『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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種別 (必須): 学術論文 (審査論文) [継承]
言語 (必須): 英語 [継承]
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学究種別 (推奨):
組織 (推奨): 1.徳島大学.工学部.生物工学科.生物機能工学講座 [継承]
著者 (必須): 1. (英) Ichimori Hayato (日) (読)
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2. (英) Hata Takashi (日) (読)
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3.松木 均 ([徳島大学.大学院社会産業理工学研究部.生物資源産業学域.応用生命系.応用生物資源学分野]/[徳島大学.生物資源産業学部.生物資源産業学科.応用生命講座])
役割 (任意): (英)   (日) 計画,考察   [継承]
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学籍番号 (推奨):
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4.金品 昌志
役割 (任意): (英)   (日) 計画,解析,考察,論文執筆の指導   [継承]
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題名 (必須): (英) Barotropic phase transitions and pressure-induced interdigitation on bilayer membranes of phospholipids with varying acyl chain-lengths  (日)    [継承]
副題 (任意):
要約 (任意): (英) The bilayer phase diagrams of a series of 1, 2-diacylphosphatidylcholines containing linear saturated acyl chain (C=13, 14, 15, 16, 17 and 18) were constructed by two kinds of high-pressure optical methods. One is the observation of isothermal barotropic phase transition and the other is the isobaric thermotropic phase transition. The temperature of the main transition from the ripple gel (Pbeta') phase to the liquid crystal (Lalpha) phase for each lipid was elevated by pressure. The slope of the temperature-pressure diagram, dT/dP, was in the range of 0.21-0. 23 K MPa-1 depending on the acyl chain length. The temperature of the pretransition from the lamellar gel (Lbeta') phase to the Pbeta' phase for each lipid was also elevated by pressure. The slope of phase boundary, dT/dP, for the pretransition was in the range of 0. 12-0.14 K MPa-1. Both temperatures of the main and pretransition under ambient pressure increased with an increase in acyl chain length. The chain length dependences of the pretransition and main transition temperatures describe smooth curves with no evidence of odd/even discontinuities. Pressure-induced interdigitated gel (LbetaI) phase was observed beyond 300 MPa for 14:0-PC, 175 MPa for 15:0-PC, 100 MPa for 16:0-PC, 80 MPa for 17:0-PC and 70 MPa for 18:0-PC, respectively. The minimum pressure for the interdigitation of lipid bilayer membranes decreased with an increase in acyl chain length in a manner of non-linear relation. The slopes of phase boundary between Lbeta' and LbetaI phases transformed from the negative slope to the positive slope as the pressure increases.  (日) 2種類の光透過法を用いて,炭素数13から18までの直鎖の飽和リン脂質ジアシルホスファチジルコリン二分子膜の温度-圧力相図を構築した.常圧下の主転移および前転移温度には偶奇効果は見られず,アシル鎖長の増加に伴い増加した.指組構造ゲル相出現の最小圧力はアシル鎖長の増加と共に非直線的に減少した.また,ラメラゲル相と指組構造のゲル相境界の傾きは圧力の増加と共に負から正へ変化した.   [継承]
キーワード (推奨): 1. (英) Lipid Bilayers (日) (読) [継承]
2. (英) Phosphatidylcholines (日) (読) [継承]
3. (英) Phospholipids (日) (読) [継承]
4. (英) Pressure (日) (読) [継承]
5. (英) Temperature (日) (読) [継承]
6. (英) Thermodynamics (日) (読) [継承]
発行所 (推奨): Elsevier Science [継承]
誌名 (必須): Biochimica et Biophysica Acta (BBA) - Biomembranes ([Elsevier Science])
(pISSN: 0005-2736)

ISSN (任意): 0005-2736
ISSN: 0005-2736 (pISSN: 0005-2736, eISSN: 1879-2642)
Title: Biochimica et biophysica acta. Biomembranes
Title(ISO): Biochim Biophys Acta Biomembr
Publisher: Elsevier BV
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(必須): 165 174 [継承]
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年月日 (必須): 西暦 1998年 11月 1日 (平成 10年 11月 1日) [継承]
URL (任意):
DOI (任意): 10.1016/S0005-2736(98)00165-5    (→Scopusで検索) [継承]
PMID (任意): 9804942    (→Scopusで検索) [継承]
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備考 (任意): 1.(英) Article.Affiliation: Department of Biological Science and Technology, Faculty of Engineering, The University of Tokushima, Minamijosanjima, Tokushima 770-8506, Japan.  (日)    [継承]
2.(英) Article.PublicationTypeList.PublicationType: Journal Article  (日)    [継承]

標準的な表示

和文冊子 ● Hayato Ichimori, Takashi Hata, Hitoshi Matsuki and Shoji Kaneshina : Barotropic phase transitions and pressure-induced interdigitation on bilayer membranes of phospholipids with varying acyl chain-lengths, Biochimica et Biophysica Acta (BBA) - Biomembranes, Vol.1414, No.2, 165-174, 1998.
欧文冊子 ● Hayato Ichimori, Takashi Hata, Hitoshi Matsuki and Shoji Kaneshina : Barotropic phase transitions and pressure-induced interdigitation on bilayer membranes of phospholipids with varying acyl chain-lengths, Biochimica et Biophysica Acta (BBA) - Biomembranes, Vol.1414, No.2, 165-174, 1998.

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