57 results about "Microbial inactivation" patented technology

The invention relates to the technical field of food processing, and discloses a magnetic field fresh-keeping control method based on electromagnetic field assistance, which comprises the following steps: step 1, cleaning and peeling: cleaning fruit raw materials, removing impurities such as silt, draining, and peeling and denucleating; the raw materials obtained in the first step pass through a radio frequency processing cavity, the radio frequency power is 70-80%, and the radio frequency time is 90-120 s. And step 3, cutting and packaging: cutting the raw materials obtained in the step 2, and putting the cut raw materials into a plastic box or a packaging bag for sealing and packaging. And 4, magnetic field storage: putting the fresh-cut fruits obtained in the step 3 into a magnetic field incubator, and carrying out fresh-keeping treatment in a static magnetic field mode at the magnetic field intensity of 3-5mT and the temperature of 2-4 DEG C. The dual-mode technical scheme of radio frequency pretreatment combined with static magnetic field storage is adopted, dual regulation and control of enzyme activity inhibition and microorganism inactivation are achieved, and spoilage microorganisms are controlled within a safety threshold value while the natural color and luster of fruits and vegetables are kept.

The invention discloses a dust-free environment purification method for biological pharmacy. Comprising the following steps: constructing three layers of metal filter screens, realizing particle interception through a conical micro-column array, an Al2O3 / TiO2 composite ceramic layer and a diamond-like carbon film, fixing lysozyme by adopting a crystal face regulated ZIF-8 crystal, and realizing dual inactivation of microorganisms by combining dielectric barrier discharge of a spiral plasma channel. The electrostatic adsorption HEPA filter paper adopts a BaTiO3-graphene quantum dot composite electret substrate, and a TiO2 / graphene heterojunction catalytic layer is decomposed by a Pt-Co bimetallic nanocluster and a photocatalysis-plasma-ozone-thermocatalysis quadruple oxidation system; and 0.1 mu m organic aerosol triggers graded reverse pulse cleaning based on differential pressure integration and a particle concentration threshold value, and the honeycomb flow guide structure drives a shutter and a gradient density sintering metal flow guide plate through piezoelectric ceramics to maintain laminar flow uniformity. According to the scheme, the limitation of a traditional technology is broken through, the purification efficiency of 0.1 micron particles is improved, and a high-stability solution is provided for a biopharmaceutical clean room.

The invention provides a method for inactivating aspergillus niger spores in a water body, relates to the technical field of inactivation of pathogenic microorganisms in the water body, and aims to solve or improve the technical problem of poor inactivation effect of the aspergillus niger spores in the prior art. The inactivation method of the aspergillus niger spores in the water body comprises the following steps: preparing a silver monatomic-graphite phase carbon nitride composite material by adopting a freezing photoreduction method; the method comprises the following steps: adding ClO2 into a to-be-detected water body containing aspergillus niger spores under a dark condition; under the condition of visible light irradiation, the silver monatomic-graphite phase carbon nitride composite material is put into a water body to be detected so as to inactivate aspergillus niger spores. According to the method for inactivating the aspergillus niger spores in the water body, ClO2 can destroy a melanin protective layer of the aspergillus niger spores, so that spore cells are exposed to the outside, and the silver monatomic-graphite phase carbon nitride composite material can be in close contact with the exposed spore cells through an adsorption effect, so that the composite material can be used as an efficient photocatalyst; and the inactivation effect on the spores is realized on the interface of the spores.

The invention provides a chlorine-containing disinfectant and a preparation method thereof, and belongs to the technical field of disinfectants. The disinfectant is prepared from bromochlorohydantoin, sodium dichloroisocyanurate, rosmarinic acid, octenidine, sodium hexametaphosphate, polyhexamethylene biguanidine hydrochloride, potassium monopersulfate, potassium chloride, dialkyl dimethyl ammonium chloride, laurocapram, squalane, carvacrol and benzalkonium chloride. The composition formula is constructed by taking bromochlorohydantoin and sodium dichloroisocyanurate as core components, the potassium monopersulfate has an efficient and broad-spectrum microbial inactivation effect, the squalane is originally used for moistening, moisturizing, resisting oxidation, regulating grease secretion and the like, and the potassium chloride has a broad-spectrum bactericidal effect, and is non-toxic and residue-free; after the components are compounded, a more prominent killing effect is shown. The disinfectant has a good surface sterilization effect, the killing rate reaches 99.999%, and the killing rate on spores and amoeba cysts also reaches 98% or above.

