Retna Raj, C. ; Ramaraj, R. (1997) γ-Cyclodextrin induced intermolecular excimer formation of thioflavin T Chemical Physics Letters, 273 (3-4). pp. 285-290. ISSN 0009-2614
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00092...
Related URL: http://dx.doi.org/10.1016/S0009-2614(97)00600-3
Abstract
The excimer emission of thioflavin T, 3,6-dimethyl-2-(4-dimethylaminophenyl)-benzothiazolium cation (TFT+), was observed in the presence of γ-CD at room temperature. The emission intensity initially decreased due to the formation of a 2:1 TFT+-γ-CD inclusion complex. At higher concentrations of γ-CD an increase in the emission intensity was observed due to the formation of a 2:2 TFT+-γ-CD inclusion complex. The formation of the 2:2 TFT+-γ-CD inclusion complex was responsible for the excimer emission. In the presence of β-CD, the TFT+ molecule did not show excimer emission. The excimer emission observed in the presence of γ-CD was analysed by excitation and 3-D spectral measurements.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 39751 |
| Deposited On: | 16 May 2011 05:50 |
| Last Modified: | 18 May 2011 07:04 |
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