The Interaction of 1-Naphthalenesulfonate with β-Cyclodextrin. Studies by Calorimetry and Proton Nuclear Magnetic Resonance Spectroscopy
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概要
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The interaction of 1-naphthalenesulfonate (1-NS) with β-cyclodextrin was investigated in a 0.1M phosphate buffer at pH7.4 by an LKB 2277 microcalorimeter, using a flow-mixed mode at 25℃. The thermodynamic parameters for inclusion complex formation obtained are as follows : ΔG°=-13.2kJ/mol (K=209M^<-1>), ΔH°=-1.87kJ/mol, ΔS°=38.1J/mol K. The main driving force for inclusion complex formation was considered to be the hydrophobic interaction, whereas the contribution of the van der Waals-London dispersion force was minor. Also, from measurements of the proton nuclear magnetic resonance spectra and the model building with Corey-Pauling-Koltum atomic models, the probable structures of the inclusion complex were determined.
- 公益社団法人日本薬学会の論文
- 1997-05-15
著者
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NISHIJO Jujiro
Kobe Pharmaceutical University
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SUGIURA Makiko
Kobe Pharmaceutical University
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NISHIJO Juziro
Kobe Pharmaceutical University
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Fujii N
Kobe Pharmaceutical University
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USHIRODA Yuko
Kobe Pharmaceutical University
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OHBORI Hiroe
Kobe Pharmaceutical University
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FUJII Noriko
Kobe Pharmaceutical University
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Ushiroda Y
Kobe Pharmaceutical Univ. Kobe Jpn
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Nishijo J
Department Of Physical Chemistry Kobe Pharmaceutical University
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