767 results about "Disinfectant" patented technology

The invention provides an electrochemical active oxygen supply device for a washing machine and a preparation method. The device comprises a shell, a single closed reaction chamber is formed in the shell, a bifunctional anode electrode and a bifunctional cathode electrode are integrated in the reaction chamber, and a compact and uniform reaction area is formed between the anode electrode and the cathode electrode. When water flows through the reaction area, hydrogen peroxide (H2O2) and / or hydroxyl radicals (OH) are / is electrochemically generated on the surface in situ by accurately adjusting the electrode potential of the difunctional anode, so that instant generation and instant utilization of active oxygen are realized. The active oxygen directly enters a washing system of the washing machine along with water flow, bacteria, viruses and fungi can be efficiently inactivated under the normal-temperature or low-temperature washing condition without additionally adding chemical disinfectants, organic stains and peculiar smell molecules are synchronously degraded, and green, efficient and intelligent healthy washing is achieved.

The invention belongs to the technical field of microorganisms, and discloses a high-temperature-resistant vibrio alginolyticus bacteriophage and a composition and application thereof, the high-temperature-resistant vibrio alginolyticus bacteriophage is named as vibrio alginolyticus bacteriophage PJ644 and is preserved in China General Microbiological Culture Collection Center on August 16, 2024, the preservation address is No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC NO.9624. The preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No. The bacteriophage has excellent high temperature resistance, and the bacteriophage and the bacteriophage composition not only can effectively prevent and treat various vibrio infections, but also can be used as active ingredients for preparing bacteriophage pharmaceutical preparations, aquatic feed additives, water disinfectants and aquatic product preservatives, and are used for effectively preventing and treating diseases caused by vibrio infections in aquaculture farms. The use is safe, and the problems of antibiotic residues and pathogen drug resistance caused by use of antibiotics are effectively avoided.

The invention provides a compound disinfectant for preventing and treating aquaculture virus diseases and a preparation method thereof. The composite disinfectant is prepared by introducing polyhexamethylene guanidine or a salt thereof, a quaternary ammonium salt compound, metal nanoparticles and an auxiliary agent into a water system as main raw materials, and is prepared by the following steps: adding a quaternary ammonium salt compound solution and a penetrating agent into a polyhexamethylene guanidine or salt solution thereof, and uniformly stirring and mixing to obtain a mixed solution A; slowly dropwise adding the metal nanoparticle dispersion liquid into the mixed solution A, starting ultrasonic treatment at the same time, and uniformly stirring and mixing to obtain a mixed solution B; dropwise adding the pH regulator solution into the mixed solution B, regulating the pH, adding the preservative solution, supplementing water, uniformly mixing, standing and curing to obtain the composite disinfectant. The compound disinfectant aims at achieving synergistic interaction, finally achieves the comprehensive prevention and treatment effects of being efficient, low in toxicity, broad in spectrum and not prone to inducing drug resistance, and particularly achieves efficient and safe prevention and control on fish, shrimp and crab virus diseases so as to meet the urgent requirement for healthy aquaculture.

The invention discloses a preparation process of a pure plant essential oil disinfectant, and relates to the technical field of disinfectants. The problems that plant essential oil is poor in solubility in a water phase, low in stability and the like are solved. The method specifically comprises the following steps: preparing raw materials; preparing a nano emulsion; preparing a solvent and mixing; constructing a natural stable system to obtain a primary product; filtering and sterilizing; and carrying out sterile filling on the disinfectant finished product. The invention provides a pure plant essential oil disinfectant prepared by dissolving type 1 and 8 melaleuca alternifolia essential oil in water, efficient dispersion is realized through a nano-emulsification and natural stabilization technology so as to form a stable aqueous solution, an amphiphilic structure of soapbark saponin is utilized, aglycone and essential oil terpene form a supramolecular compound, and the stable aqueous solution can be used for sterilizing the melaleuca alternifolia essential oil and the melaleuca alternifolia essential oil and the melaleuca alternifolia essential oil. The technical problems of poor dissolvability and low stability of plant essential oil in a water phase are solved, and the plant essential oil has broad-spectrum antibacterial and antiviral characteristics and can meet the disinfection requirements in multiple fields such as medical treatment, object surface treatment, home furnishing and personal care.

