38results about How to "Fast inactivation" patented technology

The invention relates to a silicon-containing distillate oil hydrofining method, which adopts the method that the silicon-containing distillate oil raw material and hydrogen pass through at least two hydrofining catalyst beds under the hydrofining condition, the silicon-containing distillate oil raw material first passes through a hydrogenising catalyst bed with the silicon catching function, and then passes through a conventional hydrofining catalyst bed; wherein the hydrogenising catalyst with the silicon catching function has a greater pore volume and a specific surface area and a relatively lower metal content. Compared with the prior art, the method has the advantages that the process is simple, the good hydrodesulfurization and hydrodedenitrification performance is kept on the premise of enhancing the silicon-containing ability, and the running period of the device is effectively prolonged. The method can be applied to various silicon-containing distillate oil hydrofining processes.

The invention described herein contains two aspects, usable together or separately, that address the needs in the art described above, namely a first aspect that relates to the provision of a transportable water purification system that can be contained on a passenger transport vehicle, and that can use, but does not require, continuous, real-time monitoring, and a second aspect that relates to the use of UV purification of the water as it is uploaded to the passenger transport vehicle after a single pass through the UV chamber.

Disclosed are methods of inactivating a protein, such as cleaving a disulfide bond of a protein, that involve contacting the protein with a reducing agent, a denaturant, and a hydroxide ion, wherein the pH of the composition is about 10.0 to about 14.0. Also disclosed are methods of treating or preventing a disease in a subject, such as a toxin-related disease or a prion-related disease, that involve contacting a subject with a pharmaceutically effective amount of a reducing agent, a denaturant, and a hydroxide ion, wherein the pH of the composition is about 9.0 to about 14.0. Also disclosed are compositions that include a reducing agent, a denaturant, and a hydroxide ion, wherein the pH of the composition is about 9.0 to about 14.0.

An objective to be solved by the present invention is to provide a hazardous substance removing material capable of efficiently capturing and quickly inactivating hazardous substances of microbe origin such as viruses and bacteria, so as to minimize influences on the human body. The present invention provides a hazardous substance removing material which comprises a support having antibodies supported thereon, wherein the support is made of a fiber, and the moisture regain of the core fiber of the support is different from the moisture regain of the sheath fiber of the support.

The invention described herein contains two aspects, usable together or separately, that address the needs in the art described above, namely a first aspect that relates to the provision of a transportable water purification system that can be contained on a passenger transport vehicle, and that can use, but does not require, continuous, real-time monitoring, and a second aspect that relates to the use of UV purification of the water as it is uploaded to the passenger transport vehicle after a single pass through the UV chamber.

The invention relates to a disinfection method and system for inactivating novel coronavirus in cold-chain food through ionizing radiation, and belongs to the technical field of disinfection and sterilization. Electron beams with the energy not higher than 10 MeV generated by an electron accelerator or gamma rays generated by cobalt-60 or cesium-137 radionuclide or X rays with the energy not higher than 5 MeV generated by an electron accelerator are adopted, on the premise of ionizing radiation disinfection whole-process biological safety guarantee, within determined effective dose range (2-7kGy), the cold-chain food which is possibly polluted by the novel coronavirus (2019-nCoV) is thoroughly inactivated on inner and outer surfaces of packages, food surfaces and food gaps of the cold-chain food in combination with a matched special disinfection system, the inactivation rate of the novel coronavirus is larger than 99.9%, and the novel coronavirus after irradiation does not have infection and pathogenicity any more.

A method for inhibiting the spread of nosocomial infections in institutional health care settings comprises treating outer garments, worn indoors by employed staff of the institution, to impart antimicrobial properties to those garments by immersing the garments in a solution of glyxol, eugenol and water, squeezing the solution out of the garments, curing the wetted garments under heat, and drying the cured garments; and thereafter requiring employed staff to wear the treated garments while working at the institution; laundering the garments after being worn by the staff, for further wear by the staff, and requiring employed staff to wear the treated garments after the garments have been laundered for so long as the garments retain their antimicrobial properties.

A new method of producing fuel from biological oils and fats is provided, which comprises following steps: (a) proceeding with a catalytic cracking-deoxygenation reaction for the biological oils and fats under heating in the presence of a cracking-deoxygenation catalyst; (b) mixing the product of step (a) with hydrogen gas; and (c) proceeding with a catalytic hydrodeoxygenation reaction for the mixture from step (b) under heating in the presence of a hydrodeoxygenation catalyst. By means of the method of the present invention, clean fuel produced by using biological oils and fats as raw materials is compatible to the fuel composition produced from crude oil refining.

