All articles starting with B
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BT Group
BT Group, formerly British Telecom, is a British telecommunications holding company whose brands include BT, EE, Plusnet, and Openreach, tracing its origins to 1846 and serving over 25 million subscribers.
BT tank
The BT tank, Russian bystrokhodny tank meaning "fast tank", was a series of Soviet light cavalry tanks built from 1932 to 1940, capable of running on tracks or wheels.
BT Tower
BT Tower (formerly Post Office Tower, GPO Tower) is a Grade II listed 177 m concrete communications tower in Fitzrovia, London, built 1961-1965 to Eric Bedford's design as Britain's microwave network hub, opened 1965, bombed in 1971, and sold to MCR Hotels in 2024 for hotel conversion.
BT-20
BT-20 (CVCL_0178, ATCC HTB-19) is the first human breast cancer cell line, established in 1958 by Lasfargues and Ozzello from a 74-year-old patient; a triple-negative, basal-like TNBC line used in xenograft and spheroid models.
BT-474
BT-474 (ATCC HTB-20, CVCL_0179) is a human breast cancer cell line from a 1978 invasive ductal carcinoma, triple positive for ER, PR, and HER2; used for trastuzumab research, with resistant derivatives like Clone 5.
BT-5 (БТ-5)
The BT-5 (БТ-5), from Bystrokhodny tank meaning "fast tank," was a Soviet light tank built at Kharkov from 1933 to 1935, armed with a 45 mm gun.
BT-549
BT-549 (HTB-122, CVCL_1092), also BT549, is a human triple-negative, claudin-low breast cancer cell line isolated in 1978 from a 72-year-old woman's invasive ductal carcinoma; TP53-mutant, PTEN-deleted, drug-resistant, stemness-high research model.
BT-7
The BT-7 (БТ-7) was a Soviet light tank produced from 1935 to 1940, the most numerous of the BT "fast tank" series, able to run on tracks or wheels.
BTBR
BTBR (BTBR T+ Itpr3tf/J, formerly BTBR T+tf/J) is an inbred mouse strain from the Black and Tan Brachyury line, the leading idiopathic autism model: low sociability, unusual vocalizations, high grooming, and complete corpus callosum agenesis.
BTDigg
BTDigg, also known as Btdig, is a BitTorrent DHT search engine launched in 2011 that indexes magnet links by crawling the distributed hash table rather than collecting torrent files.
BTG Pactual (André Jacurski, Luiz Cezar Fernandes, Paulo Guedes)
BTG Pactual, also known as Banco BTG Pactual, is a Brazilian investment bank founded in Rio de Janeiro in 1983 by Luiz Cezar Fernandes, André Jakurski, and Paulo Guedes.
BTG2
BTG2 (B-cell translocation gene 2; TIS21, PC3, APRO1) is a human antiproliferative BTG/Tob family gene on chromosome 1q32 that inhibits G1-S progression, is p53-inducible, and activates mRNA deadenylation via CCR4-NOT.
BTI-Tn-5B1-4
BTI-Tn-5B1-4 (High Five, Hi5) is a Trichoplusia ni (cabbage looper) insect cell line, ATCC CRL-10859, cloned from BTI-Tn-5B1-28 and used with baculovirus and transient systems for high-yield recombinant protein production.
BtL fuel
BtL fuel, short for biomass-to-liquid, is a second-generation synthetic biofuel made by gasifying solid biomass and converting the synthesis gas into diesel, naphtha, or gasoline via Fischer-Tropsch synthesis.
BTLA
BTLA (B- and T-lymphocyte attenuator, CD272) is a CD28-family inhibitory lymphocyte receptor binding HVEM via ITIM/ITSM motifs that recruit SHP-1/SHP-2; targeted by tifcemalimab in cancer immunotherapy trials.
BtoB (비투비) (band)
BtoB (비투비, BTOB), from "Born To Beat," is a South Korean boy group that debuted March 21, 2012 under Cube Entertainment with "Insane"; known for vocal ballads like "It's Okay" and "Missing You," it left Cube in 2023 and now runs BtoB Company.
Btooom!
Btoom! is a Japanese battle-royale manga by Junya Inoue, serialized from 2009 to 2018, in which players of an online bomb game must play it for real.
BTP-4Cl
BTP-4Cl, also known as Y7, is a chlorinated non-fullerene small-molecule acceptor for organic solar cells, reported in 2019, that reached 16.5% efficiency with the donor PBDB-TF.
BTR New Material Group
BTR New Material Group Co., Ltd. is a Chinese manufacturer of anode and cathode materials for lithium-ion batteries, headquartered in Shenzhen and the world's leading anode producer since 2010.
BTR-152
The BTR-152 (БТР-152) was a Soviet 6×6 wheeled armored personnel carrier built on the ZIS-151 truck chassis, accepted into service in 1950; more than 12,000 were built.
BTR-22 (бронетранспортёр)
The BTR-22 (БТР-22) is a Russian 8x8 amphibious armored personnel carrier developed by VPK as a cheaper successor to the BTR-82A, first shown in 2023.
BTR-4
The BTR-4 Bucephalus is an amphibious 8×8 wheeled armored personnel carrier designed in Ukraine, the first post-Soviet Ukrainian APC design to depart from the BTR-80 family layout.
BTR-50 (БТР-50)
The BTR-50 (БТР-50) is a Soviet fully amphibious tracked armored personnel carrier built on the PT-76 light tank chassis, carrying up to 20 infantrymen and produced from 1954 to 1969.
BTR-60 (БТР-60)
The BTR-60 (БТР-60) is a Soviet 8x8 amphibious armored personnel carrier developed at GAZ, produced from 1960 to 1976, and used by more than 40 countries; about 25,000 were built.
BTR-70 (БТР-70)
The BTR-70 (БТР-70) is a Soviet eight-wheel-drive amphibious armored personnel carrier developed at the Gorky Automobile Plant as the BTR-60PB's successor, with about 10,400 built from 1976.
BTR-80 (БТР-80)
The BTR-80 (БТР-80) is a Soviet and Russian 8×8 wheeled amphibious armored personnel carrier armed with a 14.5 mm heavy machine gun and adopted by the Soviet Army in 1986.
BTR-90
The BTR-90 (GAZ-5923), named Rostok (БТР-90 «Росток»), is a Russian 8x8 wheeled amphibious armored personnel carrier designed in 1993 and adopted in 2008, but only 12 were ever built.
BTRC (gene)
BTRC (beta-TrCP1, FBXW1A) is a human chromosome 10q24 gene encoding the F-box/WD40 substrate receptor of the SCF E3 ubiquitin ligase, degrading phosphorylated IκBα, β-catenin, CDC25A and other regulators of NF-κB, Wnt, and cell-cycle signaling.
Btrfs
Btrfs, short for B-tree file system, is a copy-on-write filesystem for Linux. Begun at Oracle by Chris Mason in 2007, it offers snapshots, checksums, and compression.
BTS (방탄소년단)
BTS (방탄소년단), a South Korean boy band, debuted in 2013 under Big Hit Music and became the first group to top both major Billboard charts.