The invention discloses a waterworks disinfection process optimization method and system, and the method comprises the steps: carrying out the polynomial fitting of collected unit consumption data of post-chlorination, and obtaining a frequency domain input through Laplace transformation; respectively inputting the input quantity into a pre-constructed library entering residual chlorine attenuation linear time-invariant system (LTI) and a factory leaving water residual chlorine attenuation LTI system to obtain residual chlorine response of the Laplace domain; and outputting a predicted reservoir entering residual chlorine value and a predicted factory leaving water residual chlorine value in a time domain through inverse Laplacian transformation, and dynamically adjusting a post-chlorination dosing strategy according to the predicted reservoir entering residual chlorine value and the predicted factory leaving water residual chlorine value. According to the method, data-driven modeling and frequency-domain system analysis are combined for the first time, the technical bottleneck of residual chlorine attenuation quantitative prediction in the internal process links of a water plant is broken through, precise closed-loop control over disinfectant adding is achieved, the operation cost is remarkably reduced while water quality safety (microbial reproduction and disinfection by-product generation are inhibited) is guaranteed, and the method is suitable for large-scale popularization and application. And core technical support is provided for intelligent water plant construction.

The invention belongs to the technical field of data processing, and relates to a disinfectant verification method based on Jerlin codes. The invention aims to solve the problem of biological potential safety hazards that the identity and the state are separated in the anti-counterfeiting verification of the existing disinfectant, and the titer of the liquid medicine falls off the threshold value due to environmental factors cannot be identified. The method comprises the following steps: in response to a code scanning operation, analyzing a Jerlin code to obtain a factory fingerprint, and splicing cloud logistics and terminal storage data to form a full-link environment monitoring sequence; calculating an environment pressure acceleration coefficient of each time slice by using a nonlinear kinetic model, and evaluating the damage degree of the environment to chemical properties; calculating accumulated chemical loss and residual titer based on the coefficient; and comparing the residual titer with a threshold value, and if the residual titer reaches the standard, generating a dynamic hash token containing titer information for cloud verification. According to the invention, deep combination of physical efficacy and digital verification is realized, and the use safety and reliability of the disinfectant are greatly improved under the condition that an expensive sensor is not needed.

The invention relates to a new endolysin and to its use for its anti-staphylococcal activity, in particular anti-staphylococcal activity against strains resistant to an antibiotic and / or to a phage, in particular anti-S. aureus and / or anti-S. pseudintermedius. It can therefore be used in a disinfectant or anti-biofilm solution, in food safety, in cosmetics or in therapies, for example in the treatment of pathologies caused by Staphylococcus such as skin pathologies in humans and domestic animals.

The invention discloses a biological material disinfection method, system and equipment based on big data analysis, and relates to the technical field of disinfection. The method comprises the following steps: determining a target disinfectant; the method comprises the following steps: performing Micro-CT scanning on a biological material to construct a 3D digital model; physical attribute information of a target disinfectant and an interaction relation between the target disinfectant and the biological material are read, spatial-temporal dynamic distribution of flowing, diffusion and permeation of the target disinfectant in pore channels in the material is simulated on the basis of the 3D digital model, and flow field and concentration field optimization is carried out on internal disinfection blind areas through pulse type pressure circulation; and generating a target disinfection parameter to perform disinfection control on the biological material. The technical problems that in the prior art, disinfection is not thorough and the material structure is damaged due to insufficient adaptability of a disinfectant and a biological material are solved, and the technical effects that the adaptability between the disinfectant and the biological material is achieved, pore channels in the material are fully disinfected, and meanwhile the damage risk of the material is effectively reduced are achieved.

