Journal
CHEMICAL COMMUNICATIONS
Volume 52, Issue 37, Pages 6245-6248Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc02347a
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Funding
- Spanish Ministerio de Economia y Competitividad [CTQ2011-28390, CTQ2014-54729-C2-1-P]
- Junta de Andalucia [P12-FQM-2140]
- FEDER
- COST action Supramolecular Chemistry in Water'' [CM1005]
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A method for the phototriggered release of a biogenic amine from the host-guest complex with the cucurbit[7]uril macrocycle in aqueous solution was devised. The approach exploits a photoinduced pH jump from 8 to 5, combined with the pH-dependent switching of the competitive capacity of a guest dye. The fluorescence fingerprint of the competitor can be used to monitor the amine release in the micromolar concentration regime.
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