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The electrochemical behavior of indomethacin on the surface of a carbon-ceramic electrode
modified with multi-walled carbon nanotubes and an ionic liquid composite film is reported.
The results show that the nano-structured film exhibited excellent enhancement effects on
the electrochemical oxidation of indomethacin. The developed sensor presented a linear
response to indomethacin over the concentration range from 1 to 50 lM with a detection
limit of 0.26 lM. The proposed modified electrode was employed for the determination
of indomethacin in biological and pharmaceutical samples using differential pulse
voltammetry.
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