Dopamine-selective potentiometric responses by new ditopic sensory elements based on a hexahomotrioxacalix[3]arene |
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Authors: | Saijo Ryosuke Tsunekawa Saori Murakami Hiroyuki Shirai Naohiro Ikeda Shin-ichi Odashima Kazunori |
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Institution: | Graduate School of Pharmaceutical Sciences, Nagoya City University, Mizuho-ku, Nagoya 467-8603, Japan. |
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Abstract: | New ditopic sensory elements 2 and 3 for catecholamines based on a hexahomotrioxacalix3]arene, with a boronic acid substituent appended, were designed and synthesized. As an interesting mode of molecular recognition at membrane surfaces, the host, when incorporated into poly(vinyl chloride) (PVC) liquid membranes, displayed excellent potentiometric selectivity for dopamine over other catecholamines (noradrenaline and adrenaline) and inorganic cations (Na+, K+, and NH4+). |
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