S1

S1, S01, S.I, S-1, S.1, Š-1 or S 1 may refer to:

• S1 nuclease, an enzyme that digests singled-stranded DNA and RNA
• S1: Keep locked up, a safety phrase in chemistry
• Primary somatosensory cortex, also known as S1
• Tegafur/gimeracil/oteracil, also known as S-1, a chemotherapy medication

• S1 (Indian TV channel), a Hindi-language channel
• S1 (Swiss TV channel), a German-language channel
• S1 (producer), a hip hop producer, member of the group Strange Fruit Project
• S1 No. 1 Style, a Japanese adult video company
• Gibson S-1, a guitar made by the Gibson Guitar Corporation
• A member of the S1W (group) that later became part of the music group Public Enemy.

• Bill S-1, a pro forma bill in Canadian Parliament
• Form S-1, a U.S. Securities and Exchange Commission filing
• S-1 Executive Committee, a United States government entity during World War II
• S1 (military), an administrative position within military units

• ACPI S1 power state, in computing; see Advanced Configuration and Power Interface § Global states
• Apple S1, integrated computer used in the Apple Watch
• Canon PowerShot S1 IS, a 2004 3.2 megapixel digital camera
• FinePix S1 Pro, a 2000 interchangeable lens digital single-lens reflex camera by Fujifilm
• Nikon Coolpix S1, a digital camera
• S1 Corporation, an American software development company
• S1 Core, a microprocessor-core
• S1 MP3 Player
• Samsung Galaxy S (2010 smartphone)
• Sendo S1, a Sendo mobile phone model
• Siemens S1, a Siemens mobile phone
• Sony BDP-S1, a first generation Blu-ray Disc (BD) Player
• S1, an EPC in an LTE/4G network

• Line S1 (Beijing Subway)
• Line S1 (Nanjing Metro)
• Line S1 (Wenzhou Rail Transit)
• S1 Yingbin Expressway in Shanghai

• S1 (Berlin), an S-Bahn line
• S1 (Dresden), an S-Bahn line
• S1 (Munich), an S-Bahn line
• S1 (Nuremberg), an S-Bahn line
• S1 (Rhine-Main S-Bahn), an S-Bahn line
• S1 (Rhine-Ruhr S-Bahn), an S-Bahn line
• S1 (Stuttgart), an S-Bahn line
• a planned Bremen S-Bahn line
• a Hamburg S-Bahn line
• a Hanover S-Bahn line
• a RheinNeckar S-Bahn line
• a Rostock S-Bahn line
• a Stadtbahn Karlsruhe line

• S1 (Bern S-Bahn), an S-Bahn line in the canton of Bern
• S1 (RER Vaud), an S-Bahn line in the canton of Vaud
• S1 (St. Gallen S-Bahn), an S-Bahn line in the canton of St. Gallen
• S1 (ZVV), now subsumed by S24, a Zürich S-Bahn line

• County Route S1 (California)
• S1 (Long Island bus)

• S1 (Vienna), an S-Bahn line in Austria
• Line S1 (Milan suburban railway service), Italy
• S-1 Strategic Highway, Pakistan
• Expressway S1 (Poland)
• FGC line S1, a suburban train line in Barcelona Province, Spain
• Stagecoach Gold bus route S1, in Oxfordshire, England, UK

• Blackburn Buccaneer S.1 jet naval strike aircraft
• Focke-Wulf S 1, a German Focke-Wulf aircraft
• Fokker S.I, a 1919 Dutch primary trainer aircraft
• Hopfner S-1, a Hopfner aircraft
• Letov S-1, a 1920 Czechoslovak surveillance aircraft
• Loening S-1, a United States Army Air Service seaplane
• Loughead S-1 Sport 1920 US biplane
• Martinsyde S.1, a 1914 British biplane aircraft
• Pantsir-S1, a Russian anti-aircraft system
• Pitts S-1 aerobatic biplane
• S-1 Loening, a United States Army Air Service seaplane
• SSBS S1, a French experimental rocket
• Swift S-1, a 1991 Polish single seat aerobatic glider

• AS S1, a 1927 car manufactured in Poland
• Audi S1, performance variant of Audi A1
• Invicta S1, a 2004 sports car
• Leapmotor S01, an all-electric car
• S1 Scout Car, an armoured car built in Australia during the Second World War
• Superformance S1 Roadster, a Lotus Seven Type replicar produced in South Africa 2001–2004
• Saleen S1, an American sports car

• Alco S-1, a locomotive
• PRR S1, a duplex locomotive developed by the Pennsylvania Railroad
• LNER Class S1, a class of British steam locomotives
• NER Class S1, a class of British steam locomotives
• USS S-1 (SS-105), a 1918 United States Navy experimental submarine

• S1 (classification), a disability swimming classification
• S postcode area covering Sheffield City Centre
• in human anatomy:

• the first sacral vertebra
• the sacral spinal nerve 1 of the vertebral column
• the primary somatosensory cortex in the brain

• Senior 1, the First Year in the Scottish secondary education system
• Season (television) or series one
• Comet Ikeya-Seki, C/1965 S1
• Upplands regemente (signal), a 1902 Signal Regiment of the Swedish Armed Forces

S₁ may refer to :

• S1 (heart sound), a heart sound in cardiac auscultation

S¹ may refer to :

• S¹, the n-sphere in two dimensions i.e. a circle
• Inverse second (s⁻¹), a unit of frequency

S01 may refer to :

• Akai S01, an Akai synthesizer
• ATC code S01 Ophthalmologicals, a subgroup of the Anatomical Therapeutic Chemical Classification System
• HMS Porpoise (S01), a 1956 Porpoise-class submarine of the Royal Navy
• MULTI-S01, an encryption algorithm based on a pseudorandom number generator

• 1S (disambiguation)

Topics referred to by the same term

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