229 results about "Quinone" patented technology

According to the cell fixing liquid, phenol oxidase is used for catalyzing phenol to be oxidized into a quinone structure, the quinone structure reacts with protein amido to form light covalent immobilization, cell immobilization is achieved, a stable hydration environment and membrane protection are provided through the ionic liquid solvent choline dihydrogen phosphate, a phosphate-free buffer system is provided, and cell immobilization is achieved. Therefore, a novel cell fixing liquid is obtained, the cell structure integrity required by cell imaging analysis is effectively reserved, meanwhile, cell staining fluorescence signal interference is avoided, and therefore the accuracy of cell counting and cell imaging analysis is ensured.

The invention relates to the technical field of organic photoelectric materials, and particularly discloses a non-condensed ring small molecule acceptor material based on a quinonoid structure as well as a preparation method and application of the non-condensed ring small molecule acceptor material. According to the invention, easily available 1, 4-diacetyl piperazine-2, 5-diketone is used as a center, an alkyl chain and Ar are used for modification, EG is used as an end group, the non-condensed ring A-D-A '-D-A type structure acceptor material based on a quinone structure is constructed, and the general formula is shown in the specification. Wherein the PCE of the acceptor material which is modified by bithiophene and takes 2-(3-ethyl-4-oxothiazolidine-2-subunit) malononitrile as a terminal group reaches 15%. The non-condensed ring small molecule acceptor material based on the quinonoid structure is simple in synthesis process, and an effective strategy is provided for solving the problem of the overall performance of an organic solar cell.

The invention provides a diaphragm and a secondary battery, and belongs to the technical field of secondary batteries, and the diaphragm comprises a base membrane and a coating. Wherein the coating is arranged on one surface, facing the positive pole piece, of the base film, and the coating comprises an electroactive material and a binder; the electroactive material comprises at least one of a quinone derivative, a phenazine derivative, an imide derivative and a phenothiazine derivative. The electroactive material in the diaphragm coating can be dissolved in the electrolyte after the environment temperature reaches the thermal safety critical temperature, and reacts with the positive and negative active materials, so that the charge state of the battery is quickly reduced, and the thermal runaway of the battery is inhibited or even avoided.

The embodiment of the invention relates to an off-grid comprehensive energy supply system taking ammonia as an energy carrier. The off-grid comprehensive energy supply system comprises a power generation system and an ammonia synthesis system, wherein the power generation system comprises a main power generation module and a secondary power generation module, the main power generation module at least comprises a wind power generation module and a photovoltaic power generation module, the secondary power generation module at least comprises a nuclear energy power generation module and a biomass power generation module, and the power generation system is used for providing electric energy for the ammonia synthesis system; the ammonia synthesis system at least comprises one of the following devices: an electrochemical ammonia synthesis device and a Harberg method ammonia synthesis device, and the electrochemical ammonia synthesis device is a device which utilizes hydrogen and nitrogen as raw materials and utilizes lithium and quinone organic matters as electron transfer media to realize electrochemical synthesis reaction of ammonia; stable electric energy and heat energy supply is realized by integrating wind, light, core and biomass power generation processes, and is used as an energy source for ammonia preparation, and the prepared ammonia is easy to liquefy, convenient to transport and wide in application.

The application discloses an automatic control method for oxidation flocculation parameters in mancozeb wastewater treatment, and belongs to the technical field of industrial wastewater treatment and automatic control. In view of the problem that the existing process relies on manual experience and the oxidation and flocculation stages are improperly connected, the multifunctional modified material containing dithiocarbamate salt groups, quinone groups and pre-complexed manganese and zinc ions is prepared first; the material and hydrogen peroxide are synchronously added in the acid oxidation stage, and the control system monitors the redox potential change rate in real time; when the redox potential reaches the preset threshold value and the characteristic change point with the first derivative of zero or the change from positive to negative appears and is maintained for the preset maintenance time, the system is automatically adjusted to be alkaline, the modified material triggers the net capture and chelation crosslinking reaction, and finally solid-liquid separation is carried out; the polymer skeleton is protected from indiscriminate attack of free radicals, the problem of drug antagonism is overcome, and the stable and up-to-standard effluent quality is realized.

