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47results about How to "Enhanced adhesion probability" patented technology
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Device and method for atomizing turbulent agglomerated granules
InactiveCN106492581AEfficient collisionImprove controllabilityGas treatmentAuxillary pretreatmentParticulatesAxis of symmetry
The invention discloses a device and method for atomizing turbulent agglomerated granules. The device is simple in structure, good in agglomeration effect and good in universality. The device comprises a shell, wherein a fume channel is formed inside the shell; a fume heat exchanger, guide blades, a double-fluid ejection atomization section and a turbulent agglomeration section are sequentially arranged inside the shell in a fume flowing direction; the fume heat exchanger is used for reducing the temperature of dust-containing fume to T, wherein T is not higher than condensation temperature of steam in the dust-containing fume; the guide blades are used for adjusting the flowing direction so that the flowing direction of granules in the dust-containing fume trends to be accordant with that of the fume; the double-fluid ejection atomization section comprises a gas supply pipeline, a water supply pipeline and double-fluid nozzles; the ejection directions of the double-fluid nozzles for connecting the gas supply pipeline and the water supply pipeline are parallel to the flowing direction of the fume; the turbulent agglomeration section comprises a plurality of turbulent elements which are arranged in sequence or in a staggered manner, and two ends of each turbulent element are fixed on the inner wall of the shell; and the turbulent elements comprise boundary plates which are symmetrically arranged by taking the fume direction as an axis of symmetry, and the front ends of the boundary plates are fixedly connected.
Owner:XI AN JIAOTONG UNIV
Method for improving de-cellular system engineering valve/blood vessel stent
The invention discloses a method for linking a RGD improved acellular tissue engineering valve / intravascular stent with epoxy chloropropane. The method, by using epoxy groups of the epoxy chloropropane, cross links and fixes the functional domain RGD (YGRGDSP) polypeptide of cell adhesion and recognition receptors on an acellular tissue engineering valve / intravascular stent material; meanwhile, the chemical crosslinking function of the epoxy chloropropane can fully cross link the collagen protein which is the main component of the acellular stent material so as to achieve the purposes of anti-calcification and reducing the zymolysis speed inside the stent material, and finally proving the improved acellular tissue engineering valve / intravascular stent with better biological and mechanical properties, higher adhesion rate toward seed cell, and better property of delaying enzyme digestion and anti-calcification, therefore, the acellular tissue engineering valve / intravascular stent can actually meet the requirements of tissue engineering valves.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
Fixation fluid for saving cast-off cells and manufacturing method of cell shallow layer smear
InactiveCN101182506AEasy to separateEvenly distributedImmobilised enzymesTissue cultureMethanolEthanol
The invention discloses a preservation solution for exfoliated cell and a preparation method which uses the preservation solution to process cell thin layer smear. The preservation solution for exfoliated cell comprises the components which are prepared by the volume proportion of 10 to 15 portions of methanol, 10 to 15 portions of alcohol, 1 to 2 portions of glycerin, 1 to 2 portions of glycol polyethylene, 10 to 12 portions of formaldehyde, 0.5 to 1 portions of glacial acetic acid, 10 to 20 portions of sodium chloride with 0.85 percent to 0.9 percent of mass concentration and 33 percent to 68.5 percent of phosphate buffer. The steps of the preparation method for cell thin layer smear are that: 1) the collected sample is put in the preservation solution for exfoliated cell for shaking; the sample is transferred to a centrifuge for centrifugal treatment after standing; 2) the supernatant is removed until 1ml to 2ml residue is left in the centrifuge tube; the cell suspension is obtained after uniform vibration; 3) 0.5ml to 1ml cell suspension is put into a smear preparation cup which is made into cell thin layer smear by a cell smear preparation machine.
Owner:曾思恩 +1
Dry-type gunning material for steel refining furnace
The invention relates to the field of fireproof materials for steel metallurgy, and in particular relates to a dry-type gunning material for a steel refining furnace. The dry-type gunning material comprises the following components in percentage by weight: 70 to 80 percent of magnesite, 5 to 20 percent of magnesium olive sand, 5 to 20 percent of magnesium-aluminum spinelle, 3 to 10 percent of mullite and 3 to 10 percent of adhesive, wherein the adhesive is a combination of one or any two or any three of industrial sodium tripolyphosphate, sodium hexametaphosphate and sodium metasilicate. The dry-type gunning material has the outstanding advantages of high adhesiveness, high adhesive rate, high sintering rate, high intensity, high steel erosion resistance and high slag iron erosion, and the service life of a gunned layer is prolonged; and furthermore, the raw materials are readily available and low in cost, so that the gunning efficiency can be effectively improved, and the steel refining cost is reduced.
