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191results about How to "Ctive" patented technology

Ceramal material for manufacturing hydrogen-enriched water and preparing method and application thereof

The invention belongs to the technical field of new environment-friendly materials, and particularly relates to a ceramal material for manufacturing hydrogen-enriched water and the preparing method and application thereof. The ceramal material is prepared from, by weight, 30-85 parts of base material component, 20-60 parts of hydrogen-enriched component, 2-25 parts of anti-microbial component, and 3-30 parts of binder. The base material component is prepared from tourmaline, serpeggiante, silicon oxide, calcium oxide and zeolite. The hydrogen-enriched component is prepared from magnesium metal powder, magnesia powder and KDF alloy powder. The anti-microbial component is prepared from zinc oxide, titanium oxide and cerium oxide. The binder is prepared from one or more of high-purity distilled water, carboxypropyl cellulose and bentonite. The ceramal material can be used for manufacturing alkalescent water, negative-potential water and hydrogen-enriched water and also has an anti-microbial function and a water activating function. The invention further provides the preparing method and application of the ceramal material. The technology is simple and easy to realize. The ceramal material can be applied to products including water purifiers, water purifying kettles and cups.
Owner:山东木齐健康科技有限公司

Chinese-medicinal herb for treating hypertension, high-blood-fat and hyperglycosemia

A Chinese medicine for treating hypertension, hyperlipemia and hyperglycemia is prepared from 22 Chinese-medicinal materials including chrysanthemum flower, astragalus root, red sage root, haw, etc.
Owner:陈志忠

Apparatus and process for clarifying water efficiently

InactiveCN101073715AReduce lossesNo short flowSedimentation separationSiphonSludge
The invention is concerned with a kind of high efficiency water treatment equipment and technology belonging to water treatment field. The middle parts of the equipment are two flocculating rooms having mesh setting with disturbing flow, and the bottom of the flocculating room is precipitation tank. The suspending layer of active mud residue is out of the flocculating room and there is slanting pipe on top of it and concentrate room under it. The pipe excluding residue sets in the suspending layer of active mud residue, and the bottom of clean tank is filler to exclude residue, and there is siphon pipe connecting with the filler. There are grooves excluding residue at top of the flocculating room connecting with the pipe excluding residue and the siphon pipe connects with the residue reuse tank. The filler to exclude residue connects with a pump of reused residue. The equipment gathers the small air flotation, flocculating, active mud residue layer flocculating, and reused technology. Compared with traditional mixed and coagulate deposition technology, it saves 40 percent of field, reduces 10 percent of drug and enhances 15 percent disposal efficiency.
Owner:FUDAN UNIV +1

Polyoxometallate-based industrial dye decoloring photocatalyst and preparation method thereof

The invention belongs to an inorganic chemical synthesis method, and particularly relates to a synthesis method of a metal complex, i.e. polyoxometallate hybridized compound which can be taken as a photocatalyst. A metal organic-inorganic compound is synthesized by taking a Keggin monosubstituted heteropolyanion or reduced heteropolyanion as a catalytically active substance and taking a transition metal complex as a fixed framework at certain temperature and under certain pH condition in an enclosed system. Due to the adoption of the prepared compound serving as a photocatalyst, the green decoloring rate of an industrial dye medium can reach 98 percent. The photocatalyst has slightly solubility in water, so that the photocatalyst can be separated conveniently and used repeatedly and has important meaning and potential application prospect during the treatment of industrial dye waste water.
Owner:NORTHEAST NORMAL UNIVERSITY

Cu-Zr catalyst for steam reforming of methanol to prepare hydrogen and its prepn

The present invention discloses one kind of Cu-Zr catalyst for steam reforming of methanol to prepare hydrogen and its preparation process. The catalyst without Zn and Al components contains CuO10-80 mol%, ZrO2 20-90 mol% and MOx 0-20 mol%, where M is one of Ce, La, Fe, Y and Mn. The Cu-Zr catalyst is used for steam reforming of methanol to prepare hydrogen, and has high activity, high hydrogen selectivity and very high stability. Specifically, it has conversion rate in steam reforming of methanol of 90-99 %, hydrogen selectivity of 95-99 % and CO content in the product lower than 0.5 %.
Owner:FUDAN UNIV

Formula for preparing fracturing liquid by utilizing biological enzyme preparation

