309 results about "Dextrose solution" patented technology

The present invention provides a method for the production of glycolaldehyde with high specificity. The hydrous thermolysis consists of the spraying of aqueous sugar solutions containing from 25 to 80% of water but preferably 30 to 60% water, as a fine mist into a reactor held at the between 500 and 600° C., but preferably between 520 and 560° C. and the condensation of the resulting vaporous product in a surface condenser with optional heat recovery. The residence time of the vaporous product in the reactor should be in the range 0.1–5 seconds, but preferably in the range 0.5 to 2 seconds. Aldose monomeric sugars, preferably glucose (also known as dextrose), are preferred for use in the aqueous solution. The yield of glycolaldehyde in the condensed liquid is minimum 50% by weight of the sugar fed for glucose solutions.

The invention discloses an oxaliplatin liposome glucose preparation and the preparation method and application, relating to an oxaliplatin liposome glucose solution preparation used for tumor resistance and the preparation method and application. An oxaliplatin liposome glucose preparation is formed by liposome which prepared by oxaliplatin, hydrogenated phosphorus, cholesterol and DSPE-PEG2000, and is dissolved in glucose solution; wherein the weight ratio of the hydrogenated phosophorus and the oxaliplatin is 1:1-50; the weight ratio of the hydrogenated phosophorus, cholesterol and the DSPE-PEG2000. The preparation method is that the hydrogenated phosophorus, cholesterol and the DSPE-PEG2000 are weighed according to proportioning by weight in a description and then fixed together; tertiary butyl alcohol is added into the fixture for the fixture to be stirred and dissolved, then the fixture is precooled; the oxaliplatin saturated water solution with 4-10 percent of glucose after cooling and drying is stirred, dissolved and emulsified by an emulsion balancing machine and then prepared into liposome solution by a homogenizer and a nanometer extruder, separated and refined through a filter column to prepare the oxaliplatin liposome glucose solution.

The invention discloses a ratio fluorescence sensor and a visualized detection method for glucose. The ratio fluorescence sensor is prepared by printing uniformly distributed ratio fluorescence probes on a paper medium in an ink-jet printing manner with dual-emitting ratio fluorescence probes as ink. The visualized detection method for glucose in virtue of the ratio fluorescence sensor comprises the following steps: adding glucose oxidase into a glucose solution, carrying out a reaction at 37 DEG C for 40 min, then adding an excess ferrous solution and dripping the solution onto a paper sensor so as to realize visualized detection of glucose. The dual-emitting fluorescent chemical sensor used for visualized detection of glucose is designed and developed by using carbon points and quantum dots capable of emitting light under excitation of a light source with a single wavelength; and the sensor has the characteristics of high selectivity, high sensitivity, visual detection results and capacity of realizing quantitative detection.

A blood vessel embolization method includes inserting a balloon catheter into a blood vessel of a human or an animal having a lesion site and disposing a balloon of the balloon catheter at a portion located at a proximal side of the blood vessel and in a neighborhood of the lesion site thereof; shutting off a blood flow in the blood vessel by expanding the balloon; discharging a glucose solution from a distal end of the balloon catheter in a state in which the blood flow in the blood vessel is shut off; discharging a cyanoacrylate-based embolization substance-containing liquid from the distal end of the balloon catheter after the glucose solution injection step; hardening an embolization substance by maintaining a blood flow shut-off state of the blood vessel after the embolization substance injection step; and removing the balloon catheter from the blood vessel after the embolization substance-hardening step.

The invention discloses a method for preparing two-dimensional silver nanosheets of different shapes. Firstly, a silver mirror reaction is adopted, glucose serves as a reducing agent, a quantitative silver-ammonia solution and the quantitative glucose solution are sequentially added into a beaker to be mixed, then cetyl trimethyl ammonium bromide serves as a surface active agent, the cetyl trimethyl ammonium bromide solution is added into the mixed solution, then high-temperature reaction is carried out on the mixed solution, and a solution of the two-dimensional silver nanosheets of the different shapes is prepared by adjusting the concentration ratio of the cetyl trimethyl ammonium bromide solution and the silver-ammonia solution. The method has the advantages that operation is easy, cost is low, equipment is simple, and the prepared silver nanosheets are uniform in grain size, good in water solubility and free of obvious gathering.

