32 results about "Biochemical composition" patented technology

Microfluidic devices and methods that use cells such as cancer cells, stem cells, blood cells for preprocessing, sorting for various biodiagnostics or therapeutical applications are described. Microfluidics electrical sensing such as measurement of field potential or current and phenomena such as immiscible fluidics, inertial fluidics are used as the basis for cell and molecular processing (e.g., characterizing, sorting, isolation, processing, amplification) of different particles, chemical compositions or biospecies (e.g., different cells, cells containing different substances, different particles, different biochemical compositions, proteins, enzymes etc.). Specifically this invention discloses a few sorting schemes for stem cells, whole blood and circulating tumor cells and also extracting serum from whole blood. Further medical diagnostics technology utilizing high throughput single cell PCR is described using immiscible fluidics couple with single or multi cells trapping technology.

Microfluidic devices and methods that use massively parallel anchored picoreactors as the basis for cell and molecular diagnostics (e.g., characterizing, isolation, processing, amplification) different particles, chemical compositions or biospecies (e.g., different cells, cells containing different substances, different particles, different biochemical compositions, proteins, enzymes etc.).

The present invention involves an expandable element with an outer sticky surface. The expandable element may be in the form of a balloon with deflated and inflated configurations. The expandable element serves to both dilate a lumen in a blood vessel thereby opening it and to exert force upon the sticky surface in order to press it into apposition against a vessel wall. The outer sticky surface may be provided directly upon the expandable element or on a separate outer sheath that conforms to and follows the contours of the expandable element. The sticky surface may take the form of a biochemical composition and / or a mechanically abrasive structure such as microhooks, hairs, mesh netting, etc. Optionally, additional expandable elements may be provided proximal and distal to the main element to occlude blood flow on either side of a lesion in order to better trap emboli for collection.

The present invention relates to medicine, in particular, to the methods of measuring a thermal effect and a local metabolism rate of a live tissue, a water content in the intercellular substance as well as a concentration of biochemical blood components, in particular, blood glucose and pressure in the cardiovascular system.

Microfluidic devices and methods that use cells such as cancer cells, stem cells, blood cells for preprocessing, sorting for various biodiagnostics or therapeutical applications are described. Microfluidics electrical sensing such as measurement of field potential or current and phenomena such as immiscible fluidics, inertial fluidics are used as the basis for cell and molecular processing (e.g., characterizing, sorting, isolation, processing, amplification) of different particles, chemical compositions or biospecies (e.g., different cells, cells containing different substances, different particles, different biochemical compositions, proteins, enzymes etc.). Specifically this invention discloses a few sorting schemes for stem cells, whole blood and circulating tumor cells and also extracting serum from whole blood. Further medical diagnostics technology utilizing high throughput single cell PCR is described using immiscible fluidics couple with single or multi cells trapping technology.

A method of using contaminated water from a well effluent stream produced by oil wells to produce biofuel and / or other biochemical compositions comprises: a) separating the well effluent stream in an oil-water separator assembly into a crude oil stream and a contaminated water stream with capped fractions of contaminants, such as crude oil, salt and metals; b) feeding at least a fraction of the contaminated water stream (1) to an irrigation system (2) of a cascaded series of soil beds (4) in which at least one saline tolerant cellulosic crop (5), such as reed, eucalyptus trees and / or tamaris, is planted, which cascade of soil beds acts as a cascaded biological filter for stepwise further reduction of the crude oil and metals content of the contaminated water stream; c) growing the cellulosic crop or crops (5) on the soil beds, wherein the contaminated water stream (1) is used to irrigate and mature the cellulosic crop or crops (5); d) harvesting a mature cellulosic crop (5) from at least one of the soil beds (4); and e) converting cellulosic material in the harvested mature crop (5) into a compound of a biofuel and / or other biochemical composition by a chemical conversion process.

The invention relates to efficient composite vegetable protein. The efficient composite vegetable protein is characterized in that: the efficient composite vegetable protein comprises, by weight, 9.5-14% of wheat gluten, 26-36% of soybean protein concentrate, 26-36.6% of corn protein powder,10-22% of peanut meal, 0.57-0.77% of L-threonine, 0.73-0.83% of L-lysine hydrochloride, 0.91-1.04% of L-methionine, 1.91-2.10% of taurine, 0.68-0.88% of calcium dihydrogen phosphate, 0.68-0.88% of phytase and 3.02-4.9% of a mineral mixture; during the preparing process, various components are respectively grinded into fine powder, then the grinded fine powder are respectively weighed, and sequentially and uniformly mixed. The efficient composite vegetable protein provided by the present invention is adopted in the scophthalmus maximus feed, such that the survival, the growth, the feed efficiency, the body biochemical composition, the apparent digestibility and the organizational structures of smallintestine and liver of the scophthalmus maximus are not affected; the cholesterol content in the scophthalmus maximus plasma, the phosphorus content in the water body, and the feed cost are effectively reduced; the production process is simple.

