P1, P01, P-1 or P.1 may refer to:

Computing, robotics, and, telecommunications

DSC-P1 Notes: * DSC is an abbreviation for Digital Still Camera * Models without a “V” suffix do not include built-in GPS functionality D series F series G series H series All cameras used CCD sensors and had optical image ...

, a 2000 Sony Cyber-shot P series camera model * Sony Ericsson P1, a UIQ 3 smartphone * Packet One, the first company to launch WiMAX service in Southeast Asia * Peer 1, an Internet hosting provider * Honda P1, a 1993 Honda P series of robots, an ASIMO predecessor

Media

DR P1 DR P1 – in Denmark normally referred to as simply P1 – is a Danish radio station operated by the Danish Broadcasting Corporation. P1 has evolved into a pure voice channel with a focus on news, documentaries, political debates, education, gene ...

, a Danish radio network operated by Danmarks Radio * NRK P1, a Norwegian radio network operated by the Norwegian Broadcasting Corporation * SR P1, a Swedish radio network operated by Sveriges Radio *

Polonia 1 Polonia 1 is one of the first Polish commercial television channels, consisting at first of a network of 12 (and - for a short time - even 13) local TV stations in bigger cities. The station was established by Sardinian businessman Nicola Grauso, ...

, a Polish TV channel of the Polcast Television

Military

P-1 Hawk The P-1 Hawk (Curtiss Model 34) was a 1920s open-cockpit biplane fighter aircraft of the United States Army Air Corps. An earlier variant of the same aircraft had been designated PW-8 prior to 1925."US Military Aircraft Designations & Serials 19 ...

, a 1923 biplane fighter of the U.S. Army Air Corps *

Kawasaki P-1 The Kawasaki P-1 (previously P-X, XP-1) is a Japanese maritime patrol aircraft developed and manufactured by Kawasaki Aerospace Company. Unlike many maritime patrol aircraft, which are typically conversions of civilian designs, the P-1 is a pur ...

, a Japanese maritime patrol aircraft (previously P-X) * P-1 (missile), a Soviet anti-ship cruise missile

Science

Biology

* P1

antigen In immunology, an antigen (Ag) is a molecule or molecular structure or any foreign particulate matter or a pollen grain that can bind to a specific antibody or T-cell receptor. The presence of antigens in the body may trigger an immune response. ...

, identifies P antigen system * P1 laboratory, biosafety -level-1 laboratory *

P1 phage P1 is a temperate bacteriophage that infects ''Escherichia coli'' and some other bacteria. When undergoing a lysogenic cycle the phage genome exists as a plasmid in the bacterium unlike other phages (e.g. the lambda phage) that integrate into t ...

, a bacterial virus * SARS-CoV-2 Gamma variant, a strain of COVID-19 virus SARS-CoV-2 first detected in Manaus, Brazil in 2020 *

ATC code P01 P01A Agents against amoebiasis and other protozoal diseases P01AA Hydroxyquinoline derivatives :P01AA01 Broxyquinoline :P01AA02 Clioquinol :P01AA04 Chlorquinaldol :P01AA05 Tilbroquinol :P01AA30 Tilbroquinol and tiliquinol :P01AA52 Clioquinol, ...

''Antiprotozoals'', a subgroup of the Anatomical Therapeutic Chemical Classification System *

Pericarp color1 Phlobaphenes (or phlobaphens, CAS No.:71663-19-9) are reddish, alcohol-soluble and water-insoluble phenolic substances. They can be extracted from plants, or be the result from treatment of tannin extracts with mineral acids (tanner's red). The nam ...

(p1), a gene in the phlobaphene biosynthesis pathway in maize * C1 and P1 (neuroscience), a component of the visual evoked potential * P1 nuclease, a nuclease that works on single-stranded DNA as well as RNA

Other sciences

* Period 1 of the periodic table *

Pollard's p − 1 algorithm Pollard's ''p'' − 1 algorithm is a number theoretic integer factorization algorithm, invented by John Pollard in 1974. It is a special-purpose algorithm, meaning that it is only suitable for integers with specific types of factors; ...

for integer factorization *

P-ONE The Pacific Ocean Neutrino Experiment, or P-ONE, is a proposed neutrino observatory using an area of the north-eastern Pacific Ocean off the coast of British Columbia, Canada, to entrap neutrinos for study and experimentation. The proposal invol ...

