23results about How to "Rapid sterilization" patented technology

The invention discloses temperature-sensitive antibacterial hydrogel based on ultra-small-particle-size copper nanoparticles and a preparation method of the temperature-sensitive antibacterial hydrogel, and relates to the technical field of biomedical materials. The preparation method of the temperature-sensitive antibacterial hydrogel comprises the step of uniformly mixing the gel matrix, the stabilizer, the pH buffer solution and the ultra-small-particle-size copper nanoparticles to prepare the temperature-sensitive antibacterial hydrogel. The preparation method of the copper nanoparticles with the ultra-small particle size comprises the following steps that lactoferrin is dissolved in water, copper sulfate pentahydrate is added, an alkali solution is added to adjust the pH of the solution to be 8-14, then a reducing agent is added for a reaction, dialysis and drying treatment are conducted, and the copper nanoparticles with the ultra-small particle size are obtained. The hydrogel has good injectability, can release the copper nanoparticles under specific conditions and rapidly sterilize, in addition, the hydrogel is convenient to synthesize and simple to operate, has good biocompatibility, shows relatively low cytotoxicity to cells, and has relatively great application potential in the process of treating skin wound infection.

The invention belongs to the technical field of medical chemistry, and discloses a 5-O-carbon mould amine tylosin lactone derivative with a double-target combined antibacterial effect as well as a preparation method and application of the 5-O-carbon mould amine tylosin lactone derivative. The derivative is a compound as shown in a formula I, and pharmaceutically acceptable salt, eutectic, tautomer, polymorphic substance, solvate, prodrug or isotope labeled compound thereof. The compound can act on a bacterial ribosome 50S subunit and DNA topoisomerase IV at the same time, and shows an excellent antibacterial effect in an antibacterial activity test, and the minimum inhibitory concentration (MIC) reaches 0.0625 mu g / mL. The compound has the advantages of being high in antibacterial activity, wide in antibacterial spectrum and capable of achieving rapid sterilization, and a new choice is provided for developing drugs with antibacterial activity.

The utility model provides a water quality regulation device with water disinfection, which relates to the technical field of water quality regulation and comprises a water quality regulation pool, a filter cartridge and a disinfection box are respectively arranged on the outer wall of the water quality regulation pool along the water flow direction, a water inlet pump is arranged at a water inlet of the filter cartridge, and a water outlet of the filter cartridge is connected with a water inlet of the disinfection box through a pipeline. A U-shaped insertion plate is mounted in the disinfection box, a water source sequentially passes through the filter cartridge and the disinfection box under the pumping action of the water inlet pump through the arrangement of the filter cartridge and the disinfection box, impurities in water are filtered and disinfected, then the water finally enters the water quality adjusting tank for water quality adjustment, and the filtered water enters the disinfection box and flows in the disinfection box; and rapid sterilization is realized through ultraviolet rays generated by the ultraviolet lamp tubes in the insertion frames.

The application relates to the technical field of medical devices, and provides a visual laryngoscope, which comprises a handle main body, a front end support connected to the distal end of the handle main body, a first expansion member and a second expansion member which are respectively hinged to the front end support and each comprise a support base body and a flexible buffer layer, a driving assembly arranged on the handle main body, and a transmission mechanism connecting the driving assembly and the two expansion members, wherein the transmission mechanism converts power into synchronous reverse deflection movements of the two expansion members around respective hinged shafts in response to the driving of the driving assembly to realize bidirectional expansion of a target cavity. The application realizes bidirectional flexible expansion of a pharyngeal cavity and noninvasive clear exposure of a glottis, and improves the success rate and safety of difficult airway intubation.

The invention discloses a preparation method of an AgNPS-(SBA-15) molecular sieve antibacterial material and an anti-deterioration treatment method of tobacco charging essence, and the preparation method of the AgNPS-(SBA-15) molecular sieve antibacterial material comprises the following steps: mixing 3-aminopropyltriethoxysilane and SBA-15 in a toluene solution, and placing in an oil bath for reflux stirring; performing suction filtration and washing; placing the filtered sample in a Soxhlet extractor, performing reflux extraction with dichloromethane, and performing vacuum drying to obtain pretreated SBA-15; dissolving silver nitrate in distilled water under the assistance of ultrasonic waves, and slowly dropwise adding ammonia water until a transparent solution is formed; and adding the pretreated SBA-15 molecular sieve, continuously stirring, adding stearic acid, stirring and dissolving, slowly adding a hydrazine hydrate solution into the solution, continuously reacting for 1 hour after dropwise adding, filtering, cleaning, and carrying out vacuum drying to obtain the AgNPS-(SBA-15) molecular sieve antibacterial material. The AgNPS-(SBA-15) molecular sieve antibacterial material provided by the invention can be used for quickly sterilizing the cigarette flavoring essence, so that the shelf life of the flavoring essence is prolonged, and the quality stability of the flavoring essence is improved.

