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Agar diffusion test
The agar diffusion test is a microbiology assay that measures a bacterium's susceptibility to an antimicrobial by the zone of inhibited growth around a drug disk on agar.
Agar dilution
Agar dilution is a microbiology method that determines an antimicrobial's minimum inhibitory concentration against bacteria by incorporating twofold drug dilutions into agar plates, and remains a CLSI and EUCAST reference method for fosfomycin and anaerobes.
Agar plate
Agar plate: a Petri dish of nutrient broth solidified with 1.5–2% agar from red seaweed, used to grow and isolate microbes; agar replaced gelatin after Fanny Hesse's 1882 suggestion.
Agar.io
Agar.io, browser and mobile MMO cell-eating game by Matheus Valadares, released April 28, 2015, published by Miniclip; launched the .io genre with Slither.io and Diep.io, peaked at 60 million monthly players in 2015.
Agaricaceae
Agaricaceae (Chevallier 1826), type genus Agaricus, a family of gilled and puffball-like mushroom fungi in Agaricales suborder Agaricineae; about 60 genera including Agaricus, Lepiota, Chlorophyllum, and Leucoagaricus; includes the cultivated button mushroom.
Agaricales
Agaricales (order of Basidiomycota, class Agaricomycetes): the gilled-mushroom order, also containing puffballs, bird's nests, coral fungi, and truffles; 8 suborders, 46 families, over 40,000 species; six major clades from Matheny's six-gene analysis.
Agaricostilbomycetes
Agaricostilbomycetes is a class of basidiomycete fungi in the subphylum Pucciniomycotina, circumscribed in 2006 from rDNA analyses and defined by dimorphic members with a yeast or yeast-like phase.
Agaricus
Agaricus, a genus of gilled mushrooms in the family Agaricaceae, includes the button mushroom, the most cultivated mushroom in the world, alongside some toxic species.
Agaricus bisporus
Agaricus bisporus, also known as white button mushroom and portobello, is a widely cultivated basidiomycete. It began in Paris during Louis XIV's reign and was scientifically described in 1707.
Agaricus campestris
Agaricus campestris, the field or meadow mushroom, is an edible grassland Agaricaceae fungus described by Linnaeus in 1753, with pink gills darkening to chocolate brown, a blackish-brown spore print, and deadly Amanita lookalikes.
Agarose
Agarose, a neutral polysaccharide from red algae, forms thermoreversible gels used as the standard electrophoresis matrix for DNA fragments above roughly 1 kb, and as microspheres and hydrogels for chromatography, drug delivery, and tissue engineering.
Agarose gel electrophoresis
Agarose gel electrophoresis (AGE) separates DNA and RNA fragments by size through a porous agarose matrix, typically 0.5–2% gels, 100 bp to 30 kb, TAE/TBE buffers, ethidium bromide staining, distinct from higher-resolution polyacrylamide PAGE.
Agartala (আগরতলা)
Agartala (আগরতলা), capital of Tripura, India, on the Haora River flood plains about 2 km from Bangladesh. Manikya capital since 1849; fast-growing city with MBB Airport, AMC governance, and a 2045 master plan.
Agarum
Agarum was a land, or possibly an island, of Dilmun named in cuneiform texts and conventionally identified with Failaka Island, Kuwait, known as the land of the god Inzak.
Agarwood
Agarwood (oud, aloeswood, gaharu) is fragrant resinous heartwood from Aquilaria and Gyrinops trees formed after fungal infection; CITES Appendix II listed, traded as incense, oil, and perfume worth up to $120,000/kg.
Agassiz (Martian crater)
Agassiz is a 108.77-km-wide impact crater on Mars at 69.88°S, 271.11°E in Mare Australe, named for naturalist Jean L. Agassiz and approved by the IAU in 1973.
Agassiz Ice Cap
Agassiz Ice Cap, Ellesmere Island, Nunavut, Canada; large high Arctic ice cap (~17,300–21,000 km²) named for Louis Agassiz; official since 1967; ice cores show recent melt highest in 4200 years.
Agasthyamala Biosphere Reserve
Agasthyamala Biosphere Reserve, a UNESCO MAB site (2016) in the southern Western Ghats of Tamil Nadu and Kerala, India; 3,500 km² tropical forest with high endemism, Kani tribes, and Shendurney, Peppara, Neyyar sanctuaries plus Kalakad Mundanthurai Tiger Reserve.
Agastim alfa for injection (阿格司亭α)
Agastim alfa for injection (阿格司亭α, albipagrastim alfa, brand 迈粒生, code 8MW0511) is a long-acting HSA-fusion G-CSF from Mabwell's Taikang Biopharmaceutical, NMPA-approved May 2025 to prevent febrile neutropenia in chemotherapy patients, dosed 500 μg/kg once per cycle.
Agastya (அகத்தியர்)
Agastya (அகத்தியர், Agattiyar) is a sage venerated in Sanskrit and Tamil traditions, credited with Rigveda hymns, the lost Agattiyam grammar, and the first Tamil Sangam.
Agastyaharitaki rasayana
Agastyaharitaki rasayana (Agastya Haritaki Rasayana) is a classical Ayurvedic avaleha herbal jam built on Terminalia chebula and dashamoola, recorded in Charaka, Sushruta, and Ashtanga Hridaya, dosed 6-12 g, used for cough, asthma, hiccough, and respiratory disorders.
AGATA (gamma-ray detector)
AGATA (Advanced GAmma Tracking Array) is a European gamma-ray spectrometer for nuclear structure studies that tracks gamma rays in segmented high-purity germanium crystals without suppression shields, operating at Legnaro, GSI, and GANIL since 2010.
Agata Kristi
Agata Kristi (Агата Кристи) is a Soviet and Russian rock band from Sverdlovsk, founded in 1988 by the brothers Vadim and Gleb Samoylov, best known for the 1993 hit "Kak na voyne".
Agata Smogorzewska
Agata Smogorzewska is a Polish-born physician-scientist who leads the Laboratory of Genome Maintenance at Rockefeller University, best known for identifying the Fanconi anemia protein FANCI.
Agata-nushi
Agata-nushi (県主) was the title of the chief who governed an agata, a local territorial unit under the early Yamato polity in Japan, later surviving as a hereditary clan title.
Agate
Agate is a banded variety of chalcedony, a fine-grained quartz, that forms in colorful layers filling cavities in volcanic rocks, with Brazil the major commercial source.
Agatha All Along
Agatha All Along is a 2024 Marvel Television Disney+ series, a WandaVision spin-off created by Jac Schaeffer, starring Kathryn Hahn as a powerless Agatha Harkness walking the Witches' Road with a coven led by Joe Locke's Teen.
Agatha Christie
Agatha Christie (1890–1976), the Queen of Crime, English creator of Hercule Poirot and Miss Marple; 66 detective novels, two billion copies sold, The Mousetrap, Mary Westmacott pseudonym, 1926 disappearance.
Agatha Christie bibliography
The Agatha Christie bibliography is the body of work by the British crime writer Agatha Christie: 66 detective novels and 14 short story collections published between 1920 and 1976.
Agatha Christie's Hjerson
Agatha Christie's Hjerson is a 2021 Swedish mystery series, the first TV adaptation of a Christie spin-off character: Ariadne Oliver's fictional detective Sven Hjerson, played by Johan Rheborg, solving modern whodunnits with producer Klara Sandberg on C More and TV4.