All articles starting with D
24,034 articles
Dihydroxyacetone phosphate acyltransferase
Dihydroxyacetone phosphate acyltransferase (DHAPAT, GNPAT, EC 2.3.1.42) is a peroxisomal membrane enzyme that acylates DHAP to start plasmalogen synthesis; its deficiency causes rhizomelic chondrodysplasia punctata type 2.
Dihydroxylation
Dihydroxylation is the addition of two hydroxyl groups across an alkene's double bond to give a vicinal diol, done syn with osmium tetroxide or anti via epoxidation and hydrolysis.
DIII-D
DIII-D is a tokamak fusion research facility in San Diego, California, operated by General Atomics and the largest magnetic fusion experiment in the United States.
Diimine (functional group)
Diimine, or diazene (diimide), HN=NH, is an unstable nitrogen hydride used as a reducing agent for alkenes, and by extension any compound bearing two imine (C=N) groups.
Diipa Buller-Khosla
Diipa Büller-Khosla, born 1991 in Delhi, is an Indian influencer and co-founder of Ayurvedic beauty brand Indē Wild (Ayurvedistry), first Indian influencer on the Cannes red carpet, Sephora US entrant.
Diisobutylene
Diisobutylene (DIB) is a colorless liquid mixture of two C8 olefin isomers, produced by dimerizing isobutylene over acid catalysts and used as a chemical intermediate and fuel blending component.
Diisononyl phthalate
Diisononyl phthalate (DINP) is a mixture of branched C9 phthalate esters, used mainly as a plasticizer for polyvinyl chloride in flooring, cable, and coated products.
Diisopropyl ether
Diisopropyl ether, also known as isopropyl ether, is a highly flammable liquid ether used as an extraction solvent and gasoline additive, and it forms explosive peroxides in storage.
Diisopropyl fluorophosphate
Diisopropyl fluorophosphate, also called diisopropyl phosphorofluoridate or isoflurophate, is an organophosphorus compound synthesized in Britain in 1941 as a potential chemical warfare agent, later a glaucoma drug.
Diisopropylammonium bromide
Diisopropylammonium bromide (DIPAB) is a hydrogen-bonded molecular ferroelectric salt whose 2013 report gave it a Curie temperature of 426 K and polarization of 23 μC cm⁻², rivaling barium titanate.
Diisopropylcarbodiimide
Diisopropylcarbodiimide (DIC, also written DIPCDI) is a liquid carbodiimide coupling reagent, formula C₇H₁₄N₂, that activates carboxylic acids to form amide and peptide bonds; its soluble urea byproduct makes it preferred for solid-phase peptide synthesis.
DIIV
DIIV is an American shoegaze and indie rock band formed in New York in 2011 by Zachary Cole Smith, once of Beach Fossils; albums Oshin, Is the Is Are, Deceiver, Frog in Boiling Water, and ZIRP!
Dijkstra's algorithm
Dijkstra's algorithm finds shortest paths from a source node to every other node in a graph with non-negative edge weights, conceived by Edsger W. Dijkstra in 1956.
Dijon
Dijon, capital of the Bourgogne-Franche-Comté region in eastern France; 162,650 inhabitants, UNESCO-listed historic centre within the Climats vineyard site, ducal palace, mustard and crème de cassis gastronomy, and TGV links under two hours from Paris.
Dijon FCO
Dijon FCO (Dijon Football Côte-d'Or, DFCO), French football club founded 1998 in Dijon; plays at Stade Gaston-Gérard. Six Ligue 1 seasons, best finish 11th (2018), National champions 2026, promoted to Ligue 2.
Dijon mustard
Dijon mustard (moutarde de Dijon) is a strong, smooth pale-yellow French mustard from Dijon, Burgundy, made from Brassica juncea or nigra seeds with verjus, vinegar, or white wine; the name is a recipe, not a protected origin, unlike Moutarde de Bourgogne IGP.
Dik-dik
The dik-dik is a small antelope of the genus Madoqua, native to dry bushlands of eastern and southwestern Africa and named for the females' whistling alarm call.
Dika Mem
Dika Mem (born 1997, Paris), French handball right back for FC Barcelona and captain; world champion 2017, Olympic champion Tokyo 2020, European champion 2024; joining Füchse Berlin in 2027.
Dikaryon
Dikaryon: a fungal cell or hypha with two genetically distinct haploid nuclei, one from each parent, in a 1:1 ratio; the persistent vegetative phase of most basidiomycetes, maintained by clamp connections until karyogamy in the basidium.
Dike (geology)
A dike, also spelled dyke, is a sheet-like igneous intrusion that cuts across the layering of the rock it penetrates, the main path magma takes toward eruptions.
Dike (mythology)
Dike (Δίκη), Greek goddess of justice, one of the three Horae, daughter of Zeus and Themis with sisters Eunomia and Eirene; reports wrongdoing to Zeus, identified with Astraea/Virgo, opposite Adikia, and a model for Lady Justice.
Dike ring
A dike ring (dijkring) is a closed system of dikes, dunes, dams, or high ground in the Netherlands protecting an area from flooding as one unit.
Dikegulac
Dikegulac (dikegulac-sodium, Atrinal, Atrimmec, Augeo, 调呋酸) is an atypical plant growth regulator, a vitamin C synthesis by-product, that chemically pinches plants by inhibiting DNA synthesis in apical meristems, promoting lateral branching; EU use ended 2007.
Dikembe Mutombo
Dikembe Mutombo (Dikembe Mutombo Mpolondo Mukamba Jean-Jacques Wamutombo), Congolese NBA center, 1966-2024; 4x Defensive Player of the Year, second all-time in blocks, Hall of Famer, and founder of the Biamba Marie Mutombo Hospital in Kinshasa.
Diketene
Diketene, the dimer of ketene, is a toxic, reactive C₄H₄O₂ liquid with a strained β-lactone ring, used industrially to make acetoacetic acid derivatives for dyes, pigments, pharmaceuticals, and polymers.
Diketopyrrolopyrrole
Diketopyrrolopyrrole (DPP) is an organic pigment with a deep red color, first synthesized in the 1970s and commercialized in the 1980s for inks, paints, and plastics.
Diketopyrrolopyrrole polymers
Diketopyrrolopyrrole (DPP) polymers are π-conjugated donor–acceptor copolymers built from a strongly electron-accepting lactam core, first a pigment in the 1970s and now standard in organic solar cells, transistors, and LEDs.
Dikir Barat
Dikir barat is a Malay choral performance art from Kelantan, Malaysia, built on call-and-response singing, improvised pantun verse, and synchronized hand movements; it was listed as Malaysian National Heritage in 2009.
Dikkiloona (திக்கிலூனா)
Dikkiloona (திக்கிலூனா) is a 2021 Tamil science fiction romantic comedy directed by Karthik Yogi, starring Santhanam in a triple role with Anagha and Shirin Kanchwala. Released on ZEE5 on 10 September 2021, it follows a lineman who time-travels to 2020 to stop his wedding; music by Yuvan Shankar Raja.
Dikran Tulaine
Dikran Tulaine, also Dikrane Tulaine, is a British-American actor and director born 1956 in London to an Armenian father and English mother, known for recurring roles in The Blacklist, The Walking Dead, and The Night Agent and for stage work at the National Theatre.