96 results about "Bone meal" patented technology

The application discloses a pH-responsive degradable composite bacteriostatic film derived from waste bone powder extract and a preparation method thereof. The main components of the film are collagen and hydroxyapatite extracted from waste bone powder, citric acid monohydrate-betaine and lactic acid-betaine eutectic solvent, and in addition, purple corn anthocyanin is used as a pH response agent, and citric acid monohydrate-betaine eutectic solvent is used as a crosslinking agent and a bacteriostatic agent. In the preparation process, collagen and hydroxyapatite are mixed with an aqueous solution of eutectic solvent and heated, and after the system is reduced to room temperature, the anthocyanin aqueous solution is added, mixed, and ultrasonic defoaming is performed, then the film forming liquid is poured into a clean mold, vacuum dried, and cooled to remove the film. The pH-responsive degradable composite film prepared based on the above method has good properties, not only has the characteristics that the overall color changes with the microenvironment pH, but also has good mechanical strength, bacteriostasis and degradability, and has wide application potential in many fields such as food preservation.

The invention provides a composition for changing plasticity of bone meal particles as well as a preparation method and application of the composition, and relates to the technical field of biomedical materials. The composition is prepared from the following raw material components: bioactive glass, dihydrazide modified sodium hyaluronate, sodium hyaluronate with the molecular weight of 50kDa to 500kDa, a polylactic acid-glycolic acid copolymer and carboxymethyl cellulose. The preparation method of the dihydrazide modified sodium hyaluronate comprises the following steps: carrying out carboxyl activation on sodium hyaluronate, carrying out a cross-linking reaction on the activated hyaluronic acid and adipic dihydrazide, and then terminating the reaction. The composition provided by the invention not only can provide support, but also can adjust the degradation rate to be matched with the bone regeneration period, and all the components synergistically improve the mechanical property and the viscoelastic property. The composition disclosed by the invention can be formed in situ at a bone defect part, provides a space for growth and proliferation of bone cells, improves the biological activity and osteoinductivity of an artificial bone, and promotes bone growth and repair.

This invention discloses a method and application for extracting soluble collagen from bones unearthed from archaeological sites, belonging to the field of archaeological sample processing technology. Specifically: 1) After pretreatment, the blocky ancient bone sample is dried at low temperature and ground into bone powder; the bone powder is added to an acidic solution for ultrasonic treatment, centrifuged, and the supernatant is filtered to obtain the sample to be loaded onto a column; 2) The sample to be loaded onto the column is subjected to chromatographic separation, using a gradient elution with equilibration buffer and elution buffer, and a UV detector is used to monitor protein peaks, collecting the target protein solution that elutes within 20-30 minutes; 3) Finally, the target protein solution is concentrated and purified using an ultrafiltration tube to obtain soluble collagen. This invention can obtain a sufficient amount of collagen from ancient deteriorated bone samples, significantly improving sample utilization and providing reliable technical support for bioarchaeological research.

The present application relates to a kind of technology for inducing marine sessile organism attachment, especially a kind of fiber reinforced ecological concrete and preparation method, belong to the cross field of marine sessile organism and marine concrete.Its material components include: cementitious material, broken stone, sand, water, dark pigment, biological calcium powder, calcium carbonate powder, trace element, chopped fiber and superplasticizer.The purpose of the present application is to induce sessile organism attachment, mainly oyster, in the tidal zone reinforced concrete corrosion prevention, considering the attachment of barnacle.By controlling to use dilute acid modification and composite grinding technology, the inducing capacity of bovine bone powder is fully exerted, the bovine bone powder content is greatly reduced, and corrosion prevention treatment and modification are carried out, a composite inducer mainly composed of bovine bone powder is realized, the content is small, and the concrete strength and permeability are almost not affected.

