Ortho ketones: 2-butanone, 2-pentanone, 2-hexanone ... Acrylamide was determined by liquid chromatography-mass spectrometry with dilution of stable isotopes according to GB 5009.204-2014, the first ...

Mass spectrometry data were acquired using MassLynx software ... and 4-hydroxy-4-(methylnitrosamino)-1-(3-pyridinyl)-1-butanone were significantly downregulated. Compared with the MG group, ...

Mass spectrometry is an analytical technique that uses an instrument called a mass spectrometer to measure the mass-to-charge ratios of molecular ions. Molecules fragment within the mass ...

In a first, physicists have directly seen Hofstadter’s butterfly—a long-sought-after fractal in the quantum realm ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...

TOPEKA, Kan. (KCTV) - A group of Catholic students has formed a petition with more than 22,000 signatures asking Kansas Governor Laura Kelly to cancel a Black Mass scheduled to take place at the ...

Scientists from Tabriz University and the University of Tabriz explored cellulose acetate-UiO-66-COOH as an affordable ...

To find out the molecular weight of a compound is the basic task for mass spectrometry. If this is done precisely, it is possible to determine the elemental composition. If there are isomers with ...

ICE is preparing for mass operations, while critics say the reversal of Biden-era policies will ignite national chaos.

Starlink applied to the Italian authorities for access to E-band spectrum to boost communications between its three ground stations in Italy and its satellite network two years ago, the two ...

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