35results about How to "Unique molecular structure" patented technology

The invention belongs to the technical field of biology, and relates to a camel source immunity nanometer antibody (single-domain heavy-chain antibody, VHH) specifically bound with AFP and application of the antibody. The amino acid sequence of the antibody is SEQ ID NO.:1. The invention further relates to nucleotides for encoding amino acids. The AFP nanometer antibody can be used as the antibody to be applied to immunological detection of AFP not for disease diagnosis and treatment. Compared with a Scfv antibody and a Fab antibody, the camel source immunity VHH has the higher specificity and affinity, more stable in structure, resistant to acid, base and high temperature, high in detection flexibility and the like, so that the immunity detection stability is greatly improved, and meanwhile the environment resistance is greatly improved.

The invention discloses chitosan derivative based clean makeup-removing wet tissue with effects of bacterial inhibition and moisture preservation. The chitosan derivative based clean makeup-removing wet tissue with the effects of bacterial inhibition and moisture preservation is prepared from raw materials in percentage by weight as follows: 2%-5% of chitosan derivatives, 5%-10% of PEG-8 caprylic/capric glycerides, 3%-8% of butanediol, 2%-5% of glycerin, 1%-3% of trehalose, 1%-5% of olive oil PEG-6 esters, 0.5%-3% of a skin conditioner, 0.15%-0.3% of phenoxyethanol, 0.15%-0.3% of ethylhexylglycerin, 0.1%-0.2% of methylparaben, 0.05%-0.2% of sodium hyaluronate, 0.01%-0.05% of essence and the balance of deionized water. According to the chitosan derivative based clean makeup-removing wet tissue with the effects of bacterial inhibition and moisture preservation and a preparation method, the makeup-removing wet tissue prepared with the preparation method is low in production cost, high in stability and good in cleansing power and realizes deep cleaning, besides, the makeup-removing wet tissue further has the effects of bacterial inhibition and moisture preservation, the facial skin after application of the makeup-removing wet tissue is smooth and tender, and makeup residues on the facial skin are removed.

The invention discloses a novel polysaccharide antibacterial mouthwash and a preparation method thereof. The novel polysaccharide antibacterial mouthwash comprises the active ingredients of carboxymethyl chitosan and propolis and further comprises a Chinese herbal medicine concentrate, sodium alginate, oleum menthae, a pH modifier, ethanol and purified water. The preparation method comprises the following steps: quantitatively adding carboxymethyl chitosan and a propolis and ethanol solution, and heating for dissolution; after the solution is cooled down, adding the Chinese herbal medicine concentrate, sodium alginate, oleum menthae and the pH modifier, supplementing purified water to obtain the total amount, and obtaining the novel polysaccharide antibacterial mouthwash after measuring the pH value. The novel polysaccharide antibacterial mouthwash has the effects of cleaning the oral cavity and resisting bacteria to protect teeth, meanwhile, reduces the allergy risk caused by propolis, has a very unique Chinese herbal medicine fragrance, is added with no synthetic essences, is safer and more healthy, is simple in preparation method, low in cost, lasting and effective in antibacterial effect, free from toxic and side effects on a human body and comfortable in taste.

The invention discloses water-based putty powder, and relates to the field of paint. The water-based putty powder is prepared by 40 to 60 parts of modified talcum powder, 20 to 40 parts of ash calcium powder, 10 to 15 parts of white cement, 10 to 15 parts of di-hydrated silicon dioxide powder, 1.5 to 2.5 parts of carboxymethylcellulose, 10 to 15 parts of active carbon, 2 to 3 parts of rubber powder, 0.1 to 0.3 part of triclosan and 0.5 to 1 part of pigment. Compared with the prior art, the water-based putty powder is high in sterilizing and mould-resisting effect. In the water-based putty powder, active carbon and triclosan are added, so that the sterilizing and bacteriostasis capacity is relatively high, and the mould phenomenon can be prevented.

