39results about How to "Good potential application prospects" patented technology

The invention relates to nanometer level flower-shaped zinc oxide. The nanometer level flower-shaped zinc oxide is spiauterite type zinc oxide and has the nanometer level flower-shaped appearance, the size of the nanometer level flower-shaped zinc oxide is 500 to 800nm, each petal consists of nanometer bars with smaller size, and the specific surface area is 90-110m<2> g<-1>. The nanometer level flower-shaped zinc oxide provided by the invention has the characteristics that the appearance is in a flower shape, the specific surface area is large, and the like. The nanometer level flower-shaped zinc oxide has higher activity in the methyl orange photocatalytic degradation, and potential application values are realized in sewage treatment. The invention discloses a preparation method of the nanometer level flower-shaped zinc oxide.

The invention provides a method for generating autologous retinal stem cells and autologous retinal cells by reversely differentiating human body cells. The method comprises the following steps of: culturing the human body cells in steps in a culture medium which contains different plant extracts and proteins, so that the human body cells are reversely differentiated to generate the autologous retinal stem cells and then continuously generate a plurality of autologous retinal cells. Tens of billions of a first generation of autologous retinal stem cells are generated within 2 to 3 weeks. The plant and protein-induced human autologous retinal stem cells have the same cell specific phenotype as human natural retinal stem cells and various cell differentiation abilities. The autologous retinal stem cells and the autologous retinal cells have good application prospect in the field of treating diseases, such as retinal pigment degeneration, and also have good potential application prospect in the fields of regenerative medicine and autologous tissue organ engineering. The autologous retinal stem cells and the autologous retinal cells have the possibility to be produced massively in an industrialization way.

The invention relates to a nickel metaphosphate micro-nanomaterial as well as a preparation method and an application thereof. The micro-nanomaterial has a nano sheet array structure, and the lamellar thickness of nano sheets is less than 20nm. The nickel metaphosphate micro-nanomaterial is prepared through the preparation method comprising the following steps: dissolving a soluble nickel salt and weak base molecules in a solvent to react together with carbon cloth to obtain a nickel-containing precursor/carbon cloth complex, and then performing heat treatment on the nickel-containing precursor/carbon cloth complex and a phosphate compound in an inert atmosphere to obtain the nickel metaphosphate micro-nanomaterial. Based on a structure duplication thought, the invention adopts a two-step method to achieve preparation of a micro-nanostructure and growth of a nickel metaphosphate crystal phase, respectively, the preparation of the nickel metaphosphate micro-nanomaterial with a single crystal phase is achieved, the experiment operation is simple and safe, and scale production and application can be achieved. The prepared nickel metaphosphate micro-nanomaterial has a significant pseudocapacitance characteristic, and the specific capacitance is greater than 2000F/g when the discharge current is 1A/g, so that the nickel metaphosphate micro-nanomaterial has a good potential application prospect in the aspect of electrochemical energy storage.

The invention provides a culture solution and method for producing a hemopoietic stem cell by reversely splitting a somatic cell and application of the culture solution. The culture solution for producing the hemopoietic stem cell by reversely splitting the somatic cell is a skin composed of a plurality of kinds of plant extractives and proteins by mixing and can be used for reversely inducing and splitting the human somatic cell so that the hemopoietic stem cells with a magnitude order of hundreds of billions are produced within two weeks; and the plant and protein inductive hemopoietic stem cells have cell specific phenotypes which are similar with those of human natural hemopoietic stem cells so that the hemopoietic stem cells not only have a plurality of kinds of application potentials for disease treatment and anti-aging health protection, but also are applicable to establishing a novel hemopoietic stem cell library to permanently preserve the natural hemopoietic stem cells for a long period. Compared with the traditional cord blood/bone marrow/peripheral hemocytoblast library, the novel autologous hemopoietic stem cell has the advantages of large number of produced/preserved stem cells, good monitor probability of the quality of the stem cells, wide application range and the like.

The invention belongs to the technical field of hydrogen concentration detection and monitoring, and discloses a hydrogen sensor and application thereof. According to the sensor, room-temperature ionic liquid N,N,N-trimethyl-N-sulfobutyl ammonium hydrogen sulfate is used as an electrolyte, and platinum black is used as a catalyst. The response current of the sensor and the concentration of H2 are in a linear relation, and the sensor not only has high sensitivity, good selectivity and fast response recovery, but also has stable performance in a high-humidity environment. The sensor provided by the invention overcomes the problem that an electrochemical gas sensor cannot be applied to high humidity, and has a good potential application prospect on high-temperature and high-humidity ships. Moreover, the sensor does not need an inner support and a liquid storage tank, the structure is more simplified, the size is smaller, an anti-vibration layer is additionally arranged, and the sensor has better firm anti-vibration performance.

