『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):
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])
役割 (任意): (英)   (日) 実験,記述,解析,考察   [継承]
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学籍番号 (推奨):
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2. (英) Sawaguchi Hiroshi (日) (読)
役割 (任意): (英)   (日) 実験,解析   [継承]
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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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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) 計画,考察,論文執筆の指導   [継承]
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5.金品 昌志
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題名 (必須): (英) Effect of Vesicle Size on the Prodan Fluorescence in Diheptadecanoylphosphatidylcholine Bilayer Membrane under Atmospheric and High Pressures  (日)    [継承]
副題 (任意):
要約 (任意): (英) The bilayer phase behavior of diheptadecanoylphosphatidylcholine (C17PC) 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 atmospheric and high pressures. The difference in phase transitions and thermodynamic quantities of the transition was hardly observed between LMV and GMV used here. On the contrary, the Prodan fluorescence in the bilayer membranes changed depending on the size of vesicles as well as on the phase states. From the second derivative of fluorescence spectra, the three-dimensional image plots in which we can see the location of Prodan in the bilayer membrane as blue valleys were constructed for LMV and GMV under atmospheric pressure. The following characteristic behavior was found: (1) the Prodan molecules in GMV can be distributed to not only adjacent glycerol backbone region, but also near bulk-water region in the lamellar gel or ripple gel phase; (2) the blue valleys of GMV became deeper than those of LMV because of the greater surface density of the Prodan molecules per unit area of GMV than LMV; (3) the liquid crystalline phase of the bilayer excludes the Prodan molecules to a more hydrophilic region at the membrane surface with an increase in vesicle size; (4) the accurate information as to the phase transitions is gradually lost with increasing vesicle size. Under the high-pressure condition, the difference in Prodan fluorescence between LMV and GMV was essentially the same as the difference under atmospheric pressure except for the existence of the pressure-induced interdigitated gel phase. Further, we found that Prodan fluorescence spectra in the interdigitated gel phase were especially affected by the size of vesicles. This study revealed that the Prodan molecules can move around the headgroup region by responding not only to the phase state but also to the vesicle size, and they become a useful membrane probe, detecting important membrane properties such as the packing stress.  (日)    [継承]
キーワード (推奨): 1. (英) 2-Naphthylamine (日) (読) [継承]
2. (英) Fluorescent Dyes (日) (読) [継承]
3. (英) Lipid Bilayers (日) (読) [継承]
4. (英) Phosphatidylcholines (日) (読) [継承]
5. (英) Pressure (日) (読) [継承]
6. (英) Spectrometry, Fluorescence (日) (読) [継承]
7. (英) Temperature (日) (読) [継承]
8. (英) Thermodynamics (日) (読) [継承]
発行所 (推奨): アメリカ化学会 [継承]
誌名 (必須): Langmuir ([アメリカ化学会])
(pISSN: 0743-7463, eISSN: 1520-5827)

ISSN (任意): 1520-5827
ISSN: 0743-7463 (pISSN: 0743-7463, eISSN: 1520-5827)
Title: Langmuir : the ACS journal of surfaces and colloids
Title(ISO): Langmuir
Publisher: American Chemical Society
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
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(必須): 13377 13384 [継承]
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年月日 (必須): 西暦 2010年 7月 22日 (平成 22年 7月 22日) [継承]
URL (任意):
DOI (任意): 10.1021/la100871z    (→Scopusで検索) [継承]
PMID (任意): 20695581    (→Scopusで検索) [継承]
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備考 (任意): 1.(英) Article.Affiliation: Department of Life System, Institute of Technology and Science, 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 ● Masaki GOTO, Hiroshi Sawaguchi, Nobutake Tamai, Hitoshi Matsuki and Shoji Kaneshina : Effect of Vesicle Size on the Prodan Fluorescence in Diheptadecanoylphosphatidylcholine Bilayer Membrane under Atmospheric and High Pressures, Langmuir, Vol.26, No.16, 13377-13384, 2010.
欧文冊子 ● Masaki GOTO, Hiroshi Sawaguchi, Nobutake Tamai, Hitoshi Matsuki and Shoji Kaneshina : Effect of Vesicle Size on the Prodan Fluorescence in Diheptadecanoylphosphatidylcholine Bilayer Membrane under Atmospheric and High Pressures, Langmuir, Vol.26, No.16, 13377-13384, 2010.

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