5 results about "Redox polymers" patented technology

The present invention relates to: a transition metal complex having a bidentate ligand including a pyrazole, a triazole, a tetrazole, an oxadiazole, or a thiadiazole, etc., wherein the transition metal complex is useful as an electron transfer mediator in a continuous blood glucose monitor, etc., for measuring a blood glucose concentration; and a redox polymer comprising the same. The transition metal complex and the redox polymer can exchange electrons quickly and smoothly between an enzyme and an electrode, and thus can be effectively used in a continuous blood glucose biosensor.

The present disclosure relates to a method for manufacturing a working electrode of a glucose monitoring probe, comprising: preparing a substrate; forming a base layer on the substrate; preparing a sensing layer reagent comprising a redox polymer, a glucose enzyme, a carbon nanotube, and a cross-linking agent, adding an amino modification to the carbon nanotube to enable the redox polymer and the carbon nanotube to form a covalent bond, and combining the carbon nanotube with the glucose enzyme, wherein the working voltage required by the working electrode is reduced under the catalytic action of the carbon nanotube, and the glucose enzyme is glucose oxidase; coating the sensing layer reagent on the base layer to form a sensing layer; forming a semi-permeable membrane on the sensing layer to control the passage rate of glucose molecules; and forming a biocompatible membrane on the semi-permeable membrane. According to the present disclosure, a method for manufacturing a working electrode of a glucose monitoring probe capable of reducing the working voltage of the working electrode and improving the reaction sensitivity to glucose can be provided.

The application develops a three-dimensional graphene and redox polymer composite electrode material through polymer interface engineering, optimizes the material structure and electrochemical properties by regulating and controlling the heat preparation parameters, realizes efficient capture of typical perfluorinated compounds, further integrates a boron-doped diamond electrode, constructs an electrochemical capture and conversion system, and can effectively separate and degrade trace concentration of perfluorinated compounds in industrial wastewater.

The application discloses a sensing layer containing self-assembled modified magnesium aluminum silicate, a sensor and a preparation method thereof. The sensing layer containing self-assembled modified magnesium aluminum silicate is formed by dropping and coating a sensing layer solution capable of self-assembling with a modified layer on the modified layer obtained by grafting a hydrophilic organic polymer on a working electrode of a flexible electrode. The sensing layer solution comprises a redox polymer, a tool enzyme, a crosslinking agent A and magnesium aluminum silicate. The mass ratio of the redox polymer, the tool enzyme, the crosslinking agent A and the magnesium aluminum silicate is 15-40:20-45:5-30:1-10. The hydrophilic organic polymer is grafted on the surface of the working electrode, and the hydrophilic organic polymer can be self-assembled with the magnesium aluminum silicate. The self-assembled and modified magnesium aluminum silicate has excellent gel performance and rheological property, has good film forming effect, and can improve the consistency, stability and accuracy of the sensor.

The present disclosure relates to a working electrode of a glucose monitoring probe that reduces interference, comprising a base layer, a sensing layer, a semipermeable membrane, and a biocompatible membrane, wherein the base layer is disposed on a flexible substrate; the sensing layer is formed on the base layer by coating a sensing layer reagent, which is capable of chemically reacting with glucose in blood or tissue fluid, wherein the sensing layer reagent comprises a redox polymer, a glucose enzyme, a carbon nanotube, and a cross-linking agent, wherein amino groups are added to the carbon nanotubes to tightly form a covalent bond between the redox polymer and the carbon nanotubes and bind to the glucose enzyme, thereby reducing the working voltage required for the working electrode under the catalytic action of the carbon nanotubes, wherein the glucose enzyme is glucose oxidase; the semipermeable membrane is formed on the sensing layer to control the passage rate of glucose molecules; and the biocompatible membrane is formed on the semipermeable membrane. According to the present disclosure, a working electrode of a glucose monitoring probe that can reduce interference is provided.