InactiveCN101608113AAvoid harmGood recovery stabilizationDrilling compositionCross-linkSolubility
The invention relates to a formula for preparing fracturing liquid by utilizing a biological enzyme preparation, and the biological enzyme is prepared by 0.2-0.5 percent of biological enzyme de-plugging agent by weight, a thickening agent, i.e. hydroxypropyl guar, a cross linking agent, i.e. borax, or an organic boron cross linking agent and a biological gel breaker, wherein the cross linking ratio of the cross linking agent is 100:5 or 100:0.25. The preparation has the advantages of good environment protection property, super activity and catalytic force, small usage amount, convenient use, enhanced efficiency, no residue after gel breaking, long action time under a stratum, good recovery and stability function on stratum rock cores, water-solubility, good wetting effect, simple and convenient operation, simple field construction equipment, and the like, is suitable for an oil well with a pH value from 4 to 10, and is favorable to accelerating the movement of water molecules.
Owner:SUNCOO PETROLEUM TECH

Preparation method for high-entropy alloy

The invention discloses a preparation method for a high-entropy alloy. A pure element or master alloy powder mixture is adopted as a raw material and is directly put into discharge plasma sintering (SPS) equipment, a vacuum hot pressing reaction is conducted, and the bulk high-entropy alloy is fast sintered and synthesized; and the integration of the densification of the alloy bulk material and the solid solution phase of the high-entropy alloy is achieved through the precise control over the SPS sintering parameters, and the dense high-entropy alloy bulk material is obtained at a time. The high-entropy alloy prepared through the technology is high in densification, uniform in structure and excellent in mechanical performance. The preparation method has the outstanding beneficial effects that the equipment and process are simple, the efficient and fast functions are achieved, the production cost is low, and the reliability is high and is suitable for the industrial production of the high-entropy alloy.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Multiple-efficiency water purification ceramic material as well as preparation method and application thereof

The invention belongs to the field of new material technology for hydrogen production, and particularly relates to a multiple-efficiency water purification ceramic material as well as a preparation method and application thereof. The multiple-efficiency water purification ceramic material is prepared from the following raw materials: 30-50 parts of substrate component, 20-40 parts of hydrogen-richcomponent, 2-5 parts of antibacterial component and 3-10 parts of binder; wherein the substrate component is made from tourmaline, Shuiyuan stone, medical stone, calcium oxide and zeolite; the hydrogen-rich component is prepared from metallic magnesium powder, magnesium oxide powder, KDF alloy powder and three-dimensional graphene; the antibacterial component is prepared from far-infrared ceramicpowder, nanometer zinc oxide, titanium oxide and nanometer zirconium dioxide; the binder is prepared from highly pure distilled water, carboxypropyl cellulose and bentonite. The multiple-efficiency water purification ceramic material of the invention can not only produce hydrogen but also store hydrogen when being added to water, and can significantly increase the hydrogen content in the water. The invention also provides the preparation method and application of the multiple-efficiency water purification ceramic material, and the process is simple and easy to implement, and the multiple-efficiency water purification ceramic material is applied to products such as a water purifier, a water filter pitcher and a water cup.
Owner:天津嘉宝艾依琳科技发展有限公司

Health care medicinal liquor

The invention relates to health care medicinal liquor. A preparation method comprises the following steps of: mixing the following components according to the weight ratio: 5g of ginseng, 8g of hairy antler, 15g of common curculigo rhizome, 20g of Chinese magnoliavine fruit, 18g of barbary wolfberry fruit, 20g of black lotus seed, 30g of Chinese yam rhizome, 20g of eucommia bark, 15g of thinleaf milkwort root-bark, 25g of epimedium herb, 25g of common cnidium fruit, 13g of radix rehmanniae preparata, 15g of membranous milkvetch root, 13g of pilose Asiabell root, 9g of Chinese thorowax root, 16g of radix angelicae sinensis, 13g of paenoiae alba, 17g of cherokee rose fruit, 15g of songaria cynomorium herb, 9g of liquorice root, 20g of desertliving cistanche, 15g of prepared common monkshood daughter root, 10g of south dodder seed, 20g of malaytea scurfpea fruit, 15g of medicinal indianmulberry root, 15g of twotooth achyranthes root, 20g of sea clam powder, 17g of himalayan teasel root and 20g of jujube honey; placing the components after mixing into a ceramic jar, and then adding 5000g of 50-degree white spirit into the ceramic jar; and covering and sealing the liquor jar, burying the lower half part of the liquor jar underground, storing for 30 days, unsealing, filtering with a filter screen, and then filling the liquor into a glass bottle for storage, thereby preparing the health care medicinal liquor disclosed by the invention.
Owner:黄海斌