A method of disinfection of an object, the method including securing an infected object to a moveable carrousel within a chamber; exposing the infected object to a disinfection cycle, the disinfection cycle comprising: exposing the infected object to an atomized liquid disinfectant fog comprising a disinfectant; exposing the infected object to ultraviolet illumination from an ultraviolet illumination source before, during, after, or any thereof exposing the object to the atomized liquid disinfectant fog to disinfect the object; during the disinfection cycle changing an orientation of the infected object with respect to the atomized liquid disinfectant fog and the ultraviolet illumination source; and removing the object from the chamber.

The invention discloses disinfection and filtration integrated equipment for mineral water production, and relates to the technical field of water treatment. The device comprises a box body assembly and a disinfection, adsorption and water filtration assembly, the box body assembly comprises a box body part, a floating part arranged in the box body part in a sliding mode and a filter screen arranged in the box body part in an inserted and matched mode, and the disinfection, adsorption and water filtration assembly comprises a treatment part installed in the box body part, two blocking parts arranged in the box body part in a sliding mode and a rotating part arranged in the treatment part in a rotating mode. The technical problems that a disinfectant and water are not fully mixed, the disinfectant is easy to deposit, the disinfection effect is unstable, and especially when the water flow speed changes, the effective contact time of the disinfectant and the water is short are solved, the floating piece automatically drives the blocking plate to move along with the water level rising and falling, the opening and closing state of the water flow channel is controlled, and the disinfection effect is stable. The linkage of the L-shaped rack and the rotating piece is combined, so that the contact time of the disinfectant and the water body is obviously prolonged, and the disinfection and adsorption effects are enhanced.

The invention belongs to the technical field of microorganisms, and discloses a riemerella anatipestifer bacteriophage PT56, a bacteriophage composition thereof and application of the riemerella anatipestifer bacteriophage PT56, the collection number of the riemerella anatipestifer bacteriophage PT56 is CGMCCNO.46492, and the riemerella anatipestifer bacteriophage PT56 is collected in China General Microbiological Culture Collection Center on May 26, 2025, and the collection number is CGMCCNO.46492. The preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The riemerella anatipestifer bacteriophage PT56 has broad-spectrum bactericidal ability on riemerella anatipestifer of different serotypes, has certain temperature stability and acid-base stability, and can be used as an active ingredient for preparing drugs, disinfectants, kits and the like for preventing and treating riemerella anatipestifer diseases. The riemerella anatipestifer disinfection solution is widely applied to poultry diseases caused by riemerella anatipestifer and disinfection and sterilization of each link in the product production and processing process, is safe to use, and effectively reduces the incidence rate and the death rate of riemerella anatipestifer diseases such as poultry infectious serositis and the like.

A device for connection to a medical connector includes an outer cap, an inner cap, and a peelable seal. The outer cap is configured to define a chamber for receiving absorbent material and a disinfectant or antimicrobial agent. The outer cap includes one or more threads adapted for engagement with a female Luer connector. The inner cap includes one or more threaded tabs adapted for engagement with a male Luer connector. The peelable seal prevents the disinfectant or antimicrobial agent from leaving the chamber.

The invention discloses a sterilizer for aquaculture, and relates to the technical field of aquaculture. The device comprises an unmanned transportation disc, a disinfectant tank and a weighing device are fixedly installed at the top of the unmanned transportation disc, a weighing frame and a discharging valve are fixedly installed at the bottom of the disinfectant tank, the weighing frame is fixedly installed at the top of the weighing device, a mixing cabin is arranged in the unmanned transportation disc, and the discharging valve is fixedly installed at the bottom of the mixing cabin. The bottom end of the discharging valve extends into the mixing cabin, and pumping cabins are arranged on the two sides of the mixing cabin. According to the device, a disinfectant and raw water are mixed and finally flow into a water body through each external drainage pipe for disinfection, at the moment, two propeller assemblies stop running, and the unmanned transportation disc can be driven to rotate at the original position by the counter-acting force of the flow of the external drainage pipes arranged in a fan shape, so that the spraying range and uniformity of the disinfectant are improved, and the disinfection effect is improved. And then, the unmanned transportation disc is used for successively putting the disinfectant into each part of the water body, so that unmanned accurate putting and uniform putting are realized.

