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  • Title: Synthesis, biodistribution and quantitative structure-activity relationship studies of new 99mTc labeled pseudo-peptide complexes.
    Author: Zhang H, Dai M, Qi C, Li B, Guo X.
    Journal: Appl Radiat Isot; 2004 May; 60(5):643-51. PubMed ID: 15082041.
    Abstract:
    Twelve new peptide or pseudo-peptide chelators have been synthesized in the course of our continuing investigation of 99mTc-labelled peptides for application for renal imaging agents. All compounds were characterized on the basis of, IR, 1HNMR, 13CNMR spectroscopy, as well as MS and elemental analysis. All peptides yield stable 99mTc complexes using Sn(II) reactive coupling and exhibit renal uptake. Linear regression analysis between Logarithm of renal uptake value (RU) and the parameters obtained by the ZINDO/1 method was performed. Some equations were obtained which showed that molecular polar and charge have some relationship with their renal uptake.
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