49results about How to "Reduce pathogens" patented technology

A method for processing unseparated egg shells is provided. The method includes placing the unseparated egg shells in a fluid tank containing a fluid mixture, applying cavitation to the fluid mixture to thereby assist in separating the egg shell membranes from the egg shells, and recovering the egg shell membranes. Preferably, the fluid mixture is recirculated to thereby provide for continuous processing of unseparated egg shells. The method may further include drying the egg shell membranes to produce dried egg shell membranes which may then be vacuum packaged for storage and/or transport. The dried egg shell membranes may then be subjected to an extraction process for extracting at least one type of polypeptide from the egg shell membranes. Collagen, hyaluronic acid, or amino acids of interest may be extracted from the egg shell membrane and purified for numerous uses.

The systems and methods for pathogen reduction in donor blood operates by exposure of blood to UVC irradiation. Unwanted wavelengths of light, mostly in the infrared spectra, may be precluded from reaching blood by providing a layer of IR-absorbing fluid positioned between blood and the source of UV irradiation, whereby minimizing energy absorption and heating of blood. Some embodiments further disclose a system configured to utilize the same IR-absorbing fluid to actively cool blood by flowing along the flow path thereof.

Improved compositions and methods are disclosed for improving food safety. More specifically, one or more lactic acid producing microorganisms are used for inhibiting pathogenic growth on plant materials before, during and/or after harvest. The disclosed methodology is particularly effective for leafy vegetables, such as spinach.

An exposure chamber for reducing pathogens in a biological fluid such as whole blood or blood-derived products includes a serpentine-shaped UV-transparent flow path and closely positioned ultraviolet light emitting diodes configured for emanating UV irradiation towards the biological fluid at peak wavelength of 250 nm to 270 nm. The control system is provided to energize UV LEDs using various novel modes of modulating pulse width and current amplitude for LEDs so as to deliver higher UV intensity to the biological fluid but without overheating thereof or the LEDs.

A method for reducing pathogens in the gastrointestinal tract of a live animal comprising orally administering to the animal an effective amount of an aqueous antimicrobial solution, wherein the aqueous antimicrobial solution comprises from about 0.01% to about 0.1% by weight of a metal chlorite and a sufficient quantity of an acid having a first pK_a of from about 2.0 to about 4.4 to adjust the pH of the aqueous antimicrobial solution to about 2.2 to about 4.5 and to maintain the chlorite ion concentration in the form of chlorous acid to not more than about 35% by weight of the total chlorite ion present in the aqueous antimicrobial solution, is disclosed.

A system for reducing pathogens in a biological fluid such as whole blood or blood-derived products includes a pump configured to propagate the fluid through a serpentine-shaped flow path while exposing the fluid to UV irradiation. Extensive mixing of flow is accomplished by a pump control system programmed to cause the pump to vary the flow of fluid. In embodiments, the pump may be automatically operated to periodically switch the flow back and forth between a high flow rate and a slow flow rate. Alternatively, the pump may be periodically stopped or even cause the flow to reverse direction for short periods of time.

An apparatus and a method for treating a composition containing toxic materials or biosolids, wherein the apparatus has a hydraulically sealable top that can be opened to allow loading of the composition or closed to substantially seal the apparatus. The apparatus also includes a reagent injection system for injecting a reagent into the apparatus, a mixing device for mixing the composition with the reagent, a heater system for heating the composition, or the mixture of the composition and the reagent, an internal vapor recovery system for recovering gases, vapors, and odors from the toxic materials or biosolids, or from the reagents, a reagent recovery system for recovering the reagent after it has been mixed with the composition, a discharge mechanism for discharging the treated composition, and a control panel comprising temperature and pressure measurements.

An antipathogenic biomedical implant is formed throughout its structure of a matrix material comprising at least about 1 weight percent of a photocatalytically active filler which exhibits an antipathogenic effect upon irradiation with light. The photocatalytically active filler is arranged in the matrix material in the implant to receive light irradiated from an external light source. In another embodiment, an antipathogenic biomedical implant comprises at least about 1 weight percent of a photocatalytically active material which exhibits an antipathogenic effect upon irradiation with light, wherein the photocatalytically active material is arranged in the implant to receive light irradiated from an external light source. Methods for providing an antipathogenic biomedical implant, methods for reducing pathogens on a biomedical implant, methods for reducing the bioburden in a biomedical implant installation, and kits for providing an antipathogenic biomedical implant employ the antipathogenic biomedical implants.