The invention discloses a culture method for high-efficiency human follicle stimulating hormone expression CHO cells and belongs to the technical field of bio-pharmaceuticals. According to the culture method, seed cells are prepared into cell suspension, and subculture is performed after resuspension through a serum-free basal culture medium to obtain seed suspension; the obtained seed suspension is inoculated into a bioreactor to be cultured, the serum-free basal culture medium is fed at regular intervals in the culture process, growth situations of the cells are monitored, glucose solution is supplemented, and the cells are harvested after culture. According to the method, the serum-free basal culture medium is used throughout the process, culture in a fermentation tank is performed after reviving and amplification through bottle shaking, the process flow is simple, the cell culture density is high and can be as high as 4*107 / mL , the cell survival rate reaches more than 98%, maintaining time under high density and a high survival rate is long, the yield of end products can reach 40mg / L, and the method is applicable to industrial production.

The invention discloses an alprostadil lyophilized microemulsion, and a preparation method and application thereof. The alprostadil lyophilized microemulsion includes: by weight percentage, 0.001% -0.1% of alprostadil, 1.0% -10.0% of grease, 1.0% -20.0% of an emulsifier, 1.0%-20.0% of co-emulsifier, 0.3% -1.6% of a stabilizer, 50.0% -90.0% of a cryoprotectant, and 0.0005 %-0.50 % of a pH conditioning agent. The aforementioned components are prepared into a microemulsion with particle size of 10 nm-50 nm. The microemulsion is filtrated and sterilized, then lyophilized, and ultimately prepared into an injection-used alprostadil lyophilized product with high stability, small re-dissolution particle size (average particle size within 50-100 nm) and good safety. The lyophilized microemulsion is characterized in that: microemulsion drops have a small particle size; the microemulsion can successfully realize filtration and sterilization before lyophilization; the impurity content is low; the side effects are less; the lyophilized product has physical stability and good security and has no hemolysis, irritation, allergy and other toxic irritant reactions; and the storage and transportation is convenient. Before use, adding an appropriate amount of water for injection, glucose solution or physiological saline as need, the lyophilized microemulsion is hydrated, oscillated, diluted, and redissolved into the microemulsion for use of intravenous injection.

The invention discloses a surface plasma resonance probe with a silver-gold core-satellite structure and a preparation method thereof. The preparation method comprises the steps of: firstly, sequentially and quickly adding a glucose solution and a hexadecyl trimethyl ammonium bromide solution into a quantitative silver ammonia solution for reacting to prepare a nano silver cube solution; and then, standing a clean glass substrate in the nano silver cube solution to prepare a nano silver cube glass substrate; fixing single stranded DNA molecules on the prepared nano silver cube glass substrate; hybridizing the single stranded DNA with a miRNA molecule; and finally, preparing gold nanoparticles and decorating the gold nanoparticles at one end of the miRNA molecule to prepare the surface plasma resonance probe with a silver-gold core-satellite structure and capable of being applied in early detection of lung cancer. The particle diameter of the prepared surface plasma resonance probe is 50-70nm, the scattered spectrum peak is located at 450-650nm and the detection sensitivity is as high as 10nM.

The invention discloses a preparation method of carbon spheres, which comprises the following steps: s1. preparing a solution with the pH value of 3-10 from acid and alkali; s2. adding glucose into the solution obtained in the step s1 to prepare a 1-10g / 100ml glucose solution; s3. putting the glucose solution obtained in the step s2 into a hydrothermal kettle, keeping the temperature at 160-200 DEG C for 2-20 hours, and cooling to room temperature; and s4. washing and drying the product obtained in the step s3 to obtain the target product. The method implements mass preparation and particle size control of carbon spheres with particle size of less than 100nm, does not have the participation of any organic solvent and toxic chemical reagent in the reaction process, can effectively avoid the problems of structure defects and environmental pollution caused by impurity introduction, and can be widely used for biochemical and biological diagnosis due to the nontoxic characteristic of the carbon spheres. The whole preparation process is simple to operate, has the advantages of high controllability, favorable repetitiveness and environment friendliness, and is suitable for large-scale production.