The invention belongs to the technical field of bacteriophages, and discloses an edwardsiella bacteriophage, a bacteriophage composition and application thereof, the bacteriophage is named as edwardsiella bacteriophage PREE 50, the bacteriophage is preserved in China General Microbiological Culture Collection Center on May 26, 2025, and the preservation number of the bacteriophage is CGMCC NO. The preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.46488. The bacteriophage PREE 50 is wide in lysis spectrum, high in lysis rate for various types of edwardsiella, good in acid-base stability and temperature stability and capable of being used for preparing drugs, water disinfectants, aquatic feed additives, detection kits and the like for treating or preventing edwardsiella infection, and the bacteriophage PREE 50 can be applied to preparation of drugs, water disinfectants, aquatic feed additives, detection kits and the like while solving edwardsiella infection. And the problems of antibiotic residues and pathogen drug resistance caused by the use of antibiotics are avoided.

The invention relates to the technical field of medical apparatus and instruments, and discloses an anesthesia apparatus disinfection device for an anesthesia room. The disinfection box is designed to be of an open structure and is fixedly mounted at the top of the liquid storage box; a cover plate is arranged at an opening of the disinfection box, and an annular sheet is arranged at the top of the disinfection box; the two sets of electric telescopic push rods are arranged on the two sides of the disinfection box and used for driving the cover plate to close and open the opening of the disinfection box, flexible plugging of the connecting through pipe is achieved through the automatic plugging mechanism, volatilization loss of active ingredients such as a chlorine-containing disinfectant is reduced, the stability of the concentration of the disinfectant is maintained, and the disinfection effect is improved. Disinfection failure caused by insufficient concentration is avoided, the postoperative infection risk of a patient is reduced from the source, meanwhile, resource waste is reduced, two modes of uniform spraying flushing and soaking can be adopted, floating dust and surface pollutants on the surface of the instrument can be rapidly removed, and the disinfection effect is improved.

The invention discloses a method for in-vitro preservation of common wild rice and Nwa wild rice, and belongs to the technical field of plant tissue culture. The method comprises the following steps: selecting a stem node with an axillary bud as an explant; soaking in 75% alcohol for 10-15 seconds, soaking in 10% 84 disinfectant for 15 minutes, performing vacuum treatment in 0.1% mercuric chloride solution under-0.1 Mpa for 5 minutes, and performing water bath at 40 DEG C for 20 minutes for combined sterilization; inserting the sterilized explant into a bud differentiation culture medium containing 2mg / L KT and 0.1 mg / L NAA, and culturing for 3-5 days under the conditions that the temperature is 23 DEG C and illumination is performed for 16 hours per day; cutting off buds growing to 3-5cm, and transferring the buds into a rooting culture medium; (5) carrying out test-tube plantlet propagation through stem node shearing or tillering cutting; the tissue culture seedlings with well developed root systems are hardened and then transplanted to a mixture of vermiculite and nutrient soil (v / v = 1 / 1). According to the method, the pollution rate is as low as 16.35%, the differentiation rate of the explant reaches 47.36%, the process is simple, convenient and efficient, the production period is short, the seed quality resources of common wild rice and Nilval wild rice can be effectively preserved, and the method has important significance on protection of precious wild rice resources.