This invention provides a method for synergistically preparing sterile liquid formulations using high-energy fluid milling and plant components, relating to the field of traditional Chinese medicine technology. The method involves subjecting medicinal plant raw materials to a first low-temperature treatment using high-energy fluid milling to obtain highly active functional components. These functional components are then mixed with a liquid formulation matrix and subjected to a second low-temperature treatment using high-energy fluid milling, simultaneously achieving homogenization and sterilization. This invention reveals for the first time a significant synergistic sterilization effect between the medicinal plant functional components prepared by a specific process and the high-energy fluid milling treatment. Complete microbial inactivation can be achieved under mild conditions of 120 MPa and below 50°C, with effects far exceeding the simple superposition of a single component and a single physical treatment. This invention provides an integrated homogenization-sterilization method for external preparations and natural beverages that eliminates the need for chemical preservatives and high-temperature sterilization, and has broad applicability in the fields of traditional Chinese medicine and food.

This invention discloses a fresh air device with ultraviolet light air sterilization, belonging to the interdisciplinary field of air purification technology and fluid dynamics. The device includes an outer shell with an inner wall coated with an ultraviolet reflective layer; the interior is divided sequentially along the airflow direction into an air intake pretreatment section, a core reaction layer, and a terminal protection and exhaust layer. The core reaction layer contains alternating ultraviolet light sources and porous ceramic carriers coated with a nano-photocatalytic coating, and is equipped with inclined guide plates. When a fan drives airflow through the device, the reflective coating reflects ultraviolet light multiple times to the reaction zone, eliminating blind spots, and the guide plates force the airflow to form a non-linear path, extending the residence time. This invention solves the problems of low light energy utilization and incomplete sterilization caused by airflow short-circuiting in existing technologies through the synergistic optimization of the light field and flow field, significantly improving the microbial inactivation efficiency per unit volume, and is suitable for high-cleanliness environments such as hospitals and laboratories.

The present disclosure provides systems, methods and uses for free radical disinfection of a surface of an object. The system includes a first compartment having a first opening dimensioned to receive the object therethrough, and having a first cover dimensioned to cover the first opening, the first compartment having a second opening dimensioned to receive the object therethrough, and the second compartment having a second cover dimensioned to cover the second opening. The first cover is configured to be resealable over the first opening of the first compartment. The system also includes an air ionizer coupled to the first compartment to generate free radicals for discharge into the first compartment, where a reaction of the free radicals with microorganisms on the surface of the object inactivates the microorganisms.

The invention relates to a medical xenon recovery system based on multistage filtration and dynamic separation. The medical xenon recovery system comprises a pretreatment and microorganism inactivation module, a gas purification and separation module, a xenon circulation distribution module, an intelligent monitoring system and a dynamic pressure compensation mechanism. The invention further relates to a medical xenon recovery method based on multi-stage filtration and dynamic separation, bacteria are intercepted through the filter screen, viruses are intercepted through large particles, short-wave sterilization ultraviolet LED array irradiation is combined, double barriers of physical interception and ultraviolet inactivation are formed, the method is far superior to a traditional single filtration technology, the grade cleaning standard is met, and the medical xenon recovery method has the advantages of being simple in operation, low in cost and high in efficiency. The system thoroughly solves the biological potential safety hazard of lack of ultra-small virus interception and inactivation in the prior art, can efficiently inactivate respiratory pathogens, can effectively prevent microorganisms in exhaled air from circulating to patients or medical staff through a recovery system, is especially suitable for infectious surgery scenes, and remarkably reduces the risk of cross infection in hospitals.

