『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]
招待 (推奨):
審査 (推奨): Peer Review [継承]
カテゴリ (推奨):
共著種別 (推奨):
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.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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学籍番号 (推奨):
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2. (英) Matsui Takayuki (日) (読)
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貢献度 (任意):
学籍番号 (推奨): **** [ユーザ]
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3.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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学籍番号 (推奨):
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4.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) 考察   [継承]
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学籍番号 (推奨):
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5.金品 昌志
役割 (任意): (英)   (日) 計画,解析,考察   [継承]
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学籍番号 (推奨):
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題名 (必須): (英) Prodan fluorescence detects the bilayer packing of asymmetric phospholipids  (日)    [継承]
副題 (任意):
要約 (任意): (英) The bilayer phase behavior of asymmetric phospholipids, palmitoylstearoylphosphatidylcholine (PSPC) and stearoylpalmitoylphosphatidylcholine (SPPC), with different vesicle sizes (large multilamellar vesicle (LMV) and giant multilamellar vesicle (GMV)) was investigated by fluorescence spectroscopy using a polarity-sensitive fluorescent probe Prodan under high pressure. The results were compared with those of a symmetric phospholipid, diheptadecanoyl PC (C17PC). The difference in phase transitions of the PSPC and SPPC bilayers and in thermodynamic quantities of the transitions was hardly observed between LMV and GMV as the case of the C17PC bilayer. On the other hand, the Prodan fluorescence showed clear differences between LMV and GMV of the asymmetric PC bilayers. From the second derivative of Prodan fluorescence spectra, the three dimensional image plots in which we can clearly see the location of Prodan in the bilayer membrane as blue valleys were constructed for LMV and GMV under high pressure. We revealed from the plots that the bilayer packing is significantly dependent on not only the vesicle size but also the acyl-chain asymmetry of PC molecule in addition to the phase states. It was found that the packing of the gel phases of the asymmetric PC bilayers is weaker than that of the symmetric PC bilayer, and the size of vesicle affects the packing of the interdigitated gel phase the most markedly among three gel phases. This study suggests that the Prodan molecules can detect the effect of vesicle size on the phase states for the asymmetric PC bilayers, and they become a useful indicator for various membrane properties, especially bilayer interdigitation.  (日)    [継承]
キーワード (推奨): 1. (英) 2-Naphthylamine (日) (読) [継承]
2. (英) Fluorescence (日) (読) [継承]
3. (英) Fluorescent Dyes (日) (読) [継承]
4. (英) Lipid Bilayers (日) (読) [継承]
5. (英) Models, Biological (日) (読) [継承]
6. (英) Phase Transition (日) (読) [継承]
7. (英) Phospholipids (日) (読) [継承]
8. (英) Thermodynamics (日) (読) [継承]
発行所 (推奨): Elsevier Science [継承]
誌名 (必須): Colloids and Surfaces B:Biointerfaces ([Elsevier])
(pISSN: 0927-7765, eISSN: 1873-4367)

ISSN (任意): 1873-4367
ISSN: 0927-7765 (pISSN: 0927-7765, eISSN: 1873-4367)
Title: Colloids and surfaces. B, Biointerfaces
Title(ISO): Colloids Surf B Biointerfaces
Publisher: Elsevier BV
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
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(必須): 55 62 [継承]
都市 (任意):
年月日 (必須): 西暦 2011年 5月 1日 (平成 23年 5月 1日) [継承]
URL (任意):
DOI (任意): 10.1016/j.colsurfb.2010.12.015    (→Scopusで検索) [継承]
PMID (任意): 21232926    (→Scopusで検索) [継承]
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WOS (任意): 000288732500009 [継承]
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備考 (任意): 1.(英) Article.Affiliation: Department of Life System, Institute of Technology and Science, The University of Tokushima, Tokushima, Japan.  (日)    [継承]
2.(英) Article.PublicationTypeList.PublicationType: Journal Article  (日)    [継承]

標準的な表示

和文冊子 ● Masaki GOTO, Takayuki Matsui, Nobutake Tamai, Hitoshi Matsuki and Shoji Kaneshina : Prodan fluorescence detects the bilayer packing of asymmetric phospholipids, Colloids and Surfaces B:Biointerfaces, Vol.84, No.1, 55-62, 2011.
欧文冊子 ● Masaki GOTO, Takayuki Matsui, Nobutake Tamai, Hitoshi Matsuki and Shoji Kaneshina : Prodan fluorescence detects the bilayer packing of asymmetric phospholipids, Colloids and Surfaces B:Biointerfaces, Vol.84, No.1, 55-62, 2011.

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