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Surajit Rakshit, Nirmal Goswami and Samir Kumar Pal Slow Solvent Relaxation Dynamics of Nanometer Sized Reverse Micellar Systems Through Tryptophan Metabolite, Kynurenine Photochemistry and Photobiology 88

Version of Record online: 3 NOV 2011 | DOI: 10.1111/j.1751-1097.2011.01007.x

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Our work explores the efficacy of kynurenine (KN), one of the tryptophan metabolites as a potential probe for the slow solvent relaxation dynamics in a restricted medium of neutral reverse micelles (RM). While picosecond-resolved Förster resonance energy transfer study confirms the inclusion of the probe in the RM, details of the optical spectroscopic investigations reveal that ultrafast internal conversion associated with the hydrogen-bonding dynamics masks KN to become a dynamical reporter of the immediate environments of the probe.

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