Ilanchelian, M. ; Retna Raj, C. ; Ramaraj, R. (2000) Spectral studies on the cyclodextrin inclusion complexes of toluidine blue O and meldola's blue in aqueous solution Journal of Inclusion Phenomena and Macrocyclic Chemistry, 36 (1). pp. 9-20. ISSN 0923-0750
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Official URL: http://www.springerlink.com/content/wk190525280210...
Related URL: http://dx.doi.org/10.1023/A:1008085829227
Abstract
The absorption and emission spectral properties of toluidine blue O (TBO) and Meldola's blue (MDB) in the presence of cyclodextrins (CDs) were studied. Formation of 1 : 1 and 1 : 2 (CD-Dye) inclusion complexes were observed with β γ -CD and -CD, respectively. An increase in the emission intensity was noticed in the presence of β-CD due to the formation of 1 : 1 (CD-Dye) inclusion complexes. However, a decrease in the emission intensity was observed in the presence of γ-CD due to the formation of 1 : 2 (CD-Dye) inclusion complexes. Dimerization of dye molecules in the presence of γ-CD lead to a decrease in the emission intensity. The formation constants for the 1 : 1 and 1 : 2 (CD-Dye) inclusion complexes were calculated.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer. |
| Keywords: | Toluidine Blue O; Meldola's Blue; Cyclodextrin; Inclusion Complex |
| ID Code: | 88785 |
| Deposited On: | 29 Mar 2012 15:11 |
| Last Modified: | 29 Mar 2012 15:11 |
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