B1, B.I, B.1 or B-1 may refer to:

Biology and chemistry

Bradykinin receptor B1 Bradykinin receptor B1 (B1) is a G-protein coupled receptor encoded by the BDKRB1 gene in humans. Its principal ligand is bradykinin, a 9 amino acid peptide generated in pathophysiologic conditions such as inflammation, trauma, burns, shock, and ...

, a human protein * Cinnamtannin B1, a condensed tannin found in cinnamon * Combretastatin B-1, a stilbenoid found in ''Combretum sp.'' *

Fumonisin B1 Fumonisin B1 is the most prevalent member of a family of toxins, known as fumonisins, produced by several species of ''Fusarium'' molds, such as '' Fusarium verticillioides'', which occur mainly in maize (corn), wheat and other cereals. Fumonisi ...

, a toxins produced by several species of ''Fusarium'' molds *

B-1 cell B1 cells are a sub-class of B cell lymphocytes that are involved in the humoral immune response. They are not part of the adaptive immune system, as they have no memory, but otherwise, B1 cells perform many of the same roles as other B cells: maki ...

, a lymphocyte type * Arecatannin B1, a tannin found in the betel nut * Proanthocyanidin B1, a B type proanthocyanidin * Vitamin B₁, also known as thiamine

Media

B1 TV B1 TV is a Romanian television network which began broadcasting in 2001 as a general-profile channel and became a news channel in 2011. B1 TV broadcasts 24 hours a day, seven days a week all over the country. Overview B1 TV's main purpose i ...

, a Romanian TV network * A class of FM radio broadcasting in North America

Roads

Vehicles

Rockwell B-1 Lancer The Rockwell B-1 Lancer is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force. It is commonly called the "Bone" (from "B-One"). It is one of three strategic bombers serving in the U.S. Air Force fleet along with ...

, a United States Air Force strategic bomber *

B1 (New York City bus) The Metropolitan Transportation Authority (MTA) operates a number of bus routes in Brooklyn, New York, United States; one minor route is privately operated under a city franchise. Many of them are the direct descendants of streetcar lines (see l ...

serving Brooklyn * B1 type submarine, a World War II Imperial Japanese Navy submarine class * Alsace-Lorraine B 1, an Alsace-Lorraine P 1 class steam locomotive * Marussia B1, a high-performance luxury sports coupé built by Russian automaker Marussia Motors * GS&WR Class B1, a Great Southern and Western Railway Irish steam locomotive * HMS ''B1'', a B-class submarine of the Royal Navy * LB&SCR B1 class, an 1882 British express passenger steam locomotive *

LNER Thompson Class B1 The London and North Eastern Railway (LNER) Thompson Class B1 is a class of steam locomotive designed by Edward Thompson for medium mixed traffic work. Overview It was the LNER's equivalent to the highly successful GWR Hall Class and t ...

, a British steam locomotive *

NCC Class B1 NCC may refer to: Biology *Neural correlates of consciousness, neuronal events and mechanisms relating to perception phenomena *Sodium-chloride symporter, abbreviated as NCC Companies *National Certification Corporation, a nursing specialty cer ...

, a Northern Counties Committee Irish steam locomotive *

Pennsylvania Railroad class B1 The Pennsylvania Railroad's class B1 comprised 42 switcher-type electric locomotives built between 1926 and 1935. They were of 0-6-0 wheel arrangement in the Whyte notation with 700 horsepower. As built, the first 28 locomotives in the 1926 orde ...

, an American electric locomotive *

Saturn B-1 Studied in 1959, the ''Saturn B-1'', was a four-stage concept rocket similar to the Jupiter-C, and consisted of a Saturn IB first stage, a cluster of four Titan I first stages used for a second stage, a S-IV third stage and a Centaur high-energy li ...

, a 1959 four-stage rocket * USS ''B-1'', a United States Navy B-class submarine *

Brasilsat B1 Brasilsat B1 is a Brazilian communications satellite launched on August 10, 1994, by an Ariane rocket model 44LP at Guiana Space Centre which is located in Kourou, French Guiana. History It was constructed by the United States and Brazil and is ...

, a 1994 communication satellite *

Char B1 The Char B1 was a French heavy tank manufactured before World War II. The Char B1 was a specialised break-through vehicle, originally conceived as a self-propelled gun with a 75 mm howitzer in the hull; later a 47 mm gun in a turre ...

, a French heavy tank *

B1 Centauro The Centauro is a family of Italian military vehicles originating from a wheeled tank destroyer for light to medium territorial defense and tactical reconnaissance. It was developed by a consortium of manufacturers, the Società Consortile Iveco ...

, an Italian wheeled tank destroyer *

Boom XB-1 Baby Boom The Boom XB-1 "Baby Boom" is a one-third-scale trijet supersonic demonstrator designed by Boom Technology ( dba "Boom Supersonic") as part of development of the Boom Overture supersonic transport airliner. Powered by three General Electric J8 ...

, an American technology demonstrator aircraft *

Finnish Steam Locomotive Class B1 The Finnish Steam Locomotive Class B1 is an built by Beyer, Peacock & Company, at its Gorton Foundry in Manchester Manchester () is a city in Greater Manchester, England. It had a population of 552,000 in 2021. It is bordered by the C ...

Other

B1 (archive format) B1 is an open archive file format that supports data compression and archiving. B1 files use the file extension ".b1" or ".B1" and the MIME media type application/x-b1. B1 incorporates the LZMA compression algorithm. B1 archive combines a num ...

B1 (classification) B1 is a medical-based Paralympic classification for blind sport. Athletes in this classification are totally or almost totally blind. It is used by a number of blind sports including blind tennis, para-alpine skiing, para-Nordic skiing, blin ...

, a medical-based Paralympic classification for blind sport *

B-1/B-2 Visa A B visa is one of a category of non-immigrant visas issued by the United States government to foreign nationals seeking entry for a temporary period. The two types of B visa are the B-1 visa, issued to those seeking entry for business purposes, ...

, issued by the United States to a foreign citizen seeking to enter the United States of America for business purposes * Brooklyn's Number One, a 1990s rapper from St Albans, Queens, United States appearing on the Kool G Rap's '' 4,5,6'' 1995 album * A subclass of B- class stars * B1, an international standard paper size (707 × 1000 mm), defined in ISO 216 * A level in the Common European Framework of Reference for Languages * A security class in the

TCSEC Trusted Computer System Evaluation Criteria (TCSEC) is a United States Government Department of Defense (DoD) standard that sets basic requirements for assessing the effectiveness of computer security controls built into a computer system. The TCS ...

* the code for permission to use specific land or premises for offices, light industry in

town and country planning in the United Kingdom Town and country planning in the United Kingdom is the part of English land law which concerns land use planning. Its goal is to ensure sustainable economic development and a better environment. Each country of the United Kingdom has its own ...

* A sentient banana in the children's TV series ''

Bananas in Pyjamas ''Bananas in Pyjamas'' is an Australian children's television series that first aired on 20 July 1992 on ABC. It has since been syndicated in many countries and dubbed into other languages. In the United States, the "Pyjamas" in the title wa ...

'' * B1, a model of

battle droid In the ''Star Wars'' space opera franchise, a droid is a fictional robot possessing some degree of artificial intelligence''.'' The term is a clipped form of " android", a word originally reserved for robots designed to look and act like a huma ...

in the ''Star Wars'' franchise * B1, Sydney Australia B-Line bus route * Chopin's Ballade No. 1 * The darkest sky on the Bortle scale

Biology and chemistry

Media

Roads

Vehicles

Other

See also