51 results about "Microbiological growth" patented technology

This invention discloses a multi-scale prediction method and system for the maximum growth rate of soil microorganisms based on genomic features, involving the interdisciplinary fields of microbial ecology and genomics. The method includes: genomic data preparation, core genomic feature extraction, single-scale growth rate prediction, community-scale extrapolation, and result verification and output. The system includes a genomic data processing unit, a core feature extraction module, a growth rate prediction model, a community-scale extrapolation module, and a result visualization and verification unit. This invention overcomes the limitations of traditional culture methods and in-situ measurement methods, achieving high-throughput and accurate prediction of the growth rates of culturable and uncultured microorganisms, and solving the problems of low coverage, fragmented scales, and high costs of existing technologies. It is applicable to soil microbial function assessment, carbon cycle model parameterization, and ecosystem management.

The application discloses a kind of light-assisted anticorrosion coating materials and preparation method based on metal coordination structure, the light-assisted anticorrosion coating material is on the basis of traditional anticorrosion metal zinc layer continue to be coordinated with the metal coordination polymer Co (bpy) (dhbq) (bq) with photoelectric conversion capability, and form coordination complex Co (bpy) (dhbq) (bq) @Zn.Because metal coordination polymer Co (bpy) (dhbq) (bq) itself can additionally generate photo-generated electron and photo-generated current after being illuminated, provide redundant charge for Zn layer, make it be in lower potential, strengthen the function of cathodic protection.Corrosion can be inhibited through this mechanism, prolong the service life of Zn layer, provide efficient, green anticorrosion protection for the steel material that needs to be protected.In addition, metal coordination light-assisted anticorrosion technology can also inhibit marine bioattachment by slowly releasing metal ions Co, prevent biofilm formation, reduce microbial growth, prolong the service life of protected material in marine environment, also applicable to underwater bioinduced corrosion and the protection of fouling metal structure.

A method for controlling microbial growth in a sugar processing system is disclosed, wherein the method comprises adding a peroxy acid into water of a flume system used for transporting a sugar-containing plant material from a delivery or storage location to a wash system. In one non-limiting example embodiment, the sugar-containing plant material comprises sugar beets, and the peroxy acid comprises peracetic acid.

This invention relates to a resin-based nano-iron oxide-enhanced microbial preparation, a method for preparing the same, and its applications. In this invention, after mixing resin-based nano-iron oxide, the microbial preparation, and food waste, at room temperature, the resin-based nano-iron oxide enhances the decomposition of food waste by the microbial preparation through multiple actions, including promoting microbial growth, inducing high activity of functional proteases, and accelerating electron transport processes. The alternating aerobic and anaerobic environments allow the microbial preparation to exert its full effect, resulting in high biochemical activity of metabolites. A reaction under room temperature conditions of 3 to 5 hours can achieve a food waste reduction rate of 80% to 99%. This invention is technically simple, consumes little energy, does not cause secondary pollution, and effectively achieves the goals of food waste reduction, resource recovery, and detoxification.

A general photobioreactor microbial growth rate prediction model and method thereof, the prediction model comprising a pretreatment module, a fluid dynamics calculation module, a light transmission module and a microbial growth rate mechanism module; first, a physical model of the photobioreactor is obtained; second, according to the obtained physical model and the calculation region, mesh division is carried out to construct the pretreatment module; then, the initial value of the growth parameter of the microbial particles in the photobioreactor is calculated; finally, the microbial growth rate in the photobioreactor is calculated and predicted through a coupled model of computational fluid dynamics, light intensity transmission law and microbial growth mechanism; the present application is based on physical modeling, and the computational fluid dynamics, light intensity transmission and microbial growth mechanism are coupled, thereby expanding the generality of the growth rate prediction; and the model can more accurately predict the microbial growth rate in any photobioreactor.

