Solution Properties of Gemini Surfactant of Decanediyl-1-10-bis (dimethyltetradecylammonium bromide) in Aqueous Medium
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- Nakahara Hiromichi
- Department of Biophysical Chemistry, Faculty of Pharmaceutical Sciences, Nagasaki International University
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- Hasegawa Atsuko
- Department of Biophysical Chemistry, Faculty of Pharmaceutical Sciences, Nagasaki International University
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- Uehara Seina
- Department of Biophysical Chemistry, Faculty of Pharmaceutical Sciences, Nagasaki International University
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- Akisada Hideo
- Department of Biophysical Chemistry, Faculty of Pharmaceutical Sciences, Nagasaki International University
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- Shibata Osamu
- Department of Biophysical Chemistry, Faculty of Pharmaceutical Sciences, Nagasaki International University
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The solution properties of a typical gemini surfactant of decanediyl-1-10-bis (dimethyltetradecylammonium bromide) (abbrev. 14-10-14,2Br–) were examined in an aqueous medium at temperatures of 288.2, 298.2, and 308.2 K. The characterization was performed by employing surface tension measurements, electrical conductivity measurements, steady-state fluorescence quenching (SSFQ), and dynamic light scattering (DLS). The surface tension was measured with the drop volume method, in which an improved tensiometer was used and the experimental operation was modified. The resultant data were well reproducible and the equilibrium adsorption time after producing the droplet onto the tip of the capillary was on the order of minutes. In addition, the critical micelle concentration obtained from the surface tension data is in good agreement with that obtained from the conductivity data. Using the conductivity variation as a function of surfactant concentration, the thermodynamic parameters of micellization were calculated. Furthermore, the SSFQ method suggests a small and constant aggregation number, irrespective of temperature. The formation of small-size micelles was also confirmed by DLS measurements.
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 62 (11), 905-912, 2013
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204092163328
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- NII論文ID
- 130004436001
- 40019836609
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- NII書誌ID
- AA11503337
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- COI
- 1:STN:280:DC%2BC2c7jvFWjtw%3D%3D
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 024947501
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- PubMed
- 24200938
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可