The invention discloses a preparation method and applications of a carbon dot / graphite like phase carbon nitride composite photocatalyst. The preparation method comprises following steps: 1, carbon dots are prepared, wherein a glucose solution and an alkaline solution are subjected to mixing ultrasonic treatment so as to obtain a mixed solution, the pH value of the mixed solution is adjusted withhydrochloric acid to 6 to 8, absolute ethyl alcohol is added wit stirring, magnesium sulfate is added, stirring is carried out, an obtained mixture is allowed to stand, and is filtered so as to obtaina settled solution, the settled solution is heated to 50 to 100 DEG C until the color of the settled solution is changed and a solid substance is generated, the solid substance is filtered, and is grinded into powder so as to obtain carbon dots; 2, the carbon dots are mixed with melamine at a mass ratio of (0.01-5) : (1-100), and an obtained product is delivered into a muffle furnace for calcining at 200 to 700 DEG C so as to obtain the CDs / g-C3N4 composite photocatalyst. Carbon dots possess excellent up conversion properties, so that the CDs / g-C3N4 composite photocatalyst is capable of conversing absorbed light with long wave length into light with short wave length, increasing visible light utilization rate, and increasing photocatalytic activity.

The invention relates to an electrochemical detection method for measuring the concentration of trivalent arsenic in a water system without electricity enrichment, which comprises utilizing a three-electrode system which is formed by a gold electrode, a reference electrode and a counter electrode to oxygenize the surface of the gold electrode to be gold trioxide in a detection pool, immersing gold trioxide into beta-D-glucose solution, deacidizing gold trioxide to be a nano-gold film, immersing gold electrode into 0.1M phosphate buffer solution (the concentration detecting range is 10.0nM-5.0muM) which is contained with trivalent arsenic under test, adsorbing trivalent arsenic through the nano-gold film, leading arsenic to be enriched on the surface of the nano-gold film, inserting the gold electrode and the reference electrode which are enriched with arsenic into the electrochemical detection tank, starting an electrochemical working station to scan, leading arsenic which is enrichedin the process of scanning to do redox reaction on the surface of the gold electrode, getting the oxidation peak current value which has corresponding relationship with trivalent arsenic, thereby measuring the concentration of arsenic solution, achieving the detection of trivalent arsenic in high sensitivity, and solving the problem of applying high-concentration acid medium.

Disclosed are a liquid product of botulinum toxin type A and a method for conserving the potency of botulinum toxin type A using a dextrose solution. Free of a stabilizer, such as albumin or gelatin, the liquid product of botulinum toxin type A completely excludes the possibility of cross infections such as AIDS and bovine spongiform encephalopathy. In addition, botulinum toxin type A is preserved as a liquid product in combination with a dextrose solution and can be clinically used as is, without the aid of physiological saline. Therefore, the liquid product enjoys the advantage of being convenient for use and avoiding a decrease in the potency as occurs upon dilution with physiological saline. Serving as a natural preserving and stabilizing agent, the dextrose solution allows botulinum toxin type A to be stored and distributed in the form of liquid phase over a long period of time and conserves the potency of the toxin at a constant level, which in turn guarantees constant clinical results.

The invention provides a preparation method for a high-flux solvent-resistant nanometer mixed nanofiltration membrane based on natural materials, belonging the field of preparation methods for membranes. The preparation method comprises the following steps: 1, preparing a water-free polyimide ultrafiltration base membrane; 2, preparing an alkanolamine solution of hexylenediamine and putting the membrane prepared in the previous step into the prepared alkanolamine solution of hexylenediamine for cross-linking modification; 3, preparing a buffer solution, adding dopamine, and soaking cross-linked polyimide in a buffer solution of dopamine; 4, synthesizing a metal-organic framework (Zr-MOF); 5, preparing an acyl chloride solution; and 6, preparing a glucose solution, soaking the dopamine-modified polyimide membrane in the solution of glucose and Zr-MOF so as to obtain the nanometer mixed nanofiltration membrane based on natural materials. The nanometer mixed nanofiltration membrane prepared in the invention has the advantages of great organic-solvent permeation flux, high dye retention rate, etc. The preparation method is applied to the field of preparation of nanofiltration membranes.