The present invention relates to the technical field of sterilization systems, and in particular to an elevator handrail sterilization system, which includes an outer shell component, an elastic reset mechanism, a generator set, a generator control board, and an ultraviolet light source board; the generator control board and the ultraviolet light source board are respectively fixedly arranged on both sides of the elastic reset component; the generator set is embedded in the elastic reset mechanism, and the generator set is electrically connected to the generator control board through a wire; the generator control board is electrically connected to the ultraviolet light source board; the outer shell component cover is arranged on the outside of the elastic reset mechanism. The elevator handrail sterilization system can quickly sterilize the elevator handrail in real time while ensuring the stable operation of the elevator, thereby improving the safety of the elevator handrail.

The present invention discloses a small molecule antimicrobial peptide mimetic and application thereof. The small molecule antimicrobial peptide mimetic is based on a cysteine ​​skeleton structure and is obtained by chemically modifying an amino terminal, a carboxyl terminal, or a side chain thiol group. The general formula thereof is: The small molecule antimicrobial peptide mimetic of the present invention can cause cell membrane depolarization, destroy cell membrane integrity, quickly kill bacteria, inhibit biofilm formation, have certain biofilm removal activity, and are not prone to inducing bacterial resistance. It has good activity against Gram-positive bacteria and exhibits good antimicrobial activity against resistant bacteria such as MRSA and VRE. It can solve the current problem of lack of drugs against resistant bacteria, has the function of replacing or assisting current clinical antibiotics in treating infectious diseases caused by various resistant bacteria, can be used for the treatment of infectious diseases caused by sensitive bacteria and resistant bacteria, has high-efficiency antimicrobial activity, low toxicity, and is not affected by traditional resistance mechanisms.

The utility model belongs to the technical field of coconut juice production, particularly relates to a high-temperature sterilization kettle for coconut juice production, and aims to solve the drainage problem. A sterilization shell is fixedly connected to the upper surface of the supporting column; the upper surface of the sterilization shell is fixedly connected with a connecting rod; the upper surface of the connecting rod is fixedly connected with a water tank; the upper surface of the water tank is fixedly connected with a water adding pipe; a breather pipe is fixedly connected to the outer surface of one side of the water tank; the inner surface of the water tank is fixedly connected with a heater; a socket is fixedly connected to the outer surface of one side of the water tank; the inner surface of the sterilization shell is fixedly connected with a communicating pipe; and the lower surface of the sterilization shell is fixedly connected with an exhaust pipe. Through the arrangement of the exhaust pipe and the exhaust fan, the exhaust fan can discharge water vapor in the sterilization shell, the heating efficiency is improved, condensate water can be generated after heating, the exhaust pipe can discharge the condensate water, and therefore water accumulation in the sterilization shell is prevented.

The invention discloses a sterilization device for coconut drinks, which comprises a mixing and stirring box, a quantitative water distribution mechanism for providing clear water for the mixing and stirring box, a quantitative dosing mechanism for providing particles for the mixing and stirring box, a heating box and a steam generator for providing superheated steam for the heating box, a heated pipe which is bent in a reciprocating mode is further arranged in the heating box, the two ends of the heated pipe penetrate out of the heating box respectively, the mixing and stirring box is communicated with one end of the heated pipe through the second flow pump, the water filtering and discharging mechanism is communicated with the other end of the heated pipe, and the sterilizing device further comprises a controller. A water level sensor is further arranged in the mixing and stirring box, and the quantitative water distribution mechanism, the quantitative batching mechanism, the water level sensor and the second flow pump are all electrically connected with the controller. The device can be used for quickly sterilizing particles in a short time, so that the taste change of the particles is reduced, and the product quality of the coconut beverage is improved.

