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 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 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.