SURFACE-ENHANCED RAMAN-SCATTERING OF CYTOSINE AND ITS DERIVATIVES IN SILVER SOL

被引：16

作者：

LEE, H ^{[1
]}

SUH, SW ^{[1
]}

KIM, MS ^{[1
]}

机构：

[1] SEOUL NATL UNIV,DEPT CHEM,SEOUL 151742,SOUTH KOREA

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 1990年 / 21卷 / 04期

关键词：

D O I：

10.1002/jrs.1250210405

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Surface‐enhanced Raman scattering of cytosine, cytidine, 2′‐deoxycytidine, and cytidine 5′‐monophosphate (5′‐rCMP) in silver sol was investigated. Cytosine seemed to adsorb on the silver surface as the neutral form. With cytosine and 5′‐rCMP, their orientations with respect to the surface changed from a horizontal to a perpendicular position as the surface concentration increased. Similar reorientation was induced for 5′‐rCMP by an increase in phosphoric acid concentration. Adsorption of the cytosine moiety on the surface seemed to occur through the π system of the ring in the horizontal position and through the lone pair of electrons on the N‐3 atom in the perpendicular position. Copyright © 1990 John Wiley & Sons, Ltd.

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页码：237 / 241

页数：5

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