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

Aurore Thibori; Valérie C. Pierre

doi:10.1021/ja8077889

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

Aurore Thibori, Valérie C. Pierre

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

133 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 language	English (US)
Pages (from-to)	434-435
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	131
Issue number	2
DOIs	https://doi.org/10.1021/ja8077889
State	Published - Jan 21 2009

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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.",

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N2 - 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.

AB - 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.

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

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