- a proposed neutrino detector

Transportation

Automobiles

P1 International Damon Graham Devereux Hill, (born 17 September 1960) is a British former professional racing driver from England and the 1996 Formula One World Champion. He is the son of Graham Hill, and, along with Nico Rosberg, one of two sons of a Formula ...

, a car club founded in Leatherhead, Surrey, England *

Alfa Romeo P1 Alfa Romeo P1 or Alfa Romeo Tipo P1 was the first Grand Prix car made by Alfa Romeo in 1923. The car had a 2.0 L straight-6 engine and it produced at 5000 rpms. Three cars were entered in the Italian GP at Monza in 1923, for Antonio Ascari, Giuse ...

, a 1932 Grand Prix car *

Allard P1 The Allard P1 (known when new more often than not simply as the Allard 3.6-litre Saloon) is a five-seater two-door sports saloon produced by the British Allard Motor Company between 1949 and 1952. 155 Allard P1s were built. The cars used Ford en ...

, a 1949 British five seater two door sports saloon *

McLaren P1 The McLaren P1 is a limited-production mid-engine plug-in hybrid sports car produced by British automobile manufacturer McLaren Automotive. Debuted at the 2012 Paris Motor Show, sales of the P1 began in the United Kingdom in October 2013 and a ...

, a sports car succeeding the McLaren F1. *

Porsche P1 The Egger-Lohner C.2 Phaeton, erronously called Porsche P1, is an electric vehicle built by Egger-Lohner. It is the first vehicle that Ferdinand Porsche somewhat contributed to. The vehicle resembles a horse-drawn carriage with an electrical mot ...

, first electric car produced by Ferdinand Porsche in 1898 * P-1, development code name of the

Subaru 1500 The Subaru 1500 is the first car built by Fuji Heavy Industries, with the development code-name of P1. The prototype used a monocoque body structure and adopting the " ponton" style appearance, with an independent front wishbone suspension and ...

automobile * P1 race class in the

Le Mans Le Mans (, ) is a city in northwestern France on the Sarthe River where it meets the Huisne. Traditionally the capital of the province of Maine, it is now the capital of the Sarthe department and the seat of the Roman Catholic diocese of Le ...

racing series

Aircraft

Abrams P-1 Explorer The Abrams P-1 Explorer was an American purpose-designed aerial photography and survey aircraft that first flew in November 1937. Design and development The Explorer was designed by aerial survey pioneer Talbert Abrams, to meet his needs for a ...

, an American aerial survey aircraft *

Dewoitine P-1 Constructions Aéronautiques Émile Dewoitine was a French aircraft manufacturer established by Émile Dewoitine at Toulouse in October 1920. The company's initial products were a range of metal parasol-wing fighters which were largely ignored by th ...

, a Dewoitine aircraft * DFW P.1, a passenger aircraft development of the 1916 DFW C.V * Paradise P-1 LSA, a Brazilian light-sport aircraft

Rail

* P1 (AirTrain Newark station), a station on AirTrain Newark, NJ, USA * Alsace-Lorraine P 1, a German steam locomotives class *

LNER Class P1 The London and North Eastern Railway Class P1 Mineral 2-8-2 Mikado was a class of two steam locomotives designed by Nigel Gresley. They were two of the most powerful freight locomotives ever designed for a British railway. It was initially inten ...

, a locomotive designed by Nigel Gresley

Other uses

* Front-runner, or position 1 (P.1) * Papyrus 1, also known as P1, P, or , an early papyrus copy of part of the New Testament * Walther P1, an aluminum-framed variant of the Walther P38 pistol * ''

Pioneer One ''Pioneer One'' is a 2010 United States, American web series produced by Josh Bernhard and Bracey Smith. It was crowdfunding, funded purely through donations, and is the first series created for and released on BitTorrent (protocol), BitTorrent n ...

'', an open source web series * P-1 (submarine), a fictional patrol craft in the animated TV series ''Marine Boy''