Quinones for use in therapeutic recovery, normalization and / or improvement of ATP in mitochondrial deficient cells, such as red blood cells, are disclosed. Particular examples are use in the treatment of erythrocystic diseases, especially in the treatment of erythrocyte metabolic defects, such as erythrocyte glycolysis defects. This treatment increases ATP in non-mitochondrial cells. Thus, the present invention relates to quinones for use in the treatment of diseases or conditions associated with or caused by a glycolytic deficiency in red blood cells.

The invention relates to a process for the production of an organic layer comprising regions with different electronic properties. The process is based on the use of dihydroanthracene, dihydrobenzene, benzol or fluorene precursors functionalised with at least one substituted propargyl alcohol. By subjecting these precursors to a reduction / re-aromatisation reaction and / or to a retro-Favorskii reaction one obtains small organic molecules or polymers having different electronic properties, due to the specific chemical composition generated by the different chemical reactions in which the precursors are involved. Therefore, starting from the same precursor and subjecting it alternatively to the two specified reactions, one obtains products with different electronic properties. i.e. molecules characterised by high energy levels of the highest occupied molecular orbital (HOMO), which have at least one aromatic ring substituted with at least one ethynyl group, and molecules characterised by lower energy levels of the lowest unoccupied molecular orbital (LUMO), which have at least one carbonyl functionality, preferably at least one quinone ring or at least one phenyl with at least one carbonyl functionality. The reactions are carried out in such a way that the final products are incorporated into a single organic layer.

The invention relates to the technical field of solid waste resource utilization and building materials, in particular to waste glass fiber reinforced plastic modified concrete and a preparation method thereof. The waste glass fiber reinforced plastic powder is directly added into a concrete material system, microcracks are easily caused, and the overall mechanical property of the concrete is remarkably reduced. In order to solve the technical problems, the waste glass fiber reinforced plastic modified concrete is provided, a PTA coating layer rich in high-activity quinonyl is successfully constructed on the surface of glass fiber reinforced plastic powder through alkaline oxidation auto-polymerization of tannic acid, meanwhile, amino at the tail end of m-KH550 reacts with quinonyl on the surface of GF-coated PTA through Schiff base reaction, a firm imine covalent bond is formed, and therefore the waste glass fiber reinforced plastic modified concrete is obtained. Covalent crosslinking is formed between the glass fiber reinforced plastic powder and the active metakaolin. By introducing the waste glass fiber reinforced plastic powder into a concrete system, the overall mechanical property of the concrete can be remarkably improved.

The application prepares an NP co-doped graphite nanosheet electrocatalyst, and has the advantages of simple and efficient preparation method, easy operation, low cost and practical application significance. The application takes cheap graphite powder as raw material, takes melamine and sodium hypophosphite as nitrogen source and phosphorus source respectively, and prepares the NP co-doped graphite nanosheet in a tube furnace through a high-temperature gas phase method. The NP co-doped graphite nanosheet is activated by electrochemistry to generate adjacent quinone structures with basic OER activity and further oxidize P-containing functional groups to obtain more phosphoric acid functional groups with HER activity, and the NP co-doped graphite nanosheet exhibits excellent electrocatalytic performance. The overpotential of the basic OER is only 314 mV, and the overpotential of the acidic HER is only-69.4 mV.

The invention discloses a high-stability pyrene tetraketone quinone polymer negative electrode material as well as a preparation method and application thereof. The negative electrode material is prepared by taking pyrene-4, 5, 9, 10-tetraone and an aminoquinone compound as reaction monomers through condensation reaction in a solvent medium, and a stable polymer structure with an expanded pi conjugated skeleton and rich proton storage active sites can be formed; the material effectively improves proton storage capacity, charge transfer dynamic performance and structural stability in a long-term cycle process, shows outstanding electrochemical performance after being assembled into an organic water-based proton battery, effectively solves the defects that a traditional organic electrode material is easy to dissolve in a water-based system, limited in specific capacity and short in cycle life, and has a wide application prospect. The method has a good application prospect in the field of energy conversion such as large-scale electrochemical energy storage.