The invention provides a preparation method for pressure-assisted size-controllable hydrothermal carbon spheres and the prepared hydrothermal carbon spheres. The method comprises the following steps of S1, preparing a glucose solution; S2, putting the glucose solution prepared in the step S1 into a high-pressure kettle, sealing the high-pressure kettle, and introducing gas into the high-pressure kettle through a gas inlet on the high-pressure kettle for pressurization to reach 0.6-3.1 MPa; S3, heating the high-pressure kettle in the step S2 for hydrothermal reaction; and S4, washing and dryinga product obtained in the step S3 so as to obtain the hydrothermal carbon spheres. According to the preparation method and the prepared hydrothermal carbon spheres, by changing the pressure, the hydrothermal carbon spheres with adjustable size within the range of 60 nanometers-2 microns, good dispersity and uniform size can be efficiently prepared, and therefore, the stability of the performanceof the carbon spheres can be improved.

The invention discloses a high-density fermentation medium formula of sparassis crispa and a pharmaceutical grade glucan preparation method of the high-density fermentation medium formula. The high-density fermentation medium formula comprises the following raw materials by weight percentage: 1-10% of soluble starch, 0.1-5% of peptone, 0.1-0.5% of KH2PO4, 0.1-0.5% of MgSO4.7H2O, and the balance of glucose solution at a mass concentration percentage of 20-50%, wherein the total weight percentage is 100%. A high biomass sparassis crispa mycelium is obtained by seed liquid preparation and fermentation culture. The pharmaceutical grade glucan preparation method comprises the steps of centrifuging and concentrating a sparassis crispa sporophore with a disc centrifuge, performing homogenization with a high-pressure homogenizer, and performing alkaline extraction, alcohol precipitation, sedimentation and drying to prepare pharmaceutical grade glucan. A glucan content in the mycelium detected by the method is 90%. Compared with the prior art, the formula and the method have the obvious advantages of short production cycle, low cost, simple technology, high product yield, high quality and the like.

An apparatus for ultrafiltration of a patient being overhydrated due to congestive heart failure, comprising a tube set including a connector for connection to a patient line for access to the peritoneal cavity of the patient. A flow pump is arranged for addition and removal outflow and inflow (recirculation) of fluid from / to the peritoneal cavity. An osmotic agent peristaltic pump is arranged for replenishment of glucose solution to the fluid added to the peritoneal cavity for promoting ultrafiltration. The glucose is replenished intermittently for keeping a concentration of glucose substantially constant in the peritoneal cavity. The flow pump comprises a pressure chamber with rigid walls and a flexible pump bag arranged therein. An air pump pressurizes the chamber for outflow of fluid from the peritoneal cavity by a sub pressure and inflow of fluid to the peritoneal cavity by an overpressure, which pressures are maintained within safe limits.

The invention relates to a preparation method of a solid amino carbon dioxide capture material. The method comprises the following steps: carrying out hydrothermal reaction on a glucose solution to prepare carbon spheres, dissolving the carbon spheres, cetyl trimethylammonium bromide and tetraethyl orthosilicate in a methanol-ethanol mixed solution, adding stronger ammonia water to react, filtering, roasting to prepare silicon oxide hollow spheres, adding the silicon oxide hollow spheres into an organic amine-ethanol mixed solution or a surfactant-organic amine-ethanol mixed solution, and drying to obtain the silicon-oxide-hollow-sphere-carried amine-type adsorbent. The method has the advantages of accessible raw materials, low price, mild preparation conditions, simple steps and high efficiency, and can implement large-scale production.

The invention belongs to the field of a biomedical material, which is mainly applied to the preparation of a compound dosage form both of bone morphogenetic protein 2 active peptide and hydroxyapatite, wherein a sequence of the bone morphogenetic protein 2 active peptide is represented by SEQ ID NO: 1-10. A preparation method provided by the invention comprises the following steps: dissolving the bone morphogenetic protein 2 active peptide into normal saline or 5% of glucose solution, and then adding a hydroxyapatite support, combining the bone morphogenetic protein 2 active peptide on the surfaces of the hydroxyapatite particles to obtain the necessary compound dosage form both of the bone morphogenetic protein and hydroxyapatite after centrifugal separation, washing and drying, so as to obtain a human hard tissue repair material provided by the invention.

