44results about How to "Reduce signal background" patented technology

The invention discloses a renin chemiluminescence detection kit, the kit includes a reagent 1 and a reagent 2, the reagent 1 includes buffer, magnetic particles, biotin-labeled anti-renin monoclonal antibody and polyhydric alcohol; And the reagent 2 includes buffer, acridinium ester-labeled anti-renin monoclonal antibody and polyhydroxy sugar. The renin detection kit of the invention has high sensitivity, good accuracy and can reduce detection cost.

The invention discloses a fabrication method of a cobalt-nickel oxide-based nitrofuran antibiotics sensor, and belongs to the technical field of novel nanometer functional material and biological sensing analysis. A cobalt-nickel thermometal oxide nanosheet array is fabricated on a disposable throwable electrode, a polydopamine thin film and a molecular imprinting polymer are directly and sequentially fabricated on the cobalt-nickel thermometal oxide nanosheet array by an in-situ growth method according to large specific area, and the molecular imprinting polymer is coated with luminal in an in-situ way and takes nitrofuran antibiotics as a template molecule. After the template molecule is eluted, the original position of the template molecule is changed to holes, and the molecular imprinting molecule of the template molecule is eluted. Therefore, the cobalt-nickel oxide-based nitrofuran antibiotics sensor is fabricated and completed.

The invention discloses a preparation method of an environmental estrogen electrochemical luminescence sensor. It belongs to the field of new nano functional material and biosensing analysis technology. In the present invention, cobalt oxide nanosheet arrays are firstly prepared on disposable disposable electrodes, and polydopamine films and in-situ coatings are successively prepared directly on the iron oxide nanosheet arrays by utilizing its large specific surface area and adopting an in-situ growth method. Molecularly imprinted polymers covered with luminol that use environmental estrogen as template molecules, after the template molecules are eluted, the position of the original template molecules becomes a hole, that is, the molecularly imprinted polymers that elute the template molecules, thus , an environmental estrogen electrochemiluminescence sensor is prepared.

The invention discloses a preparation method of a tetracyclic antibiotic electrochemiluminescence sensor. It belongs to the field of new nano functional material and biosensing analysis technology. In the present invention, a nickel-iron bimetallic nitride nanosheet array is firstly prepared on a disposable disposable electrode, using its large specific surface area and high adsorption activity to amino groups, as well as the amino functional group of polydopamine, and adopts the method of in-situ growth, A polydopamine film and a molecularly imprinted polymer with tetracyclic antibiotics as a template molecule coated with luminol were directly and successively prepared on the nickel-iron double metal nitride nanosheet array. After the template molecule was eluted, The position of the original template molecule becomes a hole, that is, the molecularly imprinted polymer that elutes the template molecule, thus, a tetracyclic antibiotic electrochemiluminescence sensor is prepared.

The invention discloses a preparation method of a clenbuterol electrochemical sensing electrode, and belongs to the technical fields of novel nano function materials and food safety analysis. According to the method, firstly, an iron-hydroxide nano sheet array is prepared on a disposable electrode, a large specific surface area and highly-active hydroxyl functional-groups thereof, hydroxyl functional-groups of poly-dopamine and an in-situ growth method are utilized for successively and directly preparing a poly-dopamine film containing electron mediators and molecularly imprinted polymers withclenbuterol as template molecules on the iron-hydroxide nano sheet array, positions of original template molecules become holes after template molecule elution, that is, the molecularly imprinted polymers of the template molecules are eluted, and thus preparation of the clenbuterol electrochemical sensing electrode is completed.

The invention discloses a preparation method of a dimeform sensor based on a cobalt-based nitride nano-array. It belongs to the field of new nano functional material and biosensing analysis technology. In the present invention, a cobalt-nickel double-metal nitride nanosheet array is firstly prepared on a disposable disposable electrode, and by using its large specific surface area and high adsorption activity to amino groups, as well as the amino functional group of polydopamine, an in-situ growth method is adopted. Polydopamine films containing electron mediators and molecularly imprinted polymers with dimeform as template molecules were directly and successively prepared on the cobalt-nickel double metal nitride nanosheet arrays. After the template molecules were eluted, the original template molecules The position of the hole becomes a hole, that is, the molecularly imprinted polymer that elutes the template molecule. Thus, a cobalt-based nitride nanoarray-based sensor for dimeform is prepared.

The invention discloses a fabrication method of an environmental estrogen electrochemical light-emitting sensor, and belongs to the technical field of novel nanometer functional material and biological sensing analysis. A cobalt hydroxide nanosheet array is fabricated on a disposable throwable electrode, and an electronic medium-containing polydopamine thin film and a molecular imprinting polymertaking environmental estrogen as a template molecule are directly and sequentially fabricated on the cobalt hydroxide nanosheet array by an in-situ growth method according to large specific area, high-activity hydroxyl functional group and amide group of polydopamine. After the template molecule is eluted, the original position of the template molecule is changed to holes, and the molecular imprinting molecule of the template molecule is eluted. Therefore, the environmental estrogen electrochemical light-emitting sensor is fabricated and completed.

The invention discloses a preparation method of electrochemical sensor for sulfonamide molecule, and belongs to the technical field of new nano functional materials and biosensor. The method firstly prepares a nickel hydroxide nanosheet array on a disposable throwable electrode, and uses the large specific surface area and a high activity hydroxyl functional group and an amino functional group ofpolydopamine to sequentially prepare a polydopamine film containing an electron mediator and a molecularly imprinted polymer taking a sulfonamide molecule as a template molecule directly on the nickelhydroxide nanosheet array by adopting an in-situ growth method, after eluting the template molecule, the position of the original template molecule becomes a hole, that is, the molecularly imprintedpolymer eluting the template molecule, thus, an electrochemical sensor for the sulfonamide molecule is prepared.