Journal
ADVANCED MATERIALS
Volume 15, Issue 14, Pages 1184-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200304259
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Carbon nanotubes, compounded into plastic create bulk electrodes, form the basis of a novel sensor for biological assays. The nanotubes function as both a solid phase and working electrode for generation of electrochemiluminescence, the detection method used in this system. The Figure shows a scanning electron microscopy image of a composite used for an immunoassay. The bright spots in the image are 10 nm diameter gold colloids covalently attached to antibodies. The inset shows a region of a composite with no gold colloids.
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