A ratiometric probe for the selective time-gated luminescence detection of potassium in water

Evan A. Weitz; Valérie C. Pierre

doi:10.1039/c0cc02637a

A ratiometric probe for the selective time-gated luminescence detection of potassium in water

Evan A. Weitz, Valérie C. Pierre

Chemistry (Twin Cities)

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41 Scopus citations

Abstract

A europium probe for the ratiometric detection of potassium in water is presented. This probe demonstrates high sensitivity, with an affinity for K ⁺ in the mM range, and high selectivity for K⁺ over Na⁺, Ca²⁺, Mg²⁺ and Li⁺. The long luminescence lifetime of the probe and its large Stokes shift further enable accurate determination of the concentration of K⁺ in complex aqueous media.

Original language	English (US)
Pages (from-to)	541-543
Number of pages	3
Journal	Chemical Communications
Volume	47
Issue number	1
DOIs	https://doi.org/10.1039/c0cc02637a
State	Published - Jan 7 2011

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abstract = "A europium probe for the ratiometric detection of potassium in water is presented. This probe demonstrates high sensitivity, with an affinity for K + in the mM range, and high selectivity for K+ over Na+, Ca2+, Mg2+ and Li+. The long luminescence lifetime of the probe and its large Stokes shift further enable accurate determination of the concentration of K+ in complex aqueous media.",

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AB - A europium probe for the ratiometric detection of potassium in water is presented. This probe demonstrates high sensitivity, with an affinity for K + in the mM range, and high selectivity for K+ over Na+, Ca2+, Mg2+ and Li+. The long luminescence lifetime of the probe and its large Stokes shift further enable accurate determination of the concentration of K+ in complex aqueous media.

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A ratiometric probe for the selective time-gated luminescence detection of potassium in water

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