All articles starting with P
28,818 articles
Phonophoresis
Phonophoresis, also called sonophoresis, is a physical therapy technique that uses ultrasound to drive topical medication through the skin, used since the 1950s for pain and inflammation, especially knee osteoarthritis.
Phonopy
Phonopy is an open-source Python package for calculating phonon properties of crystalline solids from first-principles forces, developed by Atsushi Togo and Isao Tanaka of NIMS and Kyoto University.
Phony
Phony is a 2026 Hulu coming-of-age mystery comedy-drama created by Nick Paley, starring Connie Britton and Sam Nivola. Teen Sonny Cooke, after a car accident, suspects his mother Ellen has been replaced by an impostor; eight half-hour episodes premiered October 20, 2026.
Phool Aur Angaar
Phool Aur Angaar is a 1993 Hindi action revenge drama directed by Ashok Gaikwad, starring Mithun Chakraborty as professor Vijay Saxena, with Shantipriya, Prem Chopra, and Paresh Rawal; music by Anu Malik, produced by Salim Akhtar.
Phool Aur Kaante (फूल और काँटे)
Phool Aur Kaante (फूल और काँटे) is a 1991 Hindi action drama directed by Kuku Kohli, marking Ajay Devgn's debut opposite Madhoo with Amrish Puri; a major hit famous for its two-motorcycle entry scene and Nadeem-Shravan music.
Phool Pishi O Edward
Phool Pishi O Edward (ফুল পিসি ও এডওয়ার্ড) is a 2026 Bengali mystery drama by Nandita Roy and Shiboprosad Mukherjee, their 25th film, released 29 May 2026, starring Sohini Sengupta as an aunt investigating a zamindar's wedding-night death.
Phoolan (film)
Phoolan (2026) is a Hindi biographical drama directed by Richie Mehta, based on Phoolan Devi's autobiography, depicting a 48-hour siege by 2,000 armed men; premiered at TIFF September 16, 2026, starring Sneha Kumari, a Prime Video original from Namah Pictures and Amazon MGM Studios.
Phoolan Devi (फूलन देवी)
Phoolan Devi (फूलन देवी), India's "Bandit Queen," a dacoit leader of the Chambal Valley linked to the 1981 Behmai massacre, who surrendered in 1983, served eleven years in prison, was twice elected to the Lok Sabha, and was assassinated in New Delhi in 2001.
Phoradendron
Phoradendron, American true or leafy mistletoe, is a New World genus of hemiparasitic Santalaceae with about 271 accepted species, attached by woody-gall haustoria, less toxic than Viscum, and used in folk medicine.
Phorate
Phorate (CAS 298-02-2), also sold as Thimet, is a highly toxic organophosphate insecticide, acaricide, and nematicide used on corn, potatoes, and cotton; a US restricted use pesticide not approved in the EU.
Phorbol
Phorbol is a tetracyclic diterpenoid alcohol, first characterized from croton oil in 1930, whose esters are potent protein kinase C activators and classic tumor-promoting research tools.
Phorbol 12-myristate 13-acetate
Phorbol 12-myristate 13-acetate (PMA), also called TPA, is a potent phorbol ester from croton oil that mimics diacylglycerol and is widely used to activate protein kinase C in cells.
Phorbol-12-myristate-13-acetate-induced protein 1
PMAIP1/Noxa is a BH3-only proapoptotic BCL2 family protein, a sensitizer that selectively binds MCL1 and A1 and targets MCL1 for proteasomal degradation in mitochondrial apoptosis and cancer therapy response.
Phorcys
Phorcys (Φόρκυς, also Phorkys, Phorcus) is the ancient Greek primordial sea god of the deep's hidden dangers, son of Pontus and Gaia, consort of Ceto, and father of the Graeae, Gorgons, Echidna, and Scylla.
Phoridae
Phoridae, the scuttle, humpbacked, or coffin flies, are tiny 0.4–6 mm cyclorrhaphan Diptera with reduced wing venation, over 4,400 described species, and diverse lifestyles including ant parasitoidism, kleptoparasitism, and forensic relevance.
Phormidium
Phormidium, a genus of mat-forming filamentous cyanobacteria (Oscillatoriales), type species P. lucidum. Some species produce anatoxins; toxic benthic proliferations have spread in New Zealand rivers and elsewhere.
Phormium
Phormium (New Zealand flax, harakeke) is a genus of two Asphodelaceae species native to New Zealand and Norfolk Island, grown for fibre, weaving, and ornament, with erect capsules distinguishing P. tenax.
Phorusrhacidae
Phorusrhacidae, commonly called terror birds, are an extinct family of large flightless carnivorous birds, dominant predators in South America from the middle Eocene to the latest Pleistocene.
PhosAgro
PhosAgro is a vertically integrated Russian fertilizer producer, incorporated in 2001, ranking third globally in phosphate fertilizer capacity and selling to more than 100 countries.
Phosalone
Phosalone is a non-systemic organophosphate insecticide and acaricide, formerly sold as Zolone and Rubitox, used for pre-harvest control of pests in agriculture, horticulture, and vineyards.
Phosametine
Phosametine (LS 830556, huangcaoling) is an obsolete organophosphate herbicide and EPSP synthase inhibitor, synthesized 1985 by Rhône-Poulenc, used against grass and broadleaved weeds, not approved in the EU since 2011.
Phosgene
Phosgene, also known as carbonyl chloride, is a colorless, highly toxic gas produced on a large industrial scale, chiefly for polyurethane manufacture, and once used in chemical warfare.
Phoslock
Phoslock is a lanthanum-modified bentonite clay, about 95% bentonite and 5% lanthanum, that binds phosphorus in lakes and reservoirs to control eutrophication and cyanobacterial blooms.
Phosmet
Phosmet is a non-systemic organophosphate insecticide and acaricide that kills insects by contact and ingestion through inhibition of acetylcholinesterase, used mainly on fruit crops and first registered in the United States in 1966.
Phosphaalkyne
A phosphaalkyne is an organophosphorus compound of the general formula R–C≡P, containing a phosphorus–carbon triple bond; the parent compound, phosphaethyne, was synthesized in 1961.
Phosphamidon
Phosphamidon (Dimecron), CAS 13171-21-6, is an organophosphate acetylcholinesterase-inhibiting insecticide and acaricide used since 1956; WHO Class Ia extremely hazardous, Rotterdam Convention-listed, no longer used in the US or EU.
Phosphatase
Phosphatase: enzyme that hydrolytically removes phosphate groups, the counterpart of kinases. Protein phosphatases fall into PPP, PPM, and PTP families; PTPs use a Cx5R cysteine motif, and none has an approved drug.
Phosphate
Phosphate is any salt or ester of the tetrahedral phosphate ion PO₄³⁻, the form in which nearly all natural phosphorus occurs and a nutrient essential to DNA, cellular energy, and cell membranes.
Phosphate acetyltransferase
Phosphate acetyltransferase (phosphotransacetylase, PTA, EC 2.3.1.8) is a bacterial and archaeal enzyme interconverting acetyl-CoA + phosphate and acetyl phosphate + CoA, central to the acetate switch, ATP-yielding acetate dissimilation, and acetyl phosphate-dependent lysine acetylation.
Phosphate binding protein
Phosphate binding protein (PstS, PBP) is the periplasmic or membrane-anchored binding component of the bacterial high-affinity PstSCAB ABC phosphate transporter, with submicromolar phosphate affinity, Venus-flytrap two-domain structure, 12-14 hydrogen bonds, arsenate discrimination, and uses in biosensors and phosphate recovery.