Electrochemical immunosensor and kit and method for detecting biochemical anylyte using the sensor
First Claim
1. An electrochemical immunosensor comprising:
- a substrate;
an electrode or an electrode array formed on the substrate; and
a biological sensor layer formed on the electrode or the electrode array and including a polymeric dendrimer monolayer with an antigen or a ligand residue immobilized on the surface thereof.
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Abstract
An electrochemical immunosensor including a biological sensor layer with an antigen or a ligand residue immobilized thereon, and a biochemical analyte detection kit and method for electrochemically signaling a biological reaction occurring in the biological sensor layer are provided. The electrochemical immunosensor includes a substrate, an electrode or an electrode array formed on the substrate, and a biological sensor layer formed on the electrode or the electrode array and including a polymeric dendrimer monolayer with an antigen or a ligand residue immobilized on the surface thereof. The biological sensor layer further includes an adhesive layer for biomolecular immobilization between the electrode and the polymeric dendrimer monolayer.
150 Citations
20 Claims
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1. An electrochemical immunosensor comprising:
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a substrate;
an electrode or an electrode array formed on the substrate; and
a biological sensor layer formed on the electrode or the electrode array and including a polymeric dendrimer monolayer with an antigen or a ligand residue immobilized on the surface thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 17, 18, 19, 20)
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10. A biochemical analyte detection kit comprising:
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an electrochemical immunosensor having a biological sensor layer including a self-assembled monolayer formed on an electrode and a polymeric dendrimer monomer with an antigen or a ligand residue immobilized on the surface thereof;
a buffer solution as a dilution of an antibody or a receptor capable of specifically binding to the antigen or the ligand residue in the polymeric dendrimer monolayer, respectively;
a precipitation substrate; and
a labeled catalytic enzyme capable of binding to an antibody or a receptor to discriminate whether a specific interaction between the antigen and the antibody or between the ligand residue and the receptor has occurred and inducing precipitation from the precipitation substrate. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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Specification