| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○招待 (推奨): |
| ○審査 (推奨): | □ | Peer Review
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| ○カテゴリ (推奨): |
| ○共著種別 (推奨): | □ | 国内共著 (徳島大学内研究者と国内(学外)研究者との共同研究 (国外研究者を含まない))
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| ○学究種別 (推奨): |
| ○組織 (推奨): | 1. | 徳島大学.大学院社会産業理工学研究部 (2017年4月1日〜)
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| ○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.応用生命コース])
| ○役割 (任意): | □ | (英) (日) 記述,解析,考察
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| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
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| 2. | (英) Tanaka Saeko (日) (読)
| ○役割 (任意): | □ | (英) (日) 実験,解析
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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.応用生命コース])
| ○役割 (任意): | □ | (英) (日) 記述,解析,考察
| [継承] |
| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
| [継承] |
| 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.応用生命コース])
| ○役割 (任意): | □ | (英) (日) 記述,解析,考察
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| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
| [継承] |
| ○題名 (必須): | □ | (英) Temperature, pressure and salt effects on bilayers of an acidic phospholipid, dipalmitoylphosphatidylglycerol (日)
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| ○副題 (任意): |
| ○要約 (任意): | □ | (英) The effects of thermal pretreatments and a monovalent added salt (NaCl) on the thermotropic and barotropic bilayer phase behavior of an acidic phospholipid, dipalmitoylphosphatidylglycerol (DPPG), were investigated by differential scanning calorimetry, fluorometry and light transmittance measurements. At 1.0 mol kg-1 NaCl concentration, lipid samples with static annealing treatments (i.e., cold storage) showed a transition from a metastable hydrated crystalline phase to the lamellar gel phase in addition to the pre- and the main transition. These transition temperatures increased with pressure and the interdigitated gel phase was induced under high pressure, which is similar to the bilayer phase behavior of dipalmitoylphosphatidylcholine. By contrast, lipid samples with dynamic annealing treatments (i.e., repeated freeze-thaw cycles) exhibited only a transition from the stable hydrated crystalline phase to the liquid crystalline phase accompanied by the morphological change in the bilayer aggregate. The transition temperature also increased with pressure and the phase behavior resembled that of dipalmitoylphosphatidylethanolamine. Regarding the salt effect, we found that the temperature pressure phase diagrams of the non-annealed DPPG bilayer changed systematically with the salt concentration, demonstrating that the pressure-induced interdigitation is suppressed by the added salt. Thermodynamic quantities of the phase transitions increased with increasing salt concentration, suggesting that the DPPG bilayer was stabilized by the weakening of the electrostatic repulsion among the polar head groups due to the shielding effect. The concentration dependence of the minimum interdigitation pressure indicates the possibility that the interdigitation should occur even under atmospheric pressure in the absence of the salt. (日)
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| ○キーワード (推奨): | 1. | (英) Bilayer (日) 二分子膜 (読)
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| 2. | (英) Interdigitation (日) 指組み構造化 (読)
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| 3. | 相転移 (phase transition)
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| 4. | (英) Phosphatidylglycerol (日) ホスファチジルグリセロール (読)
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| 5. | 圧力 (pressure)
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| ○発行所 (推奨): | □ | Elsevier Science
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| ○誌名 (必須): | □ | Biochimica et Biophysica Acta (BBA) - Biomembranes ([Elsevier Science])
(pISSN: 0005-2736, eISSN: 1879-2642)
| ○ISSN (任意): | □ | 0005-2736
ISSN: 0005-2736
(pISSN: 0005-2736, eISSN: 1879-2642) Title: Biochimica et biophysica acta. BiomembranesTitle(ISO): Biochim Biophys Acta BiomembrPublisher: Elsevier B.V. (NLM Catalog)
(Scopus)
(CrossRef)
(Scopus information is found. [need login])
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| ○巻 (必須): | □ | 1868
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| ○号 (必須): | □ | 1
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| ○頁 (必須): | □ | 184462 184462
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2026年 1月 1日 (令和 8年 1月 1日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1016/j.bbamem.2025.184462 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) Article.Affiliation: Department of Bioengineering, Division of Bioscience and Bioindustry, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1 Minamijosanjima-cho, Tokushima 770-8513, Japan. (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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