Are biosensor arrays in one membrane possible? A combination of multifrequency impedance measurements and chemometrics

• A novel concept of a membrane-based micro-array biosensor is presented. The methodology is based on a single lipid membrane interrogated with electrochemical impedance techniques followed by multivariate data analysis. A single membrane is designed so that relaxation processes with a range of time constants can be probed at different potentials. A range of other approaches cited in the literature is reviewed.

Nyckelord

Membrane-based biosensor

Micro array

Electrochemical impedance spectroscopy

Chemometrics

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