摘要:
A novel nanoparticle and use thereof were provided in the present invention. In particular, the nanoparticle is used for delivering therapeutic component, such as oligonucleotide and hydrophobic drug.
摘要:
A controlled release system and manufacturing method is provided. The method comprises providing a first aqueous solution containing a hydrophilic drug and an alkaline agent, providing an organic solution containing a hydrophobic molecule, providing a second aqueous solution containing a hydrophilic surfactant, mixing the first hydrophilic solution with the organic solution to form a first emulsion, and mixing the first emulsion with a second aqueous solution to form a second emulsion containing delayed-release microsphere.
摘要:
The present invention provides a method for preparing a composition comprising porous ceramic, comprising the following steps: (a) synthesizing poly(N-isopropylacrylamide-co-methacrylic acid) (p(NIPAAM-MAA)) or similar thermo-response compound thereof; (b) mixing a dispersant with hydroxyapatite or calcium phosphate salt; (c) mixing the p(NIPAAM-MAA) of the step (a) or similar thermo-response compound thereof with water to obtain a hydrogel solution; (d) mixing the hydrogel solution of the step (c) and product of the step (b) to produce a mixture; (e) adding macromolecular particles to the mixture of the step (d) and stirring to produce a slurry; (f) filling the slurry of the step (e) into a template slot; and disposing the template slot filling with the slurry of the step (f) on a crucible, then proceeding high temperature sinter in a furnace to form the composition comprising porous ceramic.
摘要:
A controlled release system and manufacturing method is provided. The method comprises providing a first aqueous solution containing a hydrophilic drug and an alkaline agent, providing an organic solution containing a hydrophobic molecule, providing a second aqueous solution containing a hydrophilic surfactant, mixing the first hydrophilic solution with the organic solution to form a first emulsion, and mixing the first emulsion with a second aqueous solution to form a second emulsion containing delayed-release microsphere.
摘要:
A series of peptides with divergent confirmations including structures of formula (1A), (1B), (2) and (3) are provided. In the formula, wherein U, G, A, B, R1, R2 and T are as defined in the specification. The divergent peptides disclosed in the present invention are characterized in a mineral binding affinity function.
摘要:
A method for treating early-stage osteoarthritis in an animal is provided. The method comprises delivery of a therapeutically effective amount of a parathyroid hormone (PTH) or a PTH derived substance to an affected joint cavity of the patient. Methods for inhibiting articular chondrocytes apoptosis and for inhibiting a degenerative process of articular chondrocytes in an afflicted animal are also provided.
摘要:
A method for locally controlled release of an effective amount of PTH(1-34) by a hyaluronic acid based hydrogel that can injected intra-articularly for the treatment of osteoarthritis is provided.
摘要:
The present invention provides a method for producing a controlled release microsphere with mean average size greater than 50 μm, comprising preparing a water-in-oil (w/o) emulsion comprising an inner aqueous layer containing a pharmaceutically effective amount of a biologically active polypeptide with activity similar to parathyroid hormone, and an oil layer containing a polymer substance of poly(lactic-co-glycolic acid) (PLGA), then adding the w/o emulsion into aqueous polyvinyl alcohol (PVA) solution to form a water-in-oil-in-water (w/o/w) double emulsion and then desorbing the solvent in the oil layer. The present invention also provides a controlled release microsphere prepared by the method and use thereof.
摘要:
The present invention provides a method for producing a controlled release microsphere with mean average size greater than 50 μm, comprising preparing a water-in-oil (w/o) emulsion comprising an inner aqueous layer containing a pharmaceutically effective amount of a biologically active polypeptide with activity similar to parathyroid hormone, and an oil layer containing a polymer substance of poly (lactic-co-glycolic acid) (PLGA), then adding the w/o emulsion into aqueous polyvinyl alcohol (PVA) solution to form a water-in-oil-in-water (w/o/w) double emulsion and then desorbing the solvent in the oil layer. The present invention also provides a controlled release microsphere prepared by the method and use thereof.
摘要:
An isoflavone derivative is provided. The isoxazole derivative has following formula: wherein R1 and R2, independently, include C1-C12 alkyl optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy, and R3 includes hydrogen, hydroxy or C1-C12 alkoxy optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy. The invention also provides a pharmaceutical composition for treatment of osteoporosis including an isoflavone derivative or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.