A highly selective luminescent sensor for the time-gated detection of potassium

Aurore Thibori, Valérie C. Pierre

Research output: Contribution to journalArticle

126 Scopus citations

Abstract

A terbium complex with long luminescence lifetime for the selective time-gated detection of potassium is presented. The complex demonstrates high sensitivity with a 25-fold increase in time-gated luminescence intensity between 0 and 15 mM potassium. The high selectivity of the complex for potassium over other physiological cations, and especially sodium (93 fold), is likely due to a favorable cation-π ( interaction between a phenol moiety and the potassium ion.

Original languageEnglish (US)
Pages (from-to)434-435
Number of pages2
JournalJournal of the American Chemical Society
Volume131
Issue number2
DOIs
StatePublished - Jan 21 2009

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