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Rhodamine-based chemosensing monolayers on glass as a facile fluorescent “turn-on” sensing film for selective detection of Pb2+

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Journal Talanta
Author Heeyoung Ju, Min Hee Lee, Jungahn Kim, Jong Seung Kim, Joohoon Kim
Citation Talanta, (2011) 1359?1363
DOI http://dx.doi.org/10.1016/j.talanta.2010.11.016


Rhodamine-based chemosensors 1 and 2 were synthesized and self-assembled onto glass surfaces for the selective fluorescent sensing of Pb2+. The immobilized chemosensors showed fluorescent responses that were turned-on with Pb2+ in CH3CN, selectively over various metal ions. The Pb2+-selective fluorescent switch of the immobilized chemosensors was also reversible, allowing for repeated use for Pb2+ detection.

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