All articles starting with I

Ipatasertib

Ipatasertib (GDC-0068, RG7440) is Genentech's oral ATP-competitive pan-AKT1/2/3 inhibitor tested in phase III breast and prostate cancer trials; phase III results were negative and it is not approved.

Ipatiev House

Ipatiev House (Ипатьевский дом), a Yekaterinburg mansion owned by engineer Nikolai Ipatiev, was the Bolshevik prison where Tsar Nicholas II and his family were shot in the basement on 16–17 July 1918; demolished in 1977 under Yeltsin, the site now holds the Church on the Blood.

Ipatinga

Ipatinga, Minas Gerais municipality in Brazil's Steel Valley (Vale do Aço); also Ipatinga MG. Company town built around the Usiminas steel plant (inaugurated 1962), emancipated 29 April 1964; 227,731 residents (2022), IDHM 0.771.

IPCA (Brazilian inflation index)

The IPCA (Índice Nacional de Preços ao Consumidor Amplo) is Brazil's official consumer price index, produced monthly by the IBGE and the reference for inflation targeting since 1999.

IPCC Fifth Assessment Report

The IPCC Fifth Assessment Report (AR5) is the Intergovernmental Panel on Climate Change's fifth comprehensive assessment of climate change, issued by its three working groups and a Synthesis Report in 2013 and 2014.

IPCC Guidelines for National Greenhouse Gas Inventories

The IPCC Guidelines for National Greenhouse Gas Inventories are internationally agreed IPCC methods that countries use to estimate and report national greenhouse gas emissions and removals to the UNFCCC.

IPCC Sixth Assessment Report

The IPCC Sixth Assessment Report (AR6) is the Intergovernmental Panel on Climate Change's most recent comprehensive assessment of climate change science, impacts, and mitigation, completed in 2023.

Ipconazole

Ipconazole is a triazole fungicide developed by Kureha in Japan and sold since 1994, used mainly as a seed treatment against soil-borne and seed-borne fungal diseases.

IPEC-J2

IPEC-J2 (Intestinal Porcine Epithelial Cell line-J2), a non-transformed porcine jejunal enterocyte line isolated in 1989 by Helen Berschneider; used for intestinal barrier, host-pathogen, probiotic, and nutrition studies, with high TEER in FBS culture.

iPerf

iPerf is an open-source command-line tool for measuring maximum achievable bandwidth on IP networks, running as a client and server that exchange traffic and report throughput and packet loss.

Oct 20, 2026

IPF/ILD-PRO study

IPF/ILD-PRO (NCT01915511) is a prospective observational US registry run by Duke Clinical Research Institute with Boehringer Ingelheim, following over 2,000 people with IPF and progressive fibrotic ILD.

Ipflufenoquin

Ipflufenoquin (NF-180, Kinoprol, Migiwa, Rhapsody, Axios) is a quinoline DHODH-inhibiting fungicide from Nippon Soda, CAS 1314008-27-9, FRAC group 52, first US-registered 2022 for pome fruit and almond diseases.

IPG Photonics

IPG Photonics is an American manufacturer of high-power fiber lasers used for cutting, welding, and medical applications, founded in Moscow in 1990 by physicist Valentin Gapontsev and headquartered in Marlborough, Massachusetts.

iPHENAMIC study

iPHENAMIC (NCT02501070) is a retrospective cohort study of 6783 STEMI patients in northern Galicia, Spain, showing that the PROGALIAM regional infarct-care network lowered 5-year adjusted mortality and equalized survival across A Coruña, Lugo, and Ferrol.

Iphigenia (Ἰφιγένεια)

Iphigenia (Ἰφιγένεια), daughter of Agamemnon and Clytaemnestra, was offered to Artemis at Aulis so the Greek fleet could sail to Troy. Versions differ: sacrificed (Aeschylus), rescued and made priestess among the Taurians (Cypria, Euripides), or deified as Hecate (Hesiod).

Oct 22, 2026

Iphigenia in Aulis

Iphigenia in Aulis (Ἰφιγένεια ἡ ἐν Αὐλίδι) is a Greek tragedy by Euripides dramatizing the sacrifice of Iphigenia, daughter of Agamemnon, demanded by Artemis at Aulis.

Oct 22, 2026

Iphigenia in Tauris

Iphigenia in Tauris is a tragedy by Euripides, first performed in Athens around 412 BCE, dramatizing how Iphigenia and Orestes escape the Taurians with a statue of Artemis.

IPhO syllabus and medal-threshold methodology

The IPhO syllabus lists the physics topics allowed in International Physics Olympiad exams, while the medal-threshold methodology converts scores into gold, silver, and bronze cut-offs.

IPhone

The iPhone, also known as the Apple iPhone, is a line of smartphones designed and marketed by Apple Inc. Introduced in 2007, it runs the iOS operating system and is among the best-selling smartphone brands worldwide.

IPhone (1st generation)

The iPhone, also known as the original iPhone or iPhone 2G, is Apple's first smartphone, a touchscreen device unveiled by Steve Jobs at Macworld in January 2007.

IPhone 11

The iPhone 11 is a smartphone developed and sold by Apple, announced on September 10, 2019, succeeding the iPhone XR with a dual 12-megapixel camera and A13 Bionic chip.

IPhone 11 Pro

The iPhone 11 Pro is an Apple smartphone announced in 2019, the first iPhone with a triple rear camera, sold alongside the larger iPhone 11 Pro Max.

IPhone 12

The iPhone 12 is a smartphone announced by Apple on October 13, 2020 as its first iPhone with 5G, introducing MagSafe and a flat-edged aluminum design.

IPhone 12 Pro

The iPhone 12 Pro is a 6.1-inch Apple smartphone announced in October 2020, starting at $999, that added 5G, LiDAR, and MagSafe to the Pro line.

IPhone 13

The iPhone 13 is a smartphone from Apple, released on September 24, 2021, with an A15 Bionic chip, a brighter OLED display, and a starting price of $799.

IPhone 13 Pro

The iPhone 13 Pro is Apple's higher-end 2021 smartphone, released September 24 alongside the larger iPhone 13 Pro Max, with ProMotion display, 3x telephoto, macro photography, and ProRes video.

IPhone 14

The iPhone 14 is a smartphone developed and sold by Apple, released on September 16, 2022, with new safety features Crash Detection and Emergency SOS via satellite.

IPhone 14 Pro

The iPhone 14 Pro is a smartphone designed and sold by Apple, released in 2022 as the smaller of the two Pro models in the iPhone 14 lineup.

IPhone 15

The iPhone 15 is a smartphone developed by Apple and released on September 22, 2023, bringing USB-C, the Dynamic Island, and a 48-megapixel camera to the standard iPhone lineup.