75results about How to "Maintain steady state" patented technology

An indwelling catheter has a hollow catheter body, a catheter tube fitted to a front end of the catheter body, an elastic valve fitted inside the catheter body, and a hollow plug slidably fitted inside the catheter body. The catheter tube, the elastic valve, and the plug are aligned in this order. A connector inserted from a proximal end of the catheter pushes the plug, and the plug presses the elastic valve open.

A process for producing one or more chemical compounds comprising the steps of providing a bioelectrochemical system having an anode and a cathode separated by a membrane, the anode and the cathode being electrically connected to each other, causing oxidation to occur at the anode and causing reduction to occur at the cathode to thereby produce reducing equivalents at the cathode, providing the reducing equivalents to a culture of microorganisms, and providing carbon dioxide to the culture of microorganisms, whereby the microorganisms produce the one or more chemical compounds, and recovering the one or chemical compounds.

A homeostatic heat trace powered by wind and solar electrical generators for preventing freeze-up of equipment at remote sites. A heat trace system wherein solar power may be used as backup when wind velocities are too low or high. A heat trace with a UPS backup for preventing freeze-up of equipment at remote sites during power failure. A homeostatic control system for maximizing the utilization of energy stored in a bank of batteries. A programmable logic controller with a homeostatic control system for maintaining battery charge. A homeostatic heat trace system powered by wind and backed up by solar power to prevent freeze-up of equipment at remote sites, including oil and gas wells.

The invention provides a skin barrier repairing complex, facial cream and a preparation method therefor. The skin barrier repairing complex comprises a composition for repairing skin barrier, hydroxylasiaticoside, deacidified carnosine, a glycyrrhiza inflata root extract, a radix scutellariae extract and a hamamelis extract, wherein the composition for repairing skin barrier comprises sea fennelcallus culture filtrate, Ectoin and a hydrolyzed red alga extract. The skin barrier repairing complex can achieve triple effects of simultaneously repairing cutin barrier, repairing immunologic barrier and strengthening microbiologic barrier; and the facial cream prepared from the skin barrier repairing complex is obvious in repairing effect and can be used for effectively improving hydrature of skin, increasing the content of hyaluronic acid in the skin, improving photoaging, helping cell saccharification reversing and reducing fine grain area.

The three-dimensional cultivation device is provided with new culture liquid storing bottle, circulating culture, liquid storing bottle, 3D tissue cell cultivation chamber and waste liquid collectingbottle and among them there are silica duct, liquid for drive, pressure inhibitor and gas flow valve connected electrically to culture liquid renewing automatic controller, stress regulating detectorand gas flow rate controller separately. Inside the 3D tissue cell cultivation chamber, there is bearing net with engineering tissue organ and hydraulic sensor connected electrically to stress regulating detector. The present invention cultures engineered tissue and organ in an environment with simulated blood circulation and physiological stress suitable for tissue growth and maturation, and theautoamtic process has less work amount.

The invention relates to the field of application of microbial fermentation, in particular to low-acidity micro-ecological food produced through three-stage probiotic fermentation of Chinese dates anda preparation method of the low-acidity micro-ecological food. The invention mainly provides probiotic functional beverages, probiotic powder, the micro-ecological food and preparation methods of theprobiotic functional beverages, the probiotic powder and the micro-ecological food through staged fermentation based on different temperatures with agricultural products such as the Chinese dates andsoybeans as raw materials. The invention aims to prepare the probiotic functional beverages, the probiotic powder and the micro-ecological auxiliary food for intestinal flora disorder, constipation and diarrhea of modern people, and an idea is provided for production and research of related products.

A density / solute monitor having at least one ultrasound probe, a signal processing unit, and a computing mechanism, and process for using the same, to measure phase shift between emitting and receiving ultrasound, sound velocity, compressibility, density, and solute concentration of fluid flowing through a fluid processing system. The ultrasound probe emits and receives ultrasound waves through the fluid and the signal-processing unit and computing mechanism process the ultrasound waves to determine phase and time shift. The computing mechanism converts phase shift to density, compressibility, and solute concentration measurements of the fluid. Calibrating fluids calibrate the detected phase shift in terms of sound velocity in the factory. Measurements provide information about passage of solutes and flow to achieve better solute collection efficiency, solution purity, and control of fluid processing systems. The density / solute monitor can include other detection modalities such as an optical probe, making concentration measurements of the density / solute monitor more specific to selected solutes.

