42,772 articles
Maleic anhydride grafted polypropylene
Maleic anhydride grafted polypropylene (PP-g-MAH, sold as MAPP) is polypropylene bearing reactive anhydride groups, used as a compatibilizer and coupling agent for fillers like glass fiber.
Maleimide
Maleimide (C4H3NO2) is a five-membered cyclic dicarboximide and strong Michael acceptor for thiols, widely used for protein bioconjugation, antibody–drug conjugates such as Adcetris, and thermosetting bismaleimide resins.
Malic acid
Malic acid, also known as apple acid, is a naturally occurring acid that gives apples and pears their tart taste and acts in the citric acid cycle.
Malin Falkenmark
Malin Falkenmark (1925–2023) was a Swedish hydrologist who devised the Falkenmark indicator, one of the most used water scarcity indices, and introduced the green water and blue water distinction.
Malin Pinsky
Malin L. Pinsky is a biologist and professor at UC Santa Cruz who studies how ocean life shifts and adapts to climate change, informing fisheries management and conservation.
Malliavin calculus
Malliavin calculus is a stochastic calculus of variations introduced by Paul Malliavin in the 1970s, differentiating random variables with respect to Brownian noise to prove smoothness of densities.
Malmberget mine
The Malmberget mine is a large underground iron ore mine at Malmberget near Gällivare in Swedish Lapland, operated by the state-owned company LKAB since 1890.
Malmquist index
The Malmquist index is a total factor productivity index measuring productivity change between two periods through ratios of distance functions, with no price data needed.
Malo L. J. Hautus
Malo L. J. Hautus (Matheus Lodewijk Johannes Hautus, born 1940) is a Dutch mathematician and emeritus professor at Eindhoven University of Technology, known for the Hautus test.
Malonaldehyde
Malonaldehyde, also called malondialdehyde (MDA), is the simplest dialdehyde. It is best known as the most used indicator of lipid oxidation in foods and biological systems.
Malonamide
Malonamide (propanediamide), the diamide of malonic acid with formula C₃H₆N₂O₂, is a white, water-soluble crystalline solid whose tetraalkyl derivatives are used in the DIAMEX process for nuclear fuel reprocessing.
Malonic acid
Malonic acid, also known as propanedioic acid, is the simplest saturated dicarboxylic acid, a white crystalline solid used as a building block in organic synthesis.
Malonic ester synthesis
Malonic ester synthesis, also called malonate ester synthesis, is an organic reaction in which diethyl malonate is alkylated, hydrolyzed, and decarboxylated to give a substituted acetic acid.
Malononitrile
Malononitrile (propanedinitrile) is an organic dinitrile with two cyano groups on one carbon, a white crystalline solid used as a building block in organic synthesis.
Malte C. Gather
Malte C. Gather is a German physicist working on organic electronics and biophotonics, known for creating the first biological living laser from a single cell.
Maltitol
Maltitol, a disaccharide sugar alcohol made by hydrogenating maltose, is 80–90% as sweet as sugar with roughly half the calories and is widely used in chocolate and confectionery.
Maltol
Maltol is a naturally occurring organic compound used as a flavoring agent and enhancer, with a caramel-like odor; it occurs in larch bark, pine needles, and roasted malt.
Maltose
Maltose, also called malt sugar, is a disaccharide of two glucose units that forms from starch during mashing and is the principal sugar of beer wort.
Malvern Panalytical
Malvern Panalytical is a British-Dutch manufacturer of analytical instruments for measuring particle size, zeta potential, and crystallographic structure, formed by the 2017 merger of Malvern Instruments and PANalytical.
Malvin Ruderman
Malvin Ruderman (1927–2024) was an American astrophysicist at Columbia University, best known for showing that neutron stars have solid crusts and explaining pulsar glitches as starquakes.
Mamajek 1
Mamajek 1, also known as the η Chamaeleontis cluster (η Cha), is a young open cluster about 97 parsecs away in the southern constellation Chamaeleon, centered on the star η Chamaeleontis.
Mammatus cloud
Mammatus cloud, also written mamma, is a supplementary cloud feature of rounded pouches hanging from a cloud base, often on thunderstorm anvils, and is not a tornado signal.
Mamoru Tobisu
Mamoru Tobisu (鳶巣守) is a Japanese organic chemist and professor at The University of Osaka, known for single-carbon atom transfer reactions, β-lactam synthesis, and nickel-catalyzed C–O bond activation.
Man in the Moon
The Man in the Moon is a figure of Western folklore: a face people see in the Moon's dark lunar maria, an illusion known as pareidolia.
Management control system
A management control system (MCS) is the set of routines and procedures managers use to keep organizational activity aligned with objectives, covering budgets, incentives, monitoring, and culture.
Manam
Manam (Manam Motu) is a basaltic-andesitic stratovolcano island, 10 km wide, 13 km off Papua New Guinea's Madang coast; eruptions recorded since 1616, two summit craters, major 2004-05 and 2019 eruptions, and top-tier global volcanic SO2 and CO2 emissions.
Mancos Shale
The Mancos Shale is a Late Cretaceous marine shale formation of the Western Interior of the United States, named in 1899 for Mancos Valley and the town of Mancos, Colorado.
Mandar M. Deshmukh
Mandar M. Deshmukh, also known as Mandar Deshmukh, is an Indian condensed matter physicist at TIFR Mumbai, a 2015 Shanti Swarup Bhatnagar Prize winner working on 2D materials.
Mandë Holford
Mandë Holford is a marine chemical biologist who studies the venoms of predatory marine snails as a source of peptide-based drugs for pain and cancer.
Mandelbrot set
The Mandelbrot set, also known as the Mandelbrot fractal, is a set of complex numbers whose iterated quadratic map stays bounded, the most recognizable image of fractal geometry.