197 results about "Sodium nitroprusside" patented technology

The invention discloses a foliar nutrient special for tea-oil trees and an application thereof. The effective components of the foliar nutrient special for the tea-oil trees comprise calcium chloride, potassium nitrate, potassium chloride, MgSO4.7H2O, monopotassium phosphate, boric acid, FeSO4.7H2O, Na2-EDTA.2H2O, inositol, glycine, L-phenylalanine, L-glutamine, sodium nitroprusside, 6-BA and IAA. Before fruit of the tea-oil trees matures, the foliar nutrient is applied to the leaf surfaces of tea-oil trees, drop of immature fruit of the tea-oil trees can be effectively reduced and prevented, and the tea-oil tree yield is greatly improved.

The invention relates to a technology for enriching soybean sprout isoflavone. The technology adopting physiologically active soybean grains as a raw material comprises the following steps: disinfecting the raw materials in an aqueous sodium hypochlorite solution through a known method, placing the disinfected raw material in purified water with according to a ratio of 3-5:1 (v/w), immersing the raw material at 30 DEG C for 5 h, placing the immersed raw material in a germinator, and germinating the raw material at 30 DEG C; and continuously radiating medium wave ultraviolet lights (UV-B) (with the wavelength of 280-320 nm, the radiation distance of 30-50 cm and the radiation distance of 20-50 [mu]W.cm<-2>) on the germinated soybeans for 2-4 d in the germination period, and carrying out spray germination with a 0-15 [mu]M abscisic acid (ABA) and 0-3 mM sodium nitroprusside (SNP) mixed aqueous solution for 1-3 min every 1-4 h, wherein the flow amount of the above spraying liquid is 50-200 mL/min. The technology is simple to operate, and allows the content of isoflavone in the soybean sprouts to reach 4000-5500 [mu]g/g DW.

The invention discloses cold-resistant preparations for improving wheat's resistance to low temperature and cold damage and an application method thereof. The cold-resistant preparations include a seed-soaking cold-resistant preparation and a foliar-spraying cold-resistant preparation, the seed-soaking cold-resistant preparation is composed of disodium hydrogen phosphate, potassium dihydrogen phosphate, betaine, nitro ammonium humate and sodium nitroprusside, and wheat seeds are added into the seed-soaking cold-resistant preparation for soaking for 8-12h before seeding; the foliar-spraying cold-resistant preparation is composed of disodium hydrogen phosphate, potassium dihydrogen phosphate, sucrose, urea, betaine, nitro ammonium humate, sodium nitroprusside and surfactant, and foliar spraying is performed for 1-2 times after wheat seedlings green back at spring of the next year and/or when booting starts to prevent low-temperature late spring coldness. The cold-resistant preparations can effectively improve tolerance of wheat to cold temperature and cold damage, so that the wheat can have strong growing trend at low temperature, maintain high photosynthesis assimilation performance when encountering low temperature and cold damage at early spring and acquire high yield.

The invention discloses application of artemisinin and derivatives thereof in preparing medicaments for preventing and treating neurological diseases. In the application, the nerve cell line of rat adrenal pheochromocytoma PC12, retinal nerve cell line RGC-5 and primary cortical neuron are on behalf of experiment objects, sodium nitroprusside and hydrogen peroxide are used to simulate and induce oxidative stress, cell apoptosis and other cell injuries of nerve cells. Researches discover that the artemisinin has a protective effect on sodium nitroprusside and hydrogen peroxide induced cell injury, the protective effect mechanism of the artemisinin and derivatives thereof is primarily discussed, and results indicate that the artemisinin and derivatives thereof can be used as nerve protection medicaments for preventing and treating various neurological diseases, such as various neurodegenerative diseases, acute and chronic neurodegenerative diseases, neurological eye disease and the those neurological diseases mainly related to oxidative stress injuries and cell apoptosis. The application brings a new direction to treatment and prevention of neurological diseases.

A medical device includes a structure configured for introduction to a vascular system of a patient. The structure including a surface having sodium nitroprusside and silver disposed thereupon. The sodium nitroprusside has a concentration sufficient to reduce thrombosis. To make the medical device, a base material is impregnated with sodium nitroprusside, the medical device is formed from the base material, and the medical device is coated with an antimicrobial agent.