The invention relates to the technical field of water body microorganism growth pollution and adhesion fouling treatment, in particular to a microorganism inactivation device and method for supplying power to a copper electrode through a friction nanometer generator, and the microorganism inactivation device comprises the friction nanometer generator, a copper oxide nanowire modified copper electrode, an electric field action area and a control system. A high-voltage and low-current electric field generated by the friction nano-generator is combined with the copper oxide nanowire modified copper electrode, dual synergy is achieved, a stable and controllable electric field source can be provided, the copper oxide nanowire modified copper electrode modifies the copper oxide nanowire with a high aspect ratio on the surface of a copper net, and when the copper electrode is powered, the copper oxide nanowire with the high aspect ratio can be provided for the copper electrode. Due to the lightning rod effect of the nanowires, the electric field of the tip part can generate an amplification phenomenon, and the remarkably enhanced electric field intensity can more effectively drive diatom and algal microorganisms in a water body and strongly destroy the integrity of cell membranes, so that cell contents are quickly leaked, and efficient physical inactivation is realized.

An optical filter which is used in an inactivation processing device that performs inactivation processing on a processing target microorganism. The optical filter, when discharge light from a light source in which the center wavelength of the discharge light is between 190 nm and 237 nm is incident at an incident angle 0°, transmits at least a portion of the ultraviolet ray equal to or greater than 190 nm and equal to or less than 230 nm and at least a portion of the ultraviolet ray greater than 230 nm and equal to or less than 237 nm, and attenuates the light intensity between 200 and 280 nm not including a wavelength region equal to or greater than 190 nm and equal to or less than 237 nm.

The invention provides a composite pesticide for resisting fungal diseases of silage corn and a preparation method of the composite pesticide, and belongs to the technical field of pesticides. The composite agent comprises composite microbial pellets and an auxiliary agent, the mass ratio of the composite microbial pellets to the auxiliary agent is (9-25): (1-7). The compound microorganism bacterium balls comprise bacillus siamensis and bacillus niamurensis; the auxiliaries comprise rutin, luteolin and saikoside. The anti-fungal disease composite agent provided by the invention has an excellent prevention and treatment effect on fungal diseases of silage corn, the onset time of the composite agent can be shortened, microbial inactivation is avoided, the shelf life is prolonged, and the prevention and treatment efficiency on field fungal diseases is improved.

The invention provides a preparation method of prefabricated quick-frozen fried pseudosciaena crocea based on physical field auxiliary sterilization. The method comprises the following steps: S1, immersing pseudosciaena crocea with fish scales and internal organs removed into a fishy smell removing agent, taking out the pseudosciaena crocea after 1 hour, washing the pseudosciaena crocea with pure water for 5 minutes, and wiping the pseudosciaena crocea to S2, frying the fishy-smell-removed pseudosciaena crocea, cooling, packaging and sealing; s3, performing low-temperature plasma sterilization; and S4, refrigerating at 4 DEG C for 12 hours, and freezing when the center temperature of the large yellow croaker reaches-18 DEG C. According to the preparation method disclosed by the invention, the sensory score of the fishy smell of the pseudosciaena crocea is remarkably reduced, the microbial inactivation effect is remarkable, the freezing time is shortened to 38.17 min, the unfreezing loss, the centrifugal loss and the cooking loss are reduced to the maximum extent, stable water-holding capacity and moisture distribution in the fish meat are maintained, uniform and fine ice crystals are formed, and the fish meat is close to a fresh state in texture; and the quality of the fish meat is well maintained.

The invention belongs to the technical field of inactivation of pathogenic microorganisms in a water body, and discloses a method for oxidizing and inactivating pathogenic microorganisms in a water body by activating persulfate through a Bordeaux mixture and application. The method comprises the following steps: adding a Bordeaux mixture into a pathogenic microorganism-containing polluted water body, then adding a persulfate solution to form a reaction system, and vibrating at normal temperature to simulate a real water body so as to realize inactivation of pathogenic microorganisms. The invention provides a novel method for inactivating water pathogenic microorganisms such as escherichia coli and enterococcus faecalis, persulfate is activated by Bordeaux mixture to generate sulfate free radicals and hydroxyl free radicals, and basic copper sulfate and calcium sulfate precipitate synergistically flocculates and settles pathogenic bacteria residues. Wherein the inactivation effect of the Bordeaux / PS system within 5 minutes reaches 99% or above.

