57 results about "Microbiological material" patented technology

The invention belongs to the technical field of microorganisms, and discloses a low-temperature-resistant aerobic denitrifying bacterium and application thereof. The low-temperature-resistant aerobic denitrifying bacterium is Enterobacter ludwigii CW-01, and the preservation number of the low-temperature-resistant aerobic denitrifying bacterium is CGMCC (China General Microbiological Culture Collection Center) No.27126. The low-temperature-resistant aerobic denitrifying bacterium can be used for preparing the The enterobacter lewis CW-01 strain disclosed by the invention can efficiently realize aerobic denitrification degradation of ammonia nitrogen, nitrate and nitrite within the temperature range of 4-35 DEG C, and is especially suitable for wastewater treatment in which the ammonia nitrogen, nitrate and nitrite are difficult to remove due to low temperature; the strain also has good salt resistance, and provides a good microbial material for biological nitrogen removal treatment of low-temperature, high-salt and high-ammonia nitrogen polluted water. The nitrogen is efficiently removed, meanwhile, the use amount of a carbon source is remarkably reduced, the enterprise cost is greatly reduced, and the method has a good application prospect in the field of sewage treatment.

The invention discloses a composite bacterial liquid and a method for brewing Luzhou-flavor liquor by using the same, and belongs to the technical field of microbial materials. The compound bacteria liquid comprises aspergillus Fischer, acinetobacter beijerinckii and saccharomyces cerevisiae. Three microbial strains are screened to form a composite bacterial liquid, and the composite bacterial liquid is mixed in equal proportion and then matched with yeast for fermentation. According to the Luzhou-flavor liquor produced by using the bacterial liquid and the process, the alcohol production amount is increased, and the acidity content is increased; the characteristic flavor substances in the raw liquor related to the quality of the raw liquor are also improved to a certain extent, and the obtained liquor is clear and transparent in color, harmonious and strong in fragrance, soft, sweet and mellow in taste, lasting in fragrance and heavy in liquor body, and meets the taste quality requirements of Luzhou-flavor liquor.

The invention discloses a microbial material for reducing salt heave and frost heave of highway subgrade salinized soil as well as a preparation method and application of the microbial material, a microorganism is nitrogen-fixing bacteria and is classified and named as Neorhizobium alkalisoli XJIPC-GNJ0001, the strain is preserved in China General Microbiological Culture Collection Center (CGMCC) on January 20, 2025, and the preservation number is CGMCC No.33310. The invention further discloses a preparation method of the microbial material for reducing the salt heave and frost heave of the highway subgrade salinized soil and application of the microbial material for reducing the salt heave and frost heave of the highway subgrade salinized soil. The strain belongs to extremely halophilic bacteria and adapts to a strong alkali environment, and a microbial material prepared from fermentation liquor of the strain can reduce salt heave and frost heave of highway subgrade salinized soil. The preparation method is simple, low in cost and easy to produce, and the material is green, environment-friendly and good in stability. The microbial solid preparation of the novel alkali rhizobium and the fermentation liquor can be used as a cementing substance and forming power, is used for preparing a material for preventing salt heaving and frost heaving of road salinized soil, can relieve or reduce engineering diseases such as salt heaving and frost heaving in road subgrade filling in a salinized soil area, is beneficial to road subgrade protection and stabilization, and has a good application prospect. The resource utilization way of the salinized soil is widened, and the application prospect is wide.

The present invention belongs to the field of microbial technology, and discloses a low-temperature-tolerant aerobic denitrifying bacterium and its application; the low-temperature-tolerant aerobic denitrifying bacterium is Enterobacter ludwigii CW-01, and its preservation number is CGMCC No. 27126. The Enterobacter ludwigii CW-01 strain of the present invention can efficiently achieve aerobic denitrification to degrade ammonia nitrogen, nitrate, and nitrite within the range of 4-35 °C, and is particularly suitable for wastewater treatment where it is difficult to remove ammonia nitrogen, nitrate, and nitrite due to low temperature; this strain also has good salt tolerance, providing a good microbial material for the biological denitrification treatment of low-temperature, high-salt, and high-ammonia-nitrogen polluted water bodies; moreover, while efficiently removing nitrogen, it also significantly reduces the usage amount of carbon sources, greatly reducing the costs of enterprises, and having good application prospects in the field of sewage treatment.