A composition for the topical application on a mammalian skin comprises one or more Brassica plant extracts selected from the group consisting of: Brassica juncea extract, Brassica oleracea italica extract, Brassica oleracea capitata extract, Brassica oleracea botrytis extract, and Brassica oleracea acephala extract. The composition further comprises one or more selected from the group consisting of: Curcuma longa extract, curcuminoids, tetrahydrocurcuminoids, metabolites of curcuminoids or tetrahydrocurcuminoids, and derivatives of curcuminoids or tetrahydrocurcuminoids. The composition further comprises one or more selected from the group consisting of: Camellia oleifera extract, Camellia sinensis extract, green tea extract and white tea extract; Wasabia japonica extract; Bacopa monnieri extract; Silybum marianum extract; and one or both of Piper nigrum extract or tetrahydropiperine.

The invention provides a lactobacillus plantarum AR113 strain with a protection function on stroke. The lactobacillus plantarum AR113 is preserved in the China General Microbiological Culture Collection Center on March 22, 2017, and the preservation number is CGMCCC No.13909. By adopting the lactobacillus plantarum AR113 strain provided by the invention is capable of improving antioxidant enzyme activities of brain tissue, reducing levels of oxidation products, activating Nrf-ARE signal channels, regulating relative expression amounts of antioxidation factors Nrf2, NQO01 and HO-1, meanwhile, reducing miRNA (micro ribonucleic acid) expression of apoptosis-promoting factors Cyt-C, Caspase-3 and Bax, increasing relative expression of an anti-apoptosis factor Bcl-2, and furthermore, relievingbran cell damage caused by cerebral ischemia reperfusion.

A composition for the topical application on a mammalian skin comprises one or more Brassica plant extracts selected from the group consisting of: Brassica juncea extract, Brassica oleracea italica extract, Brassica oleracea capitata extract, Brassica oleracea botrytis extract, and Brassica oleracea acephala extract. The composition further comprises one or more selected from the group consisting of: Curcuma longa extract, curcuminoids, tetrahydrocurcuminoids, metabolites of curcuminoids or tetrahydrocurcuminoids, and derivatives of curcuminoids or tetrahydrocurcuminoids. The composition further comprises one or more selected from the group consisting of: Camellia oleifera extract, Camellia sinensis extract, green tea extract and white tea extract; Wasabia japonica extract; Bacopa monnieri extract; Silybum marianum extract; and one or both of Piper nigrum extract or tetrahydropiperine.

The present invention provides a method for determining free vitamin D in a sample through liquid chromatography tandem mass spectrometry. The method comprises: preparing free vitamin D standard substance solutions of different concentrations; adding stable isotope internal standard substances to the standard substance solutions, uniformly mixing, then extracting with n-hexane, drying supernatantswith nitrogen, adding PTAD for derivatization and then drying with the nitrogen, and adding a complex solution for detection of liquid chromatography tandem mass spectrometry; drawing a standard curve according to the concentrations of the standard substance solutions and the detected signal intensity; replacing the standard substance solution in step B with a sample to be determined for conducting detection; and obtaining the concentration of the free vitamin D in the sample to be determined according to the detection result of the sample to be determined with reference to the standard curve, thereby realizing quantitative detection of the free vitamin D in the sample. The present invention successfully establishes the method for determining the free vitamin D in the sample through liquid chromatography tandem mass spectrometry. The method can quickly and specifically detect the content of the free vitamin D in the sample (especially serum).

The three-dimensional cultivation device is provided with new culture liquid storing bottle, circulating culture, liquid storing bottle, 3D tissue cell cultivation chamber and waste liquid collecting bottle and among them there are silica duct, liquid for drive, pressure inhibitor and gas flow valve connected electrically to culture liquid renewing automatic controller, stress regulating detector and gas flow rate controller separately. Inside the 3D tissue cell cultivation chamber, there is bearing net with engineering tissue organ and hydraulic sensor connected electrically to stress regulating detector. The present invention cultures engineered tissue and organ in an environment with simulated blood circulation and physiological stress suitable for tissue growth and maturation, and the autoamtic process has less work amount.

