Hydration dynamics of 4-aminophthalimide in a substituted β-cyclodextrin nanocavity

Mondal, Sudip Kumar ; Roy, Durba ; Sahu, Kalyanasis ; Sen, Pratik ; Karmakar, Rana ; Bhattacharyya, Kankan (2005) Hydration dynamics of 4-aminophthalimide in a substituted β-cyclodextrin nanocavity Journal of Photochemistry and Photobiology A: Chemistry, 173 (3). pp. 334-339. ISSN 1010-6030

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.jphotochem.2005.04.013

Abstract

Solvation dynamics of water molecules around a probe, 4-aminophthalimide (4-AP) inside a heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin (TRIMEB) cavity has been studied using picosecond time dependent fluorescence Stokes' shift. The solvation time of 4-AP within the TRIMEB cavity in water is found to be 250 ± 50 ps. This is substantially slower than the solvation time observed in bulk water (~1 ps).

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Fluorescence; Stokes Shift; Lifetime; Slow Solvation Dynamics; Methyl Cyclodextrins
ID Code:77143
Deposited On:10 Jan 2012 05:52
Last Modified:10 Jan 2012 05:52

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