Journal
ANALYTICAL CHEMISTRY
Volume 82, Issue 1, Pages 436-440Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ac901570u
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- National Natural Science Foundation of China [20890021, 973:2007CB936404]
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A novel magnesium-selective ion-channel mimetic sensor based on a well-known calcium ionophore, ETH 5234, was demonstrated. Due to different stoichiometry of the ionophore with Mg2+ and Ca2+, the sensor exhibits high selectivity to Mg2+ by controlling ionophore concentration on the electrode surface, which allows the measurement of Mg2+ in a 1 mM Ca2+ background solution.
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