363 results about "Carcainium Chloride" patented technology

The invention relates to an amorphophallus glucomannan drying agent which consists of amorphophallus glucomannan, propenoic acid, sodium hydroxide, ethanol, hydrochloric acid, potassium persulfate, N,N-methylene-bisacrylamide, calcium chloride and water. The preparation method of the drying agent comprises the steps of: preparing deacetylation amorphophallus glucomannan and deacetylation amorphophallus glucomannan-propenoic acid copolymer; mixing the deacetylation amorphophallus glucomannan and the deacetylation amorphophallus glucomannan-propenoic acid copolymer according to a proportion; andcrushing and pelleting after expansion. The drying agent has the advantages of reasonable formula, low cost, strong water absorption, safety, no toxicity, no harm to skin and eyes, biodegradability and the like, and can be widely applied to the fields such as food, medicine, chemical industry and the like.

Embodiments relate to methods and formulations of buffers used for isolating, purifying, and recovering long-chain and short-chain nucleic acids. The areas of application of the inventive method include all laboratories engaged in isolating nucleic acids. In one embodiment a solution containing a nucleic acid is prepared with additives containing monovalent and multivalent cations and, optionally, an alcohol and/or additional additives. The solution is contacted with a solid phase, the solid phase is optionally washed, and the nucleic acid is removed. The solution may contain multivalent and/or monovalent cations and may contain an alcohol. The solution in certain embodiments has a pH between 7 and 10. Ammonium chloride, sodium chloride and/or potassium chloride may be used as monovalent salt components. Magnesium chloride, calcium chloride, zinc chloride and/or manganese chloride may be used as multivalent salt components. In a preferred embodiment, identical molar amounts of sodium chloride and manganese chloride are used.

A synthetic method for aliphatic alpha-calcium picrolonate comprises the following steps: 1. adding carbonyl group reactant in glycolylurea in the presence of catalytic accessory and water and heating, wherein the mol ration of the glycolylurea and the carbonyl group reactant is 1:1.2-1.4; the carbonyl group reactant is aldehyde compound or ketone compound; when aldehyde compound is adopted the catalytic accessory is potassium bicarbonate, and when ketone compound is adopted the catalytic accessory is ethanolamine; 2. cooling to the room temperature, regulating the pH valve to 7 and separating out the intermediate product; 3. filtering and washing the intermediate product; 4. stirring and refluxing the intermediate product and sodium hydroxide solution, wherein the mol ratio of the intermediate product and sodium hydroxide is 1:3-5; 5. regulating the pH value to 4-5, antiregulating the pH value to 7 with the sodium hydroxide solution, and evaporating to remove the moisture; 6. adding absolute methyl alcohol to extract for several times and filtering; 7. distilling to remove the methyl alcohol; and 8. adding de-ionized water and aqueous calcium chloride solution of equivalent amount and separating out alpha-calcium picrolonate. As massive subsidiary products are removed in the method, the calcium content in the prepared product can achieve the standard.

The invention relates to a nano-micro drug delivery system and a preparation method of a slightly soluble drug of 10-hydroxyl camptothecin (HCPT). The invention makes use of alginate to dissolve HCPT under alkalic condition; then acidic calcium chloride miniemulsion is added to the prepared uniform HCPT-containing emulsion to have crosslinking and curing reactions; at the time when the emulation droplets cure, the HCPT constellation is partially transformed, so that the HCPT crystallize; and then, an acidic chitosan solution or an acidic chitosan derivative is used for secondly curing so as to let the HCPT to crystallize further more. The product prepared through the method is a composite alginate chitosan microsphere or a micro-capsule drug delivery system loaded with HCPT with uniform size and stable dispersion. The nano microspheres of the system have uniform grain size and stable dispersion and the drugs in the nano microspheres exist in the form of closed-loop medicinal nanocrystalline. The invention can realize the increase of solubility of indissolvable drugs and the improvement of bioavailability and effectively improves the encapsulation rate of the indissolvable drugs.

The invention provides a material for desensitizing teeth by sealing dentinal tubules. The material comprises the following raw materials in parts by weight: 30-60 parts of carboxymethyl chitosan, 5-10 parts of dipotassium phosphate, 10-20 parts of calcium chloride, 24-48 parts of lysozyme and 12-24 parts of water. Through an electrostatic acting force between the carboxymethyl chitosan and the lysozyme, a carboxymethyl chitosan and lysozyme containing nanogel is formed, the nanogel stabilizes calcium ions and hydrogen phosphate ions in a calcium phosphate solution, and the formed desensitizing material is in the form of rigid solid spheres containing nanometer amorphous calcium phosphate particles. Experiments prove that the desensitizing material is simple and convenient in preparation method and can penetrate into the dentinal tubules to achieve rapid desensitization and mineral crystals are formed and are firmly combined with the surfaces of the teeth; the newly formed crystals cancover the dentinal surfaces; the desensitizing material is good in biocompatibility, low in allergenicity, non-toxic, non-irritant, wide in clinical application range and ideal in using effect.

