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논문 기본 정보

자료유형
학술저널
저자정보
한수민 (충남대학교) 나영국 (충남대학교) 이한솔 (충남대학교) 손기호 (충남대학교) 전성훈 (충남대학교) 방기현 (충남대학교) 김성진 (충남대학교) 이혜진 (충남대학교) 조정원 (충남대학교)
저널정보
한국약제학회 Journal of Pharmaceutical Investigation Journal of Pharmaceutical Investigation 제48권 제5호
발행연도
2018.9
수록면
595 - 601 (7page)
DOI
10.1007/s40005-017-0358-0

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The aim of this study was to prepare the liposome with 1,2-distearoyl-sn-glycero-3-phosphocholine, 1.2 dioleoyl-sn-glycero-3-phosphoethanolamine, cholesteyl hemisuccinate, calcein as a drug model and evaluate physicochemical characteristics such as particle size, polydispersity index (PDI), encapsulation efficiency (EE). Also, the morphology of the blank liposome (without calcein) and the calcein-loaded liposome was observed by a transmission electron microscope (TEM). The particle size and PDI of the blank liposome and the calcein-loaded liposome without tween 80 were 139.8 ± 4.497, 0.31 ± 0.03 and 150.8 ± 8.45, 0.29 ± 0.03 nm, respectively. In addition, it was confirmed that the particle size of the calcein-loaded liposome increased from 294. 6 ± 17.8 to 466.4 ± 78.4 nm when tween 80 was used from 1 to 6%. EE of the calcein-loaded liposome was 66.0 ± 0.58%, independent of the concentration of tween 80. TEM images showed that the shape of the blank liposome and the calcein-loaded liposome was round. In vitro drug release test, calcein from the liposome released approximately 20?25 and 40?50% in pH 7.4 and 4.0, respectively, with a sustained release pattern. The cellular uptake of calcein from the calcein-loaded liposome was about 1.08-fold than that from the calcein solution at 10 μM for a 2 h incubation time. These results suggest that the calcein- loaded liposome was successfully prepared, and could be an application for a hydrophilic drug in further study.

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