All articles starting with E
17,681 articles
Epsilon-near-zero photonics
Epsilon-near-zero (ENZ) photonics is the study of light–matter interactions in materials whose permittivity approaches zero, producing strong field confinement, slow light, and enhanced nonlinear effects over sub-wavelength distances.
Epsilon-near-zero response
The epsilon-near-zero (ENZ) response is the electromagnetic behavior of a material whose electric permittivity approaches zero at a particular frequency, producing extreme light-matter interactions, field enhancement, and ultrafast optical nonlinearities.
Epsilon-polylysine
Epsilon-polylysine (ε-PL, ε-poly-L-lysine) is a cationic homopolymer of 25–35 L-lysine residues made by Streptomyces albulus, used as a broad-spectrum natural antimicrobial food preservative; FDA GRAS under GRN 135 and 336.
Epsom
Epsom, Surrey, England: market town about 14 miles southwest of London, Saxon origins, 17th-century spa that gave its name to Epsom salts, and home of Epsom Downs Racecourse and The Derby; borough population 80,938 (2021).
Epsom Derby
The Epsom Derby (Derby Stakes), a British Group 1 Classic for three-year-old colts and fillies run at Epsom Downs since 1780 over 1m4f10y; named by coin toss, £2 million prize from 2026.
Epsom Girls' Grammar School
Epsom Girls' Grammar School is a state girls' secondary school in Auckland, New Zealand. It opened in 1917 and is one of the largest girls' schools in the country.
Epsom Oaks
Epsom Oaks (the Oaks Stakes): British Group 1 Classic for three-year-old fillies over 1m4f at Epsom Downs, first run 14 May 1779, founded by the 12th Earl of Derby and named after his house The Oaks; run the Friday before the Derby.
Epsomite
Epsomite, also known as Epsom salt or magnesium sulfate heptahydrate, is a soft, highly soluble magnesium sulfate mineral named in 1806 for Epsom, Surrey, England, where it occurred as crusts from thermal springs.
Epson (セイコーエプソン株式会社)
Epson (Seiko Epson Corporation, セイコーエプソン株式会社) is a Japanese electronics company in Suwa, Nagano, making inkjet printers, projectors, and industrial robots, founded in 1942 as Daiwa Kogyo.
Epson Moverio
Epson Moverio is a line of binocular see-through augmented reality smart glasses developed by Seiko Epson, first released in 2011 with the BT-100 and continued through later models including the BT-300 and BT-40.
Epson Robots
Epson Robots is the industrial robotics business of Japan's Seiko Epson, founded in 1981 to automate watch assembly and now the world's top-selling SCARA robot maker.
Epstein didn't kill himself
Epstein didn't kill himself: bait-and-switch meme and catchphrase from October 2019 claiming Jeffrey Epstein's August 2019 jail death was murder, not the officially ruled suicide; spread via Fox News, Gosar tweets, and 2025 DOJ-file controversy.
Epstein files
The Epstein files, also called the Jeffrey Epstein files, are Justice Department and court records about Jeffrey Epstein, released publicly from 2025 under the Epstein Files Transparency Act.
Epstein Files Transparency Act
Epstein Files Transparency Act (EFTA), Public Law 119-38, H.R. 4405: 2025 US law requiring DOJ to release all unclassified Epstein and Maxwell records within 30 days; House passed 427-1; DOJ released about 3.5 million of over 6 million pages, missing the deadline, prompting litigation and an OIG audit.
Epstein-Barr virus-associated gastric carcinoma
Epstein-Barr virus-associated gastric carcinoma (EBVaGC), EBV-positive gastric cancer, is a molecular subtype of gastric carcinoma defined by latent EBV in tumor cells, about 8-10% of cases, male-predominant, proximal, with favorable prognosis and PD-L1 expression.
Epstein-Barr virus-positive diffuse large B-cell lymphoma
EBV-positive diffuse large B-cell lymphoma (EBV+ DLBCL, NOS), formerly EBV+ DLBCL of the elderly, is an aggressive EBV-carrying B-cell lymphoma of patients over 50 without immunodeficiency, diagnosed by EBER, treated with R-CHOP, with worse prognosis than EBV-negative DLBCL.
Epstein–Barr virus
Epstein–Barr virus (EBV, human herpesvirus 4) is a γ-herpesvirus spread by saliva that infects over 90% of adults, causes infectious mononucleosis, and was the first virus linked to human cancer, including Burkitt lymphoma and nasopharyngeal carcinoma.
EpsteinExposed
EpsteinExposed is a public interest database that catalogs millions of documents, including court filings, flight logs, and financial records, sourced from government releases and public court records.
Eptacog alfa (activated)
Eptacog alfa (activated), brand NovoSeven/NovoSeven RT (Novo Nordisk), is recombinant activated factor VIIa, a bypassing agent for bleeding in hemophilia with inhibitors, factor VII deficiency, and Glanzmann's thrombasthenia; EU/US approvals 1996/1999, EU shortages through 2025.
EPTC
EPTC (S-ethyl dipropylthiocarbamate, Eptam, Eradicane) is a thiocarbamate herbicide, CAS 759-94-4, registered in the US in 1958, applied pre-emergence with soil incorporation, acting by VLCFA synthesis inhibition (HRAC Group 15).
Epternacus
Epternacus (Epternacum) was the Roman villa and estate at modern Echternach, Luxembourg, on the Sauer about 20 km west of Trier; named from Celtic Epternus, fortified in the 4th century, and donated by Irmina to Willibrord in 697/698.
Eptifibatide
Eptifibatide (brand name Integrilin) is a synthetic cyclic heptapeptide drug that inhibits platelet aggregation by blocking the glycoprotein IIb/IIIa receptor, approved in 1998 for acute coronary syndrome and coronary intervention.
Eptinezumab
Eptinezumab (Vyepti, ALD403, eptinezumab-jjmr) is a humanized anti-CGRP monoclonal antibody given as a 100 or 300 mg intravenous infusion every 12 weeks to prevent migraine in adults; FDA approved February 2020, developed by Alder and acquired by Lundbeck.
Eptotermin alfa
Eptotermin alfa (rhBMP-7, OP-1) is a recombinant bone morphogenetic protein used as an implantable bone-graft substitute; EU brands Osigraft (tibial non-union) and Opgenra (spinal fusion) were withdrawn in 2015–2016.
Epu Oil and Gas Field
The Epu Oil and Gas Field is an onshore field in OML 28 in Nigeria's Niger Delta, operated by Shell with first oil targeted for 2027.
EPUB
EPUB (electronic publication), also known as EPUB3, is an open e-book file format packaging HTML content in a ZIP archive so text reflows to fit any screen size.
EpVAr2019 study
EpVAr2019 (NCT04107467), a prospective multicenter observational study of mechanical ventilation epidemiology in Argentine ICUs, Sept-Dec 2019; 950 patients, 142 units; ICU mortality 44.6%, hospital 47.9%.
Epworth Sleepiness Scale
The Epworth Sleepiness Scale is a self-administered questionnaire rating dozing likelihood in eight everyday situations, scored 0-24, introduced by Murray Johns in 1991 and widely used in sleep medicine.
Epyc
AMD Epyc is a family of x86 server processors made by AMD for data center, cloud, and AI workloads, launched in 2017 and competing with Intel's Xeon.
Epyx
Epyx: American game publisher founded 1978 as Automated Simulations by Jon Freeman and Jim Connelley, renamed Epyx 1983; known for the Games sports series, Impossible Mission, and the Handy handheld that became the Atari Lynx; bankrupt 1989, IP now held by Epyx Games, LLC.