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Bile Acid Derived PET-Based Cation Sensors: Molecular Structure Dependence of their Sensitivity

Maitra, Uday and Nath, Suvadeep (2009) Bile Acid Derived PET-Based Cation Sensors: Molecular Structure Dependence of their Sensitivity. In: Chemistry - An Asian Journal, 4 (6). pp. 989-997.

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Official URL: http://www3.interscience.wiley.com/journal/1223808...

Abstract

A number of bile acid derived photoinduced electron transfer (PET) based sensors for metal ions are prepared. A general strategy for designing the sensor with a modular nature allows for making different molecules capable of sensing different metal ions by a change in the fluorophore and receptor unit. Keeping the basic molecular structure the same, different bile acid base fluoroionophores were prepared inorder to achieve the highest sensitivity toward the metal ions. Thesensors showed similar binding constants for the same metal ion, but the degree Of fluorescence enhancement upon addition of the metal salts were different. The sensitivities of the sensors towards a certain metal were determined from the observed fluorescence enhancement upon addition of the metal salt.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to John Wiley and Sons.
Keywords: cations;electron transfer;fluorescence;photophysics;sensors.
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Date Deposited: 10 Jul 2009 10:23
Last Modified: 10 Jul 2009 10:23
URI: http://eprints.iisc.ernet.in/id/eprint/21138

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