All articles starting with L
25,375 articles
Levon Ter-Petrosyan (Լևոն Հակոբի Տեր-Պետրոսյան)
Levon Ter-Petrosyan (Լևոն Հակոբի Տեր-Պետրոսյան), born 1945 in Aleppo, is an Armenian orientalist, first President of Armenia (1991–1998), Karabakh movement leader, Supreme Council chairman, resigned February 1998, later led the Armenian National Congress.
Levonadifloxacin
Levonadifloxacin (WCK 771, EMROK), a benzoquinolizine fluoroquinolone and arginine salt of S(–)-nadifloxacin, is an anti-MRSA antibiotic approved in India in 2019, with the oral L-alanine prodrug alalevonadifloxacin (WCK 2349, EMROK O).
Levonordefrin
Levonordefrin (nordefrin, Cobefrin, Corbadrine) is a levo-isomer sympathomimetic vasoconstrictor used in dental anesthesia, available in North America only as 2% mepivacaine with 1:20,000 levonordefrin; about one-sixth epinephrine's potency, contraindicated with tricyclic antidepressants.
Levonorgestrel
Levonorgestrel (LNG), also known as Plan B One-Step, is a second-generation progestin used in emergency contraceptive pills (1.5 mg), LNG intrauterine systems, and former implants; it prevents pregnancy by delaying ovulation.
Levopropoxyphene
Levopropoxyphene (L-propoxyphene), the (2R,3S) enantiomer of propoxyphene, is a discontinued centrally acting antitussive first approved in 1962; unlike its analgesic mirror image dextropropoxyphene, it suppresses cough without opioid pain relief.
Levornidazole phosphate disodium for injection
Levornidazole phosphate disodium for injection (注射用磷酸左奥硝唑酯二钠, brand Xinrui) is a Chinese Class 1 nitroimidazole antibiotic, a phosphate prodrug of levornidazole (S-ornidazole), approved 26 May 2021 for Yangtze River Pharmaceutical for anaerobic and amebic infections.
Levosalbutamol
Levosalbutamol (levalbuterol, Xopenex) is the active (R)-enantiomer of salbutamol, a short-acting beta2 agonist bronchodilator approved in 1999; meta-analyses show no consistent clinical superiority over racemic salbutamol in acute asthma.
Levosimendan
Levosimendan, sold as Simdax, is an inodilator drug developed by Finland's Orion Pharma for short-term intravenous treatment of severe heart failure, approved in Europe from 2000 but not by the FDA.
Levothyroxine
Levothyroxine (synthetic T4, L-thyroxine) is the first-line drug for hypothyroidism and a top-ten prescribed medicine worldwide; a narrow-therapeutic-index prodrug converted to T3, taken fasting, dosed ~1.6 mcg/kg/day by TSH.
LEVT
LEVt is a German techno DJ and producer from Jena who moved into music from competitive football and plays peak-time and hard techno at major European festivals.
Levuka Historical Port Town
Levuka Historical Port Town is a UNESCO World Heritage Site on Ovalau Island, Fiji. It was the first colonial capital of Fiji, inscribed in 2013.
Levulinic acid
Levulinic acid, also known as acetopropionic acid, is a five-carbon keto carboxylic acid made from biomass and used as a platform chemical for fuels and solvents.
Levulinic acid to gamma-valerolactone
The conversion of levulinic acid to gamma-valerolactone (GVL) is the catalytic hydrogenation of biomass-derived levulinic acid to GVL, a key step in making renewable fuels and solvents.
Levy
Levy is a word and name meaning a raised military force, an imposed tax or fine, the seizure of property for a debt, or a surname.
Lévy distribution
The Lévy distribution is a heavy-tailed continuous probability distribution with no finite mean or variance, arising as the first time Brownian motion reaches a fixed level.
Lévy flight
A Lévy flight is a random walk whose step lengths follow a heavy-tailed power-law distribution, named for Paul Lévy; the rare long jumps make the motion superdiffusive.
Lévy measure
A Lévy measure assigns to each set of jump sizes the expected number of jumps per unit time in a Lévy process, allowing infinitely many small jumps.
Levy Mwanawasa
Levy Mwanawasa was a Zambian lawyer and politician who served as the third President of Zambia from 2002 until his death in office in 2008.
Levy on cloth and thread
The levy on cloth and thread (布缕之征) was a Warring States tax on woven cloth, named by Mencius alongside levies on grain and labor service.
Lévy process
A Lévy process is a stochastic process with stationary, independent increments and càdlàg paths, combining continuous motion with abrupt jumps and generalizing Brownian motion and the Poisson process.
Levy Rozman
Levy Rozman, aka GothamChess, American International Master (2018, peak FIDE 2420) and former scholastic coach; runs the most-subscribed chess YouTube channel and wrote the NYT bestseller How to Win at Chess.
Levy Tran
Levy Tran (Vy Le Tran, born 1983) is a Vietnamese-American actress and model from San Jose, known as Desi Nguyen on MacGyver (2019–2021), the Furious 7 race starter, Roenick in The First Purge, and Lash in Expend4bles.
Lévy–Khintchine formula and Lévy–Itô decomposition
The Lévy–Khintchine formula and Lévy–Itô decomposition characterize Lévy processes: the formula encodes the distribution in a drift, Gaussian, and jump triplet, while the decomposition builds the process from those parts.
Lew Ayres
Lew Ayres (Lewis Frederick Ayres, 1908-1996), American actor, star of All Quiet on the Western Front (1930) and MGM's Dr. Kildare series; WWII conscientious objector who served as Army medic; Oscar-nominated for Johnny Belinda.
Lew Beck
Lew Beck (Lewis William Beck Jr., 1922-1970) was an American basketball guard from Pendleton, Oregon, an Oregon State All-American and 1947 PCC champion who captained the 1948 U.S. Olympic team to basketball gold in London.
Lew Frederick
Lew Frederick is an American Democratic politician who has represented Oregon's 22nd Senate district since 2017, after serving in the Oregon House from 2009, and chairs the Senate Education Committee.
Lew Sapieha
Lew Sapieha (Belarusian: Леў Сапега; Lithuanian: Leonas Sapiega; 1557–1633) was a Lithuanian statesman who served 34 years as grand chancellor and led the 1588 Third Statute.
Lew Temple
Lew Temple (born 1967) is an American character actor known as Axel in The Walking Dead, Ned Oldham in Unstoppable, and Rob Zombie roles (Adam Banjo, Psycho-Head); formerly a minor league ballplayer and Astros scouting executive.
Lew Wallace
Lewis "Lew" Wallace (1827–1905), Union major general at Fort Donelson, Shiloh, and Monocacy, governor of New Mexico Territory, minister to the Ottoman Empire, and author of Ben-Hur: A Tale of the Christ.
Lew Wilson
Lew Wilson, full name Lindsay Edward Wilson, is a New Zealand rower who won gold in the men's eight at the 1972 Munich Olympics and bronze in 1976.