The invention discloses a selective culture medium used for the quantitative detection of bacillus. Each litre of the selective culture medium comprises the following components: 1-10g of glucose, 1-5g of yeast extract, 5-10g of tryptone, 0.2-2g of calcium chloride, 0.1-1g of magnesium sulfate, 15-20g of agar and 100-500IU of bacteriostatic agent. Through variable temperature cultivation, the selective culture medium adopts can be used to increase the selectivity of the conventional plate counting method to bacillus, eliminate the influences of other microorganisms or impurities in s sample to be detected and achieve the aim of detecting bacillus fast and quantitatively.

The invention belongs to the technical field of water treatment, and particularly relates to sustained-release nano-calcium peroxide materials, preparation thereof, and a method for removing chlorohydrocarbon and benzene series from underground water by strengthening and activating the sustained-release nano-calcium peroxide materials through ferrous sulfide. By taking calcium chloride, hydrogen peroxide with the mass fraction being 30% and ammonium hydroxide with the mass fraction being 30% as raw materials and by adding different dispersing agents, an irreversible coagulation phenomenon is avoided in the synthesis process, then by adding different macromolecular polymers such as polyethylene glycol 400 (PEG400), polyvinyl alcohol (PVA) and diethylene glycol monoethyl ether (DEGMME), a film is formed on the surface of nCaO2, and through processes such as washing with water and ethyl alcohol and vacuum drying, the sustained-release nano-calcium peroxide advanced oxidation materials embedded with the various macromolecular polymers are obtained. By applying the oxidation materials, the purposes of efficient and lasting treatment of pollutants and lowering of the repair cost of the underground water in contaminated sites are achieved.

The invention relates to self-flowing para-phenylene terephthalamide and a preparation method thereof. The preparation method comprises the following steps of: 1) dissolving p-phenylenediamine with a sulfonic acid group and lithium chloride or calcium chloride serving as an additive in a solvent to prepare a solution, keeping the temperature of the solution between 80 and 100 DEG C, adding a paraphthaloyl chloride solution into a constant pressure funnel, reducing reaction temperature for 1 to 8 minutes, and adding paraphthaloyl chloride into the solvent containing the p-phenylenediamine for reacting with quick stirring in the presence of inert gases; and 2), adding alkali into the solution for reacting, adding a quaternary ammonium salt solution for reacting, and performing synthetic reaction for 5 to 7 hours to obtain the self-flowing para-phenylene terephthalamide, wherein molecular weight is 2,000 to 40,000, the temperature of thermal decomposition is 400 to 600 DEG C, and the self-flowing para-phenylene terephthalamide can be dissolved in water and most organic solvents. According to aramid fibers prepared from the self-flowing para-phenylene terephthalamide, the break elongation is 2 to 4 percent, the compression strength is 0.02 to 1.29 GPa, the tensile strength is 1,000 to 6,000 MPa, and the modulus of elasticity is 1 to 1.6 Mpa. The method is mild in polymerization reaction and high in controllability; and a structure of quaternary ammonium salt is changed, and the dissolution performance of a polymer can be regulated.

The present invention relates to a cooling agent, and medicated ice-bag with said cooling agent and its application method. The cooling agent of said medicated ice-bag is a compound liquor whose composition contains (by volume ratio) 20% of absolute ethyl alcohol, 10% of glycerol, 20% of calcium chloride, 10% of sodium chloride, 1% of berberine and 39% of water. It does not ice at 55 deg.C below zero, and it is made into a flocculent material, its thermal eapacity is 2 calorie/g/deg.C, and it can absorb lots of heat quantity.

The invention discloses a fabric softening conditioner, which comprises the following components: 6-10 parts of dioctadecyl dimethyl ammoninm chloride, 5-9 parts of polyoxyethylene alkyl ether, 8-15 parts of methylol cellulose, 1-4 parts of sodium tripolyphosphate, 1-3 parts of diethanolamine stearate, 4-6 parts of emulsifier, 0.1-0.3 parts of calcium chloride and 40-60 parts of water. The invention has the advantages that the decontamination and antistatic treatment can be simultaneously performed while washing, so that the labor amount and the water resources can be saved, the washing time can be reduced, and the clothes after washing are soft and smells good.

The invention relates to a medicine for curing chronic renal failure and a production method thereof, which is characterized in that the medicine is calcium-base samoite excluding K+, Na+, Mg2+ and other exchangeable cations. The preparation method includes immersing the samoite in calcium chloride solution and then exchanging ions. After oral administration, toxins in the alimentary tract of patients with chronic renal failure is absorbed by samoite of the medicine and then discharged out of the body along with intestinal peristalsis, thus achieving intestinal hemodialysis. While absorbing and fixing the toxins in the alimentary tract, the calcium-base samoite has no side effect on patients of Na and K restriction without releasing K+, Na+, Mg2+ and other exchangeable cations.