The present invention provides a method for inactivating Aspergillus niger spores in a water body, relates to the technical field of inactivation of pathogenic microorganisms in water bodies, and aims to solve or improve the technical problem of poor inactivation effect of Aspergillus niger spores in the prior art. The method for inactivating Aspergillus niger spores in a water body comprises: preparing a silver single atom-graphite phase carbon nitride composite material by a cryo-photoreduction method; adding ClO2 to a water body to be tested containing Aspergillus niger spores under lightless conditions; and placing the silver single atom-graphite phase carbon nitride composite material into the water body to be tested under visible light irradiation conditions to inactivate the Aspergillus niger spores. The method for inactivating Aspergillus niger spores in a water body provided by the present invention, wherein ClO2 can destroy the melanin protective layer of the Aspergillus niger spores, so that the spore cells are exposed to the outside, and the silver single atom-graphite phase carbon nitride composite material can be in close contact with the exposed spore cells through adsorption, thereby acting as an efficient photocatalyst to achieve inactivation of the spores at the interface of the spores.

The present invention relates to a system (100) for the particulate removal and microbiological removal and / or microbiological inactivation of goods (150), in particular their surfaces. The system (100) has a cleaning chamber (101) in which the goods (150) can be placed. An access opening (102) of the cleaning chamber (101) can be closed to prevent access during operation. An eddy current system (104) directs a turbulent flow (107) of a cleaning fluid into the cleaning chamber (101) to agitate particles on the goods (150). A displacement flow system directs a continuous, low-turbulence displacement flow (108) of a cleaning fluid through the cleaning chamber in a predetermined flow direction to remove the agitated particles from the goods (150).A UV radiation source (106) emits UV radiation with a wavelength range of 100 nm to 280 nm into the cleaning chamber (101) for microbiological inactivation. A conveyor system (115) for handling the goods (150) is provided to place the goods (150) in the cleaning chamber (101). A control unit (110) automatically controls a predefined cleaning sequence.

Constructs and methods for microbial inactivation that effectively combines the affinity ligands with photochemicals at spatially distinct locations on a substrate to provide effective binding of the microbial targets while preventing any quenching of the reactive oxygen species (ROS) by the targeting ligands. The binding assisted photoinactivation is a key mechanism for enhancing the rate of inactivation of bacteria and viruses over photochemical applications alone.

The invention belongs to the technical field of storage management of biological fermentation products, and particularly relates to a temperature and humidity self-adaptive control method for prolonging the storage time of a microbial agent. The method comprises the following steps: acquiring real-time environmental parameters of a warehouse, and calculating an environmental fluctuation stress factor according to the deviation between the environmental parameters and a historical mean value; constructing a fluctuation correction type microbial inactivation rate model, introducing an environmental fluctuation stress factor into a kinetic equation to calculate an instantaneous inactivation rate, and performing integration to obtain an actual accumulated damage index; and dynamically calculating a temperature set value according to the proportional relation between the actual damage and the theoretical expected damage, and issuing the temperature set value to the temperature control equipment for adjustment after safety boundary verification. According to the method, the recessive accumulated damage of the environmental fluctuation to the microorganisms is calculated, so that the environmental self-adaptive adjustment based on the life cycle is realized, and the storage energy consumption is effectively reduced while the activity retention rate of the microbial agent is guaranteed.