A microbiological testing device includes a growth medium support plate and a cap attached to the growth medium support plate, the growth medium support plate including a microbiological testing area, wherein the microbiological testing area includes at least one recess for receiving a microbiological growth medium, wherein the least one recess includes a bottom surface and at least one anchoring element protruding from the bottom surface, and wherein the at least one anchoring element includes an undercut for engaging with the microbiological growth medium. Further, a microbiological testing assembly and a cap for the microbiological testing device are described.

A method of ameliorating microbial growth associated with equipment comprising the step of: contacting the microbial growth with an effective amount of a microbially active copolymer, wherein the microbially active copolymer comprises an acrolein derived segment and a polyalkylene glycol oligomer, and wherein the microbially active copolymer is obtainable by a process comprising reacting the polyalkylene glycol with acrolein in an aqueous solution to form the microbially active copolymer.

This application provides a screening method and animal model related to intraocular diseases, such as age-related macular degeneration (AMD), for identifying candidate therapeutic agents for treating or preventing eye diseases, such as AMD. [Solution] The present application also provides compounds / compositions that can kill or inhibit the growth of microorganisms such as Bacillus megatherium. The present application further provides methods for treating infections caused by microorganisms such as Bacillus megatherium, and for treating or preventing diseases or disorders associated with such infections, such as AMD, using the compounds / compositions.

This invention relates to the field of microbial technology, and particularly to a peanut-specific growth regulator and its application in sugarcane-peanut intercropping. The peanut-specific growth regulator of this invention consists of 1 g / L-3 g / L of GX-2-sugarcane leaf microbial growth regulator, 2 g / L-6 g / L of GX-7-peanut vine microbial growth regulator, 0.2 g / L-0.4 g / L of brassinolide, and 0.2 g / L-0.4 g / L of jasmonic acid. At this concentration, the peanut-specific growth regulator can significantly increase peanut yield. Under sugarcane-peanut intercropping conditions, the yield increase is even more significant. This peanut-specific growth regulator can provide a new approach for the development of specialized agricultural biological agents.

The present invention is a composition comprising a) an aqueous dispersion of polymer particles optionally functionalized with a phosphorus acid monomer and having a z-average particle size as measured using dynamic light scattering in the range of from 50 nm to 500 nm; b) a salt of iodic acid; c) a C8-C10-alkyl phosphate or sulfate; with the proviso that when the polymer particles are not functionalized with the phosphorus acid monomer, the composition further comprises d) a hydrotrope. The composition of the present invention provides a way of preserving a latex against microbial growth in the absence of a biocide.

This application relates to methods of inhibiting the growth of microbes in and / or on plant-based products by treating the plant-based products with a composition including one or more ascarosides.

The application belongs to the field of environmental engineering and water treatment technology, and specifically discloses a self-nutrition functional type of agroforestry biomass bottom slag carrier for rapidly starting biofilm growth and application thereof. The carrier takes the solid residue bottom slag after direct combustion of agroforestry biomass in a power plant as raw material, continuously and stably releases multiple key elements for microbial growth such as Ca, K, Mg and P in a water environment, significantly promotes the adhesion of microorganisms and the formation of biofilm, and can form a biofilm with a thickness greater than 5 μm on the 27th day under extremely poor nutrition conditions, which is significantly better than a traditional volcanic rock carrier. The heavy metal leaching concentration of the carrier in the water body meets the standard requirements of the Surface Water Environmental Quality Standard (GB 3838-2002), and the environmental safety is good. The application realizes the resource utilization of agroforestry waste, and provides an economic, efficient and green carrier material for the rapid start and stable operation of the biofilm process in poor nutrition water bodies.

