35results about How to "Has potential application value" patented technology

The invention relates to a 4-phenyl-6H-1,3-oxazine-6-one derivative, a preparation method and application thereof, and provides a class of 4-phenyl-6H-1,3-oxazine-6-one derivatives represented by a formula (III). According to the invention, the preparation method is mild in condition, simple and safe to operate and relatively high in yield, and the 4-phenyl-6H-1,3-oxazine-6-one derivative obtainedby the invention has aggregation-induced emission (AIE) characteristics and can be applied to the photoelectric field.

The invention relates to new bi-preoxy a vanadium complex that has the constitutional formula of formula 1. The complex molecular formula is C8H17KN3010V, and molecular weight is 405.29. The invention also relates to the potential application in curing diabetes.

The invention provides a method for classifying and extracting xylogen and xylo-oligosaccharide in papermaking black liquid. The method mainly comprises the following steps: diluting papermaking blackliquid, regulating the pH value, ageing, standing, and performing centrifugal separation to obtain centrifugate and a solid precipitate; performing rotary evaporation concentration on the centrifugate, dripping ethanol to precipitate, and performing centrifugal separation to obtain solid xylo-oligosaccharide; purifying and dissolving the solid precipitate with a methanol / acetone mixed solution; dripping an ethyl acetate solvent to precipitate, and performing centrifugal separation to obtain xylogen F1 and centrifugate; performing rotary evaporation concentration on the centrifugate, drippingan ethyl acetate / petroleum ether mixed solution to precipitate, and performing centrifugal separation to obtain xylogen F2 and centrifugate; and performing rotary evaporation concentration on the centrifugate, dripping petroleum ether to precipitate, and performing centrifugal separation, thereby obtaining xylogen F3 and xylogen F4 in the centrifugate. The method disclosed by the invention is capable of realizing classification and separation of xylogen and recycling of the xylo-oligosaccharide in bagasse papermaking black liquid, is wide in application range, simple in process and reliable intechnology and has actual application and popularization value.

The present invention relates to catalysts for the dissociation of hydrogen based on organometallic compounds. According to an example, a catalyst for dissociating hydrogen may include: a support; and a metal organic compound formed on a surface of the support. The catalyst can show good activity to the chemical reaction of dissociation of hydrogen at room temperature, and has potential economic application value.

The invention relates to a preparation method for a cation nanocrystalline cellulose enhanced papermaking surface sizing agent.According to the preparation method, firstly, edible corn starch is gelatinized and compounded with cation styrene-acrylic emulsion; secondly, cation nanocrystalline cellulose is used for enhancing the composite emulsion; lastly, a Mayer coating machine is used for conducting surface sizing on fine dried noodle cardboard paper.According to the prepared surface sizing agent, the edible corn starch and the nanocrystalline cellulose are used as main raw materials, application of synthetic latex cation styrene-acrylic emulsion is omitted, and this conforms to the strategy of sustainable development.The cation nanocrystalline cellulose enhanced papermaking surface sizing agent is simple in preparation process and good in flowing property, a good barrier property is given to the paper, and meanwhile the mechanical property and surface property of the paper can be improved.

The invention discloses a preparation method of [1,2,4]oxadiazinoindoline-3-one derivatives, comprising the following steps: (1) preparing an o-nitrophenylacetylene compound, a catalyst and a first organic After the solvents are mixed, react at room temperature for 3-6h; (2) add α-halogenated hydroxamate compound, sodium carbonate and hexafluoroisopropanol to the material obtained in step (1), and react for 10 h at room temperature ‑12h; or mix o-nitrophenylacetylene compound, catalyst, α‑halogenated hydroxamate compound, sodium carbonate and hexafluoroisopropanol and react at 55‑65°C for 10‑12h. The invention can synthesize [1,2,4]oxadiazinoindoline-3-one derivatives with various substituents which are difficult to synthesize by other methods, and has far-reaching significance from the perspective of organic chemistry.

