Panasonic has received US Patent No. 8,496,794, "Biosensor, biosensor chip, and biosensor device." The described platform can electronically detect the binding reaction of a biological substance such as an oligonucleotide, antigen, enzyme, peptide, antibody, or glucose. It consists of a working electrode, a counter electrode, and working electrode and reference terminals connected to each other by wire. Using the platform, it is possible to assay a target substance without being influenced by the line resistance on the working electrode side, the inventors claim.

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