This utility model discloses a simple silage device for whole soybean straw, relating to the field of agricultural straw processing equipment. The simple silage device for whole soybean straw includes an open-ended tank, and further includes: a detachable sealing cap connected to the tank; a sealing ring integrally formed with the sealing cap, wherein a sealing gasket is provided on the outer wall of the sealing ring, and the sealing gasket fits against the inner wall of the tank; and an annular airbag embedded in the outer wall of the sealing ring, wherein multiple annular sealing grooves are equidistantly formed on the inner wall of the tank. This utility model achieves multiple seals by inflating the airbag and compressing the sealing gasket into the sealing grooves, and by using an air pump to introduce inert gas to replace air and a pressure relief pipe to stabilize the pressure, effectively inhibiting the growth of aerobic microorganisms, reducing nutrient loss, and extending shelf life. Simultaneously, it creates a favorable anaerobic environment to promote fermentation, thereby improving the nutritional value, palatability, and storage management flexibility of the silage.

A wound dressing includes first and second electric leads contacting a first layer configured for placement on a wound. The second electric lead is spaced apart from the first electric lead. The first layer is electrically conductive and provides an uninterrupted resistive conductor between the first and second electric leads. An electric interface is coupled to the first and second electric leads, and it is configured to be operationally coupled to an electric power source configured for generating an electric current between the first electric lead and the second electric lead via the first layer.

The application relates to a composite slow-release material for groundwater remediation and a preparation process thereof, and relates to the technical field of groundwater remediation materials. The preparation raw materials comprise the following components in mass fractions: 20-40 parts of a composite oxidant, 30-50 parts of an inner layer wall material, 10-20 parts of glucose, 40-60 parts of an outer layer wall material and 5-15 parts of a Fenton self-mesoporous titanium dioxide. The preparation process comprises the following steps: preparing the Fenton self-mesoporous titanium dioxide, preparing an inner layer microcapsule and preparing the composite slow-release material. The application has the effect of improving the pollutant degradation performance of the composite slow-release material. The composite slow-release material has good oxidative degradation capacity, can promote the growth and metabolism of microorganisms in groundwater, cooperates with the microorganisms to degrade pollutants, and improves the removal efficiency of the pollutants and the persistence of the remediation effect.

The invention provides an automated method for preemptively inhibiting microorganism growth in a recreational body of water, such as a pool, hot tub, or spa. The method comprises initiating an increased sanitizing and / or oxidizing operation for the water as an automated response to one or more trigger conditions. The trigger condition(s) is / are selected from: a direct occupancy signal, a water motion signal, a water level signal, a vibration signal, a bather-use jets operation, and a bather-use heater operation.

The utility model provides a two -segment formula microorganism honeycomb tube bundle mass transfer sewage treatment equipment, including the microorganial tube bundle incubator, primary biological reaction box, secondary biological reaction box, tertiary biological reaction box and fresh water tank that pass through the pipeline connection in sequence, the microorganial tube bundle incubator, primary biological reaction box constitutes a section reaction area, secondary biological reaction box, tertiary biological reaction box and fresh water tank constitute two -segment reaction area, the microorganial tube bundle incubator is used for carrying out microorganism growth and proliferation, primary biological reaction box, secondary biological reaction box and tertiary biological reaction box are all used for biological culture. The utility model need not traditional sludge reflux and processing steps, greatly simplifies the operation process, and reduced the operation complexity, this makes this technique easier in all kinds of sewage treatment facilities popularization and application, reduces manual operation cost and time cost.

This document discloses performance garments infused with silk and methods for their preparation. In some embodiments, the performance silk garments comprise textiles, fabrics, consumer products, leather, and other materials coated with an aqueous solution of pure silk fibroin-based protein fragments. In some embodiments, the coated garment products, textiles, interior materials, and other materials exhibit surprisingly improved moisture management properties, resistance to microbial growth, enhanced abrasion resistance, and fire resistance.

The present invention concerns a method for the detection of one or more microorganisms in a measuring cell that comprises sensors with detection elements immobilized thereon with a binding site that selectively binds to analytes. The cell medium is a culture medium that supports the growth of the microorganisms to be detected. The pH of the cell medium is controlled. The present invention also concerns a measuring device for use in the method of the present invention.

