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METHOD FOR PREPARING BIOCOMPATIBLE PARTICLE WITH MULTI-CORE STRUCTURE AND BIOCOMPATIBLE PARTICLE WITH MULTI-CORE STRUCTURE PREPARED BY THE SAME
专利权人:
한국유나이티드제약 주식회사;KOREA UNITED PHARM. INC.;한남대학교 산학협력단;HANNAM UNIVERSITY INSTITUTE FOR INDUSTRY-ACADEMIACOOPERATION
发明人:
YUK, SOON HONG,육순홍,JUNG, WON TAE,정원태,CHOI, YOUN WOONG,최연웅,CHO, SANG MIN,조상민,JANG, JAE SANG,장재상,PARK, JIN HA,박진하
申请号:
KR1020100108331
公开号:
KR1020120046595A
申请日:
2010.11.02
申请国别(地区):
KR
年份:
2012
代理人:
摘要:
PURPOSE: A method for preparing biocompatible particles with a multi-core structure is provided to enhance stability in a solution and to ensure anti-cancer effect. CONSTITUTION: A method for preparing biocompatible particles with a multi-core structure comprises: a step of mixing polyethylene glycol of chemical formula 1(HO-(CH_2-CH_2-O)n-H), drug, PEO-PPO-PEO triblock copolymer(poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) triblock copolymer), and biocompatible polymers of PLGA(poly(lactide-coglycolide)), PCL(poly caprolactone), PLA(poly(lactic acid)), or PGA(poly(glycolic acid)) to prepare nanoparticles; a step of preparing lecithin with 10-30 wt% of solution and treating by sonication to prepare a nanoparticle solution; and a step of mixing the nanoparticles with the solution.본 발명에 따른 멀티-코어 구조를 갖는 생체적합성 입자는 나노입자의 융합현상을 이용하여 제조됨으로써, 수용액에서의 안정성을 증가시키며 약물의 용해도에 상관없이 약물 방출율을 자유로이 조절하여 지속적인 약물 방출 형태를 나타내고, 약물의 함유 유무에 상관없이 우수한 항암효과를 나타낸다. 따라서, 본 발명에 따른 멀티-코어 구조를 갖는 생체적합성 입자는 약물전달체로 유용하게 사용될 수 있다.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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