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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Jin-Chul (Department of Chemical Engineering and Bioprocess Engineering Research Center, Korea Advanced Institute of Science and Technology) Lee, Eun-Ok (Department of Chemical Engineering and Bioprocess Engineering Research Center, Korea Advanced Institute of Science and Technology) Yang, Ji-Won (Department of Chemical Engineering and Bioprocess Engineering Research Center, Korea Advanced Institute of Science and Technology) Choe, Tae-Boo (Department of Microbial Engineering, University of Konkuk) Kim, Jong-Duk (Department of Chemical Engineering and Bioprocess Engineering Research Center, Korea Advanced Institute of Science and Technology)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제18권 제2호
발행연도
1995.1
수록면
84 - 89 (6page)

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The complexation and physical characteristics of egg phosphatidylcholine (PC) liposome containing amphotericin B(AmB) were investigated through circular dichrosim(CD) spectra, the size distribution, the turbidity change, and the calcein release. CD spectra of AmB-containing egg PC mxture exhibited a positive peak around 330 nm indicative of complexation of AmB and four negative peaks. The positive peak increased up to $2.2{\;}millidegree/{\mu}g$ AmB as AmB contents increased up to 12% (w/w), suggesting that AmB-phospholipid complexation was promoted by the antibiotics. The effective diameter of liposomesa by dynamic light scattering decreased from 450 nm to 220 nm as the amount of AmB in liposomes increased from o to 30% (w/w). The complexation may be responsible for the reduction in size. On the other hand, at around 1 mN deoxycholate (DOC), the reltive turbidities of 5 and 10% (w/w) AmB-containing liposome suspension were less than 1 probably due to the soblubilization of the complex, while those of pure PC liposome suspension were larger than 1 at the same concentration. Deoxycholate-induced release of liposomes, indicating the intercalation of the drug into the bilayers. Therefore, it is concluded that in AmB/eggPC/water system, AmB-phospholipid complexcoexists with AmB-containing liposomes.

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