The invention discloses phenyl vinyl MQ resin and a preparation method thereof. The phenyl vinyl MQ resin is prepared by sequentially adding, by weight, 40-50 parts of tetraethoxysilane, 12-17 parts of hexamethyldisiloxane, 33-66 parts of diphenyldimethoxysilane, 2.3-5.3 parts of hydrochloric acid, 8.87-10 parts of distilled water, 60-100 parts of solvent and 5-30 parts of ethyl alcohol into a container, raising the temperature to 60-80 DEG C, conducting stirring for 3-5 h at the constant temperature, adding hexamethyldisiloxane as extract liquor to obtain MQ resin mixed liquor, standing to achieve layering, adding a methylbenzene and potassium hydroxide aqueous solution to an obtained upper layer solution, conducting dehydration condensation polymerization for 3-4 h at the temperature of 90-100 DEG C to obtain an MQ resin methylbenzene solution, adding calcium chloride for drying after the pH value is regulated to 7, and then conducting vacuum filtration and reduced pressure distillation.

The invention provides a culture medium for phalaenopsis amabilis tissue culture. The culture medium comprises the following components: 1900 mg/L of KNO3; 1650 mg/L of ammonium nitrate; 170 mg/L of potassium dihydrogen phosphate; 370 mg/L of magnesium sulfate heptahydrate; 440 mg/L of calcium chloride dihydrate; 0.60-0.62 mg/L of KI; 4.5-4.8 mg/L of boric acid; 25.0-25.3 mg/L of manganese sulfate tetrahydrate; 7.0-7.2 mg/L of zinc sulfate heptahydrate; 0.20-0.22 mg/L of sodium molybdate dihydrate; 0.025 mg/L of copper sulfate pentahydrate; 0.025 mg/L of cobalt chloride hexahydrate; 37.25 mg/L of Na2.EDTA; 27.85 mg/L of ferrous sulfate heptahydrate; 100 mg/L of inositol; 2 mg/L of glycine; 0.1 mg/L of thiamine hydrochloride; 0.5 mg/L of pyridoxine hydrochloride; 0.5 mg/L of nicotinic acid; 20-22 g/L of sucrose; 5-5.2 g/L of agar; 30-35 g/L of a banana juice; 3-5 g/L of a pear juice; 0.45-0.48 g/L of activated carbon; and a solvent being deionized water. With application of the culture medium to culture phalaenopsis amabilis, the survival rate is more than 96%, the bacteria infection rate is 2.7-2.8%, and the browning degree of the culture medium is 30-40% lower than that of an MS culture medium.

Belonging to the immobilized enzyme field, the invention discloses a preparation method for an immobilized 3-phenoxy benzoic acid degrading enzyme. The method includes the steps of: (1) centrifuging a Sphingomonas sp. SC-1 fermentation liquid, collecting thalli, mixing the thalli with a Tris-HCl buffer solution evenly, then conducting ultrasonic crushing under ice water bath, performing centrifugation to remove intracellular enzyme, adding the Tris-HCl buffer solution to cell debris deposits to a volume before crushing to make an enzyme solution; and (2) mixing the enzyme solution with a sodium alginate solution in certain proportion, dripping the mixed solution in a calcium chloride solution uniformly to perform embedding immobilization. The immobilized 3-phenoxy benzoic acid degrading enzyme prepared by the invention has high enzyme activity under a wide temperature range (4DEG C-40DEG C) and a wide pH range (5.0-9.0), and has strong continuous reaction performance. The preparation method is simple, and the production cost is low.

The invention relates to a waterproof material for water leakage repair and a preparation method thereof. The waterproof material comprises the following components in parts by mass: 3-15 parts of acrylamide, 0.01-0.04 part of calcium chloride, 0.04-0.09 part of methylene bisacrylamide, 0.1-0.7 part of triethanolamine, 0.01-0.08 part of sodium sulfite, 0.04-0.06 part of polyacrylamide, 0.2-2 parts of ammonium persulfate and 60-110 parts of water. The waterproof material provided by the invention has the advantages of being reasonable in material matching, low in manufacturing cost, convenient in production and processing and the like, and the prepared waterproof material is significant in waterproof performance.

