Towards autonomous molecular machines : switching coupled to an oscillating reaction

Date

2007

Author

İçli, Burçak

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We have designed and synthesized a bistable pseudo-rotaxane carrying a fluorescent boradiazaindacene (BODIPY) unit. The intensity of the emission signal is dependent on the position of the cucurbituril (CB7) unit over the axle component. Thus, pH modulated switching of the CB7 wheel is accompanied by significant changes in the emission spectrum. Additionally, a thiosulfate-sulfite-iodate oscillating reaction which generates large amplitude pH oscillations can be carried out in the same solution. In such a solution, in response to changing pH, the position of the wheel component seems to change without outside intervention.

Subject Keywords

Chemistry, Organic

URI

http://etd.lib.metu.edu.tr/upload/2/12608749/index.pdf
https://hdl.handle.net/11511/16960

Collections

Graduate School of Natural and Applied Sciences, Thesis