ArticleAnalytical chemistry2026
Ionophore-Based Ion-Selective Optodes Using Hydrocarbons as Ultralow-Polarity Media.
Article in Analytical chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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4 authors.
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Abstract
Ionophore-based ion-selective optodes, together with ion-selective electrodes, constitute a highly selective class of chemical sensors for detecting ionic species such as electrolytes. The choice of water-immiscible matrix in these sensors critically affects their analytical performance such as sensitivity and selectivity. In this study, we investigate ion-selective optodes that employ high-molecular-weight hydrocarbons as a new class of solvents. Compared with conventional plasticizers, hydrocarbons such as hexadecane dramatically enhance the sensitivity of ion-selective optodes by up to 4 orders of magnitude and substantially improve their selectivity. This enhancement arises from the stronger ionophore-ion binding affinity in the ultralow-polarity medium, leading to nearly complete extraction of the analyte ions and an exhaustive response with high sensitivity. The total color change is also expanded because the pH-sensitive chromoionophore exhibits a higher p
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