The invention relates to a microwave hot air composite drying and puffing process for black soldier fly larvae. The process comprises the following steps of carrying out microwave inactivation on theblack soldier fly larvae; drying the inactivated black soldier fly larvae; taking the dried black soldier fly larvae for microwave puffing. The process further comprises the steps of pulverizing and packaging the puffed black soldier fly larvae. Compared with the prior art, the process has the advantages that finished products of the black soldier fly larvae which are dried and puffed by means ofthe process are loose, porous, plump in body shape and likely to be pulverized; microwave inactivation is carried out, a simultaneous internal and external heating mode is adopted, uniform heat distribution is achieved, the inactivation speed is higher, and a certain bactericidal effect is achieved at the same time; a microwave and hot air cooperative drying mode increases the drying speed, so that the black soldier fly larvae are dried uniformly; manpower is saved, the procedure is simple, the processing speed is high, and the production efficiency is high.

An objective to be solved by the present invention is to provide a hazardous substance removing material capable of efficiently capturing and quickly inactivating hazardous substances of microbe origin such as viruses and bacteria, so as to minimize influences on the human body. The present invention provides a hazardous substance removing material which comprises a support having antibodies supported thereon, wherein the support is made of a fiber, and the moisture regain of the core fiber of the support is different from the moisture regain of the sheath fiber of the support.

A computer implemented system and process of analyzing real-time measurements of a plurality of air quality sensors to provide an calculated estimate of airborne virus infection and air quality evaluation from current air quality measurements, advise those at risk, advise responsible parties of recommended actions to take, and in some embodiments take direct action in communication of instructions to air filtration and treatment equipment and HVAC systems to improve outside air flow, increase filtration, treat contaminated air and reduce humidity and reduce the risk of airborne virus transmission. Sensor data, calculated airborne infection risk, air quality, warnings and reports are created and distributed to network connected devices.

The invention discloses a high-voltage electrostatic filtering device of virus prevention and control positive-pressure biological protective clothing. The high-voltage electrostatic filtering deviceis characterized by consisting of a fixing belt, a shell, a power supply system, a core filtering assembly, an air supply system and an integrated control circuit, wherein the shell is provided with agas guide pipe, an upper gas valve port butt joint interface and a grounding wire interface, each interface is provided with a sealing ring, the left side and the right side of the shell are each provided with two openings, the air supply system is installed through the four openings to maintain the air volume and the air pressure in the protective clothing, and an airtight pad is used for pressing. According to the invention, the traditional physical barrier filtering principle is broken through, efficient filtration of fine particles and inactivation of pathogenic microorganisms are realized through a high-voltage electrostatic field composite mode while ultra-low pressure drop is maintained; and the filter material of the device provided by the invention has a loose structure, can be repeatedly used after being cleaned, is long in service life and low in replacement frequency, and can be connected with laboratories with three or more levels of organisms or positive-pressure protective clothing worn by high-risk biological pollution external environment operators.

The invention discloses an air purification device for killing pathogenic microorganism aerosol based on plasma. The air purification device comprises a plasma discharge device and a strong electric field collection device connected with the plasma discharge device, wherein the plasma discharge device comprises a rotating field corona discharge device and an air dispersion plasma jet device. At least one pair of corona discharge discs is arranged in the rotating field corona discharge device; the corona discharge disc comprises a plurality of first corona discharge needles and a plurality of layers of conductive fibers wound between the adjacent first corona discharge needles. The air dispersion plasma jet device comprises at least one pair of jet arrays. The rotating field corona discharge device generates long-life active particles which can effectively kill bacterial aerosol, the corona discharge needle and the conductive fiber are combined, discharge is enhanced, and the charge efficiency is improved. The air dispersion plasma jet device generates short-service-life high-activity particles and groups which can effectively kill virus aerosol.

A device receiving an unsterile supply of air, subjects the airflow to one or more sterilizing agents or sterilizing conditions, and then exhausts the treated airflow through a nozzle or array of nozzles, forming a jet of air or array of air jets directed at or along the surface of the head of a living being such that the sterilized airflow envelopes the head. The result is a) the living being breathes air that is free of one or more infectious agents and b) the jet of air forms an air curtain such that the living being is protected from inhaling infectious agents that may surround them.

An especially robust compound and its derivative metal complexes that are approximately one hundred-fold superior in catalytic performance to the previously invented TAML analogs is provided having the formula:whereinY1, Y2, Y3 and Y4 are oxidation resistant groups which are the same or different and which form 5- or 6-membered rings with a metal, M, when bound to D; at least one Y incorporates a group that is significantly more stable towards nucleophilic attack than the organic amides of TAML activators; D is a metal complexing donor atom, preferably N; each X is a position for addition of a labile Lewis acidic substituent such as (i) H, deuterium, (ii) Li, Na, K, alkali metals, (iii) alkaline earth metals, transition metals, rare earth metals, which may be bound to one or more than one D, (iv) or is unoccupied with the resulting negative charge being balanced by a nonbonded countercation; at least one Y may contain a site that is labile to acid dissociation, providing a mechanism for shortening complex lifetime. The new complexes deliver catalytic performances that promise to revolutionize multiple oxidation technology spaces including water purification.