The invention discloses a method and a device for controlling water body eutrophication, and belongs to the field of science and technology of environmental protection. The device consists of an impeller, an ozone generator, N 'aeration islands' and guide pipes, wherein the impeller is arranged on the surface of the water body, has fixed coordinates, is submerged below the surface of water and rotates along a horizontal direction; the ozone generator and the impeller are positioned on the same platform; the N 'aeration islands' are distributed in the water along the periphery of the ozone generator at a certain distance; and the guide pipes are used for introducing ozone to the 'aeration islands'. The air containing ozone generated by the ozone generator is delivered to the 'aeration islands' through the guide pipes for aeration so as to form an ozone gas-liquid mixing area; the water driven by the impeller is rotated and pushed to the circumstance to form horizontal type 8-shaped helixes which horizontally and circularly flow through each 'aeration island' to perform oxidation reaction with the 'aeration islands'; and the water at the bottom layer are circulated again and again to the surface layer to perform exposure and aeration so as to realize eliminate nutrient salts of ammonia nitrogen and the like and inhibit pathogens in the water body.

A method and system for treating biosolid material having pathogens, the method including: introducing dried biosolid material into a pathogen treatment vessel; monitoring an actual temperature of the dried biosolid material in the treatment vessel; determining a desired residence time of the biosolid material in the treatment vessel; determining a desired minimum temperature of the dried biosolid material in the treatment vessel, wherein the minimum temperature is based on the desired determined residence time of the biosolid material in the treatment vessel; passing the dried biosolid material through the treatment vessel such that the actual residence time of the biosolid material in the treatment vessel is at least as long as the determined residence time; applying heat from a hot fluid to the dried biosolid material in the treatment vessel, if the actual temperature of the biosolid material is lower than the minimum temperature, and reducing pathogens in the biosolid material by maintaining the biosolid material in the treatment vessel for at least the determined residence time while the actual temperature is at least as hot as the minimum temperature.

The invention provides an intensive culture method for improving rhinogobio ventralis larva culture survival rate. The method comprises the steps of: step 1, pre-larva culture, step 2, post-larva culture, and step 3, juvenile fish culture. In the step 3, juvenile rhinogobio ventralis is cultured in a small water culture pond. An artificial compound feed is used for feeding twice a day. After each feeding, the small water culture pond is cleaned in time, and 60-80wt% of water in the small water culture pond is replaced. With the intensive culture method for improving rhinogobio ventralis larva culture survival rate, a problem that rhinogobio ventralis larvae and juvenile are vulnerable to ichthyophthiriasis can be solved. Ichthyophthiriasis is effectively controlled during the rhinogobio ventralis larva culture stage, and rhinogobio ventralis larva culture survival rate is improved. Therefore, a basis is established for the breaking-through of rhinogobio ventralis larva large-scale culture technology.

The present invention discloses a composition and method of providing ionic forms or compounds of any combination of three metals to produce a product that can be used as an antimicrobial as defined by the U.S. Environmental Protection Agency (EPA) such as a hard surface disinfectant and as a foliar spray or water treatment for the control of various diseases in garden row, field and tree crops, on hard surface areas such as equipment from infected fields or in hospitals, homes, etc. as well as against a wide range of human, plant and animal diseases. Additionally, one or more forms of the composition of the present invention is able to be used to treat and immunize at least various types of trees against plant pathogens by forming an antimicrobial composition comprising a combination of at least one of copper, silver and gold, and injecting the antimicrobial composition into the vascular tissue of a tree being treated, preferably repeatedly, on a predetermined periodic basis.

A method for processing unseparated egg shells includes placing unseparated egg shells in a separation tank containing fluid, applying cavitation to the unseparated egg shells in the fluid to thereby separate the egg shell membranes from the egg shells, and recovering the egg shell membranes. An apparatus for processing unseparated egg shells includes a separation tank for holding a fluid, a recirculating loop operatively connected to the separation tank, and at least one submersible mixer in the recirculating loop to recirculate the fluid and egg shell membranes and egg shells within the fluid. The apparatus further includes a membrane collection conveyor for conveying egg shell membranes from the separation tank and a shell conveyor positioned beneath the separation tank for conveying egg shells away from the separation tank.

