| 摘要 |
It is an object of the present invention to provide a biosensor substrate that prevents non-specific adsorption and is used for immobilizing a physiologically active substance. The present invention provides a biosensor substrate which comprises an inorganic oxide film and a hydrophilic polymer having a physiologically active substance-immobilizing group on the substrate, wherein the hydrophilic polymer is bound to the inorganic oxide film through a low molecular compound.
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