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Controlled Release of Cyclosporin A from Liposomes-in-Microspheres as an Oral Delivery System
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  • Controlled Release of Cyclosporin A from Liposomes-in-Microspheres as an Oral Delivery System
  • Controlled Release of Cyclosporin A from Liposomes-in-Microspheres as an Oral Delivery System
저자명
Park. Hee-Jung,Lee. Chang-Moon,Lee. Yong-Bok,Lee. Ki-Young
간행물명
Biotechnology and bioprocess engineering
권/호정보
2006년|11권 6호|pp.526-529 (4 pages)
발행정보
한국생물공학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

The aim of this study was to prepare cyclosporin A-loaded liposome (CyA-Lip) as an oral delivery carrier, with their encapsulation into microspheres based on alginate or extracellular polysaccharide (EPS) p-m10356. The main advantage of liposomes in the microspheres (LIMs) is to improve the restricted drug release property from liposomes and their stability in the stomach environment. Alginate microspheres containing CyA-Lip were prepared with a spray nozzle; CyA-Liploaded EPS microspheres were also prepared using a w/o emulsion method. The shape of the LIMs was spherical and uniform, and the particle size of the alginate-LIMs ranged from 5 to $10;{mu}m$, and that of the EPS-LIMs was about $100;{mu}m$. In a release test, release rate of CyA in simulated intestinal fluid (SIF) from the LIMs was significantly enhanced compared to that in simulated gastric fluid (SGF). In addition, the CyA release rates were slower from formulations containing the liposomes compared to the microspheres without the liposome. Therefore, alginate-and EPS-LIMs have the potential for the controlled release of CyA and as an oral delivery system.