The invention relates to a feed additive capable of relieving endoplasmic reticulum stress of jewfishes as well as a preparation method and application of the feed additive, and belongs to the field of feeds. Each 100 parts by weight of the feed additive comprises 20-30 parts by weight of alfalfa sapinogenin, 10-20 parts by weight of chelated zinc methionine, 5-15 parts by weight of taurine, 20-30parts by weight of radix puerariae powder, 5-10 parts by weight of grape seed proanthocyanidins, and the balance of a carrier. The raw materials of the feed additive are safe and free from harmful remaining, and create conditions for production of a green feed and aquatic products. The preparation method of the feed additive comprises the following steps of mixing the raw materials in parts by weight. The preparation method is simple, good in condition controllability and good in stability, and has favorable application prospects. The feed additive is applied to preparation of a jewfish feed,the antioxidant ability of livers of the jewfishes can be improved, the oxidative damage of endoplasmic reticulum can be reduced, the endoplasmic reticulum stress protein expression can be reduced, the endoplasmic reticulum stress can be relieved, and the endoplasmic reticulum can be maintained stable.

The invention provides a skin barrier repairing compound, a pre-essence and a preparation method of the pre-essence. The skin barrier repairing compound is prepared from a skin barrier repairing composition, madecassoside, a grape leaf extract, a chondrus crispus extract, glycosphingolipids and glycolipids, the skin barrier repairing composition is prepared from crithmum maritimum callus culture filtrate, tetrahydromethyl pyrimidinecarboxylic acid and a hydrolyzed red alga extract; and the pre-essence comprises the following components in percentage by mass: 1-10% of the skin barrier repairingcompound, 10-30% of a humectant, 1-10% of an emollient, 1-5% of an emulsifier and the balance of water. The skin barrier repairing compound can effectively balance a microbial barrier, stabilize a keratinous barrier and strengthen an immunity barrier, so that the skin is healthy and stable. The pre-essence prepared from the skin barrier repairing compound can effectively regulate cutin renewal, strengthen the skin cutin barrier and improve the skin resistance.

The invention relates to the technical field of pharmaceutical preparations, in particular to a radix paeoniae rubra terpene glycoside composition with a function of anti-myocardial ischemia, and further discloses a preparation method and application of the composition. The radix paeoniae rubra terpene glycoside composition with the function of the anti-myocardial ischemia takes paeoniflorin, albiflorin std, benzoylpaeoniflorin and oxypaeoniflorin as effective constituents, and an experimental result demonstrates that the radix paeoniae rubra terpene glycoside composition can restrain the hypoxia damage of H9C2 myocardial cells induced by sodium hydrosulfite, and can be widely applied to the preparation of medicine used for preventing and treating myocardial ischemia diseases.

The invention relates to a pre-slaughtering stress regulating method for Yanbian yellow cattle, and in particular relates to a method for improving beef quality through pre-slaughtering fasting and feeding management. The method comprises the step of fasting and feeding water to the Yanbian yellow cattle before slaughtering, wherein the water contains composite phosphate; the composite phosphate comprises sodium pyrophosphate, sodium tripolyphosphate and hexametaphoshate sodium based on the ratio of 1:5:14. According to the method, the concentration of the composite phosphate water fed to the Yanbian yellow cattle before slaughtering is proper in concentration and cannot lead to unbalancing of calcium and phosphorus content in blood of Yanbian yellow cattle; after feeding the composite phosphate water before slaughtering, the pre-slaughtering stress of the Yanbian yellow cattle can be certainly reduced, and the stability of environment in the body can be maintained; after feeding the composite phosphate water before slaughtering, the pH and the water-retaining capacity of the beef can be improved, so that the color and the tenderness of the beef can be improved, and as a result, the quality of the Yanbian yellow cattle can be certainly improved.