Mountain pepper and konjac dried bean curd and preparation method thereof

The invention discloses mountain pepper and konjac dried bean curd. The mountain pepper and konjac dried bean curd is prepared from the following raw materials in parts by weight: 140 to 150 parts of soybeans, 14 to 16 parts of apples, 7 to 8 parts of konjac powder, 2 to 3 parts of medlar, 1 to 2 parts of longan pulp, 2 to 3 parts of fig, 1 to 2 parts of platycladus orientalis leaves, 2 to 3 parts of hawthorn leaves, 1 to 2 parts of dragons tongue leaf, 1 to 2 parts of chestnut leaves, 1 to 2 parts of cherokee rose fruit, 2 to 3 parts of eucommia, 1 to 2 parts of basil, 1 to 2 parts of verveine, 2 to 3 parts of prepared rehmannia root, and 90 to 100 parts of fresh milk. The nutrition value of the dried bean curd is improved by adding the konjac and the milk into the dried bean curd, and the dried bean curd is chewy; the dried bean curd tastes good by adding enzymatic hydrolysate of the apples, tastes sour and hot by adding seasonings, such as mountain pepper and mature vinegar, and has a unique flavor; the traditional Chinese medicine healthcare components are added, so that the dried bean curd has the effects of reducing blood pressure, dispelling wind, improving eyesight, activating blood circulation to disperse stagnation, tonifying liver and kidney, strengthening spleen, stimulating appetite and relaxing bowels.
Owner:JINCAIDI FOOD CO LTD

Paint with elastic texture

The invention relates to paint with elastic texture, which comprises an A component and a B component, wherein the A component comprises water, hydroxypropyl methylcellulose, quartz sand, and some other additives; the B component comprises 1250-mesh barium sulfate, rutile titanium dioxide, calcined kaolinite, elastic emulsion, styrene-acrylic emulsion, and some other additives, and the B component is obtained by mixing the above components with a proper amount of color paste; the paint with elastic texture is obtained by uniformly stirring the A component and the B component according to weight percents. The paint with elastic texture of the invention is waterborne thick-paste paint with specially-produced pure styrene-acrylic emulsion as a base material and natural granite stone powder as main fillers, and has better wear resistance and cracking resistance than common flat paint or elastic paint; cracks of walls can be bridged effectively because of the flexibility property; and the excellent ultraviolet radiation resistance is especially suitable for areas with strong sunlight.
Owner:河南省德嘉丽科技集团有限公司

Porous solid material for adsorbing and inactivating virus and application thereof

A porous solid material for adsorbing and deactivating the viruses, especially the parainfluenza virus, is prepared from one of TiO2, ZrO2, SiO2 and Al2O3 or P2O5 or their mixture. It can be modified by one or more elements in the families VIII, Ib, IIb, or IIa.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

A method of preparing a magnetic ZnFe<2>O4/g-C3N4 composite photocatalytic material

A method of preparing a magnetic ZnFe<2>O4 / g-C3N4 composite photocatalytic material is disclosed. The method prepares the composite photocatalytic material through a process combining sol gel and calcination. The method includes dissolving Zn(NO3)<2>.6H2O and Fe(NO3)<3>.9H2O into a proper amount of a mixed solution of polyethylene glycol 400 and water, putting into a water bath, stirring for a certain period of time, adding citric acid, putting into a water bath, reacting, adding melamine into the prepared precursor, continuously stirring to form gel, and performing calcination in a muffle furnace to obtain the composite photocatalytic material having high catalytic activity. The method overcomes disadvantages that the photocatalytic efficiency is low and recoverability is poor of a novel semiconductor material g-C3N4. A process of preparing the composite photocatalytic material has advantages of simple and convenient procedures, a high efficiency and easy operation, and avoids generation of waste water and waste residues. The composite photocatalytic material can replace TiO2, ZnO, and other traditional photocatalysts and be applied to photocatalytic purification of organic waste water pollution and air pollution.
Owner:ZHEJIANG UNIV OF TECH

Drinking water purification treatment material, and manufacturing method and use thereof