The invention discloses a sodium nitroprusside-conjugated medicine-carrying prussian blue analogue nano-photothermal therapeutic agent and a preparation method thereof. The particle size of the sodiumnitroprusside-conjugated medicine-carrying prussian blue analogue nano-photothermal therapeutic agent prepared by a hydrothermal reaction method is 205.4nm, and passive targeting can be achieved by means of an enhanced permeability and retention (EPR) effect of a tumor site. Under the illumination of near-infrared laser, the nano-photothermal therapeutic agent can not only induce photothermal ablation of tumor cells through excellent photothermal conversion efficiency, but also can control NO release, thereby improving the EPR effect and increasing intratumoral delivery of nanoparticles. Furthermore, the NO can also inhibit tumor progression by inducing apoptosis of the tumor cells, preventing angiogenesis, reversing multidrug resistance, and the like. On the other hand, due to the structural difference between sodium nitroprusside and potassium ferricyanide, the lattice defects of the nanoparticles are caused, and the drug loading capacity of the nano-photothermal therapeutic agent is accordingly increased. Therefore, after chemotherapeutic drugs are carried, under the irradiation of near-infrared light, the nano-photothermal therapeutic agent can realize dose-controlled NO release and phototherapy and chemotherapy combined oncotherapy. In addition, the sodium nitroprusside-conjugated medicine-carrying prussian blue analogue nano-photothermal therapeutic agent provided by theinvention also has good photothermal stability and certain photoacoustic contrast properties.

The invention relates to a testing agent for detecting ammonia nitrogen in water. The testing agent comprises A, B two packages, wherein the A is packaged by grinding and mixing sodium tartrate, natrium salicylicum, citric acid trisodium and nipride; the B is packaged by grinding and mixing sodium-hydroxide, lithium hydrate, citric acid trisodium, babysafe, symclosene and symclosene. When use the testing agent, adding a pack of A into sample water, adding a pack of B after placing 2 minutes, the water will display blue-green color if there's ammonia nitrogen in the water, and the darkness of the color is in proportion to the concentration of the ammonia nitrogen; placing 10 minutes, comparing it with the standard color matching card, color matching disc to read the concentration of the ammonia nitrogen in the water.

The invention relates to a sodium nitroprusside synthesis processes, wherein potassium nitroprusside and copper sulfate pentahydrate are adopted as reaction raw materials and are subjected to a reaction under a suitable reaction condition to generate copper nitroprusside, the copper nitroprusside reacts with sodium bicarbonate to generate sodium nitroprusside, and concentration crystallization, centrifugation and vacuum drying are performed after the complete reaction to obtain the product. The synthesis process has characteristics of simpleness, easy operation, high product purity, and high yield, and is suitable for industrial production.

The present invention pertains to the agricultural technical field, relating to the application of sodium nitroprusside in drought resistance of crops. Sodium nitroprusside is confected into 10 to 30mg/L aqueous solution and then irrigated into roots or sprayed on leaves of crops. The crops processed by sodium nitroprusside in the seedling period can obviously improve the drought resistance, and after one week of natural drought, the water content still maintains high and the growth is recovered after drought rehydration. In addition, sodium nitroprusside can significantly promote the growth of wheat lateral root and plays an important role in improving the plant-root water absorption.

This invention relates to the medicinal composition for prevention and cure of intracranial hypertension, which contains piracetam (1-acetamido-2ketone-pyrrolidine) and the carrier tolerable to pharmaceutics. It can further contain osmotic diuretic such as mannitol,etc.; or anti-tissue exuedative medicine such as esculin sodium; or the medicine such as nitroglycerin, sodium nitroprusside, etc. used for resulting in controllable hypotension.

The invention provides a compound conditioning agent for delaying senility of leaves of wheat and/or improving yield, an application of same and a medicament comprising same, wherein 1 kg of the compound conditioning agent includes: 20-40 mg of sodium nitroprusside, 200-400 mg of salicylic acid, 22000-50000 mg of monopotassium phosphate, and the balanced being water. The compound conditioning agent can delay the senility of leaves of wheat and/or improve the yield of wheat, and has excellent technical effects.

The invention relates to cutting flower fresh-keeping technology, and provides a preparation method and inhibitor for suppressing fresh cutting flower aging using sodium nitroprusside as main material. The inhibitor consists of sodium nitroprusside, dispersant, damping agent, stabilizer and stuffing, each ingredient being in mass percent : sodium nitroprusside 60-80%, dispersant 2.0-5.0%, damping agent 0.5-5.0%, stabilizer 1.0-2.0% , balance being stuffing. The preparation method of the inhibitor adopt attritioning technique. The inhibitor of the invention for suppressing cutting flower aging can delay the aging, adjust the growth and development after cutting, and prolong the shelf life of cutting flower, reduce the damage when in storing and transport.

The invention discloses a reagent for quickly testing the content of ammonia and nitrogen in a water sample. The reagent comprises three packages A, B and C, wherein the package A comprises the following raw materials: 400 g to 600 g sodium salicylate, 400 g to 600 g sodium potassium tartrate and 10 g to 20 g sodium nitroprusside, the reagent is added into a mortar to be fully ground and then is sub-packaged to be 100 mg per tube; the package B comprises the following raw materials: 100 g to 200 g sodium hydroxide, the volume of a volumetric flask is set to be 1000 ml, and the reagent is sub-packaged to be 10 ml per flask; the package C is a sodium hypochlorite solution of 10 ml per bottle. A method for quickly testing the content of ammonia and nitrogen in the water sample comprises the following steps: when the water sample is tested, adding 0.05-0.1 ml of the reagent B into a tube of the package A, adding 2-4 ml of the water sample to be tested and 0.05-0.1 ml of the reagent C in sequence, shaking well, standing at the room temperature of 25 DEG C for 5-10 minutes, observing the color change, and comparing with a standard color card to read out the ammonia and nitrogen concentration of the water sample to be tested.

