Rational design of ratiometric chemosensor via modulation of energy donor efficiency

Date

2008

Author

Guliyev, Ruslan

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Rational design of fluorescent chemosensors is an active area of supramolecular chemistry, photochemistry and photophysics. Ratiometric chemosensors are even more important, as they have an internal system for selfcalibration. In order to develop a new methodology for a ratiometric chemosensor design, we proposed coupling of energy transfer phenomenon to ion sensing. In this study, we targeted energy transfer cassette type chemosensors, where the efficiency of transfer is modulated on the donor side, by metal ion binding which changes the spectral overlap. This work involves the synthesis of a number of EET systems with varying degrees of EET efficiency. The results suggest that this strategy for ratiometric ion sensing is a promising one, enabling a modular approach in chemosensor design.

Subject Keywords

Chemistry., Chemistry, Organic

URI

http://etd.lib.metu.edu.tr/upload/12609889/index.pdf
https://hdl.handle.net/11511/18226

Collections

Graduate School of Natural and Applied Sciences, Thesis