The invention belongs to the crossing field of biological medicine and photoelectronic technology, particularly relates to a self-adaptive spectrum sterilization and efficacy maintenance system, and aims to solve the technical problem that active ingredients are easily damaged while efficient microorganism inactivation is realized by the traditional sterilization technology. The system comprises a spectrum generation module, a multi-mode sensing module, a dynamic regulation and control module and a closed-loop execution module, a double-target optimization model is constructed by collecting multi-dimensional data such as microbial fluorescence, Raman fingerprints, temperature and light transmittance in real time, the spectrum ratio and output parameters are adjusted online, and sterilization efficiency and drug effect maintenance are collaboratively optimized. A viable bacterium area is identified by pre-scanning, selective irradiation is implemented, and self-adaptive closed-loop control of the treatment process is realized by combining dynamic weight adjustment and compensatory protection measures. The system has the characteristics of high precision, low damage, energy conservation and safety, and is suitable for light-operated treatment of high-added-value products such as medicines and health-care products.

The utility model discloses a microbial inoculum granulator for producing bacterial manure, which comprises a granulator main body, a cooling mechanism and a stripping brush are arranged in the granulator main body, the granulator main body comprises a support frame, a charging barrel, a driving motor, a first roller and a second roller, the charging barrel is fixedly arranged on the support frame, and the driving motor is arranged on the support frame. The first roller and the second roller are installed in the charging barrel and rotationally connected with the charging barrel, the driving motor is fixedly installed on the supporting frame and drives the first roller and the second roller, refrigerant cavities are formed in the first roller and the second roller, and the cooling mechanism comprises a central shaft pipe, a refrigerant inlet, a refrigerant inner outlet, a refrigerant outer outlet and a refrigerant backflow opening. The side end faces of the first roller and the second roller are provided with shaft holes in running fit with the central shaft tube. The roller cooling device has the advantages of good roller cooling effect, thorough particle stripping and convenience in cleaning and maintenance, and solves the problems of microorganism inactivation and difficult falling of adhered particles caused by temperature rise of the existing equipment.

The invention relates to a system (100) for the particulate depletion and microbiological depletion and / or microbiological inactivation of goods (150), in particular of the surfaces thereof. The system (100) comprises a cleaning chamber (101) in which the goods (150) can be placed. An access opening (102) of the cleaning chamber (101) can be closed during operation to prevent access. An eddy current system (104) directs a turbulent flow (107) of a cleaning fluid into the cleaning chamber (101) in order to swirl up particles on the goods item (150). A displacement flow system directs a continuous, low-turbulence displacement flow (108) of a cleaning fluid in a predetermined flow direction through the cleaning chamber in order to remove the swirled-up particles from the goods item (150). A UV radiation source (106) radiates UV radiation having a wavelength range of 100 nm to 280 nm into the cleaning chamber (101) for microbiological inactivation. A control device (110) automatically controls a predetermined cleaning procedure.

The invention discloses a natural water treatment method, and relates to the technical field of water treatment. A hydrodynamic excitation environment is constructed in a water treatment reaction channel, and a flexible piezoelectric fiber array is arranged in the water flow direction, so that flexible piezoelectric fibers generate periodic bending vibration under the action of natural water flow or auxiliary hydrodynamic force, and a distributed and non-uniform piezoelectric micro electric field is formed in situ on the surfaces of the fibers and in a water body adjacent to the fibers. The micro electric field continuously disturbs a hydration structure, ion distribution and microbial membrane potential in a water body, so that the molecular structure and biological activity of pollutants are unstable or attenuated. Under an illumination condition, a piezoelectric electric field and photocatalysis synergistically generate active free radicals, so that organic pollutant degradation and microorganism inactivation are realized.

The invention relates to a method for treating medical waste through cooperation of spectrums and steam, and belongs to the technical field of medical waste treatment. According to the treatment method, the medical waste is treated through the cooperation of ultraviolet rays, near infrared rays and steam, the microorganism inactivation rate of the pet medical waste can be remarkably increased, the degradation rate of amoxicillin can be increased, biological membranes and chemical pollutants on the surfaces of the sharp instruments can be effectively removed, and the biological loading capacity of the treated sharp instruments is smaller than or equal to 10 CFU / g; meanwhile, compared with a traditional high-temperature treatment method, the treatment method has the advantages that the treatment period is shortened, energy consumption is reduced, and the method is suitable for on-site treatment of medical waste.

