期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 131, 期 2, 页码 434-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja8077889
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- University of Minnesota
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-pi interaction between a phenol moiety and the potassium ion.
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