The invention relates to a material for purifying and processing drinking water, which is made of high-temperature sintering tourmaline nanometer powder, alkali mine powder, metal magnesium and the like. The invention is characterized in that the material for purifying drinking water contains 5 to 30 weight percentages of sea shell powder, 10 to 40 weight percentages of tourmaline nanometer powder, 10 to 40 weight percentages of alkali mine powder and 2 to 20 weight percentages of metal magnesium. The invention has convenient utilization and low price, can effectively remove the foreign odor in water, has the functions of resisting bacteria and mineralizing, activating and minifying water molecular groups of the drinking water and enables the human body to achieve pH value balance.
Owner:张金松

Coating method of antibacterial surgical suture made of high molecular absorbable material

The invention discloses a coating method of an antibacterial surgical suture made of a high molecular absorbable material. The method comprises the following steps of: applying a dying process to a coating process; preparing a suture woven by using a warp loom; soaking a primary suture; uniformly spraying a coating liquid onto the suture by adopting a gas-free coating process; and drying and sizing. The suture is reddish violet and fresh in color, is smooth and flexible, is easy for knotting, has high knotting strength, and has the advantages of anti-inflammation, oxidation resistance, high degradability, long tension period and the like; and the safety of a knot is enhanced. The tensile strength is kept by about 70 percent two weeks after clinical suturing; slow absorption starts four weeks later; and the suture is absorbed completely 8-10 weeks later. As proved by clinical application, the antibacterial surgical suture has a wide application range and a good effect, is free from irritability, irritation and inflammatory reactions, and has the advantages of sterilization, anti-inflammation, bacteriostatic action and the like.
Owner:SHANDONG HAIDIKE MEDICAL PROD CO LTD

High protein content fungus and lotus seed blood supplementing flour and preparation method thereof

InactiveCN105053812AAvoid harmHas the health benefits of promoting qi and nourishing bloodFood ingredient functionsFood preparationAmylaseFragaria
The present invention discloses a high protein content fungus and lotus seed blood supplementing flour which consists of the following raw materials in parts by weight: 250-280 parts of wheat, 10-15 parts of soybean protein powder, 7-9 parts of fungus, 6-8 parts of lotus seeds, 3-5 parts of tofu skins, 2-4 parts of pumpkin seeds, 3-5 parts of seaweed powder, 6-7 parts of clam meat, 15-18 parts of strawberry juice, 3-6 parts of ginsengs, 5-7 parts of radix rehmanniae praeparata, 6-8 parts of kadsura interior, 0.4-0.6 part of chitosan, and an appropriate amount of amylase and papain. The blood supplementing flour preparation method includes the following steps: the wheat is firstly put and soaked in a traditional Chinese medicine decocted fluid of the ginseng, etc. which enables the flour to have health-care efficacies of promoting the circulation of qi and supplementing blood; the papain is subjected to curing treatment by the chitosan, which enables the papain to have heat resistance and heat increase activity, and reduces the enzyme reaction time; the added amylase and papain can increase the content of amino acids, polypeptides and glucose in flour, which can be easily absorbed by human body; and the added fungus, lotus seeds, and other ingredients have efficacies of supplementing blood and are suitable for the consumption of anemia population.
Owner:凤台县龙泰面粉有限责任公司

Active dendrobe polysaccharide capable of protecting liver and resisting liver fibrosis and preparation method of antibody affinity chromatography

The invention discloses active dendrobe polysaccharide capable of protecting liver and resisting liver fibrosis, whose chemical structural formula is seen in the figure. The active dendrobe polysaccharide is gala glucomannan taking glucose and mannose as a main chain and galactose as a branch, the molecular weight of the gala glucomannan is about 2.2*104dalton, and the mole ratio of glucose to mannose to galactose in the composition is 31:10:8. The invention further discloses extraction, separation and purification methods of the active dendrobe polysaccharide as well as the preparation method of antibody affinity chromatography of the active dendrobe polysaccharide. The active dendrobe polysaccharide prepared by the method has remarkable physiological activity of protecting liver and resisting liver fibrosis and can be used for preparing liver-protecting health care products and medicines for curing liver fibrosis.
Owner:HEFEI UNIV OF TECH

Marine fungi aspergillus terreus C23-3, fermentation liquor active extract as well as preparation method and application thereof