The invention relates to a sewage purification and reuse process and equipment thereof which are applicable to small and medium heavy pollution enterprises; the sewage purification and reuse process adopts a composite efficient flocculant as a core pollution control reagent for the solid/liquid separation of sewage, and is achieved by three process steps, namely, precipitation and mud removal I, measurement and mixing II, and separation and purification III. The process and equipment thereof have small occupied area, less construction investment and low operation cost, is especially applicable to the sewage treatment of small and medium heavy pollution enterprises in paper, leather, printing and dyeing, electroplating, food, chemical industries, and the like, and can realize sewage reuse, environmental protection, and development of economic multiple benefits.

The invention relates to a chitosan/KIT-6 type silicon-based composite material, and a preparation method and an application thereof. The preparation method comprises the following steps: dissolving an appropriate amount of P123 in water, adding concentrated hydrochloric acid, performing stirring overnight in a water bath, adding n-butanol, performing stirring, adding tetraethyl orthosilicate, carrying out a reaction, pouring the obtained solution into a chitosan solution, dropwise adding glutaraldehyde, continuously carrying out a reaction for a period of time, transferring the obtained solution into an autoclave, carrying out a hydrothermal reaction for a certain period of time, cooling the obtained solution, carrying out suction filtration, washing the obtained reaction product to reachneutrality, drying the washed reaction product overnight, and carrying out Soxhlet extraction by using acetone to obtain CS-KIT-6; and dissolving the CS-KIT-6 in dimethyl sulfoxide, adding an appropriate amount of epichlorohydrin, carrying out a microwave reaction, washing the obtained reaction product to reach neutrality, drying the washed reaction product overnight, adding a certain amount of apolyethyleneimine solution and a certain amount of N,N-dimethylformamide, carrying out a microwave reaction, washing the obtained reaction product to reach neutrality, and drying the washed reactionproduct overnight to obtain the product PEI-CS-KIT-6. The composite material prepared in the invention can be applied to the adsorption of chromium in water as an adsorbent, and has the characteristics of energy saving, environmental protection and high efficiency.

The invention provides a flocculation and sterilization difunctional water treatment agent and a preparation method thereof. The flocculation and sterilization difunctional water treatment agent is prepared from the following raw materials in parts by weight: 10-20 parts of chitosan, 10-16 parts of citric acid, 15-25 parts of polyferric sulfate, 7-15 parts of carboxyethyl cellulose, 10-20 parts ofa sterilization algicide, 5-15 parts of sodium silicate, 20-30 parts of coal gangue, 10-15 parts of aluminum oxide, 1-3 parts of a stabilizer, 1-3 parts of an accelerator, 5-15 parts of inorganic acid and 90-110 parts of deionized water. The flocculation and sterilization bifunctional water treatment agent has a good flocculation effect, has a good removal effect on metal ions, and also has a good bacterium killing function.

The invention discloses a preparation method of multi-sulfydryl hyperbranched polythioether based on alpha lipoic acid. The preparation method comprises the steps of adding the alpha lipoic acid and a reagent containing triple bond and hydroxyl into tetrahydrofuran, stirring 5 minutes, then adding N,N'-dicyclohexyl carbodiimide and 4-dimethyl amino pyridine, reacting for 3-24 hours in a temperature of 10-25 DEG C to obtain a product containing disulfide bond and triple bond, then dissolving into tetrahydrofuran, adding a reducing agent and water, reacting for 5-24 hours in a temperature of 10-25 DEG C to obtain a product containing sulfydryl and triple bond, dissolving the prepared product containing the sulfydryl and the triple bond into N,N'-dimethyl formamide, then adding a photoinitiator and exposing in an ultraviolet lamp of 500-2000W for 5-60 minutes to carry out thiol-yne click chemical reaction to obtain the multi-sulfydryl hyperbranched polythioether based on the alpha lipoic acid. As a preparation process is simple and the raw materials are easy to obtain, the preparation method is low in cost and suitable for large-scale popularization.

