Biodegradable poly(β-amino esters) and uses thereof
    28.
    再颁专利
    Biodegradable poly(β-amino esters) and uses thereof 有权
    可生物降解的聚(β-氨基酯)及其用途

    公开(公告)号:USRE43612E1

    公开(公告)日:2012-08-28

    申请号:US12568481

    申请日:2009-09-28

    摘要: Poly(β-amino esters) prepared from the conjugate addition of bis(secondary amines) or primary amines to a bis(acrylate ester) are described. Methods of preparing these polymers from commercially available starting materials are also provided. These tertiary amine-containing polymers are preferably biodegradable and biocompatible and may be used in a variety of drug delivery systems. Given the poly(amine) nature of these polymers, they are particularly suited for the delivery of polynucleotides. Nanoparticles containing polymer/polynucleotide complexes have been prepared. The inventive polymers may also be used to encapsulate other agents to be delivered. They are particularly useful in delivering labile agents given their ability to buffer the pH of their surroundings. A system for preparing and screening polymers in parallel using semi-automated robotic fluid delivery systems is also provided.

    摘要翻译: 描述了从双(仲胺)或伯胺向双(丙烯酸酯)共轭加成制备的聚(&(bgr。 - 氨基酯))。 还提供了从市售的原料制备这些聚合物的方法。 这些含叔胺的聚合物优选是可生物降解的和生物相容的并且可以用于各种药物递送系统中。 鉴于这些聚合物的聚(胺)性质,它们特别适用于递送多核苷酸。 已经制备了含有聚合物/多核苷酸复合物的纳米颗粒。 本发明的聚合物也可以用于包封待递送的其它试剂。 考虑到缓冲其周围环境的pH值,它们特别适用于提供不稳定剂。 还提供了使用半自动机器人流体输送系统并行制备和筛选聚合物的系统。