InactiveCN108165500AImprove antioxidant capacityInhibits acetylcholinesterase activityFungiNervous disorderBiotechnologyBacterial strain
The invention relates to marine fungi aspergillus terreus C23-3, a fermentation liquor active extract as well as a preparation method and application thereof. The marine fungi aspergillus terreus C23-3 is collected in the Guangdong Microbiological Culture Collection Center (GDMCC) on Jan 22th, 2018 with the collection number GDMCC No. 60316. Active substances of standing fermentation liquor of theaspergillus terreus C23-3 are subjected to extraction and purification; a fermentation liquor total extract of a bacterial strain can well resist oxidization and restrain the activity of acetylcholinesterase; an active extract prepared by purifying the fermentation liquor of the bacterial strain has very high oxidization resistance and / or acetylcholin esterase restraining activity, and has a very good application prospect on the aspect of preparation of an anti-senile dementia medicament and on the aspect of preparation of an anti-oxidization and / or acetylcholin esterase activity restrainingmedicament.
Owner:SHENZHEN INST OF GUANGDONG OCEAN UNIV +1

Medication of membranous milk vetch for activating blood and the channels, and preparation method

A Chinese medicine for treating the apoplexy sequelae is prepared from 9 Chinese-medicinal materials including astragalus root, Chinese angelica root, Chuan-xiong rhizome, red peony root, etc. Its preparing process is also disclosed.
Owner:广西玉林方特药业有限责任公司

Preparation method and use of hairyvein agrimony effective ingredient

ActiveCN103735659AActivity hasActive ingredient, has anti-inflammatory propertiesCosmetic preparationsAntipyreticAdditive ingredientPotassium cyanide
The invention relates to a preparation method and a use of a hairyvein agrimony effective ingredient, and belongs to the traditional Chinese medicine effective ingredient extraction field. The preparation method comprises the following steps: a, taking the hairyvein agrimony and extracting the hairyvein agrimony by using a 75-95wt% ethanol aqueous solution with the weight being 8-12 times the weight of the hairyvein agrimony to obtain an extract; b, adding activated carbon to the extract, decoloring by heating reflux, filtering, and concentrating until no alcoholic smell to obtain a concentrated liquor; c, sieving the concentrated liquor, adding water to the concentrated liquor for diluting, putting the diluted concentrated liquor on macroporous adsorption resin, washing with water at first until the effluent I is colorless, and then washing with a 70-90wt% ethanol aqueous solution until the effluent II is identified with polyphenol to be negative by the ferric trichloride-ferric potassium cyanide to obtain an eluate; d, concentrating the eluate til no alcoholic smell, and then drying to obtain the hairyvein agrimony effective ingredient. The preparation method has the beneficial effect that the antioxidation effect is achieved by virtue of rational extraction, enrichment and separation methods; the preparation method can be applied to preparing the hairyvein agrimony effective ingredient of an oxidation resisting product.
Owner:H&B COSMETICS

Electrocatalyst with mixed precious metal and perovskite oxides

ActiveCN103811774AHas high oxygen reduction (ORR)CtiveCell electrodesElectrolysisOxygen
The invention relates to an electrocatalyst with mixed precious metal and perovskite oxides. The electrocatalyst with mixed precious metal and perovskite oxides is characterized in that precious metal and perovskite oxides are mixed mechanically at different ratios so as to prepare an electrode, thereby obtaining the electrocatalyst with high ORR (oxygen reduction reaction) and OER (oxygen evolution reaction); the single precious metal is an excellent oxygen reduction catalyst, but the catalytic oxygen evolution reaction is relatively poor; the perovskite oxides have relatively high catalytic activity to the oxygen evolution reaction, and have very flow catalytic activity to the ORR. Aiming at the situation, the catalyst obtained by the invention has high ORR and OER activity at the same time only by a simple mixing method, and can act as a double-effect oxygen electrode for the fields of integrated recyclable fuel batteries, chargeable metal-air batteries, water electrolysis and the like.
Owner:辽宁沐与康中氢燃料电池有限公司

Smokeless graphene heating film moxibustion device

The invention belongs to the field of traditional Chinese medicine physiotherapy instruments, and particularly relates to a smokeless graphene heating film moxibustion device. The moxibustion device is composed of a shell, a direct-current power supply, a direct-current voltage transformation module, electrodes, a graphene heating film, a heat insulation material pad, a suction cup and a moxibustion sheet. The moxibustion device has the functions of clearing and activating the channels and collaterals, promoting qi to activate blood, dispelling dampness and cold, removing swelling and lumps, restoring yang to rescue patients from collapse and preventing diseases to maintain health as traditional moxibustion, and compared with the traditional moxibustion method, the moxibustion device further has the advantages of being free of smoke and ash, clean, environmentally friendly, convenient to use and practical; meanwhile, the moxibustion device has the far infrared wave treatment effect ofgraphene and can accelerate blood circulation, stimulate cell vitality, relax muscles and relieve body aches.
Owner:GUANGXI UNIV OF CHINESE MEDICINE +1

