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556 results about "Glycogen" patented technology

Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals, fungi, and bacteria. The polysaccharide structure represents the main storage form of glucose in the body.

Three dimensional vaginal tissue model containing immune cells

Disclosed is a cervico-vaginal tissue equivalent comprised of vaginal epithelial cells and immune cells, cultured at the air-liquid interface. The tissue equivalent is capable of being infected with a sexually transmitted pathogen such as a virus (e.g., HIV), a bacteria, a helminthic parasite, or a fungus. The tissue equivalent is also capable of undergoing an allergic-type reaction or an irritant-type reaction. The tissue equivalent is characterized as having nucleated basal layer cells and nucleated suprabasal layer cells, and further as having cell layers external to the suprabasal layer progressively increasing in glycogen content and progressively decreasing in nuclei content. Immune cells of the tissue equivalent are primarily located in the basal and suprabasal layers. Also disclosed are methods for producing the tissue equivalent. The methods involve providing vaginal epithelial cells and immune cells, seeding the cells onto a porous support, and co culturing the seeded cells at the air-liquid interface under conditions appropriate for differentiation. One such method disclosed is for generation of the tissue equivalent in serum free medium. Specific cells from which the tissue equivalent is generated, and also specific preferred components of the medium in which the tissue equivalent is generated are provided. Also disclosed is a cervico-vaginal tissue equivalent produced by the methods disclosed herein.
Owner:MATTEK CORP

Quick starting method of SBR (Sequencing Batch Reactor) for synchronously denitrifying and removing phosphor

The invention discloses a quick starting method of an SBR (Sequencing Batch Reactor) for synchronously denitrifying and removing phosphor, and belongs to the field of sewage treatment. The quick starting method using a batch-injection chronological sequencing batch reactor comprises the following steps: (1), operating the SBR system under an anaerobic/aerobiotic alternation condition, and domesticating and enriching phosphorus-accumulating bacteria, so that the phosphorus-accumulating bacteria intake phosphor under the aerobiotic condition and release phosphor under the anaerobic condition; removing phosphate in water by removing mud; (2), changing an operating way of the system, and enriching denitrifying phosphate-accumulating organisms; increasing an anoxic zone and shortening the aeration time, so that the denitrifying phosphate-accumulating organisms utilize an intracellular carbon source and use nitrate/nitrite as an electron acceptor to intake phosphor; (3), adding a compound fungicide into the reaction, so that biological enhancement is repeatedly coupled with anaerobic/aerobiotic/anoxic/aerobiotic starting method, DPB (Denitrifying Phosphorus-removal Bacteria) are effectively proliferated, glycogen accumulating organisms are restrained, the starting time of the reactor is shortened, and the water outlet effect is improved. The starting way disclosed by the invention operates about 50 days in total, can be used for saving about 30 days and saving the aeration time by about 30% in comparison with an anaerobic/ aerobiotic/ anoxic starting method.
Owner:SHENYANG JIANZHU UNIVERSITY

Special diet for hyperglycemia patients

ActiveCN103404757AStable healthEffect on reducing the development of coronary heart disease-related conditionsFood preparationAcute hyperglycaemiaChinese traditional
The invention belongs to the technical field of medicine-food homologous formula food and particularly relates to special diet for hyperglycemia patients. The reason inducing hyperglycemia is that hepatic glycogen output is increased, too much high-fat food is ingested, the pancreatic islet function can not excellently secrete insulin, and then, the blood sugar content is increased. The traditional Chinese medical science always stresses that dietotherapy is better than medication, so as to avoid injection and medication and even pain of surgery. According to the special diet, whole grains are perfectly combined with medicine-food homologous and new-resource-food traditional Chinese medicines, and diet and health preserving are organically combined so as to regulate, prevent and resist hyperglycemia; probiotics are creatively utilized as a pioneer based on the inheritance of Chinese traditional Chinese medicine treasure treatment methods, and the proliferation of the probiotics is promoted, so that the movement functions of the spleen and stomach are enhanced; and meanwhile, various natural and original ecological medicine-food homologous edible materials are added according to the physical characteristics of hyperglycemia patients, so that the special diet has the unique advantage of integrated dietotherapy, prevention and regulation effects.
Owner:杭州劲膳美健康管理有限公司

Wastewater advanced denitrification apparatus and method employing single-stage SBBR (sequencing batch biofilm reactor) short-cut nitrification anammox coupled endogenous denitrification

ActiveCN106348439AAchieving synergistic couplingEfficient deep denitrification processWater treatment parameter controlWater contaminantsBiofilmNitrogen removal
A wastewater advanced denitrification apparatus and method employing single-stage SBBR (sequencing batch biofilm reactor) short-cut nitrification anammox coupling with endogenous denitrification belong to the field of wastewater bio-treatment. Wastewater enters a single-stage SBBR short-cut nitrification coupled endogenous denitrification reactor through a water pump; in anaerobic stirring phase, phosphorus-accumulating bacteria and glycogen accumulating organisms make use of an inorganic carbon source in raw water to store internal carbon sources; in hypoxic aeration stirring phase, ammonia oxidizing bacteria convert partial NH4<+>-N in the raw water into NO2<->-H, part of NO2<->-H is subjected to autotrophic nitrogen removal with the rest NH4<+>-N in the raw water via anammox effect, and the other part of NO2<->-H and little NO3<->-H produced in anammox are utilized by the phosphorus-accumulating bacteria and glycogen accumulating organisms in the subsequent anoxic stirring phase to provide endogenous denitrification. According to the method, by coupled application of short-cut nitrification, anammox and endogenous denitrification to wastewater bio-treatment, it is possible to provide wastewater advanced denitrification based on energy saving, and full utilization of carbon sources.
Owner:BEIJING UNIV OF TECH

Method for deep denitrification of metaphase landfill leachate through single-stage SBR (Styrene Butadiene Rubber) post denitrification treatment

The invention discloses a method for deep denitrification of metaphase landfill leachate through single-stage SBR (Styrene Butadiene Rubber) post denitrification treatment, which belongs to the technical field of sewage treatment by using biochemical process. Aiming at the characteristics that the landfill leachate is high in organism concentration, high in ammonia concentration, high in C/P ratio (grater than 200), the invention discloses a real-time control method with the combination of 'anaerobic/aerobiotic/anoxic' operation modes, and SBR post denitrification is achieved. Under long-term domestication, glycan bacteria (GAO) can be enriched, volatile organic acids (VFA (Volatile Fatty Acid)) in water are converted into poly-beta-hydroxy-alkanoic acid ester (PHA) through glycogen glycolysis at an anaerobic stage by using GAO, in an aerobiotic stage (the dissolved oxygen is less than 0.8mg/L), when partial nitrification is carried out, most part of PHA is converted into glycogen, and in the anoxic stage, the residual PHA and the glycogen are utilized to perform carbon source denitrification, so that the effluent meets the latest national emission standard. The method has the advantages of simple devices, rapid starting, freedom of external carbon source, good denitrification effect, simplicity in operation, low cost and the like.
Owner:BEIJING UNIV OF TECH

Municipal domestic sewage AOA mud-membrane mixed deep nitrogen and phosphorus removal system

The invention discloses a municipal domestic sewage AOA mud-membrane mixed deep nitrogen and phosphorus removal system, which comprises the following operation steps that municipal domestic sewage enters a biochemical system and is mixed with first reflux sludge in an anaerobic tank, phosphorus-accumulating bacteria and glycogen-accumulating bacteria in the sludge utilize a carbon source in raw water to synthesize an internal carbon source in vivo, then the sludge enters an aerobic zone, phosphorus-accumulating bacteria in the aerobic zone perform aerobic excessive phosphorus absorption to completely absorb phosphorus in the domestic sewage while activated sludge in the aerobic zone and nitrifying bacteria on a filler perform nitrification under the aerobic condition, at the moment, the mixed liquid and the sludge reflux to enter the anoxic zone, and the activated sludge and endogenous denitrifying bacteria on the filler perform deep denitrification on nitrate nitrogen in the sewage by utilizing an internal carbon source accumulated in the anaerobic zone. According to the invention, the system consists of a pretreatment unit, an AOA mud-membrane mixed reactor, a secondary sedimentation tank and a disinfection system, and the effluent reaches the four-class standard.
Owner:JIANGSU YULONG ENVIRONMENTAL PROTECTION

Extraction method of apostichopus japonicus body-wall total RNA

InactiveCN101864414AMeet Gene Expression AnalysisFulfil requirementsDNA preparationWater bathsTotal rna
The invention discloses a high-extraction-purity, good-integrity and high-yield extraction method of apostichopus japonicus body-wall total RNA (Ribonucleic Acid). The method comprises the following steps of: quickly freezing apostichopus japonicus body-wall tissue in liquid nitrogen; grinding and putting the frozen tissue in lysate to homogenate, centrifugate and take supernatant fluid; adding chloroform to the supernatant fluid and centrifugating to take the supernatant fluid to another centrifuge tube; then, adding a high-salt solution and isopropyl alcohol and filtering precipitation with ethanol; dissolving the precipitation with DEPC (diethypyrocarbonate) treated water to have constant volume; sequentially adding a DNA enzyme buffer solution without RNA enzymes, DNA enzymes without RNA enzymes and an RNA enzyme inhibitor to the dissolved solution to mix; carrying out a water bath at 37 DEG C to obtain DNA lysate; adding phenol and chloroform in a ratio of 5:1 to the DNA lysate to mix, centrifugate and take supernatant fluid; adding a glycogen solution, a potassium acetate solution and pre-cooling ethanol to the supernatant fluid; mixing and staying over night; centrifugating to discard the supernatant fluid; washing and dying the precipitation with ethanol; dissolving the solution with the DEPC treated water to have constant volume of 20 mu l; and storing at 80 DEG C below zero.
Owner:DALIAN OCEAN UNIV
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