The invention discloses an antibacterial composite coated fabric suitable for a physiological period, a swimsuit and a preparation process, and belongs to the field of textile fabrics, a C = N Schiff base covalent bond is formed through a coating-fiber interface, o-quinone generated by oxidation of tannic acid and cotton hydroxyl / chitosan amino are subjected to a Schiff base reaction to generate irreversible C = N crosslinking, and through hydrolytic condensation of KH-550, the antibacterial composite coated fabric suitable for the physiological period, the swimsuit suitable for the physiological period and the preparation process of the swimsuit suitable for the physiological period are obtained. Silanol and cellulose hydroxyl are dehydrated to form hydrolysis-resistant ether bonds, so that a water molecule insertion path of a coating-fiber interface is blocked, and high hydrophobicity is provided; the prepared antibacterial composite coating fabric has the advantages of super-hydrophobicity, antibiosis, self-repairing and one-way moisture conduction, and is suitable for the fields of female bathing suit cushion layers, medical nursing clothes, protective clothing, washable medical clothing and the like.

The application discloses application of pyrroloquinoline quinone (PQQ) or a derivative thereof in preparation of a product for relieving or preventing blue-green algae toxin poisoning of yellow catfish, and belongs to the technical field of aquatic animal feed. The PQQ or the derivative thereof can be used as an aquatic feed additive or a medicine, and is added in an amount of 3-6 mg / kg of feed to feed yellow catfish, so as to effectively relieve pathological damage of the liver of the yellow catfish caused by blue-green algae toxin through various ways such as improving key enzyme activity of liver function, inhibiting liver oxidative stress, relieving inflammatory reaction and reducing structural damage of tissues. The PQQ is a new food raw material approved in China in 2022, has advantages of high safety, good water solubility, moderate cost, similar dosage to that of feed vitamins and the like, and provides a safe, economical and convenient new nutritional intervention strategy for blue-green algae toxin poisoning of the yellow catfish, and has a wide industrial application prospect.

The invention provides a method for preparing allyl alcohol through epoxypropane isomerization, and relates to the technical field of chemical synthesis. According to the method, propylene oxide is subjected to an isomerization reaction in the presence of a polymerization inhibitor to prepare allyl alcohol; wherein the polymerization inhibitor is a phenol polymerization inhibitor and / or a quinone polymerization inhibitor. The technical scheme of the invention can effectively reduce the deactivation rate of the catalyst and prolong the service life of the catalyst. The method for preparing allyl alcohol through epoxypropane isomerization is high in production efficiency and low in production cost, and has important industrial application value.

The invention belongs to the technical field of magnesium ion batteries, and particularly relates to an in-situ synthesized aqueous magnesium ion battery organic composite negative electrode material, a preparation method and a negative electrode. The negative electrode material provided by the invention is a negative electrode material PDBM (at) KB obtained by introducing a formaldehyde solution into a suspension liquid of 2, 5-dihydroxy-1, 4-benzoquinone and conductive carbon which are uniformly mixed, carrying out quinone-aldehyde condensation polymerization under the catalysis of glacial acetic acid and carrying out in-situ synthesis; meanwhile, the distribution of KB in the negative electrode material PDBM (at) KB is further improved through the technological means of ultrasonic dispersion, vacuum infiltration and the like, a rapid ion transmission channel is constructed, the utilization rate of PDBM active substances is remarkably increased, and the aqueous magnesium ion battery with the PDBM / KB as the negative electrode shows high capacity, long circulation, high rate performance and high power performance; therefore, the technical problem that an existing magnesium ion battery electrode material is low in performance is solved.

This invention relates to the field of genetic engineering technology, specifically to a mutant NAD(P)H-quinone dehydrogenase, engineered microorganisms, and their applications. The mutant NAD(P)H-quinone dehydrogenase provided by this invention can effectively enhance the threonine production capacity of bacterial strains. Introducing this mutant NAD(P)H-quinone dehydrogenase into bacterial strains significantly improves the threonine yield and conversion rate. This mutant NAD(P)H-quinone dehydrogenase provides a new strategy and method for improving the performance of amino acid-producing strains such as threonine, and has promising application prospects in amino acid strain modification.

The application relates to the technical field of analysis and detection, in particular to a detection method for a strong-toxic new pollutant 6PPD-quinone, which comprises the following steps: adopting a magnetic molecular imprinting polymer to perform specific adsorption on 6PPD-quinone in a water sample to be detected, eluting, and obtaining a sample liquid rich in 6PPD-quinone; and then adopting a single-atom colorimetric detection method to detect the sample liquid. The method realizes the enrichment of the target 6PPD-quinone, simplifies the pretreatment steps, releases the hands of the detection personnel, and realizes the high-sensitivity and high-selectivity detection of the content of 6PPD-quinone by combining the single-atom colorimetric detection method, so that the method can break through the limitation of large instruments and provide a brand-new solution for realizing the on-site, rapid and low-cost monitoring of ultra-trace 6PPD-quinone in the environment.