The utility model belongs to the technical field of fungus inoculation tools, and particularly discloses a fungus slant inoculation tool. The inoculation tool is used for solving the problems that spores cannot be collected thoroughly when being scraped by an existing inoculation tool, and the spores are easy to scatter. The fungus slant inoculation tool comprises a handle, a connecting rod and a scraping shovel, the front end of the handle is fixedly connected with the rear end of the connecting rod, and the front end of the connecting rod is connected with the middle position of the rear end of the scraping shovel; the scraping shovel comprises a shovel face and blocking pieces, the blocking pieces are arranged on the periphery of the shovel face, the front end of the shovel face is concaved inwards to be in a crescent shape, a gap is reserved between the blocking piece located on the front side of the shovel face and the front end edge of the shovel face, the vertical distance between the lower edge of the blocking piece located on the front side of the shovel face and the crescent shovel face is 1-2 mm, and the upper edges of the blocking pieces are flush with one another. According to the utility model, the crescent shovel surface is matched with the baffle plate positioned on the front side of the shovel surface, so that the spores on the inclined surface can be quickly scraped and collected, the spores are prevented from overflowing and scattering, and infectious microbe pollution and strain waste are reduced.

The utility model relates to the technical field of hot water system sterilization, and provides a double-heat-source hot water sterilization system which comprises heat sources, a water storage tank, a water supply pipeline and a water return pipeline. The heat source comprises an air energy heat pump and a water heater system which are arranged in parallel; the water supply pipeline is used for supplying hot water to the domestic water tail end, the water supply pipeline comprises a first water supply pipeline section and a second water supply pipeline section, and water heated by the heat source flows into the water storage tank through the first water supply pipeline section and is supplied to the domestic water tail end by the water storage tank through the second water supply pipeline section; the water return pipeline is used for enabling a part of water in the water storage tank and the water supply pipeline to flow back to the air energy heat pump to be heated and sterilized, and enabling the other part of water in the water storage tank and the water supply pipeline to flow back to the water heater system to be heated and sterilized. According to the embodiment of the invention, the heating sterilization efficiency of the hot water system can be improved.

The application discloses an antibacterial and antiviral agent, which comprises the following components in parts by weight: 100 parts of water, 0.04-0.1 parts of cetylpyridinium chloride, 0.2-0.6 parts of benzalkonium chloride, 0.1-0.3 parts of polyhexamethylene biguanide hydrochloride, 0.04-0.16 parts of phenoxyethanol, 0.5-5 parts of silica-supported metal silver nanoparticles, 0.4-1.0 parts of propylene glycol, 0.02-0.06 parts of glycerol and 0.02-0.06 parts of EDTA-2Na. The application further discloses a preparation method of the antibacterial and antiviral agent. The antibacterial and antiviral agent provided by the application can synergistically enhance the effect by compounding cetylpyridinium chloride, benzalkonium chloride, polyhexamethylene biguanide hydrochloride and silica-supported metal silver nanoparticles, reduces the active ingredients such as cetylpyridinium chloride and benzalkonium chloride, and maintains excellent bactericidal effect; and the combination of silica-supported metal silver nanoparticles with different particle sizes enables the sanitary wet wipe liquid to not only quickly kill bacteria but also kill bacteria for a long time, and effectively improves the bactericidal efficiency and bactericidal timeliness of the sanitary wet wipe liquid.

The utility model discloses a tracheostomy tube full-flow intelligent processor based on multi-mode sterilization, which comprises a casing, a soaking cabin, a boiling cabin and a drying cabin are sequentially arranged in the casing from top to bottom, a control panel and a power switch are arranged at the top of the casing, the soaking cabin is provided with a first cabin door and a first liquid inlet, and the boiling cabin is provided with a second cabin door and a second liquid inlet. A stirring device, a concentration sensor and an automatic liquid supplementing device are arranged in the soaking cabin, the boiling cabin is provided with a second cabin door and a second liquid inlet, a heating disc is arranged in the boiling cabin, one side of the boiling cabin is connected with a miniature vacuum pump, the drying cabin is provided with a third cabin door and a first liquid outlet, and a hot air nozzle is arranged in the drying cabin. The hot air nozzles are connected with an air blower located on one side of the drying cabin. The three-dimensional action mechanism of chemical decomposition, physical inactivation and mechanical stripping is constructed, the technical limitation of a traditional single sterilization mode is broken through, a three-cabin integrated structure is adopted, rapid sterilization can be achieved, and the cleaning efficiency of a tracheotomy sleeve cavity is greatly improved.

