Fluorescent lipophilic lithium ionophores

Margaret E. Langmuir; Richard Laura

doi:10.1117/12.144736

18 May 1993 Fluorescent lipophilic lithium ionophores

Margaret E. Langmuir, Richard Laura

Proceedings Volume 1885, Advances in Fluorescence Sensing Technology; (1993) https://doi.org/10.1117/12.144736
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

Ionophores which are at the same time selective and sensitive for lithium ion in the presence of physiologically relevant concentrations of sodium, potassium, and hydrogen ions have been the subject of much research for application to ion selective electrodes. We report here our recent work to design, synthesize, and test both neutral and anionic ionophores which respond selectively and reversibly to lithium ion with an increase in fluorescence. The intent is to produce lithium sensitive fluorophores for fiber optic sensing. Selectivities of fluorescent acyclic and crown macrocyclic ionophores are described in acetonitrile and aqueous/chloroform solvent systems.

Citation Download Citation

Margaret E. Langmuir and Richard Laura "Fluorescent lipophilic lithium ionophores", Proc. SPIE 1885, Advances in Fluorescence Sensing Technology, (18 May 1993); https://doi.org/10.1117/12.144736

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