The present application relates to a kind of calcium peptide chelate based on defatted sheep bone powder homologous recombination and its preparation method and application, preparation method, including the following steps, defatted sheep bone powder is mixed with water, flavourzyme is added to carry out enzymolysis, enzyme is inactivated after enzymolysis, and the enzymatic hydrolysate containing bone-derived peptide is obtained;Lactic acid is added in enzymatic hydrolysate and is hydrolyzed, so that calcium ion is dissolved, and the mixed solution containing bone-derived peptide and calcium ion is obtained;Mixed solution is carried out chelation under neutral condition, after reaction, aftertreatment is carried out, and calcium peptide chelate is obtained;Calcium peptide chelate prepared according to the above preparation method is used as salty taste enhancer, salt-reducing auxiliary agent or flavor enhancer, and its application in food.The present application has the advantages of homologous resource recombination, improves chelation rate, raw material utilization rate is high, realizes sheep bone by-product high value, process safety, can add chelate to clear soup base material, so as to reduce sodium, the effect of calcium supplement, salty seasoning.

The utility model relates to the technical field of bone meal operation device, and disclose a kind of bone meal multistage fine crushing combined operation equipment, including support assembly, the front side top of support assembly is fixedly installed with bottom polishing assembly, the top of bottom polishing assembly is correspondingly provided with top polishing assembly, top polishing assembly is fixedly installed in the top of lifting adjustment component, lifting adjustment component is slidably installed in the outer wall of support assembly rear side.The utility model is provided with adjusting pulverizing box assembly on the device, so that when using the device, the adjusting pulverizing box assembly can provide the working effect of collecting powder during the grinding work, after completing the work, the adjusting pulverizing box assembly can provide the working effect of unfolding and exporting at this time, and the angle adjustment of corresponding export can be carried out for the docking box or device of different height.

This invention discloses a pet food with coat-enhancing, shine-promoting, and coat-protecting effects, its preparation method, and applications. The food comprises the following components: chicken meal, fresh chicken meat, duck meal, sardine meal, chicken liver, sweet potato meal, corn meal, chicken heart, beef bone meal, duck meat pear, chicken oil, and egg yolk granules; coriander root powder, inulin, seaweed powder, beet pulp, flaxseed, fish oil, cranberry powder, carrot, krill, honeysuckle, turmeric, chrysanthemum, mannan oligosaccharide, lactulose, etc. The raw materials and auxiliary ingredients of this pet food are widely available, palatable, inexpensive, and readily available. The coriander root powder, other auxiliary ingredients, and nutritional supplements / additives work synergistically to improve the shine of the pet's coat, promote growth, and maintain coat health, while also improving the microstructure of the hair cuticle, fundamentally preventing pet coat health problems. The pet food preparation method disclosed in this invention is simple to operate, safe, and environmentally friendly, and is particularly suitable for feed products with high humidity and high heat sensitivity.

The invention relates to a preparation method of a plastic bone grafting material and the plastic bone grafting material.The preparation method comprises the following steps that a, phenyl phosphate lithium salt is dissolved in a phosphoric acid buffer salt solution to obtain a mixed solution, and Ge MA is dissolved in the mixed solution to obtain a Ge MA gel solution; b, bone meal and the Ge MA gel solution are subjected to a cross-linking effect, so that the bone meal and the Ge MA gel solution are fully mixed, then light source irradiation is conducted, the bone meal hydrogel bone grafting material is obtained, and the particle size of the bone meal is 0.25-0.5 mm. According to the preparation method of the plastic bone grafting material, provided by the invention, the bone meal and the Ge MA gel solution are subjected to cross-linking and then subjected to light source irradiation, so that the bone meal and the hydrogel are uniformly mixed, the compatibility of an organic phase and a bone meal particle interface is good, and the prepared plastic bone grafting material is relatively high in plasticity and good in osteoinductivity; and the cell adhesion rate is high.