The utility model belongs to the technical field of water circulation devices, and particularly relates to a lotus root cleaning water circulation device which comprises a shell, a conveying belt fixedly installed in the shell, a water storage cavity formed in the shell and located below the conveying belt, a fixing frame fixedly installed in the water storage cavity, and a filter screen fixedly installed in the fixing frame. A plurality of rotating columns are rotationally installed in the water storage cavity and located below the filter screen, a plurality of stirring blades are fixedly installed on the rotating columns, a connecting pipe is fixedly installed in the shell and located above the conveying belt, and a plurality of high-pressure nozzles are fixedly installed at the bottom of the connecting pipe; when the whole device is used, disinfectant fluid can be intermittently injected into the water storage cavity, the disinfectant fluid does not need to be continuously injected into the water storage cavity manually, labor force is saved, the disinfection effect is good, meanwhile, water and the disinfectant fluid in the water storage cavity can be evenly stirred, it is guaranteed that the water and the disinfectant fluid can be evenly mixed, and the disinfection effect is good. And the water does not contain bacteria and impurities.

Provided is a growth inhibitor for Clostridioides difficile. A growth inhibitor for Clostridioides difficile, comprising killed Enterococcus faecalis. Also provided are a parenteral pharmaceutical preparation, a bactericide, a disinfectant, an antibacterial agent, a sanitizer or a detergent for inhibiting the growth of Clostridioides difficile.

The utility model discloses a garbage recycling bin for municipal environmental protection engineering, and relates to the technical field of garbage recycling bins, the garbage recycling bin comprises a shell, and a disinfection mechanism is arranged in the shell; the disinfection mechanism comprises a disinfectant storage box arranged on the inner wall of the shell through a fixing rod, and a plurality of atomizing nozzles are arranged on the bottom surface of the disinfectant storage box and used for spraying out disinfectant; the disinfection mechanism further comprises a spraying and pressing assembly. According to the garbage recycling device, when garbage is thrown into the recycling box, opening of the inlet door can be in linkage with the transmission assembly, the pressing plate is pushed to be pressed downwards, then disinfectant in the disinfectant storage box is sprayed out through the atomization spray head under the action of the push rod and the piston head, the garbage which is just thrown into the recycling box is disinfected in time, manual intervention is not needed, and the environment is protected. And viruses and bacteria are effectively prevented from diffusing into the air due to runaway in the garbage treatment process, so that the public health safety level is improved.

The utility model discloses a special intelligent nursing calling device for a tumor ward, which relates to the technical field of calling communication and comprises a calling device, a plurality of calling buttons are mounted on the outer side of the calling device, a microphone hole is formed in the outer side of the calling device, a wireless transmitting and receiving module is mounted on the top surface of the calling device, and a wireless communication module is mounted on the wireless transmitting and receiving module. When the device is used, disinfectant in the water tank can be pumped through the water inlet pipe by starting the micro water pump, is discharged into the communication seat through the drainage pipe, is sprayed out through the atomization nozzle, and is matched with the moving mechanism to drive the moving plate to slide; and an atomized disinfectant is driven to be uniformly sprayed on the outer surface of the call button, and the call button can be cleaned and dried in cooperation with a cleaning brush, so that the carrying quantity of bacteria on the call button is reduced, and the call button is convenient to use next time.

The utility model discloses a culture pond water circulation filtering device, which belongs to the technical field of water circulation and comprises a mixing pond, a filtering pond is fixedly mounted on one side of the mixing pond, collecting ponds are arranged on two sides of the filtering pond, a filter screen is arranged on the inner wall of the filtering pond, a cleaning component is arranged on the top surface of the filter screen, a stirring component is arranged in the mixing pond, and the stirring component is arranged in the mixing pond. A sleeve is fixedly mounted on one side of the mixing tank, and filter cotton is arranged in the filter tank; according to the device, the stirring rod is arranged in the device, and through the design, when a disinfectant is added into a water body for disinfection in the filtering process, the stirring rod and the air spraying disc can be driven by the motor to rotate, so that the water body in the mixing tank is stirred through the stirring rod, and the mixing efficiency of the disinfectant is improved; the mixing efficiency can be further improved through gas sprayed by the gas spraying disc, and meanwhile, the oxygen content in the water body can be increased, so that growth of animals and plants in the culture pond is facilitated.