Owner:JIANGSU UNIV
Microsphere and application thereof in hemostasis of wound
ActiveCN104548189AIncrease the degree of cross-linkingHigh absorbencyAbsorbent padsBandagesMedicineMicrosphere
The invention relates to a microsphere. The microsphere takes sodium alginate, carboxymethyl chitosan and collagen as main components, and content of the collage is more than 0.5w / w%. Imbitition multiple of the microsphere can be more than 50, and the microsphere can serve as dressing for hemostasis of a wound.
Owner:ZHEJIANG SANCHUANG BIOTECHNOLOGY CO LTD
Cell-biomaterial composite support frame, and preparation method and application thereof
ActiveCN106563162APrecise control over distributionEnhanced adhesion probabilityAdditive manufacturing apparatusAdditive manufacturing with liquidsEngineeringCell survival rate
The invention provides a cell-biomaterial composite support frame. The composite support frame comprises a support frame base body and viscous cell suspension capable of slowly releasing cells, wherein the composite support frame forms the AC<n>B distribution formation from bottom to top, wherein the A is a support frame base body layer; the B is a viscous cell suspension layer; the C is a mixing layer formed by the viscous cell suspension through crossed distribution in support frame base body gaps; the n is a positive integer from 3 to 20; the viscous cell suspension comprises cells, cell carrying carriers and water; and the carriers are biocompatible viscous materials. The distribution density of the ells on the composite support frame is controllable; the adherence rate and the cell survival rate are high; and the problems of weak tissue regeneration promoting capability, weak proliferation and differentiation and slow growth of the cells on a three-dimensional composite support frame can be solved. The invention also provides a preparation method and application of the composite support frame.
Owner:SHENZHEN INST OF ADVANCED TECH
Gelatin-chitosan-hyaluronic acid-heparan sulfate composite three-dimensional stent and preparation method thereof
InactiveCN101920045AEvenly distributedProliferation and growth are in good conditionProsthesisFreeze-dryingIn vivo
The invention relates to a gelatin-chitosan-hyaluronic acid-heparan sulfate composite three-dimensional stent and a preparation method thereof. The gelatin-chitosan-hyaluronic acid-heparan sulfate porous three-dimensional composite stent is prepared by mixing gelatin, chitosan, hyaluronic acid and heparan sulfate in different ratios to obtain mixtures at different concentrations and freeze-dryingthe mixtures. The pore diameter, porosity, degradation, water absorption and the like of the stent can be regulated and controlled through each component content and freeze drying condition and can meet the basic requirement of a stent material. The stent can be used for the study of the growth, propagation and differentiation of NS / PCs. Through the hyaluronic acid, cells are distributed in the stent uniformly, and the heparan sulfate can bond growth factors, so that the growth propagation condition of the cells is similar to in-vivo condition; and the composite stent contains more functionalgroups such as amino groups, carboxyl groups, hydroxyl groups, sulfo groups, amide groups and the like, and is suitable for the conglutination, growth, propagation and the like of the cells.
Owner:DALIAN UNIV OF TECH
RGD polypeptide modified chitosan/hydroxyapatite composite stent and preparation method thereof
InactiveCN109758606AMeet the clinical applicationImprove adhesionProsthesisRGD peptideNano hydroxyapatite
The invention belongs to the technical field of composite stents, and discloses an RGD polypeptide modified chitosan / hydroxyapatite composite stent and a preparation method thereof. The method includes preparing a chitosan / nano hydroxyphosphorus composite porous material with double pores by using the in situ hybridization method; modifying RGD peptide on the surface of the material pores; conducting complex culture on the stent and MSCs and evaluating the short-term adherence rate of the stent on the MSCs cells and the effect on the adhesion microscopic morphology of the cells and the stent;manufacturing an artificial bone biological material. The chitosan / nano-hydroxyapatite composite porous material with the double pores is prepared by the in-situ hybridization method, and the RGD polypeptide is modified on the surface of the material pores by an electrostatic self-assembly method to obtain a three-dimensional porous stent. The composite culture of the stent and the MSCs cells is utilized to evaluate the short-term adhesion rate of the MSCs cells and the effect on the microscopic morphology of the cells and the stent to manufacture the artificial bone biological material to meet the clinical application.