The present application relates to a kind of pyraclostrobin chlorothalonil water emulsion and its preparation method, it relates to the technical field of pesticide preparation, wherein, by mass percentage, the water emulsion includes pyraclostrobin 8-12%, chlorothalonil 16-24%, solvent 10-18%, composite surfactant 8-15%, photosynthesis promoter 2-6%, penetration spreader 3-8%, epichlorohydrin 1-3%, glycerol 3-6%, organic silicon defoaming agent 0.1-0.5%, the rest is water;The mass ratio of pyraclostrobin and chlorothalonil is 1:2.The present application realizes the rapid penetration of liquid medicine and the rapid dry of disease spot by accurate particle size control and formula system, simultaneously significantly enhances the photosynthesis of crops using photosynthesis promoter, realizes the dual effect of spot control and leaf, quality increase and yield increase while high-efficiency sterilization.

The present invention discloses a VHP sterilization pipeline structure and sterilization method, including a nitrogen pipeline, a first sterilization recovery pipeline, a vacuum pipeline, a second sterilization recovery pipeline, a vacuum breaking pipeline, a third sterilization recovery pipeline and a sterilization recovery main pipeline; one end of the nitrogen pipeline is connected to a nitrogen source through a first valve, and the other end is connected to the first port of the equipment in the isolator; one end of the first sterilization recovery pipeline is connected to the first valve, and the other end is connected to the sterilization recovery main pipeline through a first control valve; the vacuum pipeline includes a first vacuum pipeline and a second vacuum pipeline; the vacuum breaking pipeline includes a first vacuum breaking pipeline and a second vacuum breaking pipeline; one end of the third sterilization recovery pipeline is connected to the second valve, and the other end is connected to the second sterilization recovery pipeline; the second vacuum pipeline is equipped with a switching valve, and the second vacuum breaking pipeline is connected to the switching valve. The present invention achieves the purpose of sterilizing the internal pipeline system of the isolator without opening it through the cooperation of the above-mentioned devices.

The preparation method of the special cow house disinfectant for the dairy farm comprises the following steps: S01, adding excessive ammonia water into a zinc lactate solution, heating to 30-50 DEG C, stirring for 1.5-3.5 hours, slowly adding a mixture of ethanol and ethylene glycol, continuously stirring for 1-3 hours, cooling and filtering to obtain a precursor; s02, deionized water, a dispersing agent and a mixture of tartaric acid and lactic acid are added into the precursor, the pH value is adjusted, stirring is conducted for 0.5-2.5 h at the normal temperature, the pH value is adjusted to 6-8, and the cowshed disinfectant is prepared.

The invention belongs to the technical field of medicines, and particularly relates to application of a myrtle ketone derivative in preparation of an antibacterial drug and the antibacterial drug. A novel myrtle ketone derivative is synthesized, the myrtle ketone derivative has inhibitory activity on gram-positive bacteria, and a compound 27 is the most effective DNA (deoxyribonucleic acid) gyrase and Topo IV inhibitor. Biological activity determination shows that the compound 27 not only has the advantage of rapid sterilization on methicillin-resistant staphylococcus aureus, but also has low toxicity, is not easy to induce bacterial drug resistance, and shows a synergistic effect with first-line antibacterial drugs such as ofloxacin, amikacin, cefpiramide and ceftazidime; this makes it a potential candidate for novel antibacterial agents.

The application provides a spatiotemporal sequential regulation photothermal injectable hydrogel and a preparation method and application thereof, and belongs to the technical field of biological medicine. The hydrogel is composed of quaternized methacrylated chitosan, benzaldehyde-terminated polyethylene glycol, a photoinitiator and polydopamine-modified nano-hydroxyapatite, and forms a double-network crosslinked structure through a Schiff base reaction and a blue light-induced radical polymerization. The hydrogel has good injectability, mechanical properties and biocompatibility. Under near-infrared light irradiation, spatiotemporal sequential treatment can be realized by regulating the light power in stages: high-power irradiation produces high temperature to rapidly kill bacteria, and low-power irradiation produces mild photothermal stimulation to promote osteogenesis and angiogenesis. The hydrogel has the functions of antibiosis, osteogenesis promotion and angiogenesis promotion, and can be used for precise repair of infected bone defects, and has a wide clinical application prospect.

The invention relates to an antibacterial enhanced PET (Polyethylene Terephthalate) composite material and a preparation method thereof, belongs to the technical field of polymer composite materials, and aims to solve the problems that a PET / PP (Polypropylene) blending system is poor in compatibility, and antibacterial and mechanical properties are difficult to synergistically consider. The composite material is prepared from the following components in parts by weight: 50-90 parts of PET (Polyethylene Terephthalate) resin, 10-50 parts of PP (Polypropylene) resin and 0.1-5.0 parts of a multifunctional modifier, the multifunctional modifier takes nano cellulose whiskers as a rigid framework, and the surface of the nano cellulose whiskers is covalently grafted with a polymer compatible chain segment through a silane connecting arm and is grafted with a long-chain alkyl quaternary ammonium salt antibacterial group. The invention also discloses a preparation process of the multifunctional modifier and the composite material. The composite material has excellent interfacial compatibility, mechanical strength and long-acting antibacterial property.