The invention discloses a preparation method of a soft-shelled turtle granulated feed. The method comprises the following steps that 1, fish meal, chicken meal, beer yeast, bean pulp, flour and a mineral element mixture are mixed, smashed, blended, puffed and granulated under the temperature of 90-110 DEG C and dried under the temperature of 50-100 DEG C; 2, egg powder, wet sand insects and shrimp mince are mixed, homogenizing is performed through a colloid mill, and then glycine betaine, fish oil and vitamin mixtures are added and subjected to emulsification and homogenizing; 3, under vacuum, the emulsion obtained in the step 2 is sprayed to surfaces of semi-finished dried granules obtained in the step 1 in a vacuumized mode, and the feed is obtained through drying, cooling, smashing, screening, weighing and packaging. The method is suitable for large-scale production, the biological active components of fresh feed raw materials and instable nutrient elements such as fish oil and vitamins in the feed formula can be effectively kept, pathogens in the feed are reduced, the aquatic water quality environment can be improved, the food calling performance and utilizing efficiency of the feed can be improved, and the soft-shelled turtle survival rate and growth performance can be improved.

According to an embodiment, there is provided herein a method of using electrolyzed oxidizing water ice (EO ice) as a Cleaning-In-Place (CIP) method that reduces antimicrobial contamination. One embodiment is utilized in connection with beef grinders. In one embodiment, EO ice was prepared by freezing 200 mg/L free chlorine-containing EO water at 20° C. overnight. The EO ice and, optionally, EO ice/water mixture was then ground within an operating meat grinder. The EO ice treatment in combination with EO water has the potential to reduce cross-contamination and could serve as an easy to apply antimicrobial intervention to improve overall safety of ground beef.

The invention provides a method suitable for industrial aquaculture of prawns in south, relates to the technical field of aquaculture of litopenaeus vannamei, and solves the technical problems that the survival rate of the prawns is lower and the production benefits are not ideal through open-air industrial aquaculture in the south. The method comprises steps as follows: a filtering pond, an aquaculture pond and an overwintering greenhouse are set up, seawater flows to the aquaculture pond after passing by the filtering pond and the filtered seawater is subjected to secondary disinfection anddetoxification in the aquaculture pond; the ventilation condition of the overwintering greenhouse is changed, so that the temperature and the atmospheric pressure in the overwintering greenhouse meetthe proper aquaculture standard; bacterium and virus carrying detection is performed on young prawns, and qualified young prawns are added to the aquaculture pond. The method is used for realizing aquaculture of prawns in the south all the year round.

The invention discloses a method for treating diseases and insect pests during a growth process of zanthoxylum schinifolium et zucc. The method is used for constructing comprehensive prevention and control measures for diseases and insect pests in all phenological periods aiming at four phenological periods of a germinating and flowering period, a fruit growth period, a fruit coloring and harvesting period and a leaf falling and resting period during an annual growth process of the zanthoxylum schinifolium et zucc, and comprises the following steps: (a) treating the diseases and insect pests in the germinating and flowering period; (b) treating the diseases and insect pests in the fruit growth period; (c) treating the diseases and insect pests in the fruit coloring and harvesting period; (d) treating the diseases and insect pests in the leaf falling and resting period. According to the method disclosed by the invention, through a chemical-physical combined prevention and treatment method, defoliators, piercing-sucking pests, trunk pests, diseases and the like are effectively prevented and treated, and the yield and the tree age of the zanthoxylum schinifolium et zucc are increased.

The present invention provides a method for imprinting water so as to emit Terahertz radiation and a method for maintaining the freshness of foodstuff with an article containing the imprinted water.

A handheld device for treating air to a user includes an airflow path having an illumination chamber with a reflective surface, wherein the reflective surface is sufficiently reflective and configured to impart multiple reflections of at least a portion of the light introduced into the illumination chamber. The introduced light is produced by an onboard UV light generator, wherein the UV light generator can be cycled corresponding to at least one of a pressure and an airflow in the airflow path.