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695results about How to "Reduce synthesis" patented technology

Methods of use of inhibitors of phosphodiesterases and modulators of nitric oxide, reactive oxygen species, and metalloproteinases in the treatment of peyronie's disease, arteriosclerosis and other fibrotic diseases

ActiveUS20050085486A1Increasing NO levelReduce expressionBiocidePharmaceutical delivery mechanismFemale Sexual Arousal DisorderCyclase
The present methods and compositions are of use for treatment of conditions involving fibrosis, such as Peyronie's disease plaque, penile corporal fibrosis, penile veno-occlusive dysfunction, Dupuytren's disease nodules, vaginal fibrosis, clitoral fibrosis, female sexual arousal disorder, abnormal wound healing, keloid formation, general fibrosis of the kidney, bladder, prostate, skin, liver, lung, heart, intestines or any other localized or generalized fibrotic condition, vascular fibrosis, arterial intima hyperplasia, atherosclerosis, arteriosclerosis, restenosis, cardiac hypertrophy, hypertension or any condition characterized by excessive fibroblast or smooth muscle cell proliferation or deposition of collagen and extracellular matrix in the blood vessels and/or heart. In certain embodiments, the compositions may comprise a PDE-4 inhibitor, a PDE-5 inhibitor, a compound that elevates cGMP and/or PKG, a stimulator of guanylyl cyclase and/or PKG, a combination of a compound that elevates cGMP, PKG or NO with an antioxidant that decreases ROS, or a compound that increases MMP activity.
Owner:LOS ANGELES BIOMEDICAL RES INST AT HARBOR UCLA MEDICAL CENT

Genetically engineered bacterium for high-yielding L-valine and method for producing L-valine by fermentation

The invention provides a genetically engineered bacterium for high-yielding L-valine. A construction method of the genetically engineered bacterium comprises the steps that starting from an escherichia coli W3110, an acetolactate synthase gene alsS of a bacillus subtilis is integrated on a genome of the escherichia coli W3110 and subjected to high expression; an escherichia coli ppGpp 3'-pyrophosphoric acid hydrolytic enzyme mutant R290E/K292D gene spoT is integrated on the genome of the escherichia coli W3110 and subjected to high expression; genes of frdA, frdB, frdC and frdD of four subunits of a lactic dehydrogenase gene ldhA, a pyruvate formate lyase I gene pflB and fumaric reductase on the genome of the escherichia coli W3110 are knocked out; a branched chain amino acid transaminasegene ilvE of the escherichia coli is replaced with leucine dehydrogenase gene bcd of the bacillus subtilis; and an acetyl-hydroxyl acid isomerized reductase gene ilvC of the escherichia coli is replaced with an encoding gene of a mutant L67E/R68F/K75E. According to the genetically engineered bacterium for the high-yielding L-valine, an L-valine fermentation method is further modified. Double-phasedissolved oxygen control is adopted, and the L-valine yield and the saccharic acid conversion rate are improved.
Owner:TIANJIN UNIV OF SCI & TECH

Heat sensitive resistor for high Curie temperature BaTiO3 base positive temperature coefficient and its making method

The invention relates to a BaTiO3 group positive temperature coefficient thermistance and a preparation method thereof, wherein, the BaTiO3 group positive temperature coefficient thermistance has high Curie temperature. The invention belongs to the electronic ceramics technique. The recombination positive temperature coefficient thermistance is composed of main materials and assistant materials. The mol ratio of TiO2 and (BaCO3+SrCO3+Bi2O3+Na2CO3) of the main materials is 1:1. The mol components of the assistant materials are that Nb2O5 is 0.0011; TiO2 is 0.01; Sb2O3 is 0.0006; MnO2 is 0.0004; SiO2is 0.005; Al2O3 is 0.0017. The preparation process comprises that materials are weighed and mixed according to the mol prescription; the mixed materials are processed with ball milling after being added with water, and preparative complex materials are made through drying and heat preservation. The preparative complex materials are again added with raw materials, and then the preparative complex materials are processed with ball milling after being added with the water, thus the positive temperature coefficient thermistance is made through drying, granulation, foliation and baking. The invention has the advantages that the process of the composite (Na0.5Bi0.5)TiO3 is simple; the made positive temperature coefficient thermistance is unleaded and environment-friendly.
Owner:TIANJIN UNIV

Multifunctional compound fertilizer additive and preparation method thereof

The invention discloses a multifunctional compound fertilizer additive and a preparation method thereof. The preparation method comprises the following steps: uniformly spraying a compound amino acid complex solution of trace elements containing Fe, B, Mn, Cu, Zn and Mo, rare earth elements containing Ce and La and beneficial mineral elements containing Ni, Co and Ti on grass carbon, brown coal or weathered coal powder, airing or drying, and then crushing to obtain a material A; preparing dicyandiamide used as a nitrification inhibitor into an ammonia solution to be adsorbed on carboxymethyl cellulose used as a water retention agent, airing or drying, and then crushing to obtain a material B; mixing cobalt sulfide and molybdenum sulfide which are used as nitrogen fixation catalysts with bean cakes or corn starch to obtain a material C; and uniformly mixing the material A, the material B and the material C to obtain the additive. The multifunctional compound fertilizer added with the additive of the invention has the advantages of fixing nitrogen, dissolving phosphorus, enriching soil, reducing nutrient loss, improving nutrient utilization ratio, improving crop enzyme activity, promoting metabolism, improving crop quality, increasing crop yield, retaining water, saving water, resisting drought, regulating buffering acidity or saline-alkali soil, and improving soil structure.
Owner:GANSU AGRI MATERIALS

