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  • Title: Aptamer conformational switch as sensitive electrochemical biosensor for potassium ion recognition.
    Author: Radi AE, O'Sullivan CK.
    Journal: Chem Commun (Camb); 2006 Aug 28; (32):3432-4. PubMed ID: 16896485.
    Abstract:
    We report the first use of an electrochemical aptasensor for selective potassium recognition, based on a conformational change, affording an electric signal transduced electrochemically by square wave voltammetry or electrochemical impedance spectroscopy.
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