To provide a high-hardness formulation used as a material containing microorganisms, and a method for producing the same. [Solution] The formulation according to the present disclosure comprises a solid culture containing a microorganism that forms mycelial masses and a solid medium on which the microorganisms are cultured. The formulation has a water content of 1 to 15% by weight. The formulation also has a hardness of 30 to 200 N. The manufacturing method of the formulation according to the present disclosure comprises step (1): drying the culture containing a microorganism that forms mycelial masses and a solid medium on which the microorganisms are cultured so that the water content is 1 to 15% by weight. The manufacturing method also comprises step (2): solidifying the dried culture.

The present invention discloses a nitrogen-fixing and growth-promoting Pseudomonas fluorescens composite preparation and its preparation method and application, and belongs to the technical field of microbial materials. The nitrogen-fixing and growth-promoting Pseudomonas fluorescens composite preparation of the present invention comprises nitrogen-fixing and growth-promoting bacterial powder, auxiliary bacterial powder, microbial protective agent and microbial nutrient carrier, and the mass ratio is 1: (1-2): (0.3-0.7): (50-80). After the microbial preparation of the present invention is applied to the soil, the interaction of each component can effectively play the nitrogen-fixing and growth-promoting effect, especially for corn planting, it can effectively improve the resistance of crops, enhance its environmental adaptability, and have a significant growth-promoting effect, and the dosage form is solid and easy to use.

The invention provides a platinum adsorption microbial material and a preparation method and application thereof, and belongs to the technical field of precious metal adsorption. The preparation method of the platinum adsorption microbial material comprises the following steps: (1) inoculating shewanella and escherichia coli with metal binding protein genes displayed on the surface into a fermentation culture medium for culture, and carrying out solid-liquid separation to obtain a fermentation inoculant; and (2) fixing the fermentation inoculant obtained in the step (1) on an immobilized carrier to obtain the platinum adsorption microbial material. The platinum adsorption microbial material prepared by the invention not only has the capability of efficiently adsorbing platinum, but also is not easily interfered by other metal ions, and has the effect of selectively adsorbing metal platinum. The platinum adsorption microbial material prepared by the invention is particularly suitable for adsorbing platinum in industrial wastewater, and has important significance on recycling of noble metal resources.

Device (100) for collecting samples, comprising: - an elongated body (110), - at least one first collecting element (111) configured for absorbing and / or retaining an organic and / or inorganic sample, preferably a sample of biological and / or microbiological material and / or of urine, said first collecting element (111) being arranged in correspondence of said elongated body (110); - a gripping portion (122), suitable for being grasped by a user for operatively retaining the device for collecting samples (100) at least during a collection of said sample; - a first retaining element (112) for said at least one first collecting element (111), - a second retaining element (113) for said at least one first collecting element (111), said second retaining element (113) being movable with respect to said elongated body (110); wherein: - said at least one first collecting element (111) is operatively compressible and / or squeezable to allow an at least partial release of said sample, and has at least one at least partially expanded configuration (B) and a compressed and / or twisted configuration (A) and, - said second retaining element (113) is movable between at least one first position (P1) with respect to said first retaining element (112) and a second position (P2) with respect to said first retaining element (112); and wherein when said second retaining element (113) is in said first position (P1) with respect to said first retaining element (112), said first retaining element (112) and said second retaining element (113) retain said at least one first collecting element (111) in said compressed and / or twisted configuration (A), and when said second retaining element (113) is in said second position (P2) with respect to said first retaining element (112), said first retaining element (112) and said second retaining element (113) allow said at least one first collecting element (111) to assume and / or to keep said at least partially expanded configuration (B); said second retaining element (113) being configured for being coupled to, and moved by, a striker (202), preferably being part of, or coupled to, a container (200) comprising a cavity (201) configured for housing at least part of the device for collecting samples (100) and for housing and / or retaining at least part of said sample when released by said at least one first collecting element (111).

Microbially-resistant materials are disclosed and described, along with devices, surfaces, and associated methods. Such materials can be coated onto device surfaces, system surfaces, structures, and the like.

A polymeric masterbatch is provided to prepare an antimicrobial material and an antimicrobial air filter prepared with said material, which serves to filter air and reduce the growth of bacteria and fungi such as E. coli, S. aureus, Botrytis cinerea, and Aspergillus niger.