Owner:曲志伟
Optical antireflection film and preparation method thereof, and optical assembly
The invention provides an optical antireflection film and a preparation method thereof, and an optical assembly. With application of the preparation method of the optical antireflection film provided by one aspect of the invention, compounds indicated by the structural formula of (R1O)3Si-R2 and the structural formula of (R3O)3-Si-Cm-Si-(R4O)3 act as comonomers so that the antireflection film comprising copolymer with repeating units of (img file='DDA00003007694400011.TIF' wi='386' he='136' / ) is acquired. Therefore, refractive index of the antireflection film is reduced, light transmittance is enhanced, hardness of the antireflection film and adhesiveness of the antireflection film and base material are enhanced, and optical performance of photoelectric and optical elements is greatly enhanced.
Owner:SAINT-GOBAIN GLASS FRANCE
Method for preparing bacterial cellulose three-dimensional exhibition microporous bracket
The invention discloses a method for preparing a bacterial cellulose three-dimensional exhibition microporous bracket, and relates to the technical field of preparation and processing of bracket materials. The bacterial cellulose bracket is obtained by passivating, cutting and freeze-drying bacterial cellulose produced by fermentation of strains. By a computer tomography technology, a math model of a bacterial cellulose bracket three-dimensional structure is constructed; and the specific three-dimensional exhibition microporous bracket is designed by the math model. The math model for a required bacterial cellulose three-dimensional exhibition microporous structure is introduced into a carbon dioxide laser perforation machine and is processed under an environment of -5-10 DEG C; the processed bacterial cellulose bracket is cleaned by secondary distilled water; and then the bacterial cellulose three-dimensional exhibition microporous bracket is obtained by freeze-drying. According to the method, the technology is simple and convenient to operate; sizes of micropores and structures of three-dimensional exhibition holes of the bracket can be adjusted and controlled by methods, such as a method for controlling technical parameters; and the prepared three-dimensional exhibition microporous bracket can be applied to engineering field of construction of tissues, such as skins, bones, ribs and blood vessels.
Owner:钟春燕
PLGA cytoskeleton for articular cartilage repair and preparation method and application of PLGA cytoskeleton for articular cartilage repair
ActiveCN110124107AHigh hardnessImprove impact resistanceTissue regenerationProsthesisCartilage cellsSynthetic Polymeric Macromolecules
The invention discloses a PLGA cytoskeleton for articular cartilage repair and a preparation method and application of the PLGA cytoskeleton for articular cartilage repair. The PLGA cytoskeleton comprises a PLGA porous scaffold, cartilage cells, mesenchymal stem cells and adipose-derived stem cells, and the cartilage cells, the mesenchymal stem cells and the adipose-derived stem cells are plantedin the PLGA porous scaffold. The PLGA porous scaffold is a hierarchical composite scaffold formed by PLA (polylactic acid) and PGA (polyglycolic acid) polymerization products in different polymerization ratios and comprises three areas including an outside area, a middle area and an inside area. The cartilage cells are subjected to injection inoculation in pores of the outside area of the PLGA porous scaffold; the cartilage cells and the adipose-derived stem cells are subjected to injection inoculation in pores of the middle area; the cartilage cells and the mesenchymal stem cells are subjected to injection inoculation in pores of the inside area of the PLGA porous scaffold. By combination of a gradient-ratio artificially synthesized high polymer material and natural biological protein, ahierarchical composite structure is achieved. According to experiments, the PLGA cytoskeleton has a great repair effect on cartilage defect.
