Electrogeneration of a biotinylated poly(pyrrole-ruthenium(II)) film for the construction of photoelectrochemical immunosensor.


A biotinylated photosensitive polymer was electrogenerated from on a ruthenium complex bearing biotin and pyrrole groups; the resulting polypyrrolic film allowed the bioaffine immobilisation of avidin and biotinylated cholera toxin and the photoelectrochemical detection of the corresponding antibody. 


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