All articles starting with R
22,461 articles
RIP-chip
RIP-chip (ribonucleoprotein immunoprecipitation followed by microarray analysis) is a molecular biology method that identifies RNAs recovered with a chosen RNA-binding protein in a cell population.
RIP-seq
RIP-seq, or RNA immunoprecipitation followed by sequencing, is a molecular biology method that identifies the RNAs bound to a chosen RNA-binding protein inside cells, reporting transcript-level enrichment rather than exact binding sites.
Ripar Surf School
Ripar Surf School (Ripar Academia de Surf, Unipessoal Lda.), founded 2001 by Rui Pedro in Praia da Areia Branca, Lourinhã, Portugal, is a family-run surf school and camp near Peniche offering certified lessons, rentals, and hostel packages.
Riparia
Riparia is a genus of burrow-nesting swallows (Hirundinidae) called bank swallows or sand martins; type species Riparia riparia, six species, near-cosmopolitan, IUCN Least Concern but decreasing.
Riparian water rights
Riparian water rights give landowners bordering a waterbody rights to reasonable use of its water, attached to the land and not lost by non-use; the doctrine predominates in the eastern United States, contrasting with western prior appropriation.
Riparian zone
Riparian zone: land alongside rivers, streams, lakes, and wetlands shaped by their hydrology, transitional between wetland and upland. Vegetated buffers there trap sediment and remove 12–80% of nitrogen; biodiversity needs far wider corridors than water quality.
RIPC-PVD trial
RIPC-PVD (NCT02273232) was a phase 1 pilot randomized trial by National University of Ireland, Galway testing remote ischemic preconditioning, with or without supervised exercise, in 40 moderate peripheral vascular disease patients; completed 2017, no results posted.
Ripcurl
Rip Curl (Ripcurl), Australian surf company founded 1969 in Torquay, Victoria by Doug Warbrick and Brian Singer; maker of Flashbomb wetsuits and host of the Rip Curl Pro Bells Beach, the world's longest-running pro surfing contest.
Ripe (American band)
Ripe: American funk-pop band formed in Boston in 2011 by Berklee College of Music students, led by singer Robbie Wulfsohn; distinct from Danish metal bands and Australian indie rock acts of the same name; albums Joy in the Wild Unknown, Bright Blues, Play the Game.
Ripening
Ripening, also known as fruit ripening, is the final phase of fruit maturation, a hormonally regulated process of pigment accumulation, softening, and aroma development; climacteric fruits like bananas ripen after harvest, while strawberries do not.
Ripertamab
Ripertamab, brand name Anpingxi (安平希), is a Chinese anti-CD20 monoclonal antibody, developed by Sinocelltech and approved in China in 2022 for diffuse large B-cell lymphoma.
Ripio
Ripio is an Argentine cryptocurrency platform founded in 2013 as BitPagos and rebranded in 2017, providing a retail wallet and exchange, a Visa card, and business-to-business crypto infrastructure.
RIPK1
RIPK1 (RIP, receptor-interacting protein kinase 1) is a 74 kDa serine/threonine kinase with a death domain that decides survival NF-κB signaling versus apoptosis and necroptosis downstream of TNFR1, and a clinical drug target.
RIPK2
RIPK2 (RIP2, RICK, CARD3, CARDIAK) is a human serine/threonine kinase adaptor for NOD1/NOD2 innate immune receptors, activating NF-κB and MAPK via XIAP-mediated ubiquitination; a drug target in IBD with no approved specific inhibitor yet.
RIPK3
RIPK3 (RIP3, receptor-interacting serine/threonine kinase 3) is a cytosolic kinase with a RHIM domain that executes necroptosis by phosphorylating MLKL and regulates inflammation, metabolism, and host defense, with no approved RIPK3 inhibitors in trials.
Ripley (TV series)
Ripley is Steven Zaillian's eight-episode 2024 Netflix limited series adapting Patricia Highsmith's The Talented Mr. Ripley, starring Andrew Scott, Dakota Fanning, and Johnny Flynn, shot in black and white by Robert Elswit, winner of four Emmys and a Peabody Award.
Ripley's Believe It or Not!
Ripley's Believe It or Not! is an American franchise that expanded from newspaper cartoons to a global museum network. It currently operates over 100 attractions in 9 countries.
Ripley's Game (film)
Ripley's Game (Il gioco di Ripley) is Liliana Cavani's 2002 thriller adapting Patricia Highsmith's third Ripley novel, starring John Malkovich as Tom Ripley, with Dougray Scott and Ray Winstone; it premiered at Venice 2002 and went direct-to-video in the US.
Ripon
Ripon is a small cathedral city in North Yorkshire, England, founded around St Wilfrid's 672 church whose Anglo-Saxon crypt survives; it became a cathedral city in 1836, has about 16,190 residents, a Thursday market, and 1,300 homes planned at the former barracks.
Ripper Chandran
Ripper Chandran (Muthukutty Chandran, റിപ്പർ ചന്ദ്രൻ, 1950–1991), Kerala serial killer who murdered 14 people in 1985–86 robberies, hanged at Kannur Central Jail on 6 July 1991, Kerala's last execution.
Ripper Crew
Ripper Crew, or Chicago Rippers: four-man satanic serial-killing group (Robin Gecht, Edward Spreitzer, Andrew and Thomas Kokoraleis) that abducted, mutilated, and murdered up to 20 women in Chicago, 1981-1982.
Ripper Street
Ripper Street is a 2012-2016 BBC and Amazon Victorian crime drama set in Whitechapel, 1889, after the Jack the Ripper murders, following H Division detectives Reid, Drake, and Jackson across five series and 37 episodes.
Ripple (electrical)
Ripple, also called ripple voltage, is the periodic AC voltage superimposed on a power supply's DC output, caused by incomplete suppression of the alternating waveform.
Ripple (TV series)
Ripple is a 2025 Canadian ensemble drama series created by Michele Giannusa, also known as the Hallmark+ series that moved to Netflix. Eight 42-minute TV-PG episodes follow four New York strangers, Walter, Kris, Nate, and Aria, whose lives interconnect through small chance events.
Ripple effect
Ripple effect (波及効果, Hakyuu Kouka, Hakyuu) is a Nikoli logic puzzle first published May 1998: fill each outlined room with 1 to N, keeping equal numbers at least that far apart in rows and columns.
Ripple Labs
Ripple Labs, shortened to Ripple, is an American blockchain and fintech company that builds payments, custody, and stablecoin products and is tied to the XRP Ledger and XRP.
Ripples Across Stagnant Water
Ripples Across Stagnant Water (死水微澜, Sishui weilan) is a 1936 novel by Chinese writer Li Jieren, the first volume of his Great River trilogy set near Chengdu.
Ripples of Life
Ripples of Life (永安镇故事集) is a 2021 Chinese meta-comedy drama by Wei Shujun, 123 minutes, premiered at Cannes Directors' Fortnight, about a film crew disrupting a small Hunan town in three chapters.
Rippling (company)
Rippling is a San Francisco workforce management software company that unifies HR, payroll, IT, and finance tools, founded in 2016 by former Zenefits executive Parker Conrad and Prasanna Sankar.
Rippling muscle disease
Rippling muscle disease (RMD), a rare caveolinopathy also called CAV3-related muscle hyperirritability, causes electrically silent rippling, mounding, and stiffness; forms are hereditary (CAV3, CAVIN1) or immune-mediated with cavin-4 antibodies.