The invention relates to a pervious concrete MICP intelligent preparation and targeted reinforcement method, which comprises a big data intelligent decision-making platform, a mixing module is controlled to prepare concrete according to a mix proportion suggestion given by a digital twin system, concrete performance data is obtained through nondestructive testing, and the data is fed back to the big data intelligent decision-making platform in real time. The data is pushed to a digital twin system to establish a performance database of the microbial pervious concrete, the LMM mixed model assists the digital twin system to give an optimized microbial pervious concrete ratio, and the pervious concrete based on the MICP technology is prepared according to the optimized microbial pervious concrete ratio. When the mechanical property is obviously degraded, targeted reinforcement is carried out by utilizing microbial factors, and a reinforcement process capable of recovering the mechanical property of the pervious concrete under different environmental conditions is obtained. The MICP technology is used for fixing the microbial material to reinforce the pervious concrete, and the performance of the pervious concrete can be reinforced in a targeted mode through microorganisms in the later period.

The present invention discloses a 3D microbial printed body and its preparation method and application. The preparation method of the 3D microbial printed body includes: step 1, using dual-network biological ink to perform vertical alternating 3D printing, fixing different microorganisms with quorum sensing effects in different printing layers to obtain a 3D microbial printed body; step 2, pre-crosslinking the 3D microbial printed body and post-crosslinking in a crosslinking solution to obtain a structurally stable 3D microbial printed body. The present invention uses a dual-network printing ink with high affinity and high mechanical properties to manufacture highly functional 3D microbial materials, so that it can ensure the high metabolic activity of bacteria in a pre-designed structure, and fix microorganisms with quorum sensing benefits in different areas by designing a specific structure, thereby improving the efficiency of bioremediation while having resistance to complex environmental impacts.

The invention provides a method for degrading urea and EC in Baijiu by bacillus-lactic acid bacteria compound bacteria. The compound bacteria comprise Pediococcus aryabhattai DQ10 and Pediococcus acidilactici DQ42, and the preservation numbers of the Pediococcus acidilactici DQ42 and the Pediococcus acidilactici DQ42 are respectively CGMCC (China General Microbiological Culture Collection Center) NO.36245 and CGMCC NO.36386. The invention further discloses a preparation method of the compound bacteria. The two strains are separated from high-temperature Daqu of Baijiu, can tolerate high temperature, acid and ethanol, and can grow under stress conditions in the fermentation process of the Baijiu, particularly, urea and ethyl carbamate (EC) in the fermentation process of liquor products (especially the Baijiu) can be effectively degraded by singly or combining the two strains (especially the complex microbial inoculants), the content of the urea and the EC can be remarkably reduced, and the yield of the liquor products is improved. The safety of liquor products can be improved, and a novel and safe microbial material is provided for the liquor brewing industry.

The invention provides an antibacterial master batch for melt spinning spandex and a preparation method thereof.The antibacterial master batch comprises spandex resin slices, a long-carbon-chain alkyl glycidyl ether modified guanidine salt polymer anti-harmful-microorganism material, a main antioxidant, an auxiliary antioxidant, a heat stabilizer, an anti-hydrolysis agent, a lubricant and a dispersing agent. Adding the mixture into a double-screw extruder; and under the protection of inert gas, carrying out melt blending on the blended materials through a twin-screw extruder, and granulating to obtain the antibacterial master batch for melt-spinning spandex. The antibacterial master batch for melt-spun spandex is applied to antibacterial modification of melt-spun spandex fibers, the addition amount of the antibacterial master batch is 2-10% of the mass of a melt-spun spandex slice base material, and the prepared antibacterial modified melt-spun spandex fibers have the antibacterial properties of durability, high efficiency, broad spectrum, washing resistance, dissolution resistance and the like.

The invention discloses a purification treatment process for livestock breeding sewage, and belongs to the technical field of functional microbial materials and application. According to the invention, by introducing the composite functional microbial agent and the mushroom bran-based biomass composite filler, efficient removal of ammonia nitrogen, COD and other pollutants in sewage is realized, and the risk of secondary pollution caused by a traditional chemical treatment method is greatly reduced. Pseudomonas filbertii, microbacterium keratinolyticum and bacillus licheniformis in the composite functional microbial agent have a synergistic effect, so that organic matters and ammonia nitrogen in sewage can be rapidly degraded, and the composite functional microbial agent also has a good flocculation effect, has good environmental adaptability and stability, and can cope with complex and variable water quality conditions. In addition, the mushroom bran-based biomass composite filler is subjected to acid pickling activation and iron-chitosan loading modification, so that the adsorption performance and nitrogen and phosphorus removal capacity of the mushroom bran-based biomass composite filler are remarkably improved, and the deep treatment effect is further optimized. The process is simple and convenient to operate, low in operation cost and suitable for sewage treatment requirements of large-scale farms.