A low-temperature sterilization apparatus and a method thereof. The low-temperature sterilization apparatus is used for disinfecting and sterilizing a contaminated medical device placed therein. Ultrasonic waves, ultraviolet rays, and ozone are combined with a disinfectant in an aqueous solution to achieve rapid desorption, destruction, and decomposition reactions, thereby removing adhering contaminants and bacteria from all pores and corners of the contaminated medical device.

The invention belongs to the field of corrosion inhibition of cage framework metal base materials in a three-dimensional poultry cage culture disinfectant water environment. The invention specifically designs a carbon quantum dot corrosion inhibitor for a cage skeleton metal base material in a three-dimensional poultry cage culture disinfectant water environment, and preparation and application thereof, and the particle size of the synthesized carbon quantum dot is 8-10 nm (figure 1). The carbon quantum dot corrosion inhibitor for the cage skeleton metal base material in the water environment of the three-dimensional poultry cage culture disinfectant is obtained by mixing glucose and thiourea according to a certain proportion as raw materials and pure water as a solvent through stirring, dissolving, microwave treatment, centrifugation, dialysis and drying (Figure 2). The carbon quantum dot corrosion inhibitor for the cage skeleton metal base material in the water environment of the three-dimensional poultry cage culture disinfectant has the characteristics of simplicity and convenience in preparation, environment-friendly raw materials, abundant raw material sources, low cost, high yield, good corrosion inhibition effect, no influence on the disinfectant and the like; the corrosion inhibitor can be widely applied to corrosion inhibition of cage skeleton metal substrates in a three-dimensional poultry cage culture disinfectant water environment.

The invention relates to the technical field of medicines, and particularly discloses application of a Xinjiang medicine mulberry extract in preparation of a medicine for treating or preventing periapical periodontitis, which is technically characterized in that the Xinjiang medicine mulberry extract is found and proved to have a remarkable inhibition effect on periapical periodontitis key pathogenic bacterium enterococcus faecalis for the first time, the minimum inhibitory concentration (MIC) is 0.604 mg / mL, and the Xinjiang medicine mulberry extract has a remarkable inhibition effect on the periapical periodontitis key pathogenic bacterium enterococcus faecalis. The minimum bactericidal concentration (MBC) is 1.875 mg / mL, and a biological membrane can be effectively inhibited and removed; in-vivo experiments of a rat periapical periodontitis model prove that the extract can remarkably reduce the number of bacteria in root canals and relieve periapical bone destruction, the curative effect is equivalent to that of calcium hydroxide, and the extract is non-toxic to main organs and high in biocompatibility. The invention provides a new candidate and a clear technical scheme for developing an efficient and low-toxicity natural plant source root canal disinfectant.

The breeding disinfectant preparation device comprises a transparent preparation box and four supporting legs, the center of the inner bottom face of the transparent preparation box is arranged in an inclined mode, scales are arranged on the side wall of the transparent preparation box, disinfectant is added into an opening in the top end of a dosing cylinder, the disinfectant flows into the transparent preparation box, and along with continuous adding of the disinfectant, the disinfectant flows into the transparent preparation box. The horizontal plane of the disinfectant can make contact with a suspension ball, buoyancy can be generated on the suspension ball, a blocking plate is driven to move upwards till the bottom end of the blocking plate is flush with the bottom end of a medicine adding cylinder, the medicine adding cylinder is blocked, adding of the disinfectant can be stopped, metering is accurate, and medicine waste can be reduced; the device is simple in structure and convenient to operate, indirectly drives the partition to move downwards, can extrude the disinfectant, enables the disinfectant to flow into the container along the output pipe more smoothly, can extrude all the disinfectant in the transparent preparation box out, and prevents the disinfectant from remaining and affecting next medicine preparation.