The invention provides a preparation method of a hibiscus sabdariffa anthocyanin extract. The extraction process is simple, no pollution is caused, and the anthocyanin content is high. The hibiscus sabdariffa anthocyanin extract prepared by the preparation method disclosed by the invention is wide in application, and can be applied to multiple fields of foods, preparation of health-care products and / or medicines. The invention further provides an application of the hibiscus sabdariffa anthocyanin extract to preparation of a medicine for preventing or relieving colitis. The hibiscus sabdariffa anthocyanin extract has the specific effects on preventing or relieving colitis as follows: the hibiscus sabdariffa anthocyanin extract can relieve weight loss of dextran sodium sulfate induced colitis mice, reduce the inflammation level in serum and tissues, relieve shortening and edema of colon, protect intestinal mucosa barriers, increase the total content of short-chain fatty acids in the intestinal tract, maintain the stable state of intestinal flora, and reduce the abundance of harmful bacteria in the intestinal tract.

The invention discloses a Chinese herbal medicine additive for feeding laying hens and a feeding method of the additive. The Chinese herbal medicine additive is prepared from the following Chinese herbal medicines in parts by weight of 3-6 parts of rhizoma atractylodis macrocephalae, 2-5 parts of radix astragali, 1-4 parts of radix platycodonis, 1-4 parts of herba epimedii, 1-3 parts of radix angelicae sinensis, 2-4 parts of herba ephedrae, 2-5 parts of rhizoma dioscoreae, 3-6 parts of fructus hordei germinatus, 1-3 parts of massa medicata fermentata, 1-3 parts of pericarpium citri reticulatae, 2-4 parts of radix acanthopanacis semticosi and 1-3 parts of radix sanguisorbae. Various Chinese herbal medicines are ground and sieved, and the sieved materials are mixed in parts by weight to obtain a mixture, namely the Chinese herbal medicine additive. 1-3 kg of the Chinese herbal medicine additive is added into every 100 kg of chicken compound feed according to the weight ratio to obtain chicken feed. 10-36 g of the chicken feed is used for feeding each brooding chicken every day, 40-80 g of the chicken feed is used for feeding each growing chicken every day, and 85-120 g of the chickenfeed is used for feeding each laying hen every day. The additive has the characteristics of strong safety, small toxic and side effects and low residue, avoids tolerance of livestock and poultry to the additive, and basically realizes antibiotic-free breeding.

The invention belongs to the field of drug processing and particularly relates to a minimal hepatic encephalopathy intestinal flora regulating Chinese herbal preparation and a preparation method thereof. The minimal hepatic encephalopathy intestinal flora regulating Chinese herbal preparation is mainly composed of kudzuvine root, coptis chinensis, red date, honeysuckle, red ginseng, semen coicis,ginsenoside, astragalus polysaccharides, gynostemma pentaphylla, clove tea extract, radix paeoniae alba, liquorice, eryngo, timosaponin, catechinic acid, apigenin, fructus evodiae, brucea javanica, lobelia chinensis, amaranthus retroflexus, frankincense, eucalyptus honey and lichen. The minimal hepatic encephalopathy intestinal flora regulating Chinese herbal preparation can accelerate intestinalperistalsis and promote defecation; during defecation, intestinal pernicious bacteria and unhealthy metabolites are excreted to improve intestinal flora disequilibrium; contained organic acids maintain an acid intestinal environment and reduce the pH of intestinal tracts to provide a suitable growing environment for intestinal probiotics. The minimal hepatic encephalopathy intestinal flora regulating Chinese herbal preparation can inhibit bacteria by damaging cytoderm synthesis, protein synthesis and genetic material synthesis of the bacteria.

The invention relates a game paintball which is composed of a colloid ball shell and contents packaged in the colloid ball shell. The game paintball is characterized in that the colloid ball shell is made of 30%-55% of gelatin, 5%-20% of glycerinum, 5%-20% of sodium carboxymethyl starch (CMS), 30%-45% of purified water and 0.5%-2% of pigment. The contents are made of 1%-10% of glycerinum, 20%-40% of sodium carboxymethyl starch (CMS), 30%-60% of purified water, 1%-10% of talcum powder, 5%-20% of detergent and 0.5%-2% of pigment. The game paintball has the advantages of being low in cost, good in stability, colorful, low in colloid shell thickness, high in content amount, high in biodegradation rate, safe and nontoxic and has a broad market prospect.