To provide a target substance sensing sheet with improved safety.SOLUTION: A target substance sensing sheet 20 has a first adhesive layer 5a containing an indicator that changes color in the presence of a target substance. The indicator is at least one selected from substances approved as food additives in Japan and substances extracted from food that are not approved as food additives. The indicator used may be at least one selected from the group including at least one polyphenol compound and at least one quinone dye.SELECTED DRAWING: Figure 1

The invention relates to the technical field of quinone pollutant wastewater treatment, and discloses a system treatment device based on quinone pollutants in industrial production wastewater, the system treatment device comprises a filter bin mechanism, a water pump assembly and a photoreaction degradation bin, sewage in the filter bin mechanism is conveyed into the photoreaction degradation bin through the water pump assembly, and the photoreaction degradation bin is connected with the filter bin mechanism through the water pump assembly; a drainage port is formed in the output end of the photoreaction degradation bin, and the filtering bin mechanism and the photoreaction degradation bin are of an integrally-formed structure; according to the system treatment device based on the quinone pollutants in the industrial production wastewater, the filtering mechanism efficiently filters rubber particles in the wastewater through multiple layers of industrial filter cloth, the problem that in a traditional filtering technology, efficiency is reduced due to blockage of the filter cloth is solved, secondly, through the synergistic effect of photodecomposition reaction and a catalyst, the efficiency of the photoreaction degradation bin is improved, and the efficiency is improved. Quinones pollutants can be effectively degraded, and the removal efficiency of wastewater treatment is remarkably improved.

According to the polyquinone diazacyclo organic positive electrode material and the preparation method thereof, the organic positive electrode material can be applied to lithium ion, sodium ion, potassium ion and multivalent ion batteries, the synthesis method is simple, and large-scale preparation can be realized. According to the organic positive electrode material, quinone is used as a redox unit, a dinitrogen heterocyclic ring is used as a connecting structure, the prepared polymer has proper flexibility, a proper space is provided for intercalation / deintercalation, and good cycle performance is shown in a multivalent ion battery. According to the preparation method, 2, 5-halogenated-1, 4-benzoquinone derivatives and diazacyclo derivatives are used as reaction raw materials to carry out condensation reaction. Experiments prove that by taking the poly (2, 3, 5, 6-tetrachloro-1, 4-benzoquinone-imidazoline) positive electrode material as an example, in the application of the zinc ion battery, the capacity retention ratio is 82% after 250 cycles under the current density of 0.1 A g <-1 >.

The invention discloses a self-generating electrical stimulation composite hydrogel as well as a preparation method and application thereof. According to the invention, by utilizing the characteristic that polyphenol monomer phenolic hydroxyl groups can coordinate with sodium ions after oxidation, sodium-ion-rich negative electrode hydrogel is prepared, positive electrode hydrogel containing hollow mesoporous Prussian blue nanoparticles is prepared, and the sodium-ion-rich negative electrode hydrogel and the positive electrode hydrogel are assembled together, so that the sodium-ion-rich positive electrode hydrogel is obtained. Therefore, the sodium ion concentration gradient in the negative electrode and the iron ion valence state change of the Brussian blue in the positive electrode are utilized to realize the embedding of sodium ions, and the sodium ions stably and unidirectionally move in the composite hydrogel to generate potential, so that the composite hydrogel can continuously release micro-current, and the effect of providing continuous electrical stimulation for in-vivo and in-vitro tissues is achieved. Besides, based on the chemical mechanism of self-adhesion phenol quinonyl, the long-term stable self-adhesion of the water adhesive is realized, the water adhesive can be adhered to the surface of human tissue, and the functional stability of the water adhesive is ensured.