The purpose of the present disclosure is to provide an agricultural composition, a seed composition, a method for promoting plant growth, and a method for soil improvement that are capable of improving plant growth and that use a combination of a biosurfactant and a microbial inoculant.　One embodiment of the present invention is an agricultural composition containing a biosurfactant and a microbial inoculant.

The present disclosure provides functional fibrous material comprising fibers associated with hydrogel containing micro-flakes. The present disclosure also provides a method of forming hydrogel micro-flakes having embedded therein at least one microorganism and a method of preparing functional fibrous material, both methods comprise a step of subjecting a mixture of hydrogel and microbial material to high shear forces to form micro-flakes comprising the hydrogel with at least one microorganism embedded therein. Further provided is a method of treatment of a target comprising contacting the target with the disclosed functional fibrous material as well as the micro-flakes disclosed herein.

The present disclosure is directed to systems and methods for synthesizing a spidroin. In some embodiments, the methods comprise synthesizing a monomer in vivo in a heterologous host, the monomer comprising an N-terminus IntC domain and a C-terminus IntN domain, and post-translationally polymerizing the synthesized monomer via in vitro split-intein mediated polymerization.

An adhesive formulation is provided for use in a film wound dressing. The adhesive formulation includes a medical-grade adhesive and an antimicrobial substance. This adhesive formulation may be coated onto one or more surfaces of a medical-grade transparent film suitable for a wound dressing. The antimicrobial material may be a silane quaternary ammonium salt. The silane quaternary ammonium salt may comprise 3-(trimethoxysilyl) propyldimethyloctadecyl ammonium chloride. The 3-(trimethoxysilyl) propyldimethyloctadecyl ammonium chloride may constitute about 72% of the silane quaternary ammonium salt. The medical-grade adhesive may comprise an acrylic adhesive. Further, the adhesive formulation may include about 0.01% to about 60% of the antimicrobial substance. The transparent film dressing may further include a release liner applied over the coated side(s) of the transparent film. The transparent film may comprise polyurethane.

The application belongs to the field of antimicrobial materials, and discloses an antibacterial bioactive coating and a preparation method thereof. The application converts β-cyclodextrin into a dialdehyde derivative through periodic acid oxidation, and copolymerizes the dialdehyde derivative with acrylated chitosan under the initiation of ultraviolet light free radicals to prepare an intelligent copolymer which can be specifically cut by β-cyclodextrinase. Natural plant polyphenols are loaded in the copolymer to realize enzyme-triggered precise release and maintain long-acting antibacterial activity. After coating, the solvent is removed, the micropores are closed, and the molecular-level secondary crosslinking is completed in one step under the treatment of supercritical CO2 environment at 35 MPa and 40 DEG C for 2 hours. Traditional high-temperature drying is not needed, internal stress and crack generation are significantly reduced, and the stability of the pores is improved. The final coating has self-repairing, high adhesion and scrub resistance, and the preparation process is environmentally friendly and efficient, and is suitable for the surface long-acting antibacterial protection of medical devices, food packaging and public facilities.

The present disclosure relates generally to materials and medical devices impregnated with antimicrobial compounds. More specifically, the materials are medical matrix materials comprising nanopores or nanochannels in which the antimicrobial compounds are disposed. In other embodiments, medical matrix materials comprises nanomaterials and antimicrobials distributed throughout the material. The materials described herein are useful for a broad spectrum of medical devices and consumer products. The present disclosure further provides methods of making the antimicrobial materials and medical devices disclosed herein.

The invention discloses a method for preparing high-solubility walnut protein powder through enzymolysis, and belongs to the technical field of microbial materials. The invention provides a novel method for preparing high-solubility walnut protein powder. The novel method comprises the steps of multi-step enzymolysis, microbiological post-treatment, desalination, debitterization, purification, concentration, drying and the like. Compared with the traditional method, the walnut protein powder prepared by the method disclosed by the invention is remarkably improved in the aspects of solubility, flavor, stability, nutritional value and the like, and has a wide market application prospect. In the food industry, the protein additive can be used as a high-quality protein additive to be applied to products such as various drinks, dairy products, baked foods and the like, and the nutritional quality and the taste of the products are improved. In the field of health care products, the walnut protein powder with high solubility can be better absorbed and utilized by human bodies, and more effective nutritional supplement is provided for consumers.

The present invention relates to microorganisms, materials and methods for improving the activity of microorganisms. In particular, the present invention provides methods for preparing microorganisms to improve metabolic activity and / or synergy, metabolism-activated and / or synergistic microorganisms, and methods of using these metabolism-activated and / or synergistic microorganisms, particularly in industrial fermentation processes.