The invention relates a game paintball which is composed of a colloid ball shell and contents packaged in the colloid ball shell. The game paintball is characterized in that the colloid ball shell is made of 30%-55% of gelatin, 5%-20% of glycerinum, 5%-20% of sodium carboxymethyl starch (CMS), 30%-45% of purified water and 0.5%-2% of pigment. The contents are made of 1%-10% of glycerinum, 20%-40% of sodium carboxymethyl starch (CMS), 30%-60% of purified water, 1%-10% of talcum powder, 5%-20% of detergent and 0.5%-2% of pigment. The game paintball has the advantages of being low in cost, good in stability, colorful, low in colloid shell thickness, high in content amount, high in biodegradation rate, safe and nontoxic and has a broad market prospect.

The invention relates to application of AMD3100 or a pharmaceutically acceptable salt of the AMD3100 to preparation of a medicine for treating and / or preventing dyscrasia, and the medicine used for treating and / or preventing dyscrasia.

The invention provides essence containing an anti-aging composition and a preparation method of the essence. The essence containing the anti-aging composition is prepared from the following raw materials: the anti-aging composition, a skin conditioner, a humectant and water, wherein the anti-initial-aging composition comprises a hedychium coronarium root extract, a radix scutellariae root extract and a cocoa seed extract; the skin conditioner is prepared from a butterflybush flower extract, glucosylrutin and an artemia extract. The anti-aging composition improves the tolerance of skin by regulating cell redox balance, regulating cell autophagy and promoting cell detoxification, and can be matched with each component in a skin conditioner of essence to achieve synergistic interaction, resist excessive free radicals, improve the self-oxidation resistance of the skin and inhibit melanin pigmentation; besides, a problem of skin light aging caused by blue light can be effectively solved, skin collagen is promoted, and the effects of slowing down skin aging, improving color spots, whitening and brightening are achieved.

A wearable breathing mask configured inform of an anion mask with a material such as, but not limited to cotton, nylon, polyethene, polypropylene or some other material used to produce textiles or another suitable breathable substrate. This material acts as a substrate displaying distanced anion emitters completely covering the nostril and mouth area to ensure the constant flow of anions but avoid the avoid repulsion or unflattering appearance. The frame comprises a body with construction or openings to isolate the air circulating within the mask, an adjustable head band to fit on the user's face. The anion emitters may be made by including but not limited to materials such as tourmaline, germanium, or other natural or unnatural emitting materials. The advantages of using the various models of the masks includes helpful in solving numerous problems including but not limited to limitation of Antibacterial effect of anions, antiviral effect of anions, Anti-allergic effects of anions and Anti-asthma effects of anions. The assembly is simple, lightweight, adjustable and comfortable to use similar to normal masks. User can easily get used to inhale thru nose and exhale through mouth or vice versa.

The invention discloses selenium-rich water, which consists of the following raw materials in parts by weight: 5-10 parts of a selenium source, 1-2 parts of a pH regulator, 1-3 parts of an antioxidant, 0.1-0.2 part of stabilizing and dispersing agents and 2,500-3,500 parts of water. The selenium-rich water disclosed by the invention adopts organic selenium and inorganic selenium to carry out mutual cooperation and supplementation, the organic selenium has a high price but has a good absorption effect, the inorganic selenium has a low price but has a poor absorption effect, so that the organicselenium and the inorganic selenium are cooperatively used, the absorption effect of the low-concentration inorganic selenium is obviously improved, and then, a certain amount of organic selenium is supplemented to reach a content required by the human body. While a situation that the price is not too high is guaranteed, the selenium element required by the human body is supplemented. In addition,the selenium-rich water disclosed by the invention adopts the pH regulator, the stabilizing agent and the dispersing agent to guarantee the stable state of the selenium-rich water, so that the selenium-rich water can be stored for a long time, the expiration date of the selenium-rich water is greatly prolonged, and the effective content of the selenium element of the selenium-rich water can be kept to a maximum extent, and the selenium-rich water has wide applicability.

