All articles starting with L
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LacI-type HTH domain
LacI-type HTH domain (HTH_LacI, InterPro IPR000843): a 50-60 residue N-terminal helix-turn-helix DNA-binding domain of LacI/GalR bacterial repressors, over 500 members, which reads the DNA major groove while a hinge helix bends the minor groove.
Lacidipine
Lacidipine, a long-acting dihydropyridine calcium channel blocker (ATC C08CA09), treats hypertension at 2-6 mg once daily; vascular-selective, ~10% bioavailability, 13-19 h half-life, lowest peripheral edema risk among DHP-CCBs.
Lacina Traoré
Lacina Traoré (Lacina Emeghara Traoré), Ivorian striker born 1990 in Abidjan; 2.03 m centre-forward, tallest outfield player in Premier League history; clubs included CFR Cluj, Kuban, Anzhi, Monaco, Everton; 2015 AFCON winner.
Lack of coordination
Lack of coordination, also called ataxia, is the inability to coordinate voluntary movements, producing jerky, unsteady motion and an unsteady gait; prolonged excessive alcohol use is the leading cause.
Lack of fusion
Lack of fusion (LOF) is a welding imperfection in which the weld metal fails to fuse to the joint face, base metal, or an adjoining bead, leaving a planar flaw.
Lackawanna County
Lackawanna County, Pennsylvania: county with seat at Scranton, created August 13, 1878 from Luzerne County as the state's 67th and last county; named for the Lackawanna River; heart of the Northern Anthracite Coal Field; population about 216,500.
Lackawanna energy center
The Lackawanna Energy Center is a 1,500 MW natural gas-fired combined-cycle power station in Jessup, Pennsylvania, opened in 2019 and operated by Invenergy, selling power into the PJM Interconnection.
Lackland Air Force Base
Lackland Air Force Base is a US Air Force base in San Antonio, Texas, known as the Gateway to the Air Force, where all enlisted recruits begin basic training.
Lacombe Lucien
Lacombe Lucien (Lacombe, Lucien) is Louis Malle's 1974 French drama, co-written with Patrick Modiano, about a peasant youth rejected by the Resistance who joins the Gestapo; it won a BAFTA and an Oscar nomination.
Laconia (Λακωνία)
Laconia (Λακωνία), also known as Lakonia, is a regional unit of Greece on the southeastern Peloponnese, watered by the Eurotas river and home to Sparta.
Laconia incident
The Laconia incident: the September 1942 sinking of the British troopship RMS Laconia by U-156 off Ascension Island, the Axis submarine rescue operation attacked by US aircraft, and the resulting Laconia Order (Triton Null) forbidding U-boat rescues.
Laconian (dog)
Laconian (Spartan) hound, ancient Greek scent hound from Laconia described by Xenophon in the Cynegeticus; hunted hares in packs into nets; extinct, with no FCI or Greek Kennel Club listing.
Laconic phrase
Laconic phrase: terse, pointed speech named for Laconia, Sparta's region; Greek Lakonikos via Latin Laconicus, English from the 1580s; famous example is Sparta's one-word reply "If" to Philip II of Macedon.
Laconophilia
Laconophilia, also called Laconism or Laconomania, is admiration of Sparta and its constitution. Documented among wartime Athenian elites imitating Spartan dress and diet, debated in Xenophon scholarship, criticized via the Spartan mirage, and revived from the Renaissance to modern popular culture.
LaCoO3 perovskite OER catalyst
LaCoO3, lanthanum cobaltite, is a perovskite oxide studied as a low-cost, non-precious electrocatalyst for the oxygen evolution reaction in alkaline media, with both lattice oxygen and adsorbate mechanisms operating on its surface.
Laços de Família
Laços de Família (Family Ties) is a collection of 13 short stories by the Brazilian writer Clarice Lispector, published in 1960 and awarded the Jabuti prize in 1961.
Lacosamide
Lacosamide (Vimpat) is a third-generation antiseizure medication, a functionalized amino acid that selectively enhances slow inactivation of voltage-gated sodium channels; approved 2008 for focal seizures and primary generalized tonic-clonic seizures.
Lacoste
Lacoste, French premium sportswear brand founded in 1933 by tennis champion René Lacoste and André Gillier; first brand with a garment logo, its crocodile polo (L.12.12) stems from the founder's 1923 Boston nickname.
Lacq–Larrau Gas Pipeline
The Lacq–Larrau Gas Pipeline is a natural gas pipeline linking France's Lacq gas field to the Spanish network at the Puerto de Larrau pass, commissioned in 1993.
Lacquer
Lacquer: natural tree-sap coating (urushi, qi) from Toxicodendron vernicifluum and related species, cured by polymerization; used in East Asia since Neolithic times for carved lacquer, maki-e, and mother-of-pearl inlay.
Lacquer Coffin of Marquis Yi of Zeng
The Lacquer Coffin of Marquis Yi of Zeng is the double lacquered-wood burial coffin of Marquis Yi of Zeng, from his 433 B.C.E. tomb at Leigudun, Suizhou, Hubei.
Lacquerware
Lacquerware (漆器): objects coated or built from cured lacquer-tree sap, a defining East Asian craft. Chinese examples reach back ~8,000 years (Kuahuqiao bow, Hemudu bowl); Han golden age, carved lacquer, mother-of-pearl inlay, spread to Korea and Japan.
Lacrim
Lacrim (Karim Zenoud, born 1985 in Paris) is a French rapper whose street albums and mixtapes, including Corleone and the R.I.P.R.O. series, made him a leading figure in French rap.
Lacrimal gland
The lacrimal gland, also called the tear gland, is an exocrine gland in the upper outer orbit that secretes the watery layer of tears and is targeted in Sjogren's syndrome.
Lacrimoauriculodentodigital syndrome
Lacrimoauriculodentodigital syndrome (LADD, Levy-Hollister syndrome) is a rare autosomal dominant disorder from FGFR2, FGFR3, or FGF10 mutations, causing lacrimal and salivary gland malformations, hearing loss, dental anomalies, and digital defects.
Lacrosse
Lacrosse: stick-and-ball team sport from Indigenous North America (Haudenosaunee, c. 1100), codified by George Beers in 1867; played as field, box, and Sixes; Olympic medal sport 1904, 1908, and returning at LA 2028.
Lacrosse (satellite)
Lacrosse, also known as Onyx, was a series of five synthetic aperture radar reconnaissance satellites flown by the US National Reconnaissance Office between 1988 and 2005.
Lacs (district)
Lacs is one of the 14 administrative districts of Côte d'Ivoire, created in 2011 with its capital at Dimbokro; since 2021 it has been an autonomous district led by a minister-governor.
Lacs des Loups Marins
Lacs des Loups Marins is a system of connected lakes in Nunavik, Quebec, Canada, home to the world's only freshwater subspecies of the harbor seal.
Lactacystin
Lactacystin is a natural-product antibiotic and proteasome inhibitor isolated in 1991 from Streptomyces by Satoshi Ōmura and colleagues, the first natural product shown to target the 20S proteasome.