Preparation method of compound algicide with high alga removal rate

The invention discloses a preparation method of compound algicide with a high alga removal rate and belongs to the technical field of algicide. According to the preparation method disclosed by the invention, coal ash and expanded graphite are mixed to serve as a carrier, saccharose is utilized as an outer coated carbon layer precursor, and the carrier and the saccharose are prepared into visible-light catalytic active compound algicide with visible-light catalytic activity is prepared through chitosan adsorption and copper ion coating; the compound algicide is in a worm shape and has good floatability, and an the alga removal rate of the algicide is improved; under irradiation of light, alga can generate oxygen on the surface through photosynthesis, the alga is accelerated to die, a descent rate of a chlorophyll content of the alga is quickened continuously, the alga is accelerated to die, and the alga removal rate of the algicide is improved againfurther; the chitosan and the coal both have better flocculation capacity and adsorption capacity, and the chitosan can generate amino groups with positive charge after reacting with hydrochloric acid; when the amino groups are more, an acid solution and magnetite powder are utilized to jointly modify the coal ash and the expanded graphite; thus, the alga removal rate of the algicide is further improved; the algicide has a wide application prospect.
Owner:广州市弗雷德环保科技有限公司

Traditional Chinese medicine preparation for curing gout and method of preparing the same

The invention discloses a traditional Chinese medicine preparation for treating gout and a preparation method thereof. The traditional Chinese medicine preparation is mainly made from the raw ingredient medicines by weight parts as follows: radix rehmanniae, pawpaw, Radix Aucklandiae, angelica dahurica, Wu Chia Pee, achyranthes and radix aconiti feri are respectively 100 to 250 parts; panax notoginseng and fennel are respectively 10 to 40 parts; camphor is 25 to 75 parts; borneol is 10 to 30 parts; mush / muskone is 0.1 to 0.5 parts. Compared with the prior art, the traditional Chinese medicine preparation has specific antiphlogistic effect to non-steroid inflammation, and has the functions of clearing heat as well as removing dampness, activating blood circulation and dredging collaterals, and promoting vascular regeneration; by adopting the modern extraction technology, the invention fully extracts the active ingredients in the traditional Chinese medicine to make a external preparation which can be applied on affected parts directly; through percutaneous absorption, no liver first pass effect occurs, the traditional Chinese medicine preparation has no damage to the liver, stomach, kidney, etc., without toxic and side effects, the curative effect is good and thorough, and the relapse is avoided.
Owner:杨漓 +2

Saponin compounds or pharmaceutically acceptable salts thereof, compositions, and preparation method of saponin compounds or pharmaceutically acceptable salts therof, and application of saponin compounds or pharmaceutically acceptable salts thereof and compositions

The invention relates to saponin compounds or pharmaceutically acceptable salts thereof, compositions, and a preparation method of the saponin compounds or the pharmaceutically acceptable salts thereof, and application of the saponin compounds or the pharmaceutically acceptable salts therof and the compositions. Chemical components of gynostemma pentaphylla are subjected to systematic extraction,separation and purification by using various column chromatographic separation methods, and the compound having a dammarane tetracyclic triterpenoid structures and containing a glycosyl group in a side chain is obtained through separation. The compounds obtained by separation according to a technical scheme in the invention have anti-inflammatory, anti-tumor, antioxidant and lipid-lowering activities and the like.
Owner:TIANJIN UNIV OF TRADITIONAL CHINESE MEDICINE

Method for utilizing citriodora oil to extract waste liquid to prepare mosquito repellent