The invention discloses a preparation method of amino acid and glucose injection packaged by a dual-chambered bag. The method comprises the steps of using glucose and injection water to prepare a solution; using amino acid and injection water to prepare a solution and charging nitrogen into the solution; feeding the glucose solution and the amino acid solution to two chambers of the dual-chambered bag simultaneously; vacuumizing and then filling nitrogen; loading the filled dual-chambered bag into an outer bag with high barrier; vacuumizing, filling nitrogen for several minutes, and packaging; and putting the packaged dual-chambered bag to a sterilizing device to sterilize at 115-125 DEG C. The amino acid and glucose injection provided by the invention is packaged by the dual-chambered bag. Because the amino acid solution and the glucose solution are fed in two chambers separated by cold solder joint, Maillard reaction or other side effects between amino acid and glucose due to long-term contact during the sterilization and storage are prevented, and then the usage safety and efficiency of the product can be ensured.

An etomidate fat emulsion concentrated solution, a preparation method and an application thereof belong to the field of pharmacology and pharmaceutics. According to the invention, the defect that a traditional fat emulsion preparation technology is complex and stability is poor is overcome. The preparation technology provided by the invention is simple; the general physical stirring process is only needed; and no homogenization technology is required. A product prepared in the invention can be sterilized through a 0.22-micron microfiltration membrane; in clinical use, the product can be spontaneously emulsified after diluted by the use of an aqueous solution such as normal saline or a glucose solution, etc. and slightly oscillated; and under optimized conditions, average particle size is about 0.2 micron, and injection fat emulsion characteristics are fully embodied. The product has good fluidity, will not be retained on the wall, is single-phase, transparent and clear in appearance, can undergo clarification detection, will not cause preparation stratification after multigelation and is used in clinical uses such as induction of general anesthesia, short-time operative anesthesia and the like.

The invention relates to a preparation method of a highly-effective Cr (VI) absorption carbon-aluminum oxide composite material. The preparation method of the highly-effective Cr (VI) absorption carbon-aluminum oxide composite material comprises hydrolyzing aluminum alkoxide under weakly acidic conditions to obtain pseudo-boehmite sol, uniformly mixing the pseudo-boehmite sol with a glucose solution with a certain amount of lauryl sodium sulfate dissolved in, adding in a certain amount of ethyl alcohol, and performing water boiling, separation, drying and baking to obtain the highly-effective Cr (VI) absorption carbon-aluminum oxide composite material. The highly-effective Cr (VI) absorption carbon-aluminum oxide composite material achieves a removal rate up to 98.2% for Cr (VI) solutions with the concentration lower than 80 mg / L. The prepared highly-effective Cr (VI) absorption carbon-aluminum oxide composite material greatly improves the absorbing capacity and the absorbing rate of toxic Cr (VI); when applied in a 100 mg / L mixed solution of Cr (VI), Cd (II), Cu (II), Zn (II) and Ni (II), the highly-effective Cr (VI) absorption carbon-aluminum oxide composite material also achieves excellent selective absorbability of Cr (VI) and reaches an absorbing capacity up to 76.5 mg / g, and for a single Cr (VI) solution with the same initial concentration, the highly-effective Cr (VI) absorption carbon-aluminum oxide composite material achieves an absorbing capacity of 78.58 mg / g.

The invention discloses a method for preparing polyhydroxybutyrate (PHB), which is implemented by taking cupriavidus strains sh-1 (preservation No.: CGMCC No. 4815) as strains for preparing PHB. The method comprises the following steps: inoculating the strains in a slant culture medium, then culturing the strains for 24 hours at a temperature of 30 DEG C; taking slant cultures, then inoculating the slant cultures in a conical flask filled with a seed culture medium, and under the condition of shaking the conical flask at a rotating speed of 180 r / min, culturing the slant cultures for 24-36 hours at a temperature of 30 DEG C; inoculating the obtained seed liquid in a fermentation medium according to an inoculation quantity of 10%, and stirring the obtained product at a rotating speed of 300-500 r / min, then after fermenting the seed liquid 72 hours at a ventilatory capacity of 50-200 L / min and a fermentation temperature of 28-35 DEG C, stopping the operation of fermentation; and in the process of fermentation, when the dissolved oxygen content of the fermentation medium is increased to 80% of saturated dissolved oxygen content, adding a glucose solution (concentration: 10-300 g / L) into the fermentation medium, then when the dissolved oxygen content of the obtained solution drops to 50%, stopping the operation of adding. By using the method disclosed by the invention, the high-density fermentation and high yield of polyhydroxybutyrate can be realized.

