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Analytical Sciences
Vol. 31 (2015) No. 7 p. 725-728

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http://doi.org/10.2116/analsci.31.725

Notes

We herein report on the development of an extended-gate type organic field-effect transistor (OFET)-based immunosensor for the detection of human immunoglobulin A (IgA). The titration results of IgA exhibited shifts in the transfer characteristics of the OFET sensor device with increasing IgA concentration. A linear detection range from 0 to 10 μg/mL was realized with a detection limit of 2.1 μg/mL, indicating that the OFET-based immunosensor can be potentially applied to the monitoring of infectious diseases and psychological stress in daily life.
Copyright © 2015 by The Japan Society for Analytical Chemistry

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