Electrochemical Impedance Spectroscopy (EIS) has been applied to the detection of analytes for
immunosensors [1-3]. The development of hand held devices based on this technique is a very
promising prospect for point-of-care applications and is an attractive alternative to laboratory-based
immunochemical analysis [1, 4]. The work in this paper will focus primarily on the development of an
EIS method of transduction for immunoassay detection that could be potentially introduced into a hand
held point-of-care device. Varying geometries of IDEs will be reported and discussed to improve the
detection of antigen.
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