The application belongs to the technical field of medical instrument analysis system, and discloses a full-automatic blood culture instrument and a detection and analysis method thereof.The method collects original second harmonic signals and corresponding laser scanning triangular waves through tunable semiconductor laser absorption spectroscopy (TDLAS), filters the original signals, normalizes the original second harmonic signals using the triangular waves, smoothes the normalized values to obtain CO2 change curves, constructs microorganism growth related curves, and judges the microorganism growth according to the growth rate, inflection point and concentration change trend.The application provides a complete gas pressure inversion model, a spectrum signal stabilization algorithm and a bacteria growth characteristic discrimination logic, so that blood bacteria detection can be realized in real time with high sensitivity and high timeliness without destroying the culture closed environment and without using additional batches of disposable culture bottles.

The subject invention provides compositions and methods for reducing deleterious atmospheric gases and / or precursors thereof using livestock feed additives and / or supplements. In preferred embodiments, a multi-purpose composition comprising one or more beneficial microorganisms and / or one or more microbial growth by-products is applied to livestock animals' feed and / or to a field or pasture where livestock animals graze. In some embodiments, the composition controls methanogenic bacteria. In some embodiments, the composition enhances carbon sequestration in the field or pasture by promoting plant health and / or growth.

The present utility model relates to the field of food processing and more particularly to a process for preparing meyer lemon (Citrus x meyeri) juice concentrate comprising the steps of: selecting, washing, slicing, extracting lemon juice; mixing sugar, citric acid, ascorbic acid, and xanthan gum in a mixing bowl; mixing the sugar mixture, honey, glucose-fructose, and lemon juice in another stainless mixing bowl, combining the products to form a mixture and maintaining a temperature of 40°C and adjusting pH while stirring the mixture. This process resolves problems on oxidation and microbial growth contributing to spoilage. Using xanthan gum and citric acid, preservation of natural characteristics of lemon is enhanced. Also, debittering enhances flavor of the product. Principal use of product leads to commercial availability of meyer lemon (Citrus x meyeri) juice in market outlets as a natural juice concoction option with enhanced qualities.

A microbiological testing device includes a growth medium support plate and a cap attached to the growth medium support plate, the growth medium support plate including a microbiological testing area, wherein the microbiological testing area includes at least one recess for receiving a microbiological growth medium, wherein the least one recess includes a bottom surface and at least one anchoring element protruding from the bottom surface, and wherein the at least one anchoring element includes an undercut for engaging with the microbiological growth medium. Further, a microbiological testing assembly and a cap for the microbiological testing device are described.

The application discloses a preparation method of water-soluble chitosan derivatives which can be used for chicken preservation. The method uses chitosan as raw material, introduces lysine groups through chemical modification, and significantly improves the water solubility and antibacterial activity of chitosan. The specific steps include: after chitosan is reacted with N,N'-dicyclohexyl carbodiimide and orthophosphoric acid, ethanol precipitation and suction filtration are carried out, then the chitosan is refluxed with lysine in PBS buffer (pH 4.5), finally sodium cyanoborohydride reduction, dialysis and freeze-drying are carried out, and water-soluble chitosan derivatives are obtained. The minimum inhibitory concentration (MIC) of the derivatives on staphylococcus aureus and escherichia coli is 3.90 mg / mL, the growth of microorganisms during the storage of chicken can be effectively inhibited, the increase of TVB-N value and pH can be delayed, the weight loss rate can be reduced, and the shelf life can be prolonged. The application solves the problems of poor water solubility and limited application of traditional chitosan, and provides an efficient and safe solution for natural food preservatives.

