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KMID : 0385520040170010016
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Analytical Science & Technology
2004 Volume.17 No. 1 p.16 ~ p.22
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Raman Spectra of Nitrophenol Molecules Included in Cyclodextrin Polymers Cross-linked with Epichlohydrine
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Choi SH
Kim SY/Zhang YP/Lee KP
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Abstract
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Inclusion complexes of the p-nitrophenol with β-cyclodextrin (CD), sulfated β-CD, and β-CD polymer cross-linked with epichlorohydrine (EP) were prepared and characterized by Raman spectroscopy. The intensity of vibration peaks of the C-O and C-N at 1284 and 856 ㎝^(-1) of the p-nitrophenol in the presence of EP-linked CD polymer was remarkably increased, respectively. The vibration modes at 1284 and 856 ㎝^(-1) are assigned to the out-of phase C-C-O stretching mode and the C-N stretching mode, respectively. The vibration peaks at 1284 and 856 ㎝^(-1) increased with increasing the content of EP-linked CD polymers, while decreased with increasing the p-nitrophenol content. Furthermore, the vibration mode of the NO₂symmetric stretch at 1344 ㎝^(-1) enhanced with increasing the content of p-nitrophenol.
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