頁籤選單縮合
題名 | Satellite Hole Investigation of the Vibrational Modes of 9-Aminoacridine upon Binding to DNA |
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作者 | 鄭郅言; 江建志; 鄭雅如; 陳鉉升; 林麗珍; 張大釗; | 書刊名 | Journal of the Chinese Chemical Society |
卷期 | 44:2 1997.04[民86.04] |
頁次 | 頁97-100 |
分類號 | 340 |
關鍵詞 | Hole burning; Satellite holes; 9AA-DNA interactions; Mode coupling; Conformational structure; |
語文 | 英文(English) |
英文摘要 | The spectral features of satellite holes are used to investigate 9- aminoacridine-DNA interactions. The hole depths of the outer ring vibronic modes are reduced more than that of the inner ring vibronic modes, implying that inner ring motion is less perturbed than outer ring motion. As a result, the mode coupling between the inner ring and outer ring is reduced upon binding to DNA. However, similar hole frequency and width of the satellite hole corresponding to the NH �� mode upon binding to DNA imply that the amino group of 9-aminoacridine sits outside the DNA. |
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