The present invention discloses a plant growth regulator for improving the growth characteristics of dry land wheat in the jointing stage, which contains 83 to 93 percent of sodium nitroprusside SNP and 17 to 7 percent of cytokinin 6-BA by weight percentage. The regulator can be quickly absorbed by roots or leaves, thus improving the physiological and ecological drought resistance of dry land wheat and laying a solid foundation for stable and high wheat output. In addition, the regulator also has the advantages of low use cost, less dosage, no residue, no environment pollution, simple use and easy access to wide promotion.

The invention relates to a crop protective agent for relieving Cd damage, a preparing method thereof and an application thereof. The crop protective agent for relieving the Cd damage is prepared from trehalose, calcium chloride and sodium nitroprusside. The invention further discloses the preparing method of the crop protective agent for relieving the Cd damage and the application of the crop protective agent to relieving influences of Cd on seed germination and seedling early-stage growing of crops. The crop protective agent for relieving the Cd damage is pertinently added in the seed germination process and the seedling growing process according to the Cd stress-response intervarietal difference of seed germination and the physiological basis of the Cd stress-response intervarietal difference, seed germination, root growth and sprout growth can be effectively promoted accordingly, the activity of amylase and the activity of antioxidant enzymes can be improved, the content of the Cd in plant bodies can be reduced, and bases and references can be provided for reasonably using Cd-contaminated soil, preventing early-stage damage to the crops and improving the safety of plants grown on the contaminated soil.

The invention discloses a rapid detection kit of urea. The rapid detection kit comprises a reagent I, a reagent II, a reagent III and a reagent IV, wherein the reagent I comprises EDTA disodium and trehalose; the reagent II is urease; the reagent III comprises anhydrous citric acid, sodium salicylate and sodium nitroprusside; the reagent IV comprises lithium hydroxide, dichlord isocyanurice acid and anhydrous sodium sulfate. According to the detection kit and a detection method, the interference of copper ions and residual chlorine in water of a swimming pool to a detection result can be effectively shielded, the measuring range is 0.5mg/L-8.0mg/L, the detection time is about 20 minutes, and the guarantee periods of the reagents at the room temperature are long; the kit is high in accuracy, strong in specificity, good in stability, convenient, and rapid and is applicable to the spot rapid detection of the swimming pool, and the detection result is close to that by adopting a national standard method, so that the kit has a good application prospect.

The invention discloses an oil-in-water type sodium nitroprusside-garlic oil nanoemulsion antihypertensive drug. The nanoemulsion antihypertensive drug has a particle size in a range of from 15.7 to 50.4 nm and an average particle size of 32.9 nm. Raw materials for the drug comprise, by mass percentage, 1% to 20% of sodium nitroprusside, 10% to 35% of surfactant, 0 to 25% of cosurfactant and 1% to 20% garlic oil, with the balance being distilled water, wherein the sum of the mass percentage of the raw materials is 100%. Nanoemulsion provided in the invention has small and uniformly-distributed emulsion droplet particles, low viscosity and good fluidity. In the dosage form of nanoemulsion, the water-soluble drug sodium nitroprusside and fat-soluble garlic oil are organically combined together, which improves the solubility and permeability of garlic oil and the stability and efficacy of sodium nitroprusside. When the dosage form of nanoemulsion is prepared from sodium nitroprusside and garlic oil, the advantages of both sodium nitroprusside and garlic oil are combined; therefore, an antihypertensive effect of the drug provided in the invention is obviously improved, the half life of the drug is prolonged, and administration frequency is reduced.

The invention provides a tobacco seed primer, a preparation method of the tobacco seed primer, and a tobacco seed priming method, and relates to the technical field of plant cultivation. The tobacco seed primer provided herein is made from calcium chloride, gibberellin, betaine, proline, salicylic acid, sodium nitroprusside, and trehalose. The tobacco seed primer is capable of enhancing the resistance of tobacco seeds to low temperature stress, drought stress and low temperature and drought cross-stress, and is effective for increasing emergence rate of tobacco seeds and the quality of seedlings. In addition, the invention provides the preparation method of the tobacco seed primer; by dissolving calcium chloride, gibberellin, proline, salicylic acid, trehalose, betaine, and sodium nitroprusside sequentially in water, it is possible to effectively ensure the priming effect of the primer. In addition, according to the priming method of tobacco seeds provided herein, by using the tobacco seed primer provided herein, it is possible to enhance the cold resistance and drought resistance of tobacco seeds.