The present disclosure relates generally to materials and medical devices impregnated with antimicrobial compounds. More specifically, the materials are medical matrix materials comprising nanopores or nanochannels in which the antimicrobial compounds are disposed. In other embodiments, medical matrix materials comprises nanomaterials and antimicrobials distributed throughout the material. The materials described herein are useful for a broad spectrum of medical devices and consumer products. The present disclosure further provides methods of making the antimicrobial materials and medical devices disclosed herein.

The testing method for use in undertaking a test upon a sample for the presence of a specific microbiological material, comprising the steps of: combining the sample with a viability-preserving medium

Disclosed herein is a mask with an odor management mechanism comprising one or more channels, one or more edges with a skin adhesive, or anti-microbial material. Also disclosed herein is a mask with a liner infused with one or more skin.

The invention discloses an ecological soil remediation agent, preparation equipment and a preparation method.The ecological soil remediation agent comprises a first slow-release layer, a second slow-release layer and a filling material, the first slow-release layer is arranged on the outer side of the second slow-release layer, and the filling material is arranged in the second slow-release layer in a filling mode; the first slow-release layer, the second slow-release layer and the filling material are combined to form the soil remediation agent. The soil remediation agent provided by the invention is composed of the slow-release layer arranged on the outer side and the filling material arranged in the soil remediation agent, the soil remediation agent can be pre-buried in soil before plants are planted, and after the outer slow-release layer is decomposed under the action of a microbial material and an external environment, the soil remediation agent can be degraded; when the plant grows normally, the filling material used for repairing the soil inside is released into the soil to repair the soil, so that the filling material used for repairing the soil is put into the soil when the plant grows normally, the filling material can be in full contact with the soil, and the soil repairing efficiency is improved.

The present invention addresses the problem of providing a microbial material that can also be applied to agricultural crop cultivation in a dry area.　The present invention provides the following endospore-forming bacteria (A) to (C) having plant-growth promoting activity in a dry environment. (A) Either Bacillus thuringiensis TTREp1 strain identified by the accession number NITE BP-04159 or Bacillus altitudinis TCo-SSREp1 strain identified by the accession number NITE BP-04160, or a mutant strain thereof (B) Paenibacillus polysaccharolyticus TP-WSREp1 strain identified by the accession number NITE BP-04163, or a mutant strain thereof (C) either Priestia aryabhattai TTREn1 strain identified by the accession number NITE BP-04165 or Priestia megaterium TC-WSREn1 strain identified by the accession number NITE BP-04166, or a mutant strain thereof

The invention provides a microbial material for mineralization and sand fixation of a seabed substrate and an application method of the microbial material, and particularly relates to the technical field of seabed substrate solidification. According to the application method, a microbial material is adopted, and the microbial material comprises a hollow microbial immobilization sealing body, a calcium source urea capsule, spherical aquatic plant mud particles and sea sand; the calcium source urea capsule is placed in an inner cavity of the microorganism immobilization sealing body; the spherical aquatic plant mud particles comprise aquatic plant mud containing nutrient substances and aquatic plant seeds wrapped in the aquatic plant mud. Calcium carbonate minerals are induced under the action of seawater to form a mineralized film on the surface of the seabed, so that spherical aquatic plant mud particles containing aquatic plant seeds are stabilized in a microorganism immobilization sealing body and sea sand, conditions are created for breeding of the aquatic plant seeds, seabed underflow scouring can be effectively resisted, the surface of the seabed is solidified, and the survival rate of the aquatic plant seeds is increased. And the seabed substrate is further improved.

The invention provides an antibacterial master batch for melt spinning of chinlon 6 and a preparation method thereof, the antibacterial master batch comprises chinlon 6 resin slices, a long carbon chain alkyl glycidyl ether modified guanidine salt polymer anti-harmful microorganism material, a main antioxidant, an auxiliary antioxidant, a lubricant and a dispersing agent, and the preparation method comprises the following steps: uniformly mixing the components in proportion, and adding into a twin-screw extruder; and under the protection of inert gas, carrying out melt blending on the blended materials through a twin-screw extruder, and granulating to obtain the antibacterial master batch for melt spinning of chinlon 6. The antibacterial master batch for melt-spinning chinlon 6 is used for antibacterial modification of melt-spinning chinlon 6 fibers, the addition amount of the antibacterial master batch is 2-10% of the mass of a chinlon 6 resin slice base material, and the prepared antibacterial modified melt-spinning chinlon 6 has the advantages of lasting antibacterial performance, high efficiency, broad spectrum, washing resistance, dissolution resistance and the like.