The invention discloses a two-step water electrolysis hydrogen production device based on a three-electrode system and a hydrogen production method, and belongs to the technical field of water electrolysis, the two-step water electrolysis hydrogen production device comprises an oxygen evolution catalytic electrode, a hydrogen evolution catalytic electrode and a quinone polymer electrode HMND, the HMND is reduced in an acidic electrolyte to form a negatively charged intermediate, and the negatively charged intermediate and hydrogen ions are subjected to a coordination reaction to form HMND-2H; hydrogen ions are subjected to electrochemical reduction at the cathode oxygen evolution catalytic electrode to generate hydrogen, the HMND-2H electrode is subjected to electrochemical oxidation to form an HMND electrode, and electrons flow to the hydrogen evolution catalytic electrode from the HMND-2H electrode through an external circuit; the HMND electrode is electrochemically reduced into an HMND-2H electrode, water molecules are electrochemically oxidized into oxygen on the surface of the oxygen evolution catalytic electrode, and electrons flow to the HMND electrode from the oxygen evolution catalytic electrode through an external circuit; the hydrogen production process and the oxygen production process of the acidic electrolyzed water are carried out step by step, a diaphragm is not needed, and the method is low in toxicity, low in cost and environment-friendly.

The application discloses a kind of by mesoporous Fe 0 Nanometer material enhances the method for activity of gallic acid and application thereof.The present application fixes gallic acid (GA) with redox activity in mesoporous zero-valent iron nanoparticles (Fe 0 NPs), and then encapsulated by SiO2 outer layer containing disulfide bond (denoted as Fe 0 @GA-ss-SiO2NPs). With the help of intracellular glutathione, oxygen molecules are activated by electron transfer, and a large amount of O2 ·‑ And H2O2 are spontaneously generated, and the sustained high concentration of Fe 0 Fe 2+ Further catalyzes the decomposition of H2O2, and generates highly oxidized ·OH free radicals. At the same time, GA quinone derivatives produce 1 O2 by Russel mechanism. In vitro cell experiments confirm that the nanometer material can cause cancer cell ferroptosis, and exhibits high-efficiency cancer cell killing effect at ultra-low dose.

The invention relates to a triarylmethane compound with high optical purity as well as a preparation method and application of the triarylmethane compound. Specifically, according to the method, monovalent rhodium / chiral diene ligand and monovalent gold are used as catalysts, and selective preparation of the chiral triarylmethane compound is realized through asymmetric 1, 4-addition reaction of an aryl rhodium species obtained through metallization of arylboronic acid on an in-situ generated aza-o-methylene heteroaryl quinone intermediate. According to the method, the catalyst and the ligand are simple to prepare, the reaction condition is mild, the operation is simple and convenient, the substrate universality is good, and the chiral triarylmethane compound containing one, two and three heteroaromatic rings can be obtained with good yield and excellent enantioselectivity.

The invention discloses an enzyme targeted response type benzyl fluorine bridged glucoside gadolinium compound and application thereof as a magnetic resonance contrast agent. According to the invention, a high-stability macrocyclic gadolinium contrast agent is subjected to structural modification, a glycoside group and a benzyl fluorine bridging group with specific biological enzyme responsiveness are introduced, and the benzyl fluorine bridging group triggered by enzyme response forms a quinone methylation active intermediate; the quinone intermediate can react with a nucleophilic biomacromolecule functional group to form a covalent bond to obtain a gadolinium biomacromolecule compound, so that the magnetic resonance relaxation rate of gadolinium molecules can be remarkably improved, the enhancement of an MRI signal is realized, and the real-time specific enzyme tracking function of MRI is realized. Compared with the existing non-targeted responsive gadolinium contrast agent, the contrast agent provided by the invention has specific biological enzyme targeted responsiveness, can be used for real-time and non-invasive monitoring of diagnosis and treatment of enzyme function abnormality diseases, and has important significance in the aspects of precision medical treatment and the like.

