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À propos de : Study of the Mechanism of Electron-Transfer Quenching by Boron−Nitrogen Adducts inFluorescent Sensors        

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  • Study of the Mechanism of Electron-Transfer Quenching by Boron−Nitrogen Adducts inFluorescent Sensors
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  • The mechanism of the change in fluorescence quenching by the amine in boronic acid-based carbohydratesensor molecules has been explored using density functional theory (DFT). The geometric constraints of thesystem have been studied in both intra- and intermolecular model systems of the boron−nitrogen (B−N)bonding interaction. The effect of the B−N bonding on the rate of electron-transfer (ET) quenching of theanthracene acceptor by an amine donor is considered using a theoretical model. The results suggest a newmechanism other than B−N bond strength change for fluorescent switching in biosensors that involve interactionof boron and nitrogen affected by boronate ester formation.
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