The invention provides a method for utilizing citriodora oil to extract waste liquid to prepare a mosquito repellent and relates to a method for preparing the mosquito repellent. The method comprises utilizing aqueous phase distillate flowing out of an oil-water separator of a citriodora oil extractor, enabling p-menthane-3, 8-diol in the aqueous phase distillate to be dissolved out by adding sodium chloride or potassium chloride, adding an organic solvent to perform extraction, then performing pressure-reducing distillation on the organic solvent to obtain light yellow oily liquid, freezing the light yellow oily liquid, dissolving out and crystallizing, filtering to obtain p-menthane-3, 8-diol, finally evenly mixing and dissolving 10%-50% of p-menthane-3, 8-diol, 5%-20% of propylene glycol, 10%-50% of 75% ethanol, 2%-10% of glycerol and 2%-10% of 1,3-butanediol according to mass ratio, and obtaining the mosquito repellent. The method is simple to operate, reduces environmental pollution and harm caused to the humans, and is low in cost and convenient to popularize and use.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

Bovine-derived anti-staphylococcus aureus single-chain antibody, preparation method and application thereof

The invention relates to a bovine-derived anti-staphylococcus aureus single-chain antibody. The antibody at least comprises a light chain variable region of an amino acid sequence which is represented in SEQ ID No.1, a heavy chain variable region of an amino acid sequence which is represented in SEQ ID No.2 and an intermediate connecting peptide which is located between the light chain variable region and the heavy chain variable region. The single-chain antibody can be specifically bound with staphylococcus aureus, has certain external neutralization activity and has good application prospects when used in related reagents or drugs for diagnosing, preventing and treating staphylococcus aureus bovine mastitis.
Owner:SHANGHAI JIAO TONG UNIV

Furnace slag water-stable base material and preparation method thereof

The invention discloses a furnace slag water-stable base material and a preparation method thereof. The furnace slag water-stable base material is formed by mixing a dry material and water. The dry material comprises the following components in percentage by weight: 3-5% of cement, 20-35% of furnace slag and 65-75% of macadam. The water accounts for 3.5-5.5 wt% of the dry material. The furnace slag is used instead of fine aggregate, thereby reducing the probability of cracking caused by temperature shrinkage when the cement content and water-stable base are reduced. The solid waste is used as the fine aggregate in the water-stable base material, thereby changing wastes into valuable substances, saving the waste piling site and saving the mineral resources of macadam production. The furnace slag material is pretreated, so that the heavy metal content and leaching toxicity are lower than the standard values. The furnace slag water-stable base material is applicable to the water-stable base with higher economic value, and lowers the engineering cost.
Owner:JIANGSU SINOROAD ENG TECH RES INST CO LTD

3,5-bis(arylidene)-N-benzenesulfonyl-4-piperidinone compounds and preparation method thereof

The invention relates to ten 3,5-bis(arylidene)-N-benzenesulfonyl-4-piperidinone compounds having anti-tumor and anti-inflammatory activities, and belongs to the technical field of anti-tumor and anti-inflammatory medicines. A preparation method of the 3,5-bis(arylidene)-N-benzenesulfonyl-4-piperidinone compounds comprises the following steps: firstly, performing claisen-schmidt condensition reaction on 4-piperidinone hydrochloride and aromatic aldehyde to obtain a 3,5-bis(arylidene)-N-H-4-piperidinone hydrochloride intermediate product so as to further perform benzene sulfonylation on the 3,5-bis(arylidene)-N-H-4-piperidinone hydrochloride intermediate product and a sulfonylation reagent to obtain the 3,5-bis(arylidene)-N-benzenesulfonyl-4-piperidinone compounds. The compounds have good anti-tumor and anti-inflammatory activities, can avoid the genetic toxicity of currently-used anti-tumor medicines, have little toxicity to normal cells, and also have good anti-inflammatory activity.The preparation method is simple and convenient to operate, is mild in reaction conditions, is high in synthetic yield, and is beneficial for being widely popularized in anti-tumor and anti-inflammatory fields.
Owner:BINZHOU MEDICAL COLLEGE

Iridium nano-enzyme having activity of tandem enzyme and application thereof

ActiveCN109270060AHas glucose oxidase-mimicking activityImitation peroxidaseMaterial analysis by observing effect on chemical indicatorColor/spectral properties measurementsIridiumPeroxidase
The invention relates to the field of nanometer materials, catalysis and analysis, in particular to iridium nano-enzyme having activity of tandem enzyme and application thereof. The iridium nano-enzyme has the activity of imitated peroxidase and the activity of imitated glucose oxidase, and the activity of imitated enzymes is similar to an optimum active pH. The iridium nano-enzyme is utilized toachieve one-pot non-enzyme developing glucose detection and is hopeful to be widely used in the fields such as analytical chemistry, biological medicine, food engineering and catalysis.
Owner:QINGDAO AGRI UNIV
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