Owner:HARBIN MEDICAL UNIVERSITY
Composite scaffold for improving gaps and pores to promote cell adhesion rate and preparation method
InactiveCN107854732AIncreased chance of stickingGrow in quicklyPharmaceutical delivery mechanismTissue regenerationCell adhesionArginine
The invention belongs to the technical field of composite scaffolds and discloses a composite scaffold for improving gaps and pores to promote the cell adhesion rate and a preparation method. A channel pore and a spherical pore of the composite scaffold are 150mum-650mum and 3mum-15mum respectively; the preparation method comprises the following steps: obtaining a CS / HA (chitosan / hydroxyapatite) scaffold with pores and spherical pores by adopting an in situ hybridization technology and a freeze-drying method; connecting CS and RGD (arginine-glycin-aspartate) peptides with hydrogen bonds, and modifying the RGD (arginine-glycin-aspartate) peptides on the surface of a porous channel of the CS / HA scaffold with a static self-assembly method, so as to prepare a three-dimensional porous CS / HA scaffold with efficient adherent cells containing the RGD peptides. The scaffold has better cytocompatibility; through composition with RGD, the functions of attraction, induction and growth control of the three-dimensional porous CS / HA scaffold on cells are obviously enhanced; a physical absorption method and a chemical fixation method are combined in the preparation method, so that the material hasbetter adsorbability and stability.
Owner:曲志伟
System for preventing and controlling diseases and pests by black light lamp principle
InactiveCN111657246AAchieve rotationReduce the chance of escapeCleaning using toolsInsect catchers and killersStructural engineeringPest control
The invention discloses a system for preventing and controlling diseases and pests by a black light lamp principle. The system comprises a bottom plate and is characterized in that the bottom plate isfixedly connected with a set of cylindrical rods evenly distributed in the circumferential direction, each cylindrical rod is fixedly connected with a connecting rod, each connecting rod is fixedly connected with a hollow barrel, each hollow barrel is fixedly connected with a round plate I, each round plate I is provided with a group of round holes which are uniformly distributed in the circumferential direction, each round plate I is fixedly connected with round pipes corresponding to the round holes, each round pipe is provided with a box placing opening and an inlet, each round plate I isfixedly connected with a square rod, and each square rod is fixedly connected with a treatment mechanism. The invention relates to the field of disease and pest control equipment, in particular to thesystem for preventing and controlling the diseases and pests by the black light lamp principle. The diseases and pests can be conveniently prevented and controlled.
Owner:邢全姐
Combined slurry mixing equipment for fine coal difficult to float
ActiveCN105521727ARealize deep slurry modificationExcellent tempering performanceRotary stirring mixersTransportation and packagingImpellerEngineering
The invention relates to the field of pretreatment of coal slurry, in particular to combined slurry mixing equipment for fine coal difficult to float. The equipment comprises a mixing box and a main rotary shaft, wherein an electric field activation layer, an ultrasonic oscillation layer and a turbulent mixing and stirring layer are sequentially arranged in an inner cavity of the mixing box from top to bottom; at least one pair of driven rotary shafts is symmetric to the axis of the main rotary shaft; a driven gear is coaxially arranged at the shaft end of the top of each driven rotary shaft; stirring wheels are arranged at shaft ends of the driven rotary shafts, and a stirring impeller is arranged at the shaft end of the main rotary shaft. The equipment further comprises a pressurizing air-dissolving box, an air inlet pipe is arranged in a box body of the pressurizing air-dissolving box, and a feeding partition board is arranged at the inlet end of the box body and seals the inlet end through an extension spring; a discharge partition board is arranged at an outlet end of the box body and seals the outlet end through a compression spring. The equipment can perform a very good tempering function on floated coal slime and especially meets the slurry mixing and quality improving requirement of fine coal difficult to float, the work efficiency is high, and the pre-treatment process is quick and convenient.
Owner:ANHUI UNIV OF SCI & TECH
Superfine-pore hydrogel bracket and preparation method therefor
The invention relates to a superfine-pore hydrogel bracket and a preparation method therefor. Sodium alginate, calcium chloride, pure water and dimethyl sulfoxide (DMSO) serve as main materials, pores are rapidly formed in a low-temperature and vacuum manner, the process is simple in operation, the materials are easily obtained and are low in cost, and the pore forming method is different from those for preparation of previous numerous bracket materials. The obtained material has superfine pores, meets the requirements of Skin tissue engineering on bracket materials and is good in both strength and toughness.