The invention relates to a preparation method of a hollow fiber nanofiltration membrane, which comprises the following steps: S1, dropwise adding a first solution in which 1, 3-propane sultone is dissolved into a second solution in which tris (2-aminoethyl) amine is dissolved for reaction, and then sequentially precipitating, dialyzing and freeze-drying the reaction solution to obtain quaternized tris (2-aminoethyl) amine; s2, adding tannic acid into the Tris solution, stirring and dissolving to oxidize phenolic hydroxyl into quinonyl, and carrying out self-crosslinking polymerization; then adding quaternized tris (2-aminoethyl) amine, stirring, and carrying out a cross-linking reaction to obtain a membrane soaking solution; s3, sealing the two ends of the hollow fiber ultrafiltration membrane, soaking the hollow fiber ultrafiltration membrane in the membrane soaking liquid for 1-6 hours, and then airing the hollow fiber ultrafiltration membrane; and S4, soaking the hollow fiber ultrafiltration membrane soaked in the membrane soaking solution in a cysteamine solution, and further carrying out a cross-linking reaction to obtain the hollow fiber nanofiltration membrane. According to the invention, the nanofiltration membrane with good anti-pollution performance and separation performance can be prepared.

The current invention concerns a synergistically effective fungicide composition comprising as component (A) a fungicidally active amount of choline phosphonate and as component (B) at least one additional fungicide selected from the group comprising quinone fungicides, succinate dehydrogenase inhibitors, benzamide fungicides, sulphur fungicides, carboxylic acid amide fungicides, demethylation inhibitor fungicides, phenylamide fungicides, copper fungicides, piperidinyl thiazole isoxazoline fungicides and sugar alcohols, wherein a weight ratio of components (A) and (B) is in a range from 1:1000 to 1000:1.The invention further concerns a kit a use of a fungicide composition according to the invention in an amount effective for controlling one or more types of fungal infections by applying the fungicide composition to the fungal infections.

The invention relates to certain chromanol, quinone or hydroquinone compounds and derivatives thereof for treatment of Alzheimer's disease and / or for improving memory function and / or reducing plaque load. Specifically, the present invention relates to chromanol compounds chosen from (6-hydroxy-2,5,7,8-tetramethylchroman-2yl)(piperazin-1-5 yl)methanone, ((S)-6-hydroxy-2,5,7,8-tetramethyl-N-((R)-piperidin-3-yl)chroman-2- carboxamide hydrochloride and S-(6-hydroxy-2,5,7,8-tetramethylchroman-2-yl)(4-(2- hydroxyethyl)piperazin-1-yl)methanone, and pharmaceutically acceptable salts thereof.

The invention discloses a preparation method of a full-spectrum photothermal conversion eutectic material and application of the full-spectrum photothermal conversion eutectic material in water purification. The preparation method comprises the following steps: mixing an electron donor and an electron acceptor, adding dichloromethane, performing ultrasonic dissolution, adding ethanol, and continuously performing ultrasonic uniform mixing; finally, after the solvent is volatilized at room temperature, crystals are separated out, and the eutectic material is obtained. The electron donor is tetramethyl p-phenylenediamine and / or tetramethyl biphenyl diamine; and the electron acceptor is one or more of tetracyanobenzene, chloranil and tetrabromobenzoquinone. By gradually adjusting the electron donor-acceptor structure, the band gap structure of the eutectic is changed, and the light absorption range of the eutectic is gradually expanded to a near-infrared second region. The eutectic material provided by the invention has photo-thermal conversion performance of a near-infrared first zone and a near-infrared second zone, the highest temperature can reach 178 DEG C, and the photo-thermal conversion efficiency can reach 87.5%. Eutectic is loaded on the non-woven fabric to serve as a heat source, and water evaporation and purification can be achieved through a xenon lamp or sunlight irradiation.

The present application relates to a new use of Veronica longifolia quinone A, and in particular to the use of Veronica longifolia quinone A in the preparation of a drug for preventing or treating thromboembolic diseases. The present application finds that Veronica longifolia quinone A can significantly inhibit the platelet aggregation activity induced by different inducers in vitro: in the thrombus model experiment in vivo, the Veronica longifolia quinone A of the present application can well inhibit the FeCl3-induced carotid artery thrombosis in mice. At the same time, it is found that the Veronica longifolia quinone A of the present application does not have obvious bleeding tendency. It is shown that Veronica longifolia quinone A is expected to play a certain positive role in the prevention or treatment of thromboembolic diseases.

The present invention relates to a process for producing hydrogen peroxide by the AO process, comprising the two alternating steps of: hydrogenation of a working solution in the presence of a catalyst, said working solution containing at least one quinone dissolved in at least one organic solvent, in order to obtain at least one corresponding hydroquinone; and oxidation of said at least one hydroquinone;the solvent corresponding to formula (I) below:in which n is an integer greater than or equal to 8.