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Alteplase, sold under the brand name Activase among others, is a biosynthetic form of human tissue-type plasminogen activator (t-PA). It is a thrombolytic medication used to treat acute ischemic stroke, acute ST-elevation myocardial infarction (a type of heart attack), pulmonary embolism associated with low blood pressure, and blocked central venous catheter. [5]
Once in the body, tPA has can cause the desired thrombolytic activity (see figure), or be inactivated and removed. In the bloodstream tPA has a half-life of 4 to 6 minutes. [39] tPA can be bound by a plasminogen activator inhibitor, resulting in inactivation of its activity. The protein is then removed from the bloodstream by the liver.
The thioglycolic acid in the perm solution reduces the disulfide cystine bonds in the cortex of the hair. [2] In a sense, the thioglycolate removes crosslinks. After washing, the hair is treated with a mild solution of hydrogen peroxide, which oxidizes the cysteines back to cystine. These new chemical bonds impart the structural rigidity ...
Drugs which do not appear on the formulary at all mean consumers must pay the full list price. To get drugs listed on the formulary, manufacturers are usually required to pay the PBM a manufacturer's rebate, which lowers the net price of the drug, while keeping the list price the same. [20]
Tris(2-pyridylmethyl)amine (abbreviated TPMA or TPA) is an organic compound with the formula (C 5 H 4 NCH 2) 3 N. It is a tertiary amine with three picolyl substituents. It is a white solid that is soluble in polar organic solvents. It is a ligand in coordination chemistry. The ligand is prepared by the alkylation of 2-picolylamine by picolyl ...
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Terephthalic acid is an organic compound with formula C 6 H 4 (CO 2 H) 2.This white solid is a commodity chemical, used principally as a precursor to the polyester PET, used to make clothing and plastic bottles.
A permanent wave, commonly called a perm or permanent (sometimes called a "curly perm" to distinguish it from a "straight perm"), [1] is a hairstyle consisting of waves or curls set into the hair. The curls may last a number of months, hence the name. Perms may be applied using thermal or chemical means.