Fused pyridine derivatives shown as the general formula (I), and their pharmaceutically acceptable salts, stereoisomers or solvates thereof are disclosed, which belong to the technical field of medicines. The R1, R2, R3, Q, X and Y substituents in formula (I) are defined as in the description. Also disclosed are the preparation methods, pharmaceutical compositions comprising the compounds and uses of the compounds in the manufacture of the medicine for the treatment and / or prevention of noninsulin-dependent diabetes, hyperglycemia, hyperlipidemia and insulin resistance.

A method for decontaminating an object disposed in a region. The method includes the steps of: heating the region to a target temperature; introducing steam into the region until a humidity level in the region reaches a target humidity level; introducing a vaporized sterilant into the region until a sterilant concentration in the region reaches a target sterilant concentration; and maintaining the target temperature, the target sterilant concentration and the target humidity level until a predetermine target dose is obtained.

The invention discloses a high-voltage electrostatic filter device for virus prevention and control positive pressure biological protective clothing, which is characterized in that it is composed of a fixing belt, a casing, a power supply system, a core filter component, an air supply system, and an integrated control circuit; the casing is equipped with There are gas conduits, the upper gas valve port docking interface, and the grounding wire interface, and each interface is provided with a sealing ring. There are two openings on the left and right sides of the shell, and the air supply system is installed through four openings to maintain the air volume and keep the protective clothing inside. Air pressure, use airtight cushion to compress. The device of the present invention breaks through the traditional principle of physical barrier filtration, and realizes the high-efficiency filtration of fine particles and the inactivation of pathogenic microorganisms with the compound mode of high-voltage electrostatic field, while maintaining ultra-low pressure drop. The filter material of the device of the present invention has a loose structure, which can be repeated after cleaning. In use, the filter material has a long service life and low replacement frequency, and can be connected to the positive pressure protective clothing worn by the workers in the external environment of biological level 3 and above laboratories or high-risk biological pollution.

The disclosed Multi-function Germicidal Apparatus and Method, is an elevation actuator equipped mobile floor-standing air convection system including an electromagnetic radiation oscillating head mounted dish with zoom and focusable UV beam projectors which sweep across a horizontal plane to inactivate airborne pathogens. An open end germicidal chamber behind an open center nozzle is equipped with multi-wavelength UV lights to inactivate passing pathogens and irradiate TIO2 coated charge plates to generate hydroxyl radicals. A fan pushes contaminated air through a chamber discharging remnant pathogens and air mixed through a nozzle to create a high velocity air mixture farther away from the opening. An oscillating and focused UV beam forms a tubular shaped virtual cage encircling exiting pathogens for continuous inactivation. Convection forced pathogens disperse to the floor are picked up by a floor fan and sent back to a chamber and UV beams for repeating inactivation.

A new method of producing fuel from biological oils and fats is provided, which comprises the following steps: (a) proceeding with a catalytic cracking-deoxygenation reaction for the biological oils and fats under heating in the presence of a cracking-deoxygenation catalyst; (b) mixing the product of step (a) with hydrogen gas; and (c) proceeding with a catalytic hydrodeoxygenation reaction for the mixture from step (b) under heating in the presence of a hydrodeoxygenation catalyst. By means of the method of the present invention, clean fuel produced by using biological oils and fats as raw materials is compatible with the fuel composition produced from crude oil refining.

The present invention relates to compounds of the formulae:in which R is C5-C16 alkyl, R1 isand isosteres and salts thereof.

The invention discloses a portable electrostatic load microorganism inactivation device. The device comprises a box body structure, a support structure, a power supply system, a storage kit and a control system. The box body structure comprises a base, a shell structure and a grounding device. The shell body comprises a shell outer protection layer, a shell middle insulation layer and a shell inner conductive inner layer. The support structure is used for supporting the storage kit. The storage kit is used for placing a target object, the size and the shape of the object placing suite are determined according to the size and the shape of the target object, and the object placing suite is tailored by high-voltage static load fabric. An external kit connector is arranged on the storage kit and is connected with a high-voltage static power supply through a power supply socket of the conductive inner layer of the shell inner layer. The conductive inner layer of the shell inner layer is connected with a grounding device through a switch functional part, and the grounding device is also connected with a ground wire arranged on the high-voltage static power supply. The high-voltage electrostatic microorganism inactivation device provided by the invention has the characteristics of safety, high efficiency, low energy consumption, portability and no secondary pollution.

It is an object of the present invention to provide a hazardous substance removing material, which efficiently captures hazardous substances derived from microorganisms such as bacteria or viruses and rapidly inactivates them, so as to minimize the their influences on human bodies, and which is able to allow an antibody to be supported on a carrier by a simple method, and which has an improved antibody use efficiency. The present invention provides a hazardous substance removing material consisting of a carrier on which an antibody and a polymer material having an affinity for Fc region of the antibody are supported.