The invention relates to a preparation method of a wula sedge grass-woven handicraft prepared from the following raw materials in parts by weight: 86-96 parts of wula sedge, 1-5 parts of radix angelicae, 1-5 parts of fenugreek and 1-5 parts of lavender. An optimal scheme comprises the following raw materials in parts by weight: 93 parts of wula sedge, 2 parts of radix angelicae, 2 parts of fenugreek and 3 parts of lavender. The preparation method comprises the following steps: airing, soaking in hot water, taking out and tightly sealing, spreading and airing, grinding and kneading picked wula sedge, then mixing the wula sedge with the lavender, the fenugreek and the aerial stems and aerial stem and leaves of the radix angelicae which are dried in the shade together, delivering into a beetling machine and beetling with a wooden hammerhead or a plastic hammerhead until the fibers are as soft as silk and cotton by beetling, and then processing into handicrafts of baskets, mats and cushions, covers and boxes, insoles, animals and the like by a traditional method of grass-woven handicrafts.

The invention belongs to the technical field of resin processing, particularly relates to HDPE resin with high rheological property and further discloses use of the HDPE resin in preparation of a communication cable insulating material. According to the HDPE resin with high rheological property, a loaded titanium modified chromium catalyst is used for carrying out a catalyzed polymerization reaction on the basis of the existing conventional HDPE resin polymerization process, and thus, the prepared HDPE resin has extremely high rheological property and can be adaptable to high-speed extruding processing. According to the communication cable insulating material disclosed by the invention, the prepared HDPE resin with high rheological property is taken as a matrix material, a compounded santonox r antioxidant, a phosphite antioxidant and a hydrazine antioxidant are picked, have a good synergistic effect and can act excellent thermo-oxidative aging resisting and heavy metal passivation inhibiting functions, the prepared insulating material has a unique molecular structure, the speed of extrusion during communication cable processing can be increased, meanwhile, the comprehensive properties of the material are improved, and the improvement on use performance of communication cable products is also facilitated.

The invention relates to a preparation technology of novel modified triethanolamine. A material is prepared from the following ingredients in percentage by weight content: 64 to 93% of triethanolamine, 5 to 30% of alloyed powder and 2 to 6% of tetrafluoroethylene, wherein the alloyed powder is flaky single powder of copper powder, copper alloy powder or zinc powder or a mixture of the copper powder, the copper alloy powder or the zinc powder; and the tetrafluoroethylene is prepared from single powder of polytetrafluoroethylene, molybdenum disulfide or graphite or a mixture of the polytetrafluoroethylene, the molybdenum disulfide or the graphite. The composite material can be prepared by a plastic processing conventional twin-screw extruder through extrusion and granulation. Compared with the prior art, a three-layer composite material bearing prepared by the invention has the advantages of good heat conductivity, bearing capacity, abrasion resistance and the like.

The invention relates to the field of finish paint, in particular to a nano titanium crystal finish paint. The raw materials of the topcoat are resin and titanium crystal powder, which are placed in a container and stirred evenly to form the nanometer titanium crystal topcoat. The present invention is widely used in the production and manufacture of topcoats, and can solve the problem of existing topcoats at home and abroad, which do not have: fire retardant, sound insulation, heat preservation, antistatic, oxidation resistance, waterproof, strong hardness, gloss, scratch resistance, chemical resistance Reagent and smoke ignition, wear-resistant, anti-corrosion, pollution-resistant, high precision, good brightness, environmental protection, anti-turbidity and ghost invasion, produce powerful titanium crystal energy, laborious manufacturing and production, not environmentally friendly, and produce environmental pollution during production And so on.

The invention discloses a corrosion inhibitor and application thereof. The corrosion inhibitor is a corrosion inhibitor in organic acid cleaning and is prepared from the following raw materials by weight percent: 10%-50% of phytic acid, 20%-40% of urotropin, 0.5%-3% of citric acid, 0.5%-5% of sodium nitrate, 0.5%-2% of anion active agent and the balance of water.

The invention relates to the field of topcoats, and in particular relates to a carbon crystal topcoat. The carbon crystal topcoat comprises the raw materials of carbon crystal powder and transparent resin. The carbon crystal topcoat is widely used in the manufacture of the top coats, can solve the defects of low ignition point, no waterproofing, poor hardness, no wear resistance, no fouling resistance, large odor, easy crack due to thermal expansion and contraction, and the like of domestic and foreign existing top coats.