Electrostatic deposition of polycations and polyanions onto cysteine monolayers.

Abstract

Electrochemical impedance spectroscopy and the quartz crystal microbalance are used to monitor the deposition of polyelectrolytes onto an interface modified with a monolayer of cysteine. When using an anionic redox probe, Fe(CN)(6)(-4), the impedance of the cysteine modified electrode is a function of the solution pH; the charge-transfer resistance being… (More)
DOI: 10.1016/j.jcis.2008.12.010

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