The present invention relates to a composition, textile, and mask for reducing the inhalation of pollutants. The composition includes an aqueous solution of an inorganic iodide compound, a metal phthalocyanine, and a polymeric binder. The inorganic iodide can be cuprous iodide, the metal phthalocyanine can be iron phthalocyanine, and the polymeric binder can be polyvinylpyrrolidone or polyvinyl alcohol. This pollutant-inactivating composition neutralizes pollutants such as nitrogen dioxide, sulfur dioxide, ozone, volatile organic compounds and other unpleasant airborne agents, without requiring elevated temperatures or bulky canisters containing adsorbents. Optionally, a humectant can also be incorporated into the coating solution to retain moisture in the active filter matrix, which enhances the activity of the composition to inactivate oxidizing gases and other toxic constituents of air pollution.

The invention relates to a disinfection method and system for ionizing radiation inactivation of novel coronavirus in cold chain food, belonging to the technical field of disinfection and sterilization. The present invention adopts an electron beam produced by an electron accelerator with an energy not higher than 10 MeV, or a gamma ray produced by a cobalt-60 or cesium-137 radionuclide, or an X-ray with an energy not higher than 5 MeV produced by an electron accelerator. Under the premise of ensuring the biological safety of the whole process of ionizing radiation disinfection, within the determined effective dose range (2~7 kGy), combined with the supporting special disinfection system, the cold chain food that may be contaminated by the new coronavirus (2019‑nCoV) is packaged inside and outside Surfaces, food surfaces and food gaps are completely inactivated, the inactivation rate of the new coronavirus is greater than 99.9%, and the new coronavirus after irradiation no longer has the ability to infect and cause disease.

The invention belongs to the technical field of wastewater treatment and specifically discloses a method for reducing biotoxicity of antibiotic wastewater by acid and alkali treatment. The method comprises the following steps: (1) fetching antibiotic-containing wastewater, adding strong acid into wastewater and stirring for 2-3 h; (2) adding alkali into the wastewater in the Step (1) to regulate pH to 6-7; (3) extracting the wastewater in the Step (2), and concentrating the extracted wastewater containing antibiotic to obtain an isolate containing antibiotic; and (4) inactivating the antibiotic by adding strong base into the isolate obtained in the Step (3). The method is mainly used for treatment of wastewater, and the problem that the antibiotic in wastewater is easy to pollute the environment is solved.

Methods and compositions are provided for spatial imaging and quantifying glyphosate in plant tissue. Glyphosate oxidoreductase is coupled to a cycling flavin mononucleotide-oxidoreductase-luciferase system. The resulting bioluminescence is proportional to the amount of glyphosate, allowing glyphosate to be observed within plant tissue and quantified.

The invention discloses an air purification method for using an air chip for releasing negative irons in a certain scope. Intelligent dust composed of a microprocessor, a bidirectional wireless receiving device and a wireless network is involved in the method. According to the intelligent dust, some motes are dispersed in a site through the wireless network and can locate one another, further collect data through the bidirectional wireless receiving device and transmit information to the microprocessor, and the microprocessor transmits the information to a cloud-side coefficient base of a basestation. The method also involves the air chip which is unstable in shape, and the air chip comprises a first electrode layer, a functional material layer, a second electrode layer, a third operatinglayer and a cloud-side transmission layer which are connected in sequence, and the third operating layer is used for high-level biologic simulation of the air chip and can extract an operation simulation function, simulate biologic nerve cells to complete high-intelligence operation and upload operation data to the cloud-side coefficient base for storage through the cloud-side transmission layer.The method also involves a negative ion air purifier, and an air chip placement cavity is formed in the negative ion purifier.

An especially robust compound and its derivative metal complexes that are approximately one hundred-fold superior in catalytic performance to the previously invented TAML analogs is provided having the formula (I) wherein Y1, Y2, Y3 and Y4 are oxidation resistant groups which are the same or different and which form 5- or 6-membered rings with a metal, M, when bound to D; at least one Y incorporates a group that is significantly more stable towards nucleophilic attack than the organic amides of TAML activators; D is a metal complexing donor atom, preferably N; each X is a position for addition of a labile Lewis acidic substituent such as (i) H, denterium, (ii) Li, Na, K, alkali metals, (iii) alkaline earth metals, transition metals, rare earth metals, which may be bound to one or more than one D, (iv) or is unoccupied with the resulting negative charge being balanced by a nonhonded counter-action; at least one Y may contain a site that is labile to acid dissociation, providing a mechanism for shortening complex lifetime. The new complexes deliver catalytic performances that promise to revolutionize multiple oxidation technology spaces including water purification.