The invention provides a lentinan calcium complex, and a preparation method and application thereof. The method comprises the steps of: adding a calcium chloride solution to an aqueous solution of lentinan with stirring, at 40-80 DEG C, regulating a pH value to 7-10 with sodium hydroxide, and continuously stirring for 1 h for a complex reaction; removing free calcium ions by a dialysis method; and concentrating and freeze-drying the lentinan compound solution to obtain the lentinan calcium complex with calcium content of 5.2mg / g. Compared with a blank group, the lentinan calcium complex can obviously promote mouse macrophage RAW264.7 to release immune factors, such as a tumor necrosis factor TNF-alpha and a cell factor IL-6. The preparation method of the lentinan calcium complex provided by the invention is simple and easy for practice. Besides, as an organic calcium, the lentinan calcium complex can also promote calcium absorption and improve immunity.

The invention relates to superconducting fluid and a vacuum radiator using the same. The superconducting fluid consists of potassium dichromate, calcium chloride, anhydrous ethanol, sodium perborate, boric acid, manganese dioxide, sodium peroxide, zinc hydroxide and distilled water. The invention further provides the vacuum radiator using the superconducting fluid, which comprises a plurality of radiating fins and a heat medium runner pipe arranged at the bottom parts of inner cavities of the radiating fins, wherein the plurality of the radiating fins are arranged in parallel and mutually communicated, vacuum pumping ports are arranged at the upper parts of the radiating fins, the superconducting fluid is arranged in the inner cavities of the radiating fins, and the height of each radiating fin is 950mm-1100mm. The superconducting fluid is inorganic, non-toxic to a human body, incombustible, and non-freezing at minus 40 DEG C, and can be gasified at 40 DEG C and not corrode metal; and the heat load of each column in the vacuum radiator is 170-200 watts, thereby being applicable to more places, having good indoor heat release effect, saving the number of the columns in the indoor radiator and simultaneously saving steel.

The invention discloses a method for preparing atorvastatin calcium. According to the method, a pyrrole ring is synthesized by performing Hantzsch reaction on a compound III and ethyl isobutyrylacetate; reaction conditions of a compound VI and a compound VII are mild; and a methanol-anhydrous calcium chloride system is adopted when calcium salt is generated, and atorvastatin calcium is generated finally. A product is high in purity and safety factor, energy consumption is low, yield is high, the reaction conditions are relatively mild, and separation is easy to realize.

A wood treating agent is prepared from the following raw materials in part by weight: 3-10 parts of phenol, 4-7 parts of melamine, 5-10 parts of potassium isopropoxide, 5-8 parts of calcium chloride, 3-8 parts of phosphoric acid, 3-5 parts of boric acid, 1-4 parts of zinc chloride, 6-10 parts of trimethyl borate, 7-10 parts of dodecyl dimethyl benzyl ammonium chloride, 5-9 parts of lignin, 4-8 parts of waterborne zinc stearate emulsion, 5-11 parts of sodium tripolyphosphate, 2-6 parts of folic acid, 3-9 parts of parachlorometaxylenol, 8-11 parts of bronopol, and 6-8 parts of sodium chlorate. The wood treating agent has the benefits that the wood treating agent has good corrosion prevention and insect prevention effects, can form a good breathable layer, and can prolong the service life of wood.

The invention provides a polypeptide molecular derivative with a mineralizing function for biomedicine tissue engineering and application thereof, and belongs to the technical field of biomedical materials. The polypeptide molecular derivative has a molecular structure general formula of X-X-Cys-Cys-Cys-Cys-Y-Y-Z-W-NH2; wherein X is Asn or glucoylated asparagine; Y is Arg or Lys; Z is Glu or Asp;and W is phosphorylated serine or phosphorylated threonine. The polypeptide molecular derivative provided by the invention can induce the oriented growth of apatite crystals to form a biological material with a structure similar to an organism sclerous tissues microstructure; can be automatically assembled to form 3D (three-dimensional) nanometer hydrogel under the induction of calcium chloride, so as to be applied to a scaffold material for bone tissue engineering or to 3D in-situ cultivation of cells; can be compounded with collagenous fiber to induce the mineralization of the collagenous fiber, so as to be applied to study on bone tissue regeneration, as well as to induce the mineralizing regeneration and repair of cementum and dentin.

The invention discloses a method of preparing a C3N4/CaTi2O4(OH)2 composite material through a solvothermal method. The method includes the following steps: 1) dissolving a titanium compound in an organic solvent, and uniformly stirring the solution to obtain a solution A; 2) dissolving calcium chloride in distilled water, adding an organic solvent, and uniformly stirring the solution to obtain a solution B; 3) dropwise adding the solution A to the solution B under stirring, and adding an alkaline solution to form a precursor CaTi2O4(OH)2; 4) uniformly mixing and stirring the precursor CaTi2O4(OH)2 with an organic solvent and distilled water to obtain a mixture solution C; and 5) adding C3N4 to the mixture solution C to obtain a suspension solution D, adding a strong-acid solution to the suspension solution D, and moving the mixture into a reaction kettle to perform a reaction, and washing and drying a product to obtain the C3N4/CaTi2O4(OH)2 composite material. The method has simple process, low cost and wide market space.