The invention relates to a high-efficiency environment-friendly compound vegetable protein used as Cynoglossus semilaevis feed, which is prepared from the following components in percentage by weight: 13-20% of gluten powder, 17-25% of bean pulp, 21.7-33.79% of corn protein powder, 10.93-15.5% of cotton seed pulp, 10-16.5% of peanut pulp, 0.55-0.75% of L-threonine, 1.03-1.13% of L-lysine hydrochloride, 0.9-0.98% of L-methionine, 1.25-1.45% of taurine, 2.3-3.1% of mineral mixture, 0.71-0.91% of calcium biphosphate, 0.11-0.15% of ferrous sulfate monohydrate, 0.04-0.12% of zinc sulfate monohydrate and 0.48-0.62% of phytase. The invention effectively substitutes fish meal protein, does not influence the survival and growth of Cynoglossus semilaevis, feed efficiency, biochemical composition, physiologic index and sensory quality of muscles, and lowers the phosphorus content in the water body and the cost.

The invention belongs to the field of microalgae cultivation, and particularly relates to a method for cultivating microalgae by using CO2 as a carbon source. Tris is added into a microalgae cultivating solution containing the CO2 gas serving as the carbon source, so that the concentration of the total inorganic carbon source in the cultivation solution is obviously increased, and the biological yield of the microalgae is increased. Particularly in the cultivation solution in which the macroalgae with the pH value of 6-8 grows properest, according to the method, higher CO2 utilization rate can be guaranteed; meanwhile, the added Tris cannot be consumed by microalgae cells, so that a repeated carbon fixing effect can be achieved, and the economic property is improved. Compared with mono ethanol, Tris nearly does not have a harm effect on the microalgae; when the adding final concentration is 2-8 mmol / L, the biomass yield is increased; furthermore, when the adding final concentration is 4-6 mmol / L, the increase degree is the largest; meanwhile, the biochemical composition of the microalgae cells cannot be affected by the Tris.

The invention relates to a liver protective white tea and the preparation method thereof. The liver protective white tea is prepared from white tea and herba gynostemae. Researches indicate that the white tea has good functions of antioxidation, anti-aging and restraining skin cancer while the herba gynostemae contains over 50 saponins which are useful for the health of human being and a plurality of vitamins and amino acids and has the functions of lowering blood pressure and blood lipid, anti-aging, curing insomnia, increasing appetite and digestion, purging intense heat, losing fat and resisting cancer. The white tea of the invention is dipped in water for 30min at the proportion of tea to water of 1 to 30 at the temperature of 40DEG C and then is filtered to obtain the tea. The obtained tea is taken by rats with acute liver damage caused by feeding CCl4, and the result of pathological sections reveals that the white tea can effectively reduce the pathological damage to the liver cells caused by the CCl4. The results of biochemical component measuring shows that the maximum inhibition ratio of serum transaminase activity of the rat is 29.5 percent; and the inhibition ratio against peroxidized products of rat liver lipid is 41.1 percent and the rat liver glutathione is increased by 28.2percent.

A biological material comprising a continuous layer of cartilaginous tissue reconstituted in vitro which contains components associated with cartilage mineralization. The biological material may be cultured with a mineralizing agent to form a mineralized biological material. The mineralized biological material is characterized by having a biochemical composition and physiological organization substantially similar to the deep and contiguous calcified cartilage zones of articular cartilage found in animals in vivo. Methods for preparing the biological materials and methods of using the biological materials are described.

The invention discloses a cultural method of obtaining heterotrophic chlorella cells with a high protein content. The operating method comprises the following steps of: heterotrophically culturing chlorella to an initial period of a growing logarithmic phase by using a nitrogen deficiency modified BG11+ organic culture medium; centrifugally collecting the algae cells in a sterile condition; and transferring the algae cells to a nitrogen sufficiency modified BG11+ organic culture medium to be continuously cultured to an initial period of a stable period to collect the algae with the high protein content. On the premise of guaranteeing the heterotrophic high biomass of the chlorella, the method improves the protein content in the heterotrophic chlorella living bodies, so that the output of the proteins is improved; and moreover, the produced single-cell proteins are reasonable in biochemical composition, and amino acid components meet the nutritional demand on foods and feeds. The method disclosed by the invention provides a novel technical route for improving the output of the single-cell proteins. The process has the advantages of being simple in process, simple to operate, short in production period, high in product quality and the like, and is easy for scaled production.