The invention belongs to the technical field of disinfectants and discloses a high-level disinfectant and a preparation method thereof.The high-level disinfectant is prepared from, by mass, 0.1%-3% of phthalic dicarboxaldehyde, 0.2%-0.8% of chelating agent, 2%-5% of penetrating agent, 0.3%-2% of modified starch, 1%-2% of acrylic polymer, 0.1%-0.3% of single-chain quaternary ammonium salt, 0.1%-0.3% of double-chain quaternary ammonium salt, 0.4%-5% of corrosion inhibitor and the balance purified water. Modified starch and polyacrylic acid are fully dissolved in a high-temperature stage, molecular chains are fully expanded, more active sites are exposed, and then the temperature is gradually reduced, so that the molecular chains are orderly arranged, a compact and uniform network structure is formed, and effective release of bactericidal components is ensured. Meanwhile, the single-chain quaternary ammonium salt and the double-chain quaternary ammonium salt are complementary through membrane destruction and internal destruction respectively and have a synergistic effect with the o-phthalaldehyde, so that the sterilization effect is remarkably improved.

Various formulations of a high-level disinfectant and liquid chemical sterilant are provided. The formulations include a peracetic acid solution which has achieved equilibrium and is catalyzed by an amount of sulfuric acid in the solution. The inclusion of sulfuric acid greatly reduces the amount of time to achieve equilibrium, and despite the inclusion of a mineral acid the resulting solution has enhanced reuse stability and equivalent toxicity, improved sterilization properties, and material compatibility to non-catalyzed peracetic acid solutions.

The invention relates to the fields of environmental protection, fire protection and new materials, in particular to a nano-silver self-assembled efficient disinfectant synthesized by a water extract of epimedium stems. The method comprises the following steps: weighing 10 g of epimedium stem powder, putting the epimedium stem powder into a beaker, then adding 100 mL of purified water into the beaker, putting the beaker on an electrothermal furnace, heating until boiling, then heating for 30 min, after a solid-liquid mixture is cooled, filtering impurities by using gauze, centrifuging for 10 min at a speed of 4000 r / min, retaining supernate, and fixing the volume to 100 mL; 0.17 g of silver nitrate powder is weighed and added into a beaker, then 100 mL of purified water is added for dissolution, and a silver nitrate solution is prepared; adding 20mL of the water extracting solution of the epimedium stems after constant volume into the beaker; mixing the solution, and stirring for 2 hours by using a magnetic stirrer; and the temperature is 60 DEG C to obtain the herba epimedii water extract-nano-silver self-assembled solution.

This invention relates to the field of hand hygiene cleaning and disinfection technology. An embodiment of this invention discloses a rinse-free disinfectant and its preparation method. The rinse-free disinfectant comprises octinidin hydrochloride, ethanol, and a solvent. The mass percentage of octinidin hydrochloride in the rinse-free disinfectant is 0.1%-0.3%, and the mass percentage of ethanol in the rinse-free disinfectant is 50-60%. After use, it can effectively kill Gram-negative bacilli and Gram-positive bacteria on the hands, exhibiting significant disinfection and sterilization effects, as well as long-lasting antibacterial effects, with mild efficacy and stable performance.

The present disclosure relates to micellar compositions conformed by biomimetic phospholipids and nonionic surfactants, among other ingredients, for eliminating one or more types of microorganisms including mycobacteria, bacteria, fungi, and viruses from a surface within a contact time on the surface of less than about 1 minutes and having pH of from about 0.3 to 8. The present invention aims on using 100% bio-based (renewable) biodegradable, non-toxic ingredients to be applied not only to hard inanimate surfaces but also on tissue for endodontic applications.