Owner:南京吾岳道医疗科技发展有限公司
Method for improving stability and efficacy of chlorine dioxide aqueous solution in field environment
InactiveCN109744254AImprove stabilityImprove the efficacy of sterilization and disinfectionBiocideFungicidesChlorine dioxideDisinfectant
The invention belongs to the fields of disinfection, chemistry and chemical engineering and agricultural application, and particularly relates to a method for improving chlorine dioxide aqueous solution stability and efficacy thereof in a field environment. The invention aims to provide an auxiliary agent and a preparation method capable of reinforcing field stability of chlorine dioxide aqueous solution so as to improve efficacy thereof, and provide a safe and efficient disinfectant for preventing and treating agriculture and forestry crop diseases. The disinfectant is formed by three substances: the chlorine dioxide aqueous solution and auxiliary agent substances A and B, and a preparation method for compounding the three substances is provided. A weight ratio of the chlorine dioxide aqueous solution and the substance A is 100:0.01-0.1:100, and a weight ratio of the chlorine dioxide aqueous solution and the substance B is 100:0.01-0.1:100. It is indicated from an experiment that thechlorine dioxide aqueous solution has the good effect in the field environment.
Owner:长沙市岳麓区灵泉科技有限公司
Integrated slurry mixing equipment for difficult-to-float fine coal
ActiveCN105521738ARealize deep slurry modificationExcellent tempering performanceTransportation and packagingMixersDrive shaftHigh pressure
The invention relates to the field of coal slurry pretreatment, in particular to integrated slurry mixing equipment for difficult-to-float fine coal. The equipment comprises a mixing box, wherein a drive shaft is vertically arranged in an inner cavity of the mixing box, and an electric field activation layer, an ultrasonic wave shocking layer and a forced stirring layer are sequentially arranged in the inner cavity of the mixing box from top to bottom in the length direction of the drive shaft. The equipment further comprises a pressurized gas dissolving box, an air inlet pipe used for introducing high-pressure air is arranged in a box body of the pressurized gas dissolving box, and a feeding partition board used for realizing opening and closing of an inlet end is arranged at an inlet end, used for being communicated with a discharge port of the mixing box, of the box body and is fastened through an extension spring and butted against the inlet end to close the inlet end; an outlet end of the box body is connected with a floatation machine, and a discharging partition board used for realizing opening and closing of the position is arranged at the outlet end, is tensioned through a compression spring and closes the outlet end. The equipment has a good conditioning function on floated coal mud, particularly meets the slurry mixing and conditioning demands of the difficult-to-float fine coal, has high working efficiency and rapidly and conveniently performs pretreatment.
Owner:ANHUI UNIV OF SCI & TECH
Bacillus subtilis strain and application thereof in aquaculture
The invention relates to the technical field of functional microorganism screening and application, in particular to novel bacillus subtilis and application thereof in aquaculture. The bacillus subtilis is screened from intestinal tracts of litopenaeus vannamei, the preservation number is CCTCC NO: M 2020091, pathogenic bacteria can be significantly inhibited, the immunity and disease resistance of aquatic animals are improved, protease and amylase are produced to improve feed digestion and utilization, and the growth of the aquatic animals is promoted, and the bacillus subtilis can be widelyapplied to the field of aquatic feeds.
Owner:青岛玛斯特生物技术有限公司 +1
Low-order coal slurry flotation collecting agent compounded with acid aldehyde ether and preparing method and application of low-order coal slurry flotation collecting agent
ActiveCN109201341AEnhanced flotation mineralization processEffective coverageFlotationEtherEngineering
The invention provides a low-order coal slurry flotation collecting agent compounded with acid aldehyde ether and a preparing method and application of the low-order coal slurry flotation collecting agent. The collecting agent comprises following components including, by mass percent, 60%-85% of C10-C16 hydrocarbon oil, 5%-15% of C6-C8 acid, 5%-15% of C5-C9 aldehyde and 5%-15% of C4-C10 ether. According to the provided low-order coal slurry flotation collecting agent compounded with the acid aldehyde ether, the collecting agent has the characteristics that components are simple, the collectingagent can serve as the low-order coal slurry flotation collecting agent to finish economical and efficient sorting of conventional flotation, reagent consumption is low, the flotation cost is low, and the sorting efficiency is high.