The invention discloses a detecting method and device of biochemical compositions of soybean sauce based on an electronic tongue, a storage medium and equipment. The detecting method comprises the steps that a plurality of soybean sauce samples are obtained; aiming at the soybean sauce samples, the contents of the biochemical compositions in the soybean sauce samples are detected in advance; aiming at the soybean sauce samples, gustation parameter values of the soybean sauce samples are collected through the electronic tongue, and according to the obtained contents of the biochemical compositions and the gustation parameter values in the soybean sauce samples, the relevance of the contents of the biochemical compositions and the gustation parameter values of the soybean sauce is analyzed by a partial least square method, and a detecting model of the contents of the biochemical compositions of the soybean sauce is established; aiming at to-be-detected soybean sauce, gustation parametervalues of the to-be-detected soybean sauce are collected through the electronic tongue; and the gustation parameter values are substituted into the detecting model of the contents of the biochemical compositions of the soybean sauce, and the contents of the biochemical compositions of the to-be-detected soybean sauce are obtained. According to the detecting method and device of the biochemical compositions of the soybean sauce based on the electronic tongue, the storage medium and the equipment, the biochemical compositions of the soybean sauce can be detected rapidly and precisely.

The invention relates to compositions for vaginal or, alternatively, oral administration and to the use of such compositions for stabilizing the vaginal, or, alternatively, the intestinal acidity and establishing favorable conditions for the inhibition of pathogens and the growth of lactobacilli in the urogenital, or, alternatively, gastro-intestinal tract.

The invention belongs to the field of microalgae cultivation, and particularly relates to a method for cultivating microalgae by using CO2 as a carbon source. Tris is added into a microalgae cultivating solution containing the CO2 gas serving as the carbon source, so that the concentration of the total inorganic carbon source in the cultivation solution is obviously increased, and the biological yield of the microalgae is increased. Particularly in the cultivation solution in which the macroalgae with the pH value of 6-8 grows properest, according to the method, higher CO2 utilization rate can be guaranteed; meanwhile, the added Tris cannot be consumed by microalgae cells, so that a repeated carbon fixing effect can be achieved, and the economic property is improved. Compared with mono ethanol, Tris nearly does not have a harm effect on the microalgae; when the adding final concentration is 2-8 mmol / L, the biomass yield is increased; furthermore, when the adding final concentration is 4-6 mmol / L, the increase degree is the largest; meanwhile, the biochemical composition of the microalgae cells cannot be affected by the Tris.

The invention relates to a preparation which can defer senility, improve heart and brain functions and benefit longevity and a preparation method thereof. The preparation comprises a grape seed extract, a ganoderma extract and starch. The preparation method is as follows: grape seeds are hydrolyzed by purification and enzymolysis process to prepare the grape seed extract, a capsule is made by mixing the grape seed extract with the dried powder of the ganoderma extract, the starch, etc. By hydrolyzing the starch with purification and enzymolysis process, the preparation of the invention is characterized by mild reaction, simple process, short production cycle, maximizing the preservation of the effective components and fully improving the medicinal value. The preparation of the invention is made by using the grape seed extract, the ganoderma extract and the starch that can defer senility, which activates blood and promotes the circulation of qi and is applicable to diseases caused by stagnation of qi and blood stasis; by eliminating free radicals in human body, the biochemical components inside and outside cells are protected from being attacked by the free radicals, the life of the cells is prolonged, endocrine is regulated, gastrointestinal digestibility is improved, appetite is promoted, thus achieving the purposes of improving heart and brain blood vessels, defer senility and benefiting longevity.

The invention regards a biochemical composition obtained after separating microbes and solid, fibrous matter from a microbial ecosystem (=microbiota) by removing the microorganisms from a growth medium in which intestinal microbiota and / or faeces have been anaerobically cultivated and freeing the medium from the microbiota and the use thereof as a pharmaceutical and for the treatment or prophylaxis of diseases.

The present invention relates to a chemical fertilizer, in particular to a highly efficient biological fertilizer and the preparation method. The present invention provides a novel fertilizer of biochemical composition. The fertilizer is made of mineral, phosphorus pentoxide (P2O5), ammonium nitrate (NH4NO3), potassium oxide (K2O), leaf of herb plants, water, air and so on. The fertilizer uses organic fertilizer as the main component. Organic herbs are fermented by chemical drugs; the components conducive to soil is changed to be in a small insoluble state; thus the soil decomposition is improved; at the same time, the fertilizer ahs the characteristics of no deposition in soil and no hardening of soil. Without eliminating effects of compounds, the rapid fermentation can form dejecta and the novel processing technology of advanced technical combination of organic fertilizer and chemical fertilizer is used. The present invention has the advantages of simple manufacturing process, good stability, high efficiency, good quality, energy-saving and economical performances, low prices, rich nutrition and so on.

Methods for assessing the potential efficacy of a DNA-damaging agent as a tumour treatment or for monitoring the efficacy of such treatment by determining promyelocytic leukemia protein nuclear body (PML NB) properties of the tumour are disclosed. PML NB properties, including morphology, number and biochemical composition, of cells or tissue are assessed following exposure to a DNA-damaging agent and compared to corresponding PML NB properties of cells or tissue not exposed to the DNA-damaging agent. The difference, or lack thereof, determines the efficacy of the DNA-damaging agent as a treatment for tumours or monitoring the efficacy of such treatment.

The invention discloses a biochemical composition for treating intractable skin disease fungi, and the ointment comprises the following effective components: 0.4 mg / g of mucopolysaccharide polysulfate, 0.4 mg / g of ketoconazole and 0.05 mg / g of clobetasol propionate. The ointment provided by the invention has no side effect, and can quickly inhibit and eliminate pathogenic bacteria in an active period and thoroughly kill pathogenic bacteria in a dormant period. The ointment is applied to an affected part twice a day and is continuously used for 8 days, so that intractable pruritus ani, intractable groin pruritus and intractable beriberi are prevented from relapse within 360 days.

The invention relates to the technical field of three-dimensional culture and analysis of tumor cells, and particularly discloses a method for constructing a glioma in-vitro 3D culture and analysis system and an application. The method comprises the steps that matrigel is prepared based on intracerebral components and elastic modulus, glioma tumor multicellular spheres obtained after hanging drop culture are embedded into the matrigel, and high-content cell imaging is combined for detection and quantitative analysis, so that the glioma in-vitro 3D culture and analysis system is obtained. According to the method for constructing the culture and analysis system, the biochemical composition and elasticity modulus of the matrigel are closer to the actual situation of the brain, the cell migration process in the model theoretically better conforms to the actual migration characteristics of glioma cells in the brain compared with a common scratch experiment and a Transwell experiment for detecting the cell migration ability at present, more information dimensions can be provided in the process of detecting the cell migration ability, and model support can be better provided for quantifying the migration ability of glioma cells and deeply exploring a glioma migration related mechanism.

The invention discloses a sampling device. The sampling device comprises a cup body and detection test paper arranged in the cup body, wherein the cup body is provided with a closing section with an opening gradually reduced towards the outer side of the opening of the cup body. The sampling device integrates urine sample collection and detection, the concentration content of each biochemical component in urine can be judged by directly observing the display color of the detection test paper, the urine can be effectively prevented from being splashed to the outside during urine sample collection, the step of transferring the collected urine to a test carrier is not needed, accidental contact with the urine is effectively avoided, the environment is not easily polluted, and the sampling device is simple and rapid to operate, sanitary and safe.

The subject invention provides multi-functional biochemical compositions, as well as their use in enhancing oil recovery by, for example, enhancing traditional acid treatments. Advantageously, the compositions and methods of the subject invention are operationally-friendly, cost-effective, and environmentally-friendly approaches to enhancing oil recovery. More specifically, in preferred embodiments, the subject invention provides a multi-functional composition for enhanced oil recovery (EOR) comprising one or more concentrated acids that work in synergy with a combination of one or more surfactants, one or more chelating agents, and one or more solvents to stimulate the flow of oil from a formation.

The invention discloses a detection test piece, a manufacture method thereof and a detection apparatus. The detection test piece is used to detect the content of biochemical compositions in a detected sample, and comprises an insulating base plate, an electrode layer arranged on the insulating base plate, a reaction layer disposed on the electrode layer, and an amplification circuit formed on the insulating base plate; the electrode layer comprises an anode part and a cathode part; two ends of the anode part form a working electrode and an anode contact joint, and two ends of the cathode part respectively form a reference electrode and a cathode contact joint; the reaction layer is contacted with a detection body and generates a chemical reaction, and the reaction layer covers the working electrode and the reference electrode and is in connection individually with the working electrode and the reference electrode; and the amplification circuit is electrically coupled between the working electrode and the anode electrode, so as to amplify an electron signal generated by the chemical reaction and output by the working electrode. According to the detection test piece, the noise-to-signal ratio of the front end of the detection test piece is improved, an amplification circuit in a signal processing device of a detection apparatus is omitted, and the system configuration and the integral cost of the signal processing device of the detection apparatus are simplified.