The present invention describes a microbiological inactivation system using UV-C radiation, designed to be integrated into air conditioning and ventilation grilles, aiming to improve indoor air quality and minimizing the presence of pathogenic microorganisms such as viruses, bacteria and fungi. The system comprises a microbiological inactivation module with UV-C lamps arranged in a sinuous circuit, which maximizes the air's exposure to ultraviolet radiation and the reflection and redistribution of UV-C radiation by internal surfaces. In addition, the blower is equipped with an electric motor controlled by a frequency inverter, allowing bidirectional operation of the fan (air insufflation and extraction), which provides flexibility in ventilating and purifying the environment. Installation and maintenance are made easy thanks to the design, which allows the system to be adapted to different air volumes and microbiological control needs, without the need for complex modifications to existing air conditioning and ventilation. This microbiological inactivation system using UV-C radiation contributes to improving air quality, increasing microbiological safety in different contexts.

The invention discloses a collaborative disinfection regulation and control method and system based on multi-modal water quality perception, and relates to the technical field of collaborative disinfection regulation and control, and the method comprises the following steps: constructing a disinfectant diffusion model, optimizing the disinfectant diffusion model, correcting simulation deviation, and generating a compensation data set; the optimized disinfectant diffusion model is obtained by optimizing an alignment constraint curved surface of multi-modal data through a disinfectant concentration spatial and temporal distribution thermodynamic diagram generated by the disinfectant diffusion model and according to gradient change characteristics of the thermodynamic diagram; and calculating the microbial inactivation rate and the residual quantity of the disinfectant in real time based on the compensation data, and regulating and controlling the disinfectant adding scheme in real time according to the deviation. According to the method, the alignment constraint curved surface of the multi-modal data is constructed based on the gradient characteristics of the thermodynamic diagram, so that accurate alignment of different modal data is realized, and the accuracy and efficiency of disinfection regulation and control are improved.

A device configured to inactivate microorganisms may include a container comprising at least one surface and an internal volumetric space, a removable cover comprising at least one substrate facing into the internal volumetric space, and a first array of light emitters disposed on the substrate and configured to emit a first light, within a wavelength range of 380-420 nanometers (nm) and having a first intensity, into the internal volumetric space, wherein the first intensity comprises an intensity sufficient to initiate inactivation of microorganisms, and wherein the first light creates a multi-dimensional space of disinfection associated with the internal volumetric space.

The invention discloses a roxburgh rose juice microorganism control and quality optimization system based on an ultrahigh pressure technology, and relates to the technical field of food processing, the roxburgh rose juice microorganism control and quality optimization system comprises a data sensing module which comprises a near-infrared spectrometer mounted on a raw material conveying pipeline and is used for acquiring microorganism cardinal number, sugar-acid ratio and turbidity in real time; according to the roxburgh rose juice microorganism control and quality optimization system based on the ultrahigh pressure technology, through a double-model dynamic game mechanism and a boundary overlapping domain optimization algorithm, the contradiction between microorganism inactivation and quality protection caused by fluctuation of roxburgh rose juice raw materials is solved. The double-model collaborative decision-making module generates a quantitative processing boundary according to real-time raw material characteristics, and accurately locates an optimal parameter combination for maximizing an active substance retention rate on the premise of guaranteeing a food safety threshold value; a hard real-time matching system of pulse pressure relief and feedback realizes dynamic correction of process parameters, and effectively improves the adaptability of complex raw materials with high acid, high turbidity and the like.

The invention relates to a system (100) for the particulate depletion and microbiological depletion and / or microbiological inactivation of goods (150), in particular of the surfaces thereof. The system (100) comprises a cleaning chamber (101) in which the goods (150) can be placed. An access opening (102) of the cleaning chamber (101) can be closed during operation to prevent access. An eddy current system (104) directs a turbulent flow (107) of a cleaning fluid into the cleaning chamber (101) in order to swirl up particles on the goods item (150). A displacement flow system directs a continuous, low-turbulence displacement flow (108) of a cleaning fluid in a predetermined flow direction through the cleaning chamber in order to remove the swirled-up particles from the goods item (150). A UV radiation source (106) radiates UV radiation having a wavelength range of 100 nm to 280 nm into the cleaning chamber (101) for microbiological inactivation. A control device (110) automatically controls a predetermined cleaning procedure.

