Saroja, Ginagunta ; Samanta, Anunay (1995) Polarity of the micelle-water interface as seen by 4-aminophthalimide, a solvent sensitive fluorescence probe Chemical Physics Letters, 246 (4-5). pp. 506-512. ISSN 0009-2614
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0009-2614(95)01131-6
Abstract
4-aminophthalimide (AP) has been employed as a fluorescence probe to follow the micellar aggregation of three commonly used cationic, anionic and neutral surfactants. From a study of spectral shift and enhancement of fluorescence intensity and lifetime as a function of surfactant concentration, critical micellar concentrations have been evaluated, the location of the probe in the micelles has been identified and the polarity of the micelle-water interface has been measured. It is shown that AP always binds to the micelle-water interface irrespective of the micellar charge. The advantage of AP over other probes is discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 51586 |
| Deposited On: | 29 Jul 2011 04:02 |
| Last Modified: | 29 Jul 2011 04:02 |
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