Owner:CHINA SHENHUA ENERGY CO LTD +1
Blood sugar reducing traditional Chinese medicinal herb
InactiveCN103142675AQuality improvementEasy to carryMetabolism disorderPlant ingredientsBlood sugarSpleen
The invention discloses blood sugar reducing traditional Chinese medicinal herb which is mainly prepared from the following raw materials: Ligusticum wallichii, rhizoma atractylodis and papaya milk powder. In the formula, rhizoma atractylodis has the function of drying damp and strengthening spleen and tonifying qi and yin, Ligusticum wallichii has the function of invigorating the circulation of blood and promoting the circulation of qi as well as dispelling wind and relieving pain, and papaya milk powder has the function of pleiotropic immunomodulatory effect, enhancing the health of diabetics, accelerating metabolism and improving the glucose metabolism of the organism. Medicines are combined in use to achieve the effects of clearing heat, invigorating the circulation of blood, invigorating spleen and supplementing qi, enriching yin and nourishing kidney, inducing diuresis with bland drug and reducing the blood sugar. In addition, as Ligusticum wallichii and rhizoma atractylodis are traditional Chinese medicines which are in homology of medicine and food, and papaya milk powder is an extract of papaya, so that the traditional Chinese medicinal herb is very safe to take, free from any acute and subacute or chronic hazard to a human body and suitable for long-term use. The traditional Chinese medicinal herb provided by the invention is scientific and reasonable in formula, exact in blood reducing effect, safe and effective. The product is prepared as an oral solid preparation which is stable in quality and convenient to carry and take, and is suitable for long-term use by diabetics.
Owner:孙今雄
Multifunctional nanofiber-based composite hemostatic patch and preparation method thereof
ActiveCN112891062AGood antibacterialExtended replacement timePharmaceutical delivery mechanismElectro-spinningPolymer sciencePolyvinyl alcohol
The invention discloses a multifunctional nanofiber-based composite hemostatic patch which is composed of a supporting layer, a dressing layer and a protective layer, and the dressing layer is wrapped between the supporting layer and the protective layer. The dressing layer of the multifunctional hemostatic patch is composed of a nanofiber membrane prepared from polyvinyl alcohol, oxidized sodium alginate, chitosan, silk fibroin, dandelion villus powder, genipin and ovalbumin, and the multifunctional hemostatic patch has the effects of resisting bacteria, preventing adhesion and promoting wound healing; the multifunctional hemostatic patch is long in replacement period, and wound healing time can be effectively shortened.
Owner:HENAN YADU IND
Micro-ecological composite additive and application thereof in aquaculture
The invention relates to the technical field of functional microorganism screening and application, and particularly provides a micro-ecological composite additive containing bacillus subtilis DN02 and application of the micro-ecological composite additive in aquaculture. The bacillus subtilis DN02 is screened from intestinal tracts of litopenaeus vannamei, the preservation number is CCTCC NO: M2020091, pathogenic bacteria can be significantly inhibit, the immunity and disease resistance of aquatic animals are improved, protease and amylase are produced to improve feed digestion and utilization, the growth of the aquatic animals is prompted, and the bacillus subtilis DN02 can be widely applied to the field of aquatic feeds.
Owner:青岛玛斯特生物技术有限公司 +1
Low-rank coal slime flotation collector compounded with ester aldehyde ether and its preparation method and application
ActiveCN109201345BEnhanced flotation mineralization processImprove hydrophobicityFlotationEtherEngineering
Owner:CHINA SHENHUA ENERGY CO LTD +1
A low-rank coal slime flotation collector compounded with acid ketone ether and its preparation method
The invention provides a low-rank coal slime flotation collector compounded with acid ketone ether and a preparation method thereof. In terms of mass percentage, the collector includes: C 10 -C 16 Hydrocarbon oil 60‑85%; C 6 -C 8 Acid 5‑15%; C 5 -C 10 Ketone 5‑15%; C 4 -C 10 Ether 5‑15%. The collector provided by the invention has simple components, can be obtained by compounding a small amount of reagents, and can be used in conventional low-rank coal slime flotation technology, with small reagent consumption, low flotation cost, and high separation efficiency. Significant economic benefits.
Owner:CHINA SHENHUA ENERGY CO LTD +1
A method for inducing pc-12 cells to differentiate into neurons
ActiveCN107119016BImprove neuronal characteristicsHigh simulationNervous system cellsCell culture active agentsCell adhesionNeural biology
The invention discloses a method for inducing PC-12 cells to be differentiated into neurons. The method comprises the following steps: adding an induction medium and an NGF (nerve growth factor) into PC-12 cells, and performing induced differentiation to form neurons, wherein the induction medium is an opti-mem complete medium. According to the method disclosed by the invention, induction for inducing neurite length and form of cells to be similar to neurons can be obviously improved, the cell adhesion ability is excellent, induced cell proliferation is slow, and the PC-12 cell induction efficiency is greatly improved. The method disclosed by the invention can be widely applied to research models in neurobiology and neuropharmacology and can also be widely applied to neurobiological, neuropharmacological and toxicologic study.
