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The modern chemical symbol for sodium, Na, is an abbreviation of that element's Neo-Latin name natrium, which was derived from natron. The name of the chemical element Nitrogen is also a cognate to natron, it derives from Greek nitron and -gen (a producer of something, in this case Nitric acid, which was produced from niter). Niter was also an ...
Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Nicotinamide. Niacinamide or nicotinamide is a form of vitamin B 3 found in food and used as a dietary supplement and medication. [2] [3] [4] As a supplement, it is used orally (swallowed by mouth) to prevent and treat pellagra (niacin deficiency). [3] While nicotinic acid (niacin) may be used for this purpose, niacinamide has the benefit of ...
Lavoisier made many fundamental contributions to the science of chemistry. Following his work, chemistry acquired a strict, quantitative nature, allowing reliable predictions to be made. The revolution in chemistry which he brought about was a result of a conscious effort to fit all experiments into the framework of a single theory. He ...
Infobox references. Nicotinamide adenine dinucleotide ( NAD) is a coenzyme central to metabolism. [3] Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other, nicotinamide.
Antoine-Laurent de Lavoisier (/ l ə ˈ v w ɑː z i eɪ / lə-VWAH-zee-ay; French: [ɑ̃twan lɔʁɑ̃ də lavwazje]; 26 August 1743 – 8 May 1794), also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.
Adrenochrome is a chemical compound produced by the oxidation of adrenaline (epinephrine). It was the subject of limited research from the 1950s through to the 1970s as a potential cause of schizophrenia. While it has no current medical application, the semicarbazide derivative, carbazochrome, is a hemostatic medication.
Contents. Erlenmeyer flask. For the episode of The X-Files, see The Erlenmeