Biosensor with suppressed non-specific adsorption

Chemistry: analytical and immunological testing – Involving an insoluble carrier for immobilizing immunochemicals

Reexamination Certificate

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Details

C422S082110, C427S002110, C427S002130, C427S163200, C427S337000, C427S402000, C427S404000, C435S007100, C435S287100, C436S524000, C436S525000, C436S805000

Reexamination Certificate

active

07964414

ABSTRACT:
The present invention provides a biosensor, wherein non-specific adsorption on a surface that does not retain a physiologically active substance (reference unit) is suppressed. The biosensor of the invention includes a substrate having at least two types of surfaces on a single plane, wherein at least one of the surfaces does not retain a physiologically active substance, and wherein at least two types of hydrophilic compounds with different molecular weights are bound to the surface that does not retain a physiologically active substance.

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