The present application belongs to the technical field of groundwater pollution remediation, and particularly relates to an in-situ biological stimulation remediation method for treating Cr(VI) and organic compound contaminated groundwater. The method is to use sugarcane syrup as a remediation reagent to stimulate the growth and domestication of indigenous microorganisms, so as to effectively remove the compound pollution in the groundwater. The sugarcane syrup, a by-product of sugar industry, has the best effect on removing the compound pollution of Cr(VI) and nitrobenzene (the removal rate can reach 99%). The present application also determines the removal conditions of the compound pollution of Cr(VI) and nitrobenzene: pH is greater than or equal to 7, temperature is greater than or equal to 15 DEG C, Cr(VI) is less than or equal to 35 mg / L, and the concentration of nitrobenzene is less than 75 mg / L. Under the conditions, the removal rate of Cr(VI) can reach 99%, and the removal rate of nitrobenzene can reach 95%. The present application provides an innovative solution for simultaneously remedying the groundwater contaminated by Cr(VI) and organic compounds.

The utility model relates to composite culture jar technical field especially relates to bacillus cereus composite culture jar, including support platform and transparent incubation jar, the upper end of support platform is equipped with the transparent incubation jar for cultivating bacillus cereus and being convenient for observation.

This invention discloses a method for predicting the dosage of potassium persulfate compound salt in the factory farming of Litopenaeus vannamei, belonging to the field of intelligent disinfection control in aquaculture. The method includes: acquiring the biomechanical parameters of potassium persulfate compound salt's inactivation of pathogenic Vibrio, reactive oxygen species attenuation parameters, Vibrio growth kinetic parameters, and shrimp safety threshold; constructing a microbial growth sub-model, a disinfectant inactivation sub-model, and a disinfectant concentration attenuation sub-model, respectively; and dynamically coupling these three sub-models into a dosage prediction model in system dynamics software. Real-time physicochemical parameters of the aquaculture water are input into the model, and the initial dosage concentration of potassium persulfate compound salt, effective sterilization duration, pathogen regrowth warning, and dosing interval are dynamically output. This invention can dynamically and accurately predict the disinfectant dosage based on the water quality parameters at the aquaculture site, achieving efficient Vibrio control while ensuring shrimp safety, and is suitable for intelligent disinfection management in factory shrimp farming.

The present application belongs to the field of sewage denitrification and dephosphorization treatment technology, in particular to a method and device for simultaneous short-cut nitrification and denitrification and enhanced biological dephosphorization, which constructs a coupling system for simultaneous short-cut nitrification and denitrification and enhanced biological dephosphorization, introduces the main stream part of the reflux sludge into the side stream reactor for anaerobic hydrolysis and fermentation, and refluxes the fermentation product to the anaerobic tank and the anoxic tank of the main stream reactor to relieve the carbon source competition and the microbial growth contradiction in the denitrification and dephosphorization process. The present application realizes the short-cut nitrification and denitrification with nitrite as the intermediate product by the two-stage starting operation mode of the main stream, first constructs a stable enhanced biological dephosphorization process, and then regulates the nitrification and denitrification conditions on the basis of maintaining the enhanced dephosphorization performance. The present application can realize efficient denitrification and dephosphorization of municipal sewage without additional carbon source and inhibitors, and is suitable for upgrading and modification of the existing sewage denitrification and dephosphorization treatment process.

The application provides a culture system and culture method of Thiobacillus ferroxidans, wherein the system comprises a nutrient solution tank, a culture tank, a communication device, an overflow separator, a clear liquid tank, a sedimentation tank and a reflux device, the overflow separator is provided with a solid discharge control valve at the bottom, the precipitate is discharged from the solid discharge control valve, and the overflow liquid returns to the culture tank, so that the precipitate and the Thiobacillus ferroxidans are separated; the culture method realizes the efficient culture of the Thiobacillus ferroxidans through the steps of preparing a nutrient solution, inoculation, aeration culture, circulating flow addition, precipitation separation and continuous culture, solves the problem that the precipitate such as iron alum affects the growth of microorganisms in the culture process, guarantees the fresh culture liquid supply, promotes the continuous propagation and growth of the microorganisms, and thus improves the output efficiency and the living quality of the Thiobacillus ferroxidans. The obtained microbial suspension can be prepared into a microbial agent product and can also be directly used in the fields of bio-metallurgy, environmental remediation, bio-electrochemistry and bio-fuel cells.