The invention provides plateau alpine microorganism self-repairing concrete and a preparation method thereof, and relates to a concrete crack self-repairing technology. Carrying out low-temperature domestication and low-pressure domestication on the alkali-resistant urease type bacillus; putting the preloaded nutrient pottery sand into a vacuum tank, vacuumizing, and injecting the domesticated microbial bacterial liquid; keeping the vacuum degree, adsorbing for a certain time, relieving the vacuum, and draining excessive bacteria liquid to form bacteria-loaded pottery sand; dissolving a polycarboxylate superplasticizer and a mineralization substrate into water in a high-altitude simulation cabin, adding the dry mixing material, and uniformly mixing; and adding fungus-loaded pottery sand into the mixture, continuously stirring to obtain a uniform mixture, injecting the uniform mixture into a mold, and performing low-frequency vibration compaction to obtain the molding material. The problem that the self-repairing concrete is difficult to repair due to microorganism inactivation in the plateau alpine environment is solved, cracks can be automatically blocked, meanwhile, harmful substances do not exist, and the crack repairing effect is effectively guaranteed.

The invention belongs to the technical field of inactivation processes, and particularly relates to a polydeoxyribonucleotide inactivation process and application. According to the inactivation process, the PDRN inactivation liquid is obtained through deep filtration pretreatment, dispersion of acid pickling diatomite and a nano cellulose filter aid in a specific ratio under a specific dissolved oxygen condition, gradient pressure plate-and-frame pressure filtration, ceramic membrane filtration, ultrafiltration and constant-volume percolation, and UV inactivation according to a specific wavelength ratio and dosage. According to the PDRN inactivation liquid prepared through the inactivation technology, the DNA content reaches up to 99% or above, the protein content is lower than 0.2%, the endotoxin content is smaller than 0.005 EU / mL, efficient microorganism inactivation is achieved, meanwhile, PDRN active ingredients are reserved to the maximum extent, the product purity and safety are remarkably improved, and the PDRN inactivation liquid has wide application prospects in the fields of medicine, medical beauty and biomedicine.

The present disclosure relates to an agricultural capsule equipment, autonomous or operator-controlled, designed for the microbiological inactivation of pests and pathogens in crops, using controlled UV-C radiation with the modular capacity in terms of height and width and an efficiency protection to ensure that aerosols and insects in aerial form remain inside the equipment and a 360 º inactivation radius. The equipment comprises a low-profile mobile support configured to move along agricultural corridors and an articulated arched structure defining a fully enclosed treatment volume. The autonomous or operator-controlled features an adjustable hydraulic system that allows automatic control of its height and width to adapt to different types of plants, optimizing the application of radiation. The UV-C radiation exposure time and power are adjustable, ranging from 5 to 15 seconds, to ensure effective treatment. At least one UV-C radiation unit is arranged within the enclosed treatment volume, and a control system is configured to regulate displacement speed and UV-C radiation output such that a minimum effective UV-C dose is achieved. An enclosure and flexible sealing elements prevent the emission of UV-C radiation and the dispersion of airborne particles to the exterior. An airflow control system further contributes to containment during operation. The equipment may comprise imaging sensors, including a 360 degree camera system is also used to continuously monitor the plantation, enabling real-time monitoring and automated adjustment of operating parameters. To ensure operator and environmental safety, the radiation unit is protected by a polycarbonate cover that blocks UV-C radiation emissions, and an airflow control system is integrated to prevent the dispersion of contaminating particles during the equipment's movement. The technology aims to reduce the use of chemical pesticides, enabling effective microbiological control, and promoting more sustainable agriculture with a low environmental impact.