Owner:JINAN UNIVERSITY
Method for preparing bacterial cellulose three-dimensional exhibition microporous bracket
ActiveCN103301505BHigh mechanical strengthImprove structural stabilityProsthesisFreeze-dryingFermentation
Owner:钟春燕
Compound ester-aldehyde-ether low-rank coal slime flotation collector and preparation method and application thereof
ActiveCN109201345AEnhanced flotation mineralization processImprove hydrophobicityFlotationEtherEngineering
The invention provides a compound ester-aldehyde-ether low-rank coal slime flotation collector and a preparation method and application thereof. The collector is simple in component, can serve as thelow-rank coal slime flotation collector to complete economical efficient sorting of conventional flotation, and has the advantages of being small in chemical consumption, low in flotation cost, high in sorting efficiency and the like. The compound ester-aldehyde-ether low-rank coal slime flotation collector comprises, by mass, 60-85% of C10-C16 hydrocarbon oil, 5-15% of C10-C18 ester, 5-15% of C5-C9 aldehyde and 5-15% of C4-C10 ether.
Owner:CHINA SHENHUA ENERGY CO LTD +1
Sesame rolling machine for producing polygonum candies
InactiveCN104304606AGood technical effectImprove work efficiencyConfectionerySweetmeatsPulp and paper industryReducer
The invention relates to the field of food processing machinery, and discloses a sesame rolling machine for producing polygonum candies. The sesame rolling machine is characterized by comprising a support frame, a speed reducer on the support frame, a first bearing and a second bearing arranged on the support frame, and a metal shaft inserted and mounted on the first bearing and the second bearing, wherein an input end of the metal shaft is transmitted and connected to an output end of the speed reducer; the support frame horizontally extends out of an output end of the metal shaft; and a sesame roll is connected at the output end. Through the sesame rolling machine disclosed by the invention, workforce is liberated, and work efficiency and product quality are improved.
Owner:陕西三原古池阳食品有限公司
An integrated refractory fine coal slurry mixing equipment
ActiveCN105521738BRealize deep slurry modificationExcellent tempering performanceTransportation and packagingMixersBiochemical engineeringDrive shaft
The invention relates to the field of coal slurry pretreatment, in particular to an integrated refractory fine coal slurry adjustment equipment. The equipment includes a mixing box; the drive shaft is arranged vertically in the inner cavity of the mixing box, and the electric field activation layer, ultrasonic vibration layer and forced stirring layer are arranged in the inner cavity of the mixing box from top to bottom along the length direction of the drive shaft; The air box and the pressurized dissolved air box are arranged with an air inlet pipe for feeding high-pressure air, and the inlet end of the box body used to communicate with the outlet of the mixing box is arranged with a feed compartment for realizing the opening and closing of the inlet end. The feed partition is fastened with a tension spring and leans against the inlet end to close the inlet end; the outlet end of the box is connected to the flotation machine, and the outlet end is arranged to realize the opening and closing of the outlet. Partition, the discharge partition is tensioned by a compression spring and closes the outlet end. The invention can play a very good conditioning effect on the floating coal slime, and is especially suitable for the pulping and upgrading requirements of the difficult-to-float fine-grained coal, and has high working efficiency and quick and convenient pretreatment process.
Owner:ANHUI UNIV OF SCI & TECH
A kind of micro-ecological composite additive and its application in aquaculture
The invention relates to the technical field of functional microorganism screening and application, and specifically provides a microecological composite additive containing Bacillus subtilis DN02 and its application in aquaculture. The Bacillus subtilis DN02 is screened from the intestinal tract of Litopenaeus vannamei, and the preservation number is CCTCC NO: M2020091, which can significantly inhibit pathogenic bacteria, improve the immunity and disease resistance of aquatic animals, produce protease and amylase to improve feed digestion and utilization, and promote The growth of aquatic animals can be widely used in the field of aquatic feed.
Owner:青岛玛斯特生物技术有限公司 +1
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