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N-스테아릴락토비온아미드의 합성과 이를 이용한 리포좀의 제조
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  • N-스테아릴락토비온아미드의 합성과 이를 이용한 리포좀의 제조
  • Synthesis of N-Stearyl lactobionamide(N-SLBA) and Preparation of Neo-galactosylated Liposome
저자명
김종국,민미홍,민경희,나운용,이봉진,김양배,Kim. Chong-Kook,Min. Mi-Hong,Min. Kyoung-Hee,Lah. Woon-Ryong,Lee. Bong-Jin,Kim. Yang-Bae
간행물명
약학회지
권/호정보
1992년|36권 2호|pp.159-166 (8 pages)
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대한약학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A neoglycolipid, N-stearyl lactobionamide(N-SLBA) was synthesized and the incorporation of the neoglycolipid into liposomes was achieved in order to prepare neo-galactosylated liposome as potential drug carrier for active targeting to galactose receptor existing cell and tissue. N-SLBA was synthesized by the covalent linkage between carboxyl group of lactobionic acid and amino group of stearylamine(SA). The yield of N-SLBA was about 52.3%. It was identified with $1650;cm^{-1}$ in IR chart, 7.5 ppm in NMR spectra, $61^{circ}C$ endothermic peak in DSC heating curve. Surface-modified large unilamellar vesicle with galactose(N-SLBA-LUV) could be prepared with N-SLBA by reverse evaporation method. N-SLBA-LUV was identified by TEM and measuring of membrane function. The maximum amount of N-SLBA incorporated into liposome is up to about 15 mol%. Compared with control liposome (SA-LUV), N-SLBA-LUV showed lower encapsulation efficiency of MTX. It might due to the loss of positive surface charge of stearylamine. N-SLBA-LUV was similar to SA-LUV in aspect of osmotic behavior. N-SLBA-LUV prepared with N-SLBA would be expected to be a good carrier for active targeting to galactose receptor existing cell and tissue.