Poly-α,β-DL-aspartic acid is known as a green chelant of various metal ions. To provide a novel nanochelant for treating Pb(II) poisoning, poly-α,β-DL-aspartic acid was modified with L-Cys to form poly-α,β-DL-aspartyl-L-cysteine (PDC; MW, 27273). DL-Asp was converted into polysuccinimide through a thermal polycondensation, and the amidation of… (More)
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