Aspirin, also known as acetylsalicylic acid (ASA), is a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, fever, and/or inflammation, and as an antithrombotic. Specific inflammatory conditions which aspirin is used to treat include Kawasaki disease, pericarditis, and rheumatic fever. … See more In 1897, scientists at the Bayer company began studying acetylsalicylic acid as a less-irritating replacement medication for common salicylate medicines. By 1899, Bayer had named it "Aspirin" and sold it around the world. See more Aspirin decomposes rapidly in solutions of ammonium acetate or the acetates, carbonates, citrates, or hydroxides of the alkali metals. It is stable in dry air, but gradually hydrolyses in contact with moisture to acetic and salicylic acids. In solution with … See more Discovery of the mechanism In 1971, British pharmacologist John Robert Vane, then employed by the Royal College of Surgeons in … See more Acetylsalicylic acid is a weak acid, and very little of it is ionized in the stomach after oral administration. Acetylsalicylic acid is quickly absorbed through the cell membrane in the See more Aspirin, an acetyl derivative of salicylic acid, is a white, crystalline, weakly acidic substance, which melts at 136 °C (277 °F), and decomposes around 140 °C (284 °F). Its acid dissociation constant (pKa) is 3.5 at 25 °C (77 °F). Polymorphism See more Aspirin is produced in many formulations, with some differences in effect. In particular, aspirin can cause gastrointestinal bleeding, and formulations are sought which deliver the benefits of aspirin while mitigating harmful bleeding. Formulations may … See more Medicines made from willow and other salicylate-rich plants appear in clay tablets from ancient Sumer as well as the Ebers Papyrus from … See more WebAspirin is a relatively selective inhibitor of platelet PGHS-1 (cyclooxygenase-1, COX-1). The existence of 2 isoenzymes with different aspirin sensitivities, coupled with extremely different recovery rates of …
Aspirin - Wikipedia
WebAspirine (2001) Sans nom (2001), incluso anche nella raccolta L'entrata di Cristo a Bruxelles; L'entrata di Cristo a Bruxelles (Voland, 2008, ISBN 978-88-6243-018-0), include due racconti: L'entrata di Cristo a Bruxelles (L'Entrée du Christ à Bruxelles, 2004) e Senza nome (Sans nom, 2001) Les Champignons de Paris (2007) Les myrtilles (2011) WebAspirin General Type: Antiplatelet, NSAID Dosage Forms: tablet, delayed-release tablet, chewable tablet, enteric-coated tablet, oral chewing gum, extended release capsule … inch diameter chart
aspirine - Wiktionary
WebMae aspirin, neu asid acetylsalicylic (ASA), yn feddyginiaeth a ddefnyddir i drin poen, twymyn neu lid.Ymysg y cyflyrau llidiol penodol y mae aspirin yn cael eu defnyddio ar eu … WebBest known for their path-breaking anti-inflammatory pain reliever, Aspirin, the Bayer pharmaceutical company was founded in 1863. 2 Bayer became part of IG Farben, a powerful German chemical conglomerate, in 1925. 3 WebAspirin Molecular Formula CHO Average mass 180.157 Da Monoisotopic mass 180.042252 Da ChemSpider ID 2157 More details: Featured data source Names Properties Searches Spectra Vendors Articles More … inch depth shelves