The invention belongs to the field of biomedicine, and relates to a pharmaceutical preparation for preventing and / or treating nonalcoholic fatty liver disease and an application of patchouli oil in preparing a medicament for preventing and treating nonalcoholic fatty liver disease. The active ingredient of the pharmaceutical preparation comprises patchouli oil, wherein the patchouli oil accounts for 0.71 to 40 percent of the weight of the pharmaceutical preparation. The patchouli oil is applied to drugs for preventing or treating nonalcoholic fatty liver disease, so that nonalcoholic fatty liver disease can be effectively prevented and / or treated, new application of patchouli oil is increased, and industry and commercialization of patchouli oil are promoted.

The invention provides application of brown algae oligosaccharide or pharmaceutically acceptable salt thereof in preparation of a medicine for treating acute kidney injury, wherein the brown algae oligosaccharide is brown algae disaccharide, brown algae triose and / or brown algae tetraose. The invention also provides application of the brown algae oligosaccharide or the pharmaceutically acceptable salt thereof in preparation of medicines for preventing acute kidney injury from being converted into chronic kidney diseases. After the brown algae oligosaccharide is used for treating an animal with acute kidney injury, the serum creatinine level is obviously reduced, the urine concentration function of the kidney is obviously recovered, the levels of renal tubular injury factors (KIM-1 and NGAL) are obviously reduced, the expression of inflammatory factors is obviously reduced, the pathological change of the kidney is obviously improved, and the treatment effect is enhanced along with the increase of the dosage. Therefore, the brown algae oligosaccharide disclosed by the invention has a relatively strong effect of treating the acute kidney injury. In addition, when acute kidney injury occurs, the brown algae oligosaccharide disclosed by the invention can be used for protecting kidney functions and preventing the acute kidney injury from being converted into chronic kidney diseases.

The invention concerns a use of C7 sugars and derivatives of formula (I), called avocado perseose, which have, inter alia, a protective activity to epidermal skin cells. These C7 sugars and derivatives are capable of maintaining the expression of markers of adult stem cells, in particular basal stem cells. Avocado perseose can also be used for preventing the deleterious effects of environmental damage. Avocado perseose has a beneficial effect on the conservation of the potential of epidermal stem cells and thus helps maintain skin homeostasis.

The invention discloses an application of a pueraria flower extract in preparation of drugs for preventing, treating and relieving inflammatory bowel diseases, protecting intestinal barriers and stabilizing intestinal morphology, provides a reliable anti-inflammatory agent to help to maintain the balance of the intestinal environment, and has the advantages of good curative effect on the inflammatory bowel diseases, low price and no obvious side effect. The invention finds and verifies that the pueraria flower extract has a remarkable curative effect on inflammatory bowel diseases, is low in price and side effect, and can macroscopically improve the intestinal inflammation state by improving the body health level, reducing the intestinal permeability, prolonging the intestinal length and the like. The pueraria flower extract can relieve excessive proliferation and differentiation of precursor cells caused by exogenous proinflammatory factors by negatively regulating an important factor, namely a JAK-STAT signal channel, of a colitis pathogenesis and maintain the homeostasis of intestinal cells, so that the effect of treating the inflammatory bowel disease is achieved.

The invention discloses an electrode for a prostate gasification surgery, which comprises a casing. An electrode tool bit is arranged on the top of the casing, and a pair of electrode pieces is separately arranged on the electrode tool bit; a group of connecting pole pieces to be connected with a high-frequency surgical instrument are arranged on the bottom end of the casing, and the electrode pieces are respectively connected with the pole pieces through circuits; the electrode tool bit is arranged on the top of the casing, the electrode pieces are arranged on the electrode tool bit, and the electrode acts on a pathological part after the electrode is connected with the high-frequency surgical instrument through the connecting pole pieces on the bottom end of the casing; the electrode pieces are directly connected into a circuit through the pathological part without adhering a pole plate. Therefore, the aim of the electrode for the prostate gasification surgery is realized.