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X-ray Reflectivity Study on the Structure and Phase Stability of Mixed Phospholipid Multilayers
- Jing, H. Y.;
- Hong, D. H.;
- Kwak, B. D.;
- Choi, D. J.;
- Shin, K.;
- 외 4명
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15초록
Vertically oriented multilayers composed of two saturated phospholipids, 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) and 1,2-dipalmitoyl-sn-glycero-3-phosphoserine (DPPS), were deposited on silicon. X-ray reflectivity was used to investigate the structures of the variously mixed phospholipid multilayers as a function of composition. Then, the phase stability was investigated at various annealing temperatures under humid conditions. The results indicated that the Lipid spacing of the mixed phospholipid multilayers varied systematically as a function of the DPPC/DPPS ratio and that no macroscopic phase separation occurred during the annealing process under both dry and humid conditions.
키워드
ATOMIC-FORCE MICROSCOPY; AIR-WATER-INTERFACE; NEUTRON REFLECTION; LIPID MONOLAYERS; MODEL MEMBRANES; SEPARATION; BILAYERS; HYDRATION; DIFFRACTION; DOMAINS
- 제목
- X-ray Reflectivity Study on the Structure and Phase Stability of Mixed Phospholipid Multilayers
- 저자
- Jing, H. Y.; Hong, D. H.; Kwak, B. D.; Choi, D. J.; Shin, K.; Yu, C. -Y; Kim, J. W.; Noh, D. Y.; Seo, Y. S.
- 발행일
- 2009-04-07
- 유형
- Article
- 저널명
- Langmuir
- 권
- 25
- 호
- 7
- 페이지
- 4198 ~ 4202