『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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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.金品 昌志
役割 (任意): (英)   (日) 実験,解析,考察,記述   [継承]
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2. (英) Kamaya Hiroshi (日) 釜谷 比羅志 (読) かまや ひろし
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3. (英) Ueda Issaku (日) 上田 一作 (読) うえだ いっさく
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題名 (必須): (英) Interfacial Adsorption of an Inhalation Anesthetic onto Ionic Surfactant Micelles and its Desorption by High Pressure  (日)    [継承]
副題 (任意):
要約 (任意): (英) The effects of pressure and temperature on the critical micelle concentration (CMC) of sodium dodecylsulfate (SDS) wer measured in the presence of various concentrations of an inhalation anesthetic, methoxyflurane. The change in the partial molal volume of SDS on micellization delta Vm, increased with the increase in the concentration of methoxyflurane. The CMC-decreasing power, which is defined as the slope of the linear plot between In(CMC) vs. mole fraction of anesthetic, was determined as a function of pressure and temperature. Since the CMC-decreasing power is correlated to the micelle/water partition coefficient of anesthetic, the volume change of the transfer (delta Vop) of methoxyflurane from water to the micelle can be determined from the pressure dependence of the CMC-decreasing power. The value of delta Vop amounts 6.5 +/- 1.8 cm3.mol-1, which is in reasonable agreement with the volume change determined directly from the density data, 5.5+/-0.6 cm3.mol-1. Under the convention of thermodynamics, this indicates that the application of pressure squeezes out anesthetic molecules from the micelle. The transfer enthalpy of anesthetic from water to the micelle is slightly endothermic. The partial molal volume of methoxyflurane in the micelle (112.0 cm3.mol-1) is smaller than that in decane (120.5 cm3.mol-1) and is larger than that in water (108.0 cm3. mol-1. This indicates that the anesthetic molecules are incorporated into the micellar surfaces region, i.e., the palisade layer of the micelle in contact with water molecules, rather than into the micelle core.  (日) 吸入麻酔薬のモデル膜への界面吸着と加圧による脱着を圧拮抗モデルとして取扱い,物理化学的考察を行った.麻酔薬がミセルに取込まれると6.5 cm3 mol-1の体積増加を示す.加圧により麻酔薬のミセルへの分配係数は低下する.膜中における麻酔薬の部分モル体積は,水中におけるものより大きく,油(デカン)中におけるものよりも小さい.油/水界面領域に多く存在する.   [継承]
キーワード (推奨): 1. (英) Anesthesia, Inhalation (日) (読) [継承]
2. (英) Mathematics (日) (読) [継承]
3. (英) Methoxyflurane (日) (読) [継承]
4. (英) Micelles (日) (読) [継承]
5. (英) Pressure (日) (読) [継承]
6. (英) Sodium Dodecyl Sulfate (日) (読) [継承]
7. (英) Solvents (日) (読) [継承]
8. (英) Temperature (日) (読) [継承]
9. (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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年月日 (必須): 西暦 1982年 3月 1日 (昭和 57年 3月 1日) [継承]
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DOI (任意): 10.1016/0005-2736(82)90072-4    (→Scopusで検索) [継承]
PMID (任意): 7066315    (→Scopusで検索) [継承]
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備考 (任意): 1.(英) Article.PublicationTypeList.PublicationType: Journal Article  (日)    [継承]
2.(英) Article.PublicationTypeList.PublicationType: Research Support, U.S. Gov't, Non-P.H.S.  (日)    [継承]
3.(英) Article.PublicationTypeList.PublicationType: Research Support, U.S. Gov't, P.H.S.  (日)    [継承]

標準的な表示

和文冊子 ● Shoji Kaneshina, Hiroshi Kamaya and Issaku Ueda : Interfacial Adsorption of an Inhalation Anesthetic onto Ionic Surfactant Micelles and its Desorption by High Pressure, Biochimica et Biophysica Acta (BBA) - Biomembranes, Vol.685, No.3, 307-314, 1982.
欧文冊子 ● Shoji Kaneshina, Hiroshi Kamaya and Issaku Ueda : Interfacial Adsorption of an Inhalation Anesthetic onto Ionic Surfactant Micelles and its Desorption by High Pressure, Biochimica et Biophysica Acta (BBA) - Biomembranes, Vol.685, No.3, 307-314, 1982.

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