation behavior of pertechnetate with cysteine. Journal of Radioanalytical and Nuclear Chemistry, Articles 159, 129–144 (1992). https://doi.org/10.1007/BF02041026
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DOI: https://doi.org/10.1007/BF02041026