The invention belongs to the technical field of solid waste treatment, and particularly discloses a preparation method for increasing the content of soluble calcium in fish bones. The method comprises the following steps: pretreating fish bones to obtain fish bone powder; mixing fish bone meal and water, and sterilizing to obtain a fermentation substrate; according to the method, bacillus subtilis, lactobacillus plantarum and saccharomycetes are adopted for multi-strain sequential fermentation, the bacillus subtilis is inoculated firstly for ventilation fermentation for 2-4 days, the pH is adjusted to 6.5-7.0, then sterilization is performed, a carbon source is added, a mixed bacterium solution of the lactobacillus plantarum and the saccharomycetes is inoculated, and ventilation fermentation is performed for 2-4 days. Through a specific strain combination and an innovative sequential fermentation process, the enzyme production capacity of bacillus subtilis and the acid production capacity of lactobacillus plantarum and saccharomycetes are remarkably improved, dissolution of calcium in fish bones is synergistically promoted, the problem of bitter taste generated by a traditional enzymolysis method is avoided, and the method has the advantages of high efficiency, greenness and complete nutrition retention.

The invention discloses an animal feed additive composition, an animal feed and application of the animal feed. The animal feed additive comprises marine animal-derived hydroxyapatite, takifugu fish skin glue, composite algae powder and euphausia superba powder. Marine animal source hydroxyapatite is derived from takifugu calthrop bone meal. The animal feed additive composition comprises the following components in percentage by mass: 40%-50% of takifugu calthrop bone meal; 10%-15% of takifugu fish skin glue; 30%-40% of composite algae powder; and 10%-15% of euphausia superba powder. The invention also discloses an animal feed, which comprises a basal feed and the animal feed additive composition accounting for 3.0-6.0% of the mass of the basal feed. According to the application, the takifugu calthrops are converted into the animal feed additive composition with high additional value from fish skin processing waste for the first time, so that single-component chemical additives such as stone powder and calcium hydrophosphate which are widely used at present can be replaced, and resource utilization and high-value utilization of marine fishery waste are realized.

This invention relates to a compound nutritional composition and its application. The compound nutritional composition comprises the following components: 1 part by weight of turmeric; 0.002-5 parts by weight of enzymatically hydrolyzed bone powder; and 0.02-0.2 parts by weight of cartilage powder containing type II collagen or 0.02-10 parts by weight of collagen peptide powder. The compound nutritional composition provided in this application addresses the specific osteoarthritis issues of athletes. By constructing an articular cartilage cell inflammation model and conducting population testing, the intervention effects of the compound nutritional composition provided in this application on exercise-related oxidative stress, inflammatory response, and pain perception are systematically evaluated. The aim is to overcome the limitations of traditional broad-based formulations and develop precise nutritional solutions that combine component synergy with exercise physiological adaptability, providing athletes with more scientific and effective joint health protection.

The invention relates to a high-protein fertilizer and a preparation method thereof. The high-protein fertilizer comprises 150-250 parts of peanut bran, 100-200 parts of bean bran, 500-700 parts of chicken manure, 25-35 parts of cattle bone powder, 10-15 parts of watermelon peel and 1-10 parts of a compound microbial agent. The chicken manure, the peanut bran, the bean bran, the cattle bone powder and other protein-rich organic wastes are used as raw materials, the high-protein fertilizer is prepared through reasonable raw material matching and microbial fermentation, and the high-protein fertilizer is rich in organic matter, amino acid, beneficial microorganisms and the like and can effectively improve soil and improve the crop yield and quality.

In order to prevent the bait from being grabbed by small fishes and enable the bait to smoothly fall to the water bottom in the fishing process, according to the characteristic that the small fishes only grab the bait on the upper middle layer of a water body, a bait ball hung on a hook is soaked into syrup, then put into a dry powder box and coated with light bran which is lighter than the water and added with essence and a small amount of fishbone dust, operation is repeated twice, and then the bait is thrown into the water. When the bait ball descends, water impacts the surface of the bait ball, the two layers of light bran can gradually fall off, disperse and float upwards, the attention of small fishes is transferred, the small-particle light bran which floats upwards is grabbed, and therefore the effect of shelling the cicada shells is achieved, and the bait can completely sink to the water bottom. Due to the fact that the syrup has the water absorption function and is attached to the outer surface of the bait ball, the bait ball cannot become soft and be unhooked, the bait ball is wrapped with a protective layer, meanwhile, the sweet taste of the syrup has allure to freshwater fish, and the fish luring effect of the bait can be improved. According to the scheme, in summer and autumn of 2024, the effect of trapping small fishes to grab baits is very obvious through multiple actual fishing tests of the applicant.

