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92 results about "Vasoactive" patented technology

A vasoactive substance is an endogenous agent or pharmaceutical drug that has the effect of either increasing or decreasing blood pressure and/or heart rate through its vasoactivity, that is, vascular activity (effect on blood vessels). By adjusting vascular compliance and vascular resistance, typically through vasodilation and vasoconstriction, it helps the body's homeostatic mechanisms (such as the renin–angiotensin system) to keep hemodynamics under control. For example, angiotensin, bradykinin, histamine, nitric oxide, and vasoactive intestinal peptide are important endogenous vasoactive substances. Vasoactive drug therapy is typically used when a patient has the blood pressure and heart rate monitored constantly. The dosage is typically titrated (adjusted up or down) to achieve a desired effect or range of values as determined by competent clinicians.

Natural high-polymer bioactive trauma repair material with function of releasing active ions and method for preparing natural high-polymer bioactive trauma repair material

ActiveCN107198794AEvenly dispersedControllable ion release concentrationTissue regenerationProsthesisBlood vesselBioactive composite
The invention relates to a natural high-polymer bioactive trauma repair material with a function of releasing active ions and a method for preparing the natural high-polymer bioactive trauma repair material. The method includes soaking natural high-polymer materials in silicate extract liquid for a period of time; taking the natural high-polymer materials out of the silicate extract liquid and drying the natural high-polymer materials to obtain the natural high-polymer bioactive trauma repair material with the function of controllably releasing the ions. The natural high-polymer bioactive trauma repair material and the method have the advantages that the natural high-polymer bioactive trauma repair material is creatively prepared by the aid of silicate extract liquid permeating processes, aqueous solution is used as a medium, silicate components with angiogenesis activity can be uniformly dispersed inside the natural high-polymer materials, granular agglomeration can be prevented, and accordingly the natural high-polymer bioactive trauma repair material which is a bioactive composite trauma repair material can be prepared; the inorganic ions are uniformly adsorbed and distributed in high-polymer matrixes, and the ion release concentration can be controlled.
Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

Application of coptisine in preparing medicine for preventing and/or treatingSLE (systemic lupus erythematosus) and complications of SLE

The invention discloses application of coptisine shown as general formula (I) as shown in the specification and pharmaceutically acceptable salt of the coptisine in preparing a medicine for preventing and/or treatingSLE (systemic lupus erythematosus) and complications of SLE.The application has the benefits that the coptisine has pharmacological actions of reducing an in-vivo autoantibody expression level of a mouse with lupus, improving an immunologic function, reducing immune complex sedimentation in a kidney tissue of the mouse with the lupus and improving a kidney function of the mouse with the lupus, and effects of protecting a spleen function of the mouse with the lupus, protecting a vascular endothelium function of the mouse with the lupus, reducing blood pressure and improving vascular activity of the mouse with the lupus.The coptisine is a monomeric compound extracted from a common traditional Chinese medicine, namely rhizoma coptidis, has the advantages of low toxicity, simple extraction technology and the like, is wide in raw material resource, has good application and development prospects and is a relatively perfect novel traditional Chinese medicine monomer for treating the SLE, and the complications of the SLE such as immune dysfunction, lupus nephritis, lupus spleen injury, lupus atherosclerosis and lupus hypertension.
Owner:INST OF MATERIA MEDICA AN INST OF THE CHINESE ACAD OF MEDICAL SCI
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