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发明授权
US5700848A Gel compositions prepared from crosslinkable polysaccharides, polycations and/or lipids and uses therefor 失效
由交联性多糖，聚阳离子和/或脂质制备的凝胶组合物及其用途

Gel compositions prepared from crosslinkable polysaccharides, polycations and/or lipids and uses therefor
摘要：
The present invention relates to a new form of biocompatible materials (e.g., lipids, polycations, polysaccharides) which are capable of undergoing free radical polymerization, e.g., by using certain sources of light; methods of modifying certain synthetic and naturally occurring biocompatible materials to make polymerizable microcapsules containing biological material coated with said polymerizable materials, composites of said polymerizable materials, methods of making microcapsules and encapsulating biological materials therein, and apparatus for making microcapsules containing biological cells (particularly islets of Langerhans) coated with polymerizable alginate or with a composite thereof (e.g., alginate and PEG). The present invention also relates to drug delivery systems relating to the foregoing, as well as bioadhesives and wound dressings made utilizing the foregoing technology.
摘要（中）：

本发明涉及能够经历自由基聚合的新形式的生物相容性材料（例如脂质，聚阳离子，多糖），例如通过使用某些光源; 改变某些合成和天然存在的生物相容性材料以制备包含用所述可聚合材料涂覆的生物材料的可聚合微胶囊的方法，所述可聚合材料的复合材料，制备微胶囊的方法和包封生物材料的方法，以及用于制备含有生物细胞（特别是胰岛）的微胶囊的装置 的朗格汉斯），其涂覆有可聚合的藻酸盐或其复合物（例如藻酸盐和PEG）。 本发明还涉及与上述相关的药物递送系统，以及利用上述技术制备的生物粘合剂和伤口敷料。

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