The invention relates to the technical field of food safety detection, in particular to a characteristic peptide fragment for detecting sheep bone components, a preparation method, a liquid phase mass spectrum method and application thereof. The invention provides a characteristic peptide fragment for detecting sheep bone components. The characteristic peptide fragment comprises one or more than two of a first peptide fragment, a second peptide fragment and a third peptide fragment, the characteristic peptide fragment provided by the invention has high detection specificity. The invention also provides a liquid mass spectrometry method for detecting and / or identifying sheep bone components by using the characteristic peptide fragment, the method is simple and clear to operate during detection, can realize high-throughput detection and ensure the accuracy of identification results, and has the advantages of interference resistance, high sensitivity, high sensitivity and the like. The method is suitable for high-temperature treatment of bone products (such as bone meal and capsules) and detection of complex matrixes (such as mixed bone meal and Chinese patent medicines).

The invention relates to the technical field of ceramics, in particular to environment-friendly foaming snowflake glaze, a ceramic product with the glaze and a preparation method of the environment-friendly foaming snowflake glaze, and the environment-friendly foaming snowflake glaze comprises the following raw materials in parts by weight: 45-50 parts of yak bone meal, 15-20 parts of high-expansion frit and 3-5 parts of low-temperature transparent frit. The low-temperature transparent frit is prepared from the following raw materials in parts by weight: 25-30 parts of borax, 8-12 parts of calcite, 6-8 parts of Suzhou clay, 4-6 parts of modified zinc oxide and 6-8 parts of barium carbonate. The yak bone meal is adopted as a core raw material, the scientific proportion of the high-expansion frit and the low-temperature transparent frit is matched, the defects that a traditional product is uneven in glaze texture and not obvious in snowflake-shaped effect are effectively overcome, the yak bone meal is higher in component purity and more stable in mineral phase, the yak bone meal is cooperatively matched with expansion force generated in the firing process of the high-expansion frit, and the high-expansion frit glaze is prepared. Under the fluxing and transparent effects of the low-temperature transparent frit, the glaze layer can be promoted to form uniform and fine snowflake-shaped porous textures with strong stereoscopic impression.

Disclosed in this disclosure are Acid Sulfate Soil (ASS) improvement materials, and preparation methods and application methods thereof. ASS improvement materials include mixed particle improvement materials and microbial improvement materials. The mixed particle improvement materials include natural mineral materials, organic carbon materials, lignosulfonates, silicates, high molecular polymers, shell powder, fish bone powder, and hydrated lime powder; and the microbial improvement materials include Bacillus megaterium, Bacillus subtilis, Bacillus licheniformis, Bacillus amyloliquefaciens, Trichoderma harzianum, yeast, and photosynthetic bacteria.During use, the mixed particle improvement material is evenly distributed in the soil, and is well mixed with the soil through rotary tillage; the microbial improvement material is dissolved in water and added to the irrigated land, the water surface depth is 5-10 cm, the land is continuously soaked for 5-7 days, and then agricultural cultivation activities are carried out after the water level naturally decreases. The ASS improvement material in the present disclosure has the effects of deacidification, maintenance and improvement of fertilizer, and increase in production, and has the characteristics of efficiency, green, environmental friendliness, etc.

The invention relates to the technical field of functional food, in particular to an electrolyte composition beneficial to joint injury repair after exercise and a preparation method of the electrolyte composition. The electrolyte composition is mainly prepared from the following raw materials in parts by mass: 0.1 to 2 percent of N-acetylglucosamine, 0.05 to 0.5 percent of cartilage extract, 0.05 to 0.5 percent of enzymolysis bone meal, 0.01 to 0.05 percent of milk mineral salt, 0.1 to 1 percent of collagen peptide, 0.01 to 0.3 percent of vitamin and 0.03 to 0.3 percent of electrolyte. The nano hydrated milk mineral salt is adopted, the absorption efficiency of elements such as calcium and phosphorus in a body is improved, and the electrolyte composition is prepared by combining components such as N-acetylglucosamine and the cartilage extract, so that joint inflammation and cartilage injury caused by exercise are effectively improved while water and electrolyte are supplemented, and the activity of joints and exercises is improved. The electrolyte composition is good in taste, high in stability and suitable for joint protection and nutrition supplement after exercise.

The utility model discloses a drying device for cattle bone powder production. The drying device comprises supporting legs, a shell is installed at the top ends of the supporting legs, a stirring mechanism is installed in the shell, a stirring shaft is installed at the top end of a servo motor, a rotating block is installed at the top end of the stirring shaft, and scrapers are installed on the two sides of the rotating block. According to the cattle bone powder drying device, the servo motor is installed at the bottom end of the shell, the servo motor works to drive the stirring shaft to rotate, the stirring shaft rotates to drive the stirring blades to rotate, the stirring blades rotate to stir cattle bone powder in the shell, the cattle bone powder is dried more evenly, the cattle bone powder structure efficiency is higher, and meanwhile, the cattle bone powder drying efficiency is improved. The stirring shaft rotates to drive the rotating block to rotate, the rotating block rotates to drive the scraping plate to rotate, the scraping plate rotates to treat and stir the surface of the screen, the screening effect of the cattle bone powder on the surface of the screen is better, and therefore the purpose that the drying device for cattle bone powder production facilitates improvement of the processing efficiency of the cattle bone powder is achieved.

The utility model belongs to the technical field of medical instruments, and particularly relates to a universal abutment titanium shield which comprises a titanium shield body, an abutment mounting hole is formed in the middle of the upper end of the titanium shield body, and a plurality of positioning holes are formed in the bottom of the titanium shield body. According to the utility model, the four elastic adjusting sheets are arranged on the inner side of the mounting hole of the abutment of the titanium shield main body, so that the titanium shield main body can be locked by adjusting the four elastic adjusting sheets when the abutment of various planting systems is used for mounting the titanium shield, and the plurality of adjusting grooves which are arranged in parallel are arranged on the inner side of the titanium shield main body; when the titanium shield is installed, the radian of the titanium shield main body can be finely adjusted through the adjusting grooves, so that the titanium shield main body better conforms to the shape of alveolar bones of a patient to be reconstructed so as to ensure the sealing and supporting effects on internal bone meal, and the width of the titanium shield main body can be adjusted by cutting the titanium shield main body along the adjusting grooves according to the bone defect area; the applicability of the device is further improved, the titanium shield does not need to be customized during use, and the production cost and the patient cost are reduced.

The invention relates to a preparation method and application of a narrow gadus bone active peptide compound. The preparation method of the narrow gadus bone active peptide compound comprises the following steps: carrying out primary enzymolysis on narrow gadus bone meal by using flavourzyme, separating through ultrafiltration, selecting components with molecular weight less than 3 kDa, and carrying out targeted enzymolysis by using trypsin. Further analyzing and screening the narrow gadus bone active peptide compound to obtain four kinds of narrow gadus bone active peptides, and the amino acid sequences of the four kinds of narrow gadus bone active peptides are FDY, DLGF, DGWR and ECMFPK respectively. The narrow gadus bone active peptide compound and the narrow gadus bone active peptide both have the biological activity of improving insulin resistance and reducing postprandial blood sugar, have the advantages of being good in water solubility, high in safety and the like, and can be applied to the fields of dietary nutrition, biological medicine products and the like.

The present application relates to the field of livestock feed, and provides a feed for improving the intestinal health of livestock by rosemary oil and a preparation method thereof; the feed is composed of cyclodextrin-coated rosemary oil compound, corn flour, straw pellets, wheat, barley, rapeseed meal, cottonseed meal, peas, bran, bone meal, calcium carbonate, calcium hydrogen phosphate and the like. The cyclodextrin-coated rosemary oil compound is obtained by co-precipitation of rosemary essential oil nano-composite emulsion and cyclodextrin, and the rosemary essential oil nano-composite emulsion is mainly obtained by nano-emulsification of rosemary, alpha-tocopherol and chitosan; the above technologies significantly enhance the stability, slow-release performance and absorption rate of rosemary oil in the feed. The feed is uniformly mixed and granulated by a double-shaft paddle mixer, and the feed not only improves the intestinal health of livestock and enhances the nutrient absorption efficiency, but also has good processability, storage stability and long-term performance.

The invention relates to the technical field of functional fertilizers, in particular to a special slow-release fertilizer for coptis chinensis and a preparation method thereof, the special slow-release fertilizer for coptis chinensis comprises the following components: modified zeolite, rapeseed meal, bone meal, peat, borax, urea, ammonium phosphate, potassium sulfate and a composite enzymatic hydrolysate; according to the special slow-release fertilizer for coptis chinensis disclosed by the invention, through optimized matching of all the components and a synergistic effect of a specific treatment process, on one hand, the slow-release performance of the fertilizer is remarkably improved, nutrient loss is reduced, and the utilization rate of the fertilizer is increased; on the other hand, continuous and balanced nutrition supply is provided for growth of the coptis chinensis, plant height increase, leaf development and root biomass accumulation of the coptis chinensis are effectively promoted, meanwhile, the content of effective components such as berberine is increased, high quality and high yield of the coptis chinensis are finally achieved, and the method has good economic and ecological benefits and is suitable for large-scale planting, popularization and application of the coptis chinensis.

The invention discloses a trace element premix for improving eggshell quality. The feed additive is prepared from the following raw materials: mulberry leaf powder, schizochytrium limacinum powder, eggplant stems, negundo chastetree fruits, negundo chastetree roots, spartina anglica, moringa seeds, chequer-shaped indocalamus leaf powder, tilapia bone meal, crab shell powder, a complex microbial inoculant, compound vitamins, compound amino acids, iron glycinate, ferrous lactate, zinc methionine, zinc propionate, manganese glycinate, copper glycinate, strontium citrate, cobalt methionine, calcium glutamate, sodium selenite and the like. The premix can be used for processing feed for improving the quality of eggshells, is suitable for later laying period of laying hens, and can improve the laying rate and the quality of the eggshells at the same time.

The invention relates to the technical field of meat processing, in particular to mutton sheep carcass cutting equipment which comprises a base and a workbench parallel to the base, the workbench is located above the base, a rack is fixedly connected to one side of the workbench, sliding rails are vertically and fixedly connected to the upper side and the lower side of the rack, and sliding seats are in sliding fit with the sliding rails; a mounting plate is fixedly connected to the sliding seat, a pipe fitting is rotatably mounted on the bottom surface of the mounting plate, a connecting structure is arranged in the pipe fitting and used for connecting a saw blade of the wire saw, a transmission gear is rotatably mounted on one side of the mounting plate, and the saw blade of the wire saw rotates while doing linear reciprocating motion in the sheep carcass cutting process; therefore, impurities such as ice residues, meat scraps and bone meal attached to the surface are cleaned through centrifugal force generated in the rotating process of the fretsaw blade, the cleanliness of the fretsaw blade in the working process is guaranteed, and the impurities on the surface of the fretsaw blade are prevented from polluting cut meat.

This invention provides a compound umami-enhancing seasoning and its preparation method, belonging to the field of food seasoning technology. The compound umami-enhancing seasoning comprises: chicken essence powder, monosodium glutamate powder, white pepper powder, black pepper powder, edible salt, starch, edible glucose, chicken bone powder, beef bone powder, natural spices, aromatics, chicken powder seasoning, white sugar, yeast extract, compound soy sauce seasoning powder, plant protein, and edible additives. This compound umami-enhancing seasoning achieves a synergistic effect through multiple umami substances, combined with natural spices, aromatics, and meat and bone powder, resulting in a rich and lasting umami flavor, a complex and diverse flavor profile, a mellow taste, good stability, and ease of use, suitable for various scenarios such as cooking, cold dishes, and soups.

This invention discloses a selenium-enriched ceramic capable of slow-release selenium and its preparation method. The raw material components and mass ratio of the selenium-enriched ceramic capable of slow-release selenium are: natural bone meal: kaolin: quartz: feldspar = 1:5:2:2; the selenium-enriched glaze layer comprises a selenium-enriched surface glaze and natural selenium powder, with a mass ratio of selenium-enriched surface glaze: natural selenium powder = 10:1; the natural selenium powder is made from natural selenium-rich ore through water washing, magnetic separation, acid washing to remove cadmium, and grinding to 300 mesh. This invention safely supplements selenium, with selenium migration within a safe and effective range, posing no risk of excessive absorption, and lead and cadmium levels far below national standard limits. This invention exhibits excellent performance, meeting standards for thermal stability, flexural strength, and water absorption, satisfying the requirements for long-term use of daily-use ceramics. The process of this invention is stable, with clear and traceable parameters, suitable for industrial mass production. This invention has wide applications and can be used to produce various food contact ceramic products such as tableware, tea sets, and wine sets.

An enhanced osteoinductive composition is prepared by subjecting particulate bone to a demineralization process that is optimized based on the particle size. In broad particle size ranges, ground bone is separated by particle size and each size range is subjected to independent demineralization conditions that maintain high levels of endogenous growth factors found in bone. Following demineralization, the size ranges are recombined to create an enhanced osteoinductive composition. In narrow particle size ranges, bone is milled to achieve a predetermined size, and the demineralization process is adjusted to this size range. Size-optimized demineralization is also used to create enhanced demineralized bone matrix particles in the size range of <125 μm. Enhanced osteoinductive compositions using size-optimized demineralization bone matrix and protein isolation and / or bone gelatin creation techniques are disclosed. Tissue repair compositions using the enhanced osteoinductive particles are also disclosed.

The invention relates to a microbial organic fertilizer and application thereof, and belongs to the technical field of biology, the microbial organic fertilizer comprises the following components: a component A comprising the following components in parts by mass: 4-6 parts of soybean peptide powder, 18-22 parts of soybean enzymatic hydrolysate, 18-24 parts of corncob furfural residue powder, 14-16 parts of mineral source humic acid, 12-18 parts of mushroom residue powder, 6-15 parts of rice hull powder, 6-9 parts of oyster shell powder, and 5-7 parts of cattle bone powder; the component B comprises a Japanese bradyrhizobium inoculant, a micrococcus luteus inoculant and a bacillus subtilis inoculant in a mass ratio of 1: (1-2): (3-6); and the mass of the component B is 1-3% of that of the component A. The bio-organic fertilizer provided by the invention can effectively prevent and treat clubroot caused by plasmodiophora brassicae and improve the yield of Chinese cabbages; the biological organic fertilizer provided by the invention can be used for effectively preventing and treating tomato bacterial wilt caused by pseudomonas solanacearum and increasing the yield of tomatoes; the bio-organic fertilizer provided by the invention can be used for effectively preventing and treating tea tree root rot caused by hard aschersonia, and the yield and the quality of tea leaves are improved.

The utility model relates to the field of dentistry, and discloses a double-layer bone meal mixing bowl convenient to clean and disinfect, which comprises a bone meal bowl main body and an inner filter bowl, the inner filter bowl is placed inside the bone meal bowl main body, the left side of the top end of the inner filter bowl is fixedly connected with a first connecting piece, and the right side of the top end of the inner filter bowl is fixedly connected with a second connecting piece. The bottom end of the first connecting piece is fixedly connected with a connecting clamping block, and the bottom end of the second connecting piece is fixedly connected with a positioning clamping block. According to the double-layer bone meal mixing bowl convenient to clean and disinfect, infiltration mixing is achieved through the bone meal bowl body and the inner filter bowl which are detachable, during operation, a proper amount of water is firstly added into the bone meal bowl body, then the inner filter bowl is installed on the bone meal bowl body, bone meal is poured on the inclined face of the inner filter bowl, the bone meal is laid on the inclined face, and then the bone meal is mixed. The water level in the bone meal bowl body is adjusted to achieve the infiltration degree of bone meal, the inner filter bowl is directly taken out after infiltration, the bone meal can be independently taken out and then stirred and blended, and the problem that redundant liquid is inconvenient to remove is solved.