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  • Title: Characterization of electrochemically deposited polypyrrole using magnetoelastic material transduction elements.
    Author: Ersöz A, Ball JC, Grimes CA, Bachas LG.
    Journal: Anal Chem; 2002 Aug 15; 74(16):4050-3. PubMed ID: 12199573.
    Abstract:
    Magnetoelastic alloy films have been used as a working electrode in an electrochemical cell. This material allows magnetic interrogation of electrochemical deposition. This technique was used to monitor the electrochemical deposition of polypyrrole by multisweep (CV) and potentiostatic methods. Since the determination of the mass-sensitive magnetoelastic film's resonance frequency is based on magnetic transduction, an inherent advantage of this method is that it requires no electrical connections other than the working lead of the potentiostat. Increases in pyrrole deposition correlated with a decrease in the peak resonance frequency of the magnetoelastic alloy. This technique provides a novel approach by which one can monitor electrochemical processes.
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