作者: Zemphira Alavidze , Ramaz Katsarava
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摘要: The present invention provides bioerodable constructs for controlled release of bioactive materials. In a preferred mode, the may be utilized adjacent to biological surface. are based on blend two or more poly(ester-amide) polymers (PEA). Such prepared by polymerization diol (D), dicarboxylic acid (C) and an alpha-amino (A) through ester amide links in form (DACA)n. An example (DACA)n polymer is shown below formula II. Suitable amino acids include any natural synthetic acid, preferably neutral acids.