The invention discloses a functionalized boride-filled silicone rubber-based heat-conducting material and a preparation method thereof. In parts by weight, the formula comprises: 100 parts of silicone rubber base material, 15-23 parts of hydroxyl silicone oil compound, functionalized boride 128 to 174 parts, 0.5 to 1 part of superfine silicon carbide, and 0 to 1 part of nano-tungsten oxide. The present invention uses silicone rubber as the matrix, mixes cubic boron nitride and hexagonal boron nitride with different particle sizes, combines and grinds the boron simple substance, and then disperses the functionalized boride as a heat-conducting filler, and then passes through gamma radiation. Combined, a functionalized boride-filled silicone rubber-based thermally conductive material with excellent performance can be obtained; the composite material not only has excellent thermal conductivity, but also has good mechanical and thermal properties, and can be customized according to actual use scenarios. Tailoring of the shape to batch manufacture complex shapes of thermally conductive device underlayers.

An inverse spinel Co 2 SnO 4 YSZ-based mixed potential type H for sensitive electrodes 2 An S sensor and a preparation method thereof belong to the technical field of gas sensors. The sensor in turn consists of an Al with a Pt heating electrode 2 o 3 Composed of ceramic plate, YSZ substrate, reference electrode and sensitive electrode. It is characterized in that: the reference electrode is strip-shaped Pt, and the sensitive electrode is strip-shaped Co 2 SnO 4 , two electrodes are symmetrically distributed on both ends of the upper surface of the YSZ substrate, and the lower surface of the YSZ substrate is connected with Al 2 o 3 The ceramic plates are bonded together. In the present invention, YSZ is used as the ion-conducting layer, and the inverse spinel-type Co with high electrochemical catalytic activity is utilized 2 SnO 4 As a sensitive electrode, it effectively improves the H 2 The gas sensing performance of the S sensor. In addition, the sensor can show a significant difference in response to the exhaled breath of healthy people and simulated halitosis patients, showing important application potential in the diagnosis of halitosis in medical diagnosis and treatment.

The invention discloses a method for preparing a polyester-cotton fabric conductive material modified by a metal-organic framework compound. and carboxylation, followed by washing and drying; (2) adding metal salt solution and organic ligand solution to the fabric obtained in step (1), washing and drying after activation in a solvent; (3) adding step (2) The obtained fabric is immersed in an alkaline solution to obtain the metal organic framework compound modified polyester-cotton fabric conductive material. The method of the invention is simple and the conditions are mild, and the metal organic framework compound modified polyester-cotton fabric flexible conductive material with good elasticity and stretch resistance can be prepared.

The invention discloses an antibody type molecular chaperone capable of inhibiting Tau protein from being aggregated. The antibody type molecular chaperone scFv T1 can effectively inhibit Tau aggregation, is strong in specificity, high in efficiency and low in toxicity and easy to eliminate in the body, and has the advantages of being humanized, convenient for antibody screening, easy to prepare and the like compared with monoclonal or polyclonal antibody prepared by using the traditional method; compared with common immune globulin, the single-stranded antibody has smaller molecules, is easier to express in animal cells in-vitro or in-vivo cultured in model organism, can break through blood brain barrier, has low toxic and side effects, cannot cause immunoreactions easily, can facilitate the research on cell and animal levels and the clinical treatment and applications of Alzheimer disease, thus providing a new direction for treatment of Alzheimer disease, and having potential application values for treating AD, and good medical application prospects.

The present invention relates to a 4-phenyl-6H-1,3-oxazine-6-one derivative and its preparation and application. The present invention provides a class of 4-phenyl-6H-1,3-oxazine-6-one derivatives as shown in formula (III), the preparation method has mild conditions, simple and safe operation, high yield, and The 4-phenyl-6H-1,3-oxazine-6-one derivatives obtained in the present invention have aggregation-induced emission (AIE) properties and can be applied to the field of optoelectronics.

The invention belongs to the field of nanotechnology and relates to a gold nano-modified protein-FeS 2 Preparation of bioconjugated nanofibers and their use in bacterial inhibition. Specifically, dopamine was modified to bovine serum albumin by covalent coupling and used as a template to regulate protein assembly through the coordination of ferrous ions and the cross-linking effect of sulfide ions to prepare metal sulfide-induced biocrosslinking. protein nanofibers. The gold nanoparticles are modified on the surface of the protein nanofibers through the affinity between the sulfhydryl groups of the protein and the gold ions. The diameter of the nanofiber is about 2 μm. The invention prepares gold nano-modified protein-FeS2 biocoupled nanofibers, wherein the molar ratio of bovine serum albumin: ferrous ion: gold ion is 2:3:10, has good photothermal performance and can be used for the inhibition of bacteria.