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Krafft temperature and enthalpy of solution of N-acyl amino acid surfactants and their racemic modifications: Effect of the counter ion
http://hdl.handle.net/2297/1831
http://hdl.handle.net/2297/1831814f1bfd-8d2b-4a39-8c74-8f2370f56fa3
名前 / ファイル | ライセンス | アクション |
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2003CPS282_162.pdf (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Krafft temperature and enthalpy of solution of N-acyl amino acid surfactants and their racemic modifications: Effect of the counter ion | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Ohta, Akio
× Ohta, Akio× Nakashima, Satoru× Matsuyanagi, Hiroki× Asakawa, Tsuyoshi× Miyagishi, Shigeyoshi |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学工学部 | |||||
書誌情報 |
Colloid and Polymer Science 巻 282, 号 2, p. 162-169, 発行日 2003-12-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0303-402X | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1007/s00396-003-0927-9 | |||||
出版者 | ||||||
出版者 | Springer Verlag | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The Krafft temperatures and enthalpies of solution of N-hexadecanoyl alaninate and valinate, and N-tetradecanoyl phenylalaninate were obtained from differential scanning calorimetry. The Krafft temperature of N-acyl amino acid surfactant increased with decreasing size of the counter ion, with some exceptions. The enthalpy of solution was endothermic and increased with decreasing size of the counter ion except for the cases of lithium salt. The results showed that the L-L interaction in the solid state of N-hexadecanoyl amino acid surfactant salt was superior to the D-L interaction for both the alanine and valine systems when the counter ion size increased. However, the D-L interaction was still advantageous for the phenylalanine system with Cs+ as a counter ion. Both Fourier transform infrared spectroscopy studies and theoretical calculations suggested that the difference in magnitudes of the interactions between peptide and counter ion was a dominant factor for the chiral effect. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |