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Medium-chain fatty glyceride and application thereof in microcapsules
InactiveCN102488088ANot easy to formNo antibacterial effectAnimal feeding stuffOctanoic AcidsCapric Acid
The invention discloses a medium-chain fatty glyceride, wherein the mass ratio of octanoic acid to capric acid is (10-90) to (90-10). In an application of the medium-chain fatty glyceride in microcapsules, the weight of the medium-chain fatty glyceride is 50-70% of the weight of the microcapsule grains. After the medium-chain fatty glyceride is used for feeding animals, the production performance is increased and the healthy degree is improved.
Owner:LONGYAN XINAO BIOTECH
Chitosan-heparin layer-layer self-assembly small-caliber artificial terylene blood vessel and production method thereof
InactiveCN101940803ANon-immunogenicNo antibacterial effectPharmaceutical containersMedical packagingChemistryVascular graft
The invention provides a chitosan-heparin layer-layer self-assembly small-caliber artificial terylene blood vessel and a production method thereof. The chitosan-heparin layer-layer self-assembly small-caliber artificial terylene blood vessel is characterized by comprising an artificial knitted terylene blood vessel the inner wall of which is provided with a presetting coating, and the inner wall of the presetting coating is provided with a chitosan-heparin layer-layer self-assembly coating. The invention also provides the production method of the chitosan-heparin layer-layer self-assembly small-caliber artificial terylene blood vessel. The product of the invention is used for by-pass operations of surrounding arteries of a human body as a blood vessel transplanter and improves the short-mid-term patency rate of the artificial blood vessel.
Owner:ZHONGSHAN HOSPITAL FUDAN UNIV
Antimicrobial polysulphone flat ultrafiltration membrane and preparation method thereof
InactiveCN102553466APlay the role of sterilization and disinfectionAvoid pollutionSemi-permeable membranesPhase conversionFiltration
The invention provides an antimicrobial polysulphone flat ultrafiltration membrane, relates to an antimicrobial polysulphone flat ultrafiltration membrane and a preparation method thereof, and aims to solve the problem that in the prior art, the nanomaterial is hard to be dispersed uniformly and needs to be pretreated. The antimicrobial polysulphone flat ultrafiltration membrane is a silver nanoparticle-polysulphone composite flat ultrafiltration membrane which is prepared from polysulphone and silver nanoparticles by immersion precipitated phase conversion process, polysulphone is used as a film-forming material, and silver nanoparticles are prepared by liquid phase reduction of silver nitrate and used as an antimicrobial additive. The mass percentage of polysulphone in the mixture is 8% to 26%, silver nitrate accounts for 0.1% to 1% of the total mass, the reducing agent accounts for 5% to 20% of the total mass, the pore forming agent accounts for 3% to 10% of the total mass, and the solvents are in the balance. The ultrafiltration membrane plays a role of killing microorganisms and sterilizing in addition to filtration, the membrane surface is not contaminated, and the effluent quality is improved.
Owner:NORTHEAST FORESTRY UNIVERSITY
Odor type jacquard decorative fabric and manufacturing method thereof
InactiveCN101634106ADoes not affect appearanceNo addedFibre treatmentEssential-oils/perfumesEngineeringAnaphylaxis treatment
The invention relates to an odor type jacquard decorative fabric and a manufacturing method thereof. The odor type jacquard decorative fabric includes a jacquard decorative fabric, and the back surface of the jacquard decorative fabric is coated with chitosan essence micro-capsule size and dried at 90-100 DEG C. The invention has the advantages that firstly, the jacquard decorative fabric treated by the invention has durable fragrance and enough strength without damages or influence on decorative fabric appearance, and the fragrance can last for more than one year; secondly, the jacquard decorative fabric treated by the invention gradually release the fragrance which is pleasant and bacteriostatic and cause no toxic, stimulation or anaphylaxis to human body, realizing green environmentally-sound technology; thirdly, the invention is simple in process and especially convenient for wide fabric without adding special equipment, baking or dewatering, processing temperature can be easily obtained, and continuous production can be carried out; and fourthly, for the technique of the invention involves with nanotechnology and nanophase materials, the jacquard decorative fabric has the characteristic of high absorbability, can be washed many times and is practical.
Owner:HIGHTEX CO LTD ZHEJIANG
Preservation solution for animal tissues and cells at low temperature, and using method thereof
ActiveCN108902128AMaintain viabilityMaintain biological activityDead animal preservationPolyphenolDrug biological activity
The invention relates to a preservation solution for animal tissues and cells at a low temperature, and a using method thereof. One or more of water, polyol, a Collin's solution, a UW solution, an HTKsolution and Euro-collin's solution is used as a base solution, polyphenol, citric acid, poloxamer and vitamin E are added, and irradiation treatment using ultrasonic waves having a wavelength of 20kHz to 1 MHz and a sound intensity of 3 W / cm<2> or below adjusting the preservation solution is combined with the adjustment of ratio of different components in the preservation solution and control of the wavelength, the sound intensity and the irradiation time of the ultrasonic waves in order to improve the survival ability and the biological activity of animal tissues and cells in a low temperature environment.
Owner:WENZHOU MEDICAL UNIV
Synthesis method of chitosan/polyvinyl alcohol foam
InactiveCN102146168ANo antibacterial effectEnhanced antimicrobial strengthSurgeryFoaming agentSynthesis methods
The invention belongs to field of medical materials and discloses a synthesis method of chitosan / polyvinyl alcohol foam. The synthesis method comprises the following steps: dissolving polyvinyl alcohol to prepare a solution, and adding a chitosan solution into the solution; adding a foaming agent, namely 1-2ml / 10g of polyvinyl alcohol, and stirring to ensure that the solution foams freely until the volume is 2.0-2.5 times of the original volume; adding sulfuric acid, stirring for 20-40 minutes continuously, then adding formaldehyde while keeping the temperature not more than 40 DEG C, and stirring for 15-30 minutes; and injecting foams in a mould, curing and forming at 55-60 DEG C, and then washing to ensure that the product is neutral and no foam is generated, thus obtaining the chitosan / polyvinyl alcohol composite foam material. The pure polyvinyl alcohol foam material has no bactriostasis; and the foam material combined with chitosan has obvious antibacterial property, and the antibacterial intensity of the material increases along with the increase of the chitosan content.
Owner:WUHAN UNIV
Mouth mask with natural antibacterial action
A naturally antibacterial mouthpiece is composed of internal, middle and external layers and features that at least its internal layer is made up of the non-woven fabric prepared from bamboo fibres or the blended fabric of bamboo fibres and cotton. As the bamboo fibre has naturally antibacterial action to white ringworm, xanthostaphylococcus, MRSA bacteria and colibacillus, it has high antibacterial and deodoring effect.
Owner:上海天竹纺织纤维有限公司 +1
Antibiosis hand sanitizer
InactiveCN102949315AHas a bactericidal effectImprove antibacterial propertiesCosmetic preparationsToilet preparationsAntibiosisAloe arborescens
The invention belongs to the technical field of hand sanitizers, in particular to an antibiosis hand sanitizer. The invention provides the antibiosis hand sanitizer which is nontoxic, has no adverse effects, is pure natural and has a moisturizing effect. The antibiosis comprises the following raw materials: aloe essence extract, houttuynia cordata essence extract, fructus cnidii essence extract and distilled water; the aloe essence extract, houttuynia cordata essence extract, fructus cnidii essence extract and the distilled water are mixed and sufficiently stirred, acid and alkali reagents are added into the mixture for conditioning, and the solution after conditioning is subjected to high temperature vacuum sterilization treatment. The raw materials are adopted according to the following weight percentage: 20-35% of aloe essence extract, 2-8% of houttuynia cordata essence extract, 2-10% of fructus cnidii essence extract, and the rest amount of distilled water.
Owner:XIAOJIAN TECH DALIAN
Rare earth coordination compound containing Schiff base and bipyridyl and preparation method and bacteriostasis application thereof
InactiveCN102584871AReduce the amount of rare earthGood antibacterial effectAntibacterial agentsOrganic active ingredientsChemistrySchiff base
The invention provides a rare earth coordination compound containing a salicylidene glycine Schiff base and bipyridyl and a preparation method thereof. The rare earth coordination compound can be applied to bacteriostasis of colon bacillus. The rare earth coordination compound is characterized in that: the chemical formula of the coordination compound is RE(Sal-Gly)(Bipy)L.H2O, wherein RE is a rare earth ion; Sal-Gly is a salicylidene glycine Schiff base; Bipy is 2,2'-bipyridyl; and L is a negative univalent inorganic negative ion. The preparation method disclosed by the invention has the advantages of easiness and convenience for operating, mild conditions, high controllability, short treatment time and low energy consumption. A rare earth coordination compound bacteriostat has a small using amount of rare earth, and a good bacteriostasis effect is achieved under the synergetic action of rare earth ions and an organic ligand.
Owner:INNER MONGOLIA UNIVERSITY
Sea-buckthorn seed polypeptide with inhibiting effect on intestinal pathogens as well as preparation method and application of sea-buckthorn seed polypeptide
ActiveCN104099393ABroad-spectrum antibacterialEnhanced inhibitory effectAnimal feeding stuffAccessory food factorsUltrafiltrationStaphylococcus aureus
The invention provides a sea-buckthorn seed polypeptide solution with an inhibiting effect on intestinal pathogens as well as a preparation method and application of the sea-buckthorn seed polypeptide solution. The preparation steps are as follows: after sea-buckthorn seed residues are soaked, centrifugation is performed after ProteAX protease is added for hydrolysis, and the supernate is obtained, and is subjected to concentration and separation by an ultrafiltration membrane with the interception aperture of 5000 Da, so that the sea-buckthorn seed anti-bacteria polypeptide solution is obtained. The anti-bacteria culture experiment results show that the polypeptide solution within the concentration range of 10-20 mg / ml has the obvious inhibiting effect on salmonella, staphylococcus aureus, pseudomonas aeruginosa and other common intestinal pathogens. The sea-buckthorn seed polypeptide can be used as a feed additive.
Owner:神池县曦晟源生物科技有限公司
Porous starch composite material, and preparation method and applications thereof
InactiveCN106606799APromote blood clottingStrong adsorption performanceSurgical adhesivesPharmaceutical delivery mechanismChemistryPorous starch
The invention discloses a porous starch composite material, and a preparation method and applications thereof. The preparation method comprises following steps: porous starch is uniformly mixed with mesoporous zinc calcium silicate; dissolving in an ethanol solution is realized; ultrasonic dispersion is carried out; centrifugation is carried out; filtering is carried out; and an obtained precipitate is dried so as to obtain the porous starch composite material; wherein the mass ratio of porous starch to mesoporous zinc calcium silicate is controlled to be 1:(0.2-0.4). The porous starch composite material possesses rapid and excellent hemostatic effect, is capable of resisting bacteria continuously, is high in biocompatibility; degradation in vivo is realized continuously; the preparation method is simple; and application prospect is promising.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
Composition having functions of diminishing inflammation, inhibiting bacteria and promoting wound healing and preparation method thereof
InactiveCN106668331ANo antibacterial effectGood antibacterial effectOrganic active ingredientsAntimycoticsFlos chrysanthemiBiology
The invention discloses a composition having the functions of diminishing inflammation, inhibiting bacteria and promoting wound healing. The composition is characterized by being prepared from a hyaluronic acid, a compound I and a compound II, wherein the hyaluronic acid has the functions of diminishing inflammation and inhibiting bacteria; the compound I and the compound II are in synergistic interaction and inflammation diminishing and bacteria inhibiting functions with the hyaluronic acid; the compound I is prepared from the components of chamomile, green tea, prinsepia utilis royle and flos chrysanthemi indici; the compound II is prepared from ascorbic acid and dipotassium glycyrrhizinate. According to a biological composition containing activated hyaluronic acid and various functional components, by utilizing the synergistic effect of the biological composition in aspects of inflammation diminishing and bacteria inhibiting effects, the wound healing can be effectively promoted, the wound skin can be repaired, and the wound skin can be recovered to be beautiful.
Owner:杭州惠博士生物科技有限公司
Veterinary yeast glucan injection
InactiveCN102028704ANo antibacterial effectAntibacterial effect hasAntibacterial agentsOrganic active ingredientsGlucanWater soluble
The invention discloses veterinary yeast glucan injection, and aims to provide an animal immunopotentiator, which is prepared from yeast glucan through chemical modification and is a purely natural green veterinary medicine product. Each 100ml of injection contains 2 to 24g of sulfated or carboxymethyl water-soluble yeast glucan and the balance of water for injection. The injection can nonspecifically enhance the immunity of animals such as rabbits, pigs, sheep, cows and the like and improve the anti-infection capability of the animals. The preparation prepared by the invention is injection and has the advantages of no toxic or side effects, no residues and the like, is convenient to use and meets the current development requirements of green products.
Owner:天津市农业科学院
Antibacterial real silk dyeing fabric and dyeing process thereof
ActiveCN107761405ANo antibacterial effectHas antibacterial effectDyeing processLiquid/gas/vapor textile treatmentColour fastnessTextile printer
The invention belongs to the technical field of textile printing and dyeing, and in particular to fabric dyed by plant dye, and a process. An antibacterial and finishing two-step process after dyeingis avoided, and the antibacterial fabric with color can be obtained by a dyeing process. The fabric dyed by the method provided by the invention takes on a red-color series, has high color fastness and has a certain antibacterial effect on staphylococcus aureus.
Owner:CHANGZHOU UNIV
A kind of flavonoid nano-preparation and preparation method thereof
InactiveCN103989746BGood water solubilityPromote absorptionSolution deliveryPharmaceutical non-active ingredientsSolubilityBiocompatibility Testing
The invention discloses a paper mulberry flavone nanometer preparation and a preparing method thereof. The preparing method includes: dissolving paper mulberry flavone powder with ethanol, and adding SDS to prepare an organic phase; dissolving chitosan with an acetic acid solution having a concentration of 2 wt% and adjusting the pH to 5.3-5.4 to prepare a water phase; adding an aqueous tween-80 solution into the water phase; injecting the organic phase into the water phase under high-speed stirring; adding an aqueous PEG 400 solution; stirring continuously for 30-60 min; and allowing the mixture to stand and be defoamed to obtain a suspension namely the paper mulberry flavone nanometer preparation. Operations are simple and equipment requirements are low. The main raw materials are natural biomolecules, and are good in biocompatibility, nontoxic, biodegradable, free of in-vivo accumulation, simple, easily available and low in cost. After nanocrystallization, the water solubility of the flavones is improved and the oral absorption efficiency is increased.
Owner:WUHAN UNIV OF TECH
Method for evaluating sterilization effect of chlorine dioxide gas under states of low concentration and long time
The invention provides a method for evaluating the sterilization effect of a chlorine dioxide gas under states of low concentration and long time. The method comprises the following steps: providing an improved test carrier, determining the time for disinfection treatment, adding a neutralizing reagent with corresponding addition mass into the improved test carrier, and applying a bacterial suspension of a test bacterium to the improved test carrier through coating to obtain a first improved test carrier; and providing a chlorine dioxide gas environment having a concentration of 0.01-0.28mg / m<3>, disinfecting the first improved test carrier in the chlorine dioxide gas environment to obtain a second improved test carrier; and culturing the second improved test carrier in an incubator, recording the number of growing bacterial colonies and calculating a sterilization rate.
Owner:王妍彦 +2
Human defensins mHD-5 gene and related application thereof
InactiveCN106434679ANo antibacterial effectSmall toxicityBacteriaPeptide/protein ingredientsStaphylococcus lactisWestern blot
The invention discloses a human defensins mHD-5 gene and related application thereof. The human defensins mHD-5 gene has a base sequence as shown in SEQ ID NO:1. Recombinant lactococcus lactis comprises the optimized human defensins mHD-5 gene. A Western Blot result shows that the recombinant lactococcus lactis NZ9000-SHD5 disclosed by the invention can implement secretory expression of the recombinant defensins mHD-5 gene; meanwhile, an in-vitro experiment result shows that the recombinant defensins mHD-5 gene subjected to secretory expression by the recombinant lactococcus lactis NZ9000-SHD5 has an effect of effectively alleviating inflammation; compared with a conventional treatment mode, the lactococcus lactis recombinantly expressing the defensins gene combines the advantages of probiotics and defensins, and is creatively applied to reduce disease activity and alleviate inflammation of the inflammatory bowel disease.
Owner:NANFANG HOSPITAL OF SOUTHERN MEDICAL UNIV
Synthesis method of O-quaternized vanilla-based carbon residue particles based on amphiphilic biological carbon material
PendingCN113444254ANo antibacterial effectGood dispersionOrganic active ingredientsBiocidePolymer scienceSolvent
The invention discloses a synthesis method of O-quaternized vanilla-based chitosan carbon residue particles based on an amphiphilic biological carbon material, and belongs to the technical field of biology. The synthesis method comprises the following steps: preparing an amphiphilic biological carbon material from beer yeast cells by adopting a hydrothermal synthesis method, grafting chitosan by adopting a covalent binding method by taking the amphiphilic biological carbon material as a carrier, and carrying out structure modification on chitosan carbon residue particles by adopting a chemical method by taking vanillin and glycidyl trimethyl ammonium chloride as modified materials, and obtianing the functionalized carbon residue particles. A series of characterization means verify successful covalent modification of chitosan, vanillin and glycidyl trimethyl ammonium chloride. The functionalized carbon residue particles synthesized by the invention still have high dispersity in polar and non-polar solvents while retaining the advantage of antibacterial property of quaternized chitosan. The synthesis method is simple in process and low in cost. The synthetic product is low in irritation, good in biocompatibility, excellent in antibacterial property and good in amphipathy.
Owner:浙江科曼奇生物科技股份有限公司
Wormwood extract, and preparation method and applications thereof
ActiveCN111956558ANo antibacterial effectGood surface active productCosmetic preparationsSoap detergents with organic compounding agentsBiotechnologyShower gel
The invention provides a wormwood extract and a preparation method, and also provides applications of the wormwood extract in preparation of chemical products for daily use, especially in preparationof soap and shower gel. Extraction is performed on wormwood by adopting an appropriate extraction method; and the obtained wormwood extract can be used for preparing the chemical products for daily use, has good antibacterial effects and low irritation and is very safe to human bodies.
Owner:LMZ YANGZHOU HOTEL SUPPLIES
Graphene anti-bacterial sock
The invention discloses a graphene anti-bacterial sock. The graphene anti-bacterial sock comprises a first sock body and a second sock body. The outer edge side of the end part of the first sock bodyis provided with a main adhesion ring. The inner edge side of the end part of the second sock body is provided with an assistant adhesion ring. One side of the first sock body is provided with an abrasion-proof cushion. The first sock body, the second sock body and the abrasion-proof cushion are made of graphene anti-bacterial fibers. The end parts of the first sock body and the second sock body are provided with elastic cords. The graphene anti-bacterial fibers are formed by 7% of graphene cotton fibers and 93% of elastic fibers. The elastic fibers comprise spandex, chinlon and a rubber band.The graphene anti-bacterial sock has a good anti-bacterial property, and is perfect in anti-bacterial effect. Effectiveness is nearly permanent, the anti-bacterial effect cannot be affected by a service time length of a user, and a phenomenon of losing an anti-bacterial agent is not existent, namely washing resistance is permanent. A length of the sock can be controlled through bonding or separating the main adhesion ring and the assistant adhesion ring, and an operation is very convenient.
Owner:江苏亚飞炭素有限公司
Medical instrument disinfectant and preparation method
InactiveCN105557767AFormulation ScienceEasy to makeBiocideDead animal preservationDisinfectantSodium phosphates
The invention discloses a medical instrument disinfectant. The medical instrument disinfectant is prepared from, by weight, 1-2 parts of dibromohydantoin, 1.6-3.8 parts of paraformaldehyde, 11-15 parts of chervil larkspur herb, 7-13 parts of a disinfecting drug, 8-12 parts of folium baeckeae, 6-8 parts of leaves of eucalyptus tereticornis, 4-7 parts of whiteflower cacalia seeds, 2.2-3.8 parts of ethylene oxide, 2-3 parts of Gemini quaternary ammonium salt and 0.5-1.5 parts of chlorinated sodium phosphate. The medical instrument disinfectant has the advantages that multiple Chinese herbal medicines with the higher antibacterial effect are screened out for reasonable compatibility, and then the disinfectant which is capable of quickly killing bacteria, wide in antibacterial spectrum, long in bacteriostatic time and the like is prepared; the prepared disinfectant is good in disinfection effect, capable of quickly killing pathogenic bacteria on an instrument, free of corrosive action on the equipment, stable in performance and long in quality guarantee period.
Owner:史春艳
Seabuckthorn seed polypeptide with antibacterial effect and preparation method and application thereof
ActiveCN104099393BEnhanced inhibitory effectGood antibacterial effectAccessory food factorsFermentationStaphylococcus aureusAnti bacteria
The invention provides a sea-buckthorn seed polypeptide solution with an inhibiting effect on intestinal pathogens as well as a preparation method and application of the sea-buckthorn seed polypeptide solution. The preparation steps are as follows: after sea-buckthorn seed residues are soaked, centrifugation is performed after ProteAX protease is added for hydrolysis, and the supernate is obtained, and is subjected to concentration and separation by an ultrafiltration membrane with the interception aperture of 5000 Da, so that the sea-buckthorn seed anti-bacteria polypeptide solution is obtained. The anti-bacteria culture experiment results show that the polypeptide solution within the concentration range of 10-20 mg / ml has the obvious inhibiting effect on salmonella, staphylococcus aureus, pseudomonas aeruginosa and other common intestinal pathogens. The sea-buckthorn seed polypeptide can be used as a feed additive.
Owner:神池县曦晟源生物科技有限公司
A ceramic-like antibacterial flame-retardant composition with inhibition of black spot generation
PendingCN122587351ANo antibacterial effectRapid dissolution
This invention discloses a white, high-gloss, antibacterial, and flame-retardant composition that inhibits the formation of black spots. It comprises 19.85-22.8 parts by weight of propylene homopolymer A, 30-40 parts by weight of propylene block copolymer B, 8-15 parts by weight of bromobisphenol S derivative flame retardant C, 5-10 parts of synergistic flame retardant D, 15-30 parts of coated zinc oxide E1, 15-30 parts of coated barium salt, and 0.15-1 part of additive F. It is particularly important to note that the additive does not contain organic phosphite antioxidants, inorganic hypophosphite additives, thioester additives, or carbonate additives. This composition achieves a UL94 1.6mm V0 flame retardant rating, while parts made from it have an excellent ceramic-like gloss (60° gloss ≥80%). Surprisingly, without the addition of additional antibacterial agents, the composition itself has an antibacterial efficiency of over 90% against Escherichia coli and imported Staphylococcus aureus. With the addition of additional antibacterial agents, the antibacterial effect against both of these bacteria exceeds 99%. In addition, the number of black spots generated during the preparation process is significantly reduced.
Owner:固合工程材料(江苏)有限公司
An antibacterial silk dyed fabric and its dyeing process
ActiveCN107761405BNo antibacterial effectHas antibacterial effectDyeing processLiquid/gas/vapor textile treatmentTextile printerColour fastness
The invention belongs to the technical field of textile printing and dyeing, and in particular to fabric dyed by plant dye, and a process. An antibacterial and finishing two-step process after dyeingis avoided, and the antibacterial fabric with color can be obtained by a dyeing process. The fabric dyed by the method provided by the invention takes on a red-color series, has high color fastness and has a certain antibacterial effect on staphylococcus aureus.
Owner:CHANGZHOU UNIV
Veterinary yeast glucan injection
InactiveCN102028704BNo antibacterial effectAntibacterial effect hasAntibacterial agentsOrganic active ingredientsYeastSulfation
The invention discloses veterinary yeast glucan injection, and aims to provide an animal immunopotentiator, which is prepared from yeast glucan through chemical modification and is a purely natural green veterinary medicine product. Each 100ml of injection contains 2 to 24g of sulfated or carboxymethyl water-soluble yeast glucan and the balance of water for injection. The injection can nonspecifically enhance the immunity of animals such as rabbits, pigs, sheep, cows and the like and improve the anti-infection capability of the animals. The preparation prepared by the invention is injection and has the advantages of no toxic or side effects, no residues and the like, is convenient to use and meets the current development requirements of green products.
Owner:天津市农业科学院
Formaldehyde microbial purifier for building ventilation engineering
PendingCN114196579ANo antibacterial effectDoes not affect activityMechanical apparatusBacteriaGlass ballInulin
The invention relates to a formaldehyde microbial purifier for building ventilation engineering, and belongs to the technical field of environmental protection, a method comprises the following steps: screening a strain capable of efficiently degrading formaldehyde, embedding the formaldehyde degrading strain with gelatin, algin and inulin, adding a nutrient solution for use, paving a plurality of layers of glass balls in an inner cavity of the purifier, the formaldehyde microbial purifying agent is placed in gaps among the plurality of layers of glass balls. The purifier provided by the invention can be used as an effective formaldehyde scavenger, and has an obvious formaldehyde degradation effect and a long maintenance time.
Owner:张峰
A kind of recombinant bacteria expressing plectasin and its application
ActiveCN104480059BHigh expressionPromote secretionAntibacterial agentsBacteriaStreptococcus pyogenesSide effect
Owner:GUANGDONG HINAPHARM PHARMA CO LTD
A slow-release antibacterial molecular cluster resin and its preparation method and application
ActiveCN110551290BAvoid reunionStrong controllable sustained releaseBiocideFungicidesMicrosphereALLYL SUCROSE
The invention belongs to the field of antibacterial materials, and discloses a slow-release antibacterial molecular cluster resin, a preparation method and application thereof. Add aminopolystyrene microspheres and polyacrylic acid to ethanol solution, stir and reflux reaction under inert atmosphere, the product is washed and dried to obtain PS-PAA molecular cluster resin; then mixed with silver nitrate solution, adding reducing agent to react, the The silver that has been grafted on the PS-PAA molecular cluster resin is reduced to obtain nano-silver, and a slow-release antibacterial molecular cluster resin is obtained. According to the invention, the dendritic active group in the molecular cluster resin is closely combined with the nanometer silver, and the obtained product has excellent antibacterial properties and slow-release properties, and can be used for antibacterial in drinking water.
Owner:SOUTH CHINA UNIV OF TECH +1
Preservation solution for animal tissue and cells at low temperature and its application method
ActiveCN108902128BMaintain biological activityAntioxidantDead animal preservationPolyphenolDrug biological activity
A kind of preservation solution of animal tissue and cell under low temperature of the present invention and using method thereof, use one or more of water, polyalcohol, Collin's solution, UW solution, HTK solution, Euro-collin's solution As a basic solution, polyphenols, citric acid, poloxamer and vitamin E are added, and the wavelength is in the range of 20KHz‑1MHz and the sound intensity is not greater than 3W / cm 2 Ultrasonic irradiation treatment can improve the viability and biological activity of animal tissues and cells in a low temperature environment by adjusting the ratio of different components in the preservation solution, and controlling the wavelength, sound intensity and irradiation time of ultrasonic waves.
Owner:WENZHOU MEDICAL UNIV
A kind of Pseudomonas bacterial strain and its application
ActiveCN105349463BThere is no ecological security riskCompliance with Biosafety RegulationsBiocideBacteriaBacteroidesSludge
The invention discloses a pseudomonas strain and application thereof. The strain is pseudomonas protegens IAS03, and is preserved in the China center for type culture collection on November 27th, 2015, and the preservation number is CCTCC NO:M 2015711. The strain is screened from pond bottom sludge and then a backwater body is used, so that ecological safety risks do not exist, and biological safety regulations are conformed. The strain has the specific antimicrobial function on aeromonas hydrophila and aeromonas sobria, has no inhibition effect on other bacteria and has no pathogenicity on fishes. Only one strain can be used for inhibiting aeromonas hydrophila and / or aeromonas sobria. Compared with traditional antibiotic and sterilizing agent prevention measures, the strain has the advantages of being safe, environmentally friendly and efficient. The strain can be developed into a microecological preparation to control aeromonas sobria and aeromonas hydrophila in the breeding environment and prevent hemorrhagic septicemia caused when the fishes are infected with aeromonas sobria and aeromonas hydrophila.
Owner:JINAN UNIVERSITY