A method for producing organic macromolecule nano tube by sodium sulfide and perchlorobenzoacenaphthylene relates to a organic macromolecule nano tube. The method comprising: dissolving the sldium monosulfide in the absolute ethyl alcohol to get solution A, adding the perchlorobenzoacenaphthylene into the solvent to get mixture B, ultrasonic treatment to the mixture B; feeding solution A and B in a container for ultrasonic treatment, heating the container in the reaction vessel at least 1 hour at constant temperature, cooling, getting mixture C; taking the underlayer red deposit of the mixture C, washing at least a time with toluene, water and ethanol. Wherein, sldium monosulfide sulfur atoms: perchlorobenzoacenaphthylene chlorin atoms=1:2-3 according to the molar ratio, and solvnt:absolute ethyl alcohol=1:16-32, the solvent is chosen from one of toluene, cyclohexane or tetrahydrofuran.

The invention provides an amyloid fiber ferric hydroxide heterogeneous Fenton catalyst as well as a preparation method and application thereof, and relates to the field of sewage treatment. The preparation method comprises the following steps: dissolving beta lactoglobulin in water to obtain a protein solution with a mass fraction of 2-5%, adjusting the pH value of the protein solution to 2.0-4.0, placing the protein solution in a water bath with a temperature of 80-100 DEG C, and carrying out a reaction for 5-10 h to obtain a protein fiber solution; dissolving ferric iron salt in the protein fiber solution, and adjusting the pH value to 2.0-7.0 to obtain the amyloid fiber ferric hydroxide heterogeneous Fenton catalyst. According to the invention, beta-lactoglobulin is used as a cocatalyst, and ferric hydroxide is loaded in situ to obtain the heterogeneous composite catalyst. The catalyst can efficiently degrade organic pollutants under acidic, especially neutral conditions, does not produce iron mud, and is a practical catalyst with good potential application prospects.

The invention discloses an amphiphilic high-temperature-resistant silicon-based fiber plugging agent and a preparation method thereof, and belongs to the technical field of plugging in oil field projects. According to the amphiphilic high-temperature-resistant silicon-based fiber plugging agent, ethyl orthosilicate is taken as a basis, the ethyl orthosilicate is uniformly mixed with a high-temperature-resistant inorganic filler and a forming aid, a mixture is prepared into an aqueous solution with the suitable viscosity, then the aqueous solution is sprayed into a sodium hydroxide aqueous solution coagulating bath through spinneret orifices, and coagulation forming is performed to obtain high-temperature-resistant silicon-based fibers; then cyclodextrin with an amphiphilic structure is used for performing surface grafting treatment on the prepared high-temperature-resistant silicon-based fibers to obtain amphiphilic high-temperature-resistant silicon-based fibers; and the obtained fiber plugging agent can be used in an oil-based drilling fluid and a water-based drilling fluid, is excellent in plugging effect, and can be applied to high-temperature severe environments of drilling deep plugging and the like.

The invention belongs to the technical field of organic chemical synthesis, and particularly relates to a preparation method of a dioxa [5] helicene compound and an application thereof, and the dioxa[5]helicene compound provided by the invention has good potential application prospects in the fields of photoelectric functional materials, asymmetric synthesis application, metal catalysis and the like. The raw materials adopted in the preparation method are cheap, easy to obtain and diversified, the high-yield dioxa [5] pentahelicene compound can be obtained through reaction under the action of alkali which is easy to obtain commercially, operation is easy, reaction conditions are mild, existence of different functional groups can be compatible, the substrate application range is wide, the product yield is high, and the defect that expensive and unavailable raw materials are used in a traditional transition metal catalytic synthesis method is overcome.

The invention relates to a three-dimensional 4f-5d coordination polymer and a preparation method and application thereof. The three-dimensional 4f-5d coordination polymer Ln(H2O)4(pyrazine)0.5W(CN)8 is prepared by using a mixing method which takes a neutral two-dimensional layered coordination polymer as a building block and taking pyrazine as a columnar ligand and puts the neutral two-dimensional layered coordination polymer and the pyrazine into acetonitrile, wherein Ln is any one of La, Ce, Pr, Nd, Sm, Eu, Gd and Tb. The coordination polymer has a ferromagnetic coupling mutual effect and has a significant application prospect in the field of magnetics.

The invention discloses a sheet type high-temperature-resistant self-suspension plugging agent and a preparation method thereof, and belongs to the technical field of oil field engineering drilling plugging. The preparation method comprises the following steps: taking bisphenol A, amino silicon oil and formaldehyde as main raw materials, carrying out prepolymerization, and carrying out mould pressing and curing in a mould to form a three-dimensional cross-linked thermosetting sheet; and then carrying out graft modification on the surface of the resin sheet by utilizing hydroxyl-terminated polyethylene glycol to obtain a final product. The thermosetting resin prepared by the preparation method adopts a compression molding process, the thickness size is adjustable and controllable, and the thermosetting resin is good in high-temperature resistance due to the fact that a large number of aromatic structural units and polysiloxane structural components which are crosslinked with one anotherexist in molecules, and a good leaking stoppage and leakage prevention effect can be achieved in an environment of 150 DEG C or above; besides, flexible polyethylene glycol molecular chains exist onthe surfaces of the resin sheets so that the resin sheets can be uniformly and stably suspended and dispersed in the drilling fluid, and the problem that a conventional plugging agent is difficult toapply or poor in using effect due to sedimentation in the drilling fluid is avoided or relieved.