The utility model provides an efficient degerming device for honey processing, belongs to the technical field of honey, and solves the technical problem that the overall production efficiency is reduced due to the fact that most of honey is in a mass accumulation state, and therefore it needs to be ensured that all the honey meets the sterilization requirement for a longer processing time. An efficient sterilization device for honey processing comprises a sterilization bin, two storage bins are symmetrically and fixedly connected to the top of the sterilization bin, a same piston cylinder is arranged between the two storage bins, first one-way valves are fixedly connected to the surfaces of the sides, close to two feeding ports, of the piston cylinder, and the other ends of the two first one-way valves are connected with the storage bins; the three U-shaped plates are vertically and evenly arranged, a plurality of first flow guide holes and second flow guide holes are formed in the surfaces of the flow guide disc and the U-shaped plates correspondingly, and knocking mechanisms used for knocking the U-shaped plates are arranged on the two sides of the three U-shaped plates correspondingly. According to the honey sterilizing device, due to the arrangement of the U-shaped plate, it can be ensured that honey can be sterilized within a short time.

The invention relates to the technical field of household appliances, in particular to clothes treatment equipment and a clothes treatment method. The clothes processing equipment comprises a clothes processing cavity; a liquid supply assembly; the hydrogen peroxide generating device comprises an electrolysis module communicated with the liquid supply assembly, and the electrolysis module is used for electrolyzing liquid in the liquid supply assembly to generate liquid hydrogen peroxide; the atomizing device is connected between the hydrogen peroxide generating device and the clothes treatment cavity and used for atomizing the hydrogen peroxide and then introducing the atomized hydrogen peroxide into the clothes treatment cavity. Liquid is electrolyzed through the electrolysis module to generate hydrogen peroxide, then the hydrogen peroxide is atomized into hydrogen peroxide liquid drops in a gas-liquid mixed state through the atomization device, and the hydrogen peroxide liquid drops are introduced into the clothes treatment cavity to conduct sterilization, deodorization and other care on clothes.

The utility model relates to the technical field of medicine production, and discloses a quick cooling sterilization cabinet for medicine production, which comprises a cabinet body and a placing plate, a through hole is arranged at the top of the cabinet body, a first three-way pipeline joint is fixedly connected to the inner wall of the through hole, a steam pipe is connected to the first three-way pipeline joint, and a steam outlet is arranged on the steam pipe. The steam pipe extends to the outer side of the top of the cabinet body, the two ends of the first three-way pipeline connector are connected with symmetrically-arranged first conveying pipes, and symmetrically-arranged first mounting grooves are formed in the inner walls of the opposite sides of the cabinet body. After medicines are sterilized, cold air is conveyed through the arranged air inlet pipe, and uniform cold air can be filled into the cabinet body through the second three-way pipeline connector, the two second conveying pipes, the two cold air storage plates and the cold air openings formed in one sides of the two cold air storage plates, so that the medicines are sterilized, and the medicines are sterilized. Therefore, cold air can be rapidly filled in the cabinet body, cooling treatment on the medicine is achieved, and the medicine cabinet is practical and suitable for being widely popularized and used.

The embodiment of the utility model relates to an automatic positioning sterilization system, and belongs to the technical field of automatic sterilization equipment. The embodiment of the utility model aims to solve the technical problems that the traditional automatic positioning sterilization equipment is large in size and the generation time of a sterilization medium is long. The automatic positioning sterilization system comprises an injection water tank, a steam generator, a water pump, a hydrogen peroxide tank, a VHP generator and a sterilization site, the injection water tank is respectively connected with the steam generator and the water pump through pipelines, and the steam generator and the water pump are connected with sterilization sites through pipelines; the hydrogen peroxide tank is connected with the VHP generator through a pipeline, and the VHP generator is connected with the sterilization site through a pipeline. According to the automatic positioning sterilization system provided by the embodiment of the invention, the steam generator and the VHP generator are miniaturized, the system can generate high-temperature steam and VHP in a short time, the high-temperature steam and the VHP can quickly reach a sterilization site through a pipeline, the sterilization site is cleaned and sterilized, and the sterilization work is completed in a short time.