The invention discloses a preparation method of a polydopamine modified molybdenum disulfide composite silver nanoparticle antibacterial agent. The method comprises the steps of: preparing a molybdenum disulfide@polydopamine nanosheet solution; preparing a silver nitrate solution and weighing ammonia water, with the ammonia water and the silver nitrate solution being in a molar ratio of 50-100:1,and the silver nitrate and molybdenum disulfide being in a molar ratio of 1-50:1; preparing a glucose solution, with the glucose and silver nitrate being in a molar ratio of 10:1; adding the solutionprepared in the previous two steps and ammonia water into a wild-mouth bottle, conducting magnetic stirring for 20min-30min, then adding a glucose solution, performing magnetic stirring for 1h-1.5h orcarrying out microwave reaction at 60DEG C for 10min for reduction; cleaning the product with ultrapure water, conducting centrifugal purification, dispersing the final product in ultrapure water, and performing storage in a refrigerator at 4DEG C. The preparation method is simple and efficient, has good reproducibility, is convenient for mass production, and meets the requirements of environmental friendliness. The polydopamine modified molybdenum disulfide composite silver nanoparticle antibacterial agent prepared by the method has the advantages of regular morphology, uniform particle size, homogeneous dispersion, reduced cost and excellent antibacterial effect.

The invention relates to a modified electrode for detecting dextrose concentration in absence of enzyme, as well as a preparation method thereof. Firstly, a carbon nano-tube is modified on the surface of a glassy carbon electrode; and then a cyclic voltammetry is used for carrying out electrochemical deposition of nickel hexacyanoferrate on the electrode surface modified by the carbon nano-tube, thereby obtaining the modified electrode modified compositely by the carbon nano-tube and nickel hexacyanoferrate. The modified electrode has good response to dextrose solution in absence of enzyme, the detection lower limit of the dextrose concentration is 1.6*10mol / L; when the dextrose concentration ranges from 3.32*10M / L to 4.95*10M mol / L, the obtained response current has a good linear relation with the dextrose concentration, and the prepared electrode has excellent anti-interference ability.

The invention relates to a method for preparing a Si / Ag / C composite negative material based on the silver mirror reaction principle. The method is characterized by comprising the following concrete steps: a) dropwise adding a 2-5% silver nitrate solution into a 10-32% ammonium hydroxide solution to form a 2-11% Tollens reagent solution; b) adding silica powder in the Tollens reagent solution and adjusting the PH value of the solution to 8-9.5; c) slowly dropwise adding a glucose solution into the solution obtained in the step b) and performing magnetic stirring at the temperature of 80-100 DEG C until forming a precursor; and d) sintering the precursor in a tubular furnace into which argon gas or nitrogen gas are introduced. Glucose is cracked by means of controlling sintering temperature and sintering atmosphere so that glucose is carbonized into highly-crystallized carbon which serves as a buffer framework during charging and discharging process of silica powder, so that the safety and the rate capability of the negative material are enhanced.

The invention discloses the production of menadione, in particular disclosing a method for manufacturing menadione through combining with a chrome tanning agent. The method is characterized in that the method comprises the following (1) a step of preparing menadione, during which, methylnaphthalene, water and EL series emulsifying agents are added in a first reaction bulb; moreover, sodium bichromade and water are added in a second reaction bulb, and concentrated sulfuric acid is added slowly while stirring for cooling down; then prepared red liquor is slowly dripped into the first reaction bulb while stirring, and is filtered and dried so as to obtain bright yellow crystallized menadione powder; and (2) a step of preparing basic chrome sulphate, during which, the mother liquor obtained during preparing menadione is taken out, and sodium bichromade and dextrose solution are added in order; and chrome tanning agent basic chrome sulphate is obtained after spray drying. Through adopting a chrome tanning agent basic chrome sulphate production device to carry out joint production for menadione, the method realizes maximization of resource utilization; moreover, the method greatly reduces production cost for both sides and the release of waste liquids.

The invention discloses a preparation method of a graphene oxide coated carbon microsphere composite material. The method comprises the following steps: preparing a dextrose solution as a carbon source; performing hydrothermal reaction under an acidic condition; washing the obtained product in a plurality of times; performing suction filtering; drying to obtain carbon microspheres; dissolving thecarbon microspheres in a mixed solution consisting of water and absolute ethyl alcohol; then adding a mixed solution of a silane coupling agent and the absolute ethyl alcohol; performing condensing and reflowing under a room temperature or a heating condition; washing the obtained product in a plurality of times; performing suction filtering; drying to obtain modified carbon microspheres; adding graphene oxide to DMF; then adding an activating agent; ultrasonically treating to obtain a graphene oxide solution; adding the modified carbon microspheres to the graphene oxide solution; ultrasonically processing to obtain an uniform mixed solution A; adding a catalyst to the mixed solution A; performing condensing and reflowing under a heating condition; washing the obtained product in a plurality of times; and performing suction filtering and drying to obtain the graphene oxide coated carbon microsphere composite material.

The invention relates to a method for synthesizing anode material LiMn0.7Fe0.3PO4 for a lithium ion cell through a microwave method. After Li2CO3, Fe2O3 and phosphate are metered according to a certain mole ratio, the phosphate is made into phosphate solutions, citric acid is added to the phosphate solutions, and water solutions of the citric acid and the phosphate are prepared. Li2CO3 and Fe2O3 are added, and even stirring is carried out to obtain paste mixtures. A first precursor is obtained after ageing and microwave heat processing. Li2CO3, MnCO3 or MnO2 and the phosphate are used as raw materials to obtain a second precursor in the same way, the first precursor and the second precursor are mixed, glucose solutions are added, and a paste precursor is obtained. Finally, the anode material is obtained through microwave sintering. The charging and discharging capacity and circulating frequency of the anode material for the cell are good. The cell is high in capacity, and good performance is achieved. Accurate control can be achieved through microwave processing, the process is simple, pollution is avoided, and environmental protection is facilitated.

The invention discloses adhesive-free AEI / MFI eutectic silicon-aluminum molecular sieves as well as a synthetic method and application thereof. MFI silicon-aluminum molecular sieves are added into a glucose solution, ultrasonically treated, filtered, dried and roasted to obtain treated MFI silicon-aluminum molecular sieves; and then the treated MFI silicon-aluminum molecular sieves are mixed with FAU silicon-aluminum molecular sieves, silica sol and / or water glass to obtain 15.0-60.0wt% size, microspheres having the average particle diameter of 60-80 mum are prepared by a spray drying method, and the microspheres are roasted 4-10 hours at 600-900 DEG C and crystallized in situ with an alkali source, a piperidinium organic template agent and deionized water to synthesize adhesive-free AEI / MFI eutectic silicon-aluminum molecular sieve microspheres. A molecular sieve catalyst for MTO reaction can be obtained from the microspheres after ion exchange. The AEI / MFI eutectic silicon-aluminum molecular sieves have the advantages of multi-level pores, wide acid distribution and high reaction activity, and are particularly suitable for improving the low carbon olefin selectivity in the MTO reaction.

The invention relates to a flurbiprofen axetil fat emulsion concentrate and a preparation method and use thereof, and belongs to the field of medicine and pharmacy. The flurbiprofen axetil fat emulsion concentrate overcomes the defects of complex traditional fat milk preparation process and poor product stability. The flurbiprofen axetil fat emulsion concentrate is simple in preparation process only needing simple physical mixing without homogenization process. The product can be sterilized through a 0.22 mum millipore filter film, can spontaneously emulsify during clinical use by dilution with normal saline or glucose solution and other water solutions and slight oscillation, under the optimal conditions, emulsified average particle size is about 0.2 mum, and fully shows injection fat milk properties. The flurbiprofen axetil fat emulsion concentrate product has good liquidity, and may not be hung on the wall, the appearance is single-phase, transparent and clear, clarity detection is acceptable, and after repeated freezing and thawing, preparation stratification phenomenon does not occur. The flurbiprofen axetil fat emulsion concentrate product is used for postoperative and cancer analgesia and other clinical application.