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Drug test. MeSH. D015813. A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva —to determine the presence or absence of specified parent drugs or their metabolites. Major applications of drug testing include detection of ...
Drug discovery. In the fields of medicine, biotechnology, and pharmacology, drug discovery is the process by which new candidate medications are discovered. [1] Historically, drugs were discovered by identifying the active ingredient from traditional remedies or by serendipitous discovery, as with penicillin.
Paul Ehrlich (German: [ˈpaʊl ˈʔeːɐ̯lɪç] ⓘ; 14 March 1854 – 20 August 1915) was a Nobel Prize -winning German physician and scientist who worked in the fields of hematology, immunology and antimicrobial chemotherapy. Among his foremost achievements were finding a cure for syphilis in 1909 and inventing the precursor technique to ...
In 1832 produced chloral hydrate, the first synthetic sleeping drug. In 1833 French chemist Anselme Payen was the first to discover an enzyme, diastase. In 1834, François Mothes and Joseph Dublanc created a method to produce a single-piece gelatin capsule that was sealed with a drop of gelatin solution.
For the first half of 2021, the U.S. Drug Enforcement Administration found the Gupta method was the predominant synthesis route in their samples of seized fentanyl. [138] In 2022, Braga and coworkers described a synthesis of fentanyl involving continuous flow that uses reagents similar to the ones described for the Gupta procedure.
Port (medicine) Portal system. Port-a-Cath with needle assembly inserted. In medicine, a port or port-a-cath is a small appliance that is installed beneath the skin. A catheter (plastic tube) connects the port to a vein. Under the skin, the port has a septum (a silicone membrane) through which drugs can be injected and blood samples can be ...
Cohen first took the drug on October 12, 1955, and expected to have an unpleasant trip, but was surprised when he experienced "no confused, disoriented delirium." [19] He reported that the "problems and strivings, the worries and frustrations of everyday life vanished; in their place was a majestic, sunlit, heavenly inner quietude."
Paul Janssen was the son of Constant Janssen and Margriet Fleerackers. He attended secondary school at the Jesuit St Jozef college in Turnhout, Belgium after which he decided to follow in his father's footsteps and become a physician. During World War II Janssen studied physics, biology and chemistry at the Facultés universitaires Notre-Dame ...