Flue-cured tobacco cultivation method fitting in with light environment of Yunnan tobacco-growing area

The invention discloses a flue-cured tobacco cultivation method fitting in with the light environment of the Yunnan tobacco-growing area and belongs to the technical field of tobacco plant cultivation. The flue-cured tobacco cultivation method comprises the following steps of float breeding, soil preparation and ridging, transplanting under film, management in film covering period and field management. The seeding time is from mid December to mid February, the float disc floating seedling method is adopted, and seeding hardening lasts for 8-14 days before transplanting; ridging is conducted after the soil is pulverized and moisture is stored, and inorganic fertilizer and cake fertilizer which is thoroughly decomposed are mixed to be applied to the field; the transplanting period is from mid March to mid April, the density of tobacco plants is 1000-12000 plant / mu, each tobacco plant is irrigated with 1.5-2.5kg root water after transplanting, and colored mulching film is covered; top dressing is conducted twice after transplanting, and seeding leading is conducted 15-25 days after the top of each tobacco seeding ejects the film; the mulching film is removed when the tobacco plants enter the mid of the vigorous growth period, earthing up, weeding and watering are conducted in time, and topping, leaf reserving and bifurcation removing are conducted. The flue-cured tobacco cultivation method can fitting in with the light environment of the Yunnan tobacco-growing area, the local light source can be utilized fully and reasonably, the quality of tobacco leaves can be improved, and the aroma style of the fen-flavor tobacco leaves is enhanced.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI

Specific clinical nutritional formula for anemia and preparation method thereof

The present invention relates to a special clinical nutritional formula for anemia. The nutritional formula comprises proteins, fats, carbohydrates, dietary fibers, macro elements, trace elements, vitamins, dietary essences, medicinal and edible ingredients, natural plant compounds and new resource food. The dietary essences comprise beef powder, pork liver powder, red date powder and cherry powder. The medicinal and edible ingredients comprise Chinese yams, Chinese wolfberry fruits, chicken's gizzard-membrane, haws, cloves, orange peels and honeysuckles. A preparation method comprises the following steps: each component is prepared into powder in advance, then the corresponding dosage forms are prepared, wherein the medicinal and edible ingredients are subjected to water extracting, concentrating is performed, the concentrated ingredients are spray-dried to prepare powder, and the vitamins and fats are subjected to microencapsulation treatment to prepare powder; or a wet method technology is used to conduct emulsifying and homogenizing on the ingredients, and the homogenized ingredients are spray-dried to prepare powder. Compared with the prior art, the nutritional formula can provide energy, key nutrients and essential trace elements for patients with anemia, and improves and treats anemia syndromes caused by insufficient nutrient intake and iron deficiency.
Owner:上海奥医生物医药科技有限公司

Method for rapidly preparing zirconium carbide ceramics powder

The invention relates to a preparation method of zirconium carbide ceramics powder; the method for rapidly preparing zirconium carbide ceramics powder is characterized in that: the method comprises the following steps: 1) raw material selection: the raw materials are selected according to 12:4-12:5 of mass ratio of zirconium propoxide solution and sugar and 8:32:1:1-8:64:2:4 of volume ratio of zirconium propoxide solution, normal propyl alcohol, chelant-acetic acid and water; the solvent acetic acid is selected according to (7-8)g:50ml of proportion of the sugar and the solvent acetic acid; 2) the preparation of dried gel power; 3) preparation of precursor powder; 4) heat treatment of the precursor powder; carbothermal reduction reaction is carried out under the conditions of high heating rate and short temperature preservation time, the synthesizing process of the zirconium carbide powder is shortened into dozens of minutes even several minutes, so as to obtain high-purity and refined zirconium carbide ceramics powder with good sintering character; single zirconium carbide phase can be analyzed by X-ray diffraction, the oxygen content in the product is 0.5-3 percent, and the free carbon content is from 0.2 to 2 percent; the crystal particles are uniform and tiny, and the mean grain size is less than 500nm.
Owner:WUHAN UNIV OF TECH

Gynura procumbens compound preparation as well as preparation method and application thereof

The invention belongs to the field of health beverages, and in particular relates to a gynura procumbens compound preparation as well as a preparation method and application thereof. The gynura procumbens compound preparation is characterized by being prepared from the following raw materials in percentage by weight: 75-85% of gynura procumbens, 5-10% of barley seedlings, 3-6% of common lophatherum herb, 2-5% of frostbitten mulberry leaves, 2-4% of kudzuvine root and 1-3% of poria cocos. The preparation method of the gynura procumbens compound preparation comprises the following steps: performing weighing, drying and small fire baking on gynura procumbens, then mixing with other weighed raw materials, and crushing. The preparation disclosed by the invention is safe, healthy and natural, has various effects of treating gout in multiple ways comprehensively, can play roles in adjusting uric acid metabolism, promoting excretion of uric acid, preventing uric acid crystallization, diminishing inflammation and relieving pain, and controlling arthralgia, swelling and inflammations in an attack stage of gout, also can be used for reducing the blood lipid and blood sugar and strengthening kidney metabolism, can be used for treating both symptoms and root causes and achieving the effects of preventing and treating gout, and has the characteristics of natural compounds and natural health maintenance; and the preparation method disclosed by the invention is simple and convenient, and can be used for keeping original components of the raw materials to the greatest extent.
Owner:袁丁
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