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EID=178676EID:178676, Map:0, LastModified:2012年10月9日(火) 20:04:06, Operator:[大家 隆弘], Avail:TRUE, Censor:0, Owner:[松木 均], Read:継承, Write:継承, Delete:継承.
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) Tada Kaori (日) (読)
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2. (英) Saito Kensuke (日) (読)
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3.後藤 優樹 ([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])
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4.玉井 伸岳 ([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])
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5.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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6.金品 昌志
役割 (任意): (英)   (日) 計画,解析,考察   [継承]
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題名 (必須): (英) High-pressure study on bilayer phase behavior of oleoylmyristoyl- and myristoyloleoyl-phosphatidylcholines  (日)    [継承]
副題 (任意):
要約 (任意): (英) We investigated the thermotropic and barotropic bilayer phase behavior of 1-myristoyl-2-oleoyl-sn-glycero-3-phosphocholine (MOPC) and 1-oleoyl-2-myristoyl-sn-glycero-3-phosphocholine (OMPC) by means of the differential scanning calorimetry (DSC) and high-pressure light-transmittance technique. Water could be used as a solvent for measurements at high pressures because of the elevation of the transition temperatures above 0 degrees C by pressurization, whereas aqueous 50 wt.% ethylene glycol solution was used mainly for those at low pressures. Only one phase transition was observed in the DSC thermogram of the MOPC bilayer membrane as an endothermic peak, and also observed at high pressures as an abrupt change of the light-transmittance. The transition was assigned as a main transition between the lamellar gel (L(beta)) and liquid-crystalline (L(alpha)) phases on the basis of the values of enthalpy change (DeltaH) and slope of the transition temperature with respect to pressure (dT/dP). The DSC thermogram of the OMPC bilayer membrane similarly showed a single endothermic peak but two kinds of phase transitions were observed at different temperatures in the light-transmittance profile at high pressures. The extrapolation of the lower-temperature transition in the high-pressure range to an ambient pressure coincided with the transition observed in the DSC thermogram. This transition was identified as a transition between the lamellar crystal (L(c)) and L(alpha) (or L(beta)) phases from the DeltaH and dT/dP values. The higher-temperature transition, appearing only at high pressures, was identified as the L(beta)/L(alpha) transition considering the topological resemblance of its temperature-pressure phase diagram as that of the dioleoylphosphatidylcholine bilayer membrane. The phase diagram of the OMPC bilayer membrane demonstrated that the L(beta) phase cannot exist at pressures below ca. 190 MPa while it can exist stably in a finite temperature range at pressures above the pressure.  (日)    [継承]
キーワード (推奨): 1. (英) Calorimetry, Differential Scanning (日) (読) [継承]
2. (英) Lipid Bilayers (日) (読) [継承]
3. (英) Phase Transition (日) (読) [継承]
4. (英) Phosphatidylcholines (日) (読) [継承]
5. (英) Pressure (日) (読) [継承]
6. (英) Temperature (日) (読) [継承]
7. (英) Thermodynamics (日) (読) [継承]
発行所 (推奨): Elsevier (->組織[Elsevier Science]) [継承]
誌名 (必須): Biophysical Chemistry ([Elsevier Science])
(pISSN: 0301-4622, eISSN: 1873-4200)

ISSN (任意): 1873-4200
ISSN: 0301-4622 (pISSN: 0301-4622, eISSN: 1873-4200)
Title: Biophysical chemistry
Title(ISO): Biophys Chem
Publisher: Elsevier BV
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
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(必須): 138 [継承]
(必須): 1-2 [継承]
(必須): 36 41 [継承]
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年月日 (必須): 西暦 2008年 11月 1日 (平成 20年 11月 1日) [継承]
URL (任意):
DOI (任意): 10.1016/j.bpc.2008.08.009    (→Scopusで検索) [継承]
PMID (任意): 18804320    (→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, 2-1 Minamijosanjima-cho, 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 ● Kaori Tada, Kensuke Saito, Masaki GOTO, Nobutake Tamai, Hitoshi Matsuki and Shoji Kaneshina : High-pressure study on bilayer phase behavior of oleoylmyristoyl- and myristoyloleoyl-phosphatidylcholines, Biophysical Chemistry, Vol.138, No.1-2, 36-41, 2008.
欧文冊子 ● Kaori Tada, Kensuke Saito, Masaki GOTO, Nobutake Tamai, Hitoshi Matsuki and Shoji Kaneshina : High-pressure study on bilayer phase behavior of oleoylmyristoyl- and myristoyloleoyl-phosphatidylcholines, Biophysical Chemistry, Vol.138, No.1-2, 36-41, 2008.

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