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I'oly-3-methylthiophene-modified platinum electrodes are useful for measuring trace levels of chromium( VI) oxyanions. Chromium( 111) species do not interfere. The nature o f the response is elucidated using scanning electron microscopy and electron microprobe analysis.

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The use of conducting polymer stationary phases in affinity chromatography has been investigated. The application of applied potential on the antibody-antigen interaction was investigated during the trapping and elution stages.Amino acid analysis was employed to examine the incorporation of antigen into the stationary phase. Immunoassays were used to examine the activity of the polymer when exposed to Anti-HSA.

No abstract