Polymer bound chromogenic crown ethers for optical ion-detection devices
✍ Scribed by Harm-Anton Klok; Martin Möller
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 643 KB
- Volume
- 197
- Category
- Article
- ISSN
- 1022-1352
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✦ Synopsis
Abstract
The concept of photoinduced electron transfer has been explored for the development of polymeric transducers for optical ion‐detection devices. For this purpose, a series of N‐(9‐anthrylmethyl)monoaza‐18‐crown‐6 substituted poly(methacrylate)s were prepared, which differ in the chemical nature of the backbone. The fluorescent signaling in these systems is based on disturbances, upon complexation of K^⊕^, in the competition between de‐excitation pathways of fluorescence and photoinduced electron transfer. The sensitivity and the ultimate enhancement of the fluorescence of these materials upon complexation of K^⊕^ were found to be strongly influenced by the chemical structure of the polymer backbone.