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We recently presented a calcium-selective thin-layer coulometric system in view of realizing recalibration free ion sensors. A multi-pulse protocol allowing for a significant background current correction was further modified here by a numerical evaluation of the electrolysis end-point. A potassium-selective system was studied here within the 10μM to 1mM KCl concentration range with a 10mM LiCl as...
Hexanedioldiacrylate (HDDA) cross-linked dodecyl acrylate (DDA) microspheres ranging from approximately 1 to 10μm in diameter have been prepared via photoinitiated dispersion polymerization and used as polymer matrices in the development of a new class of ''plasticizer-free'' ion-selective optical sensors (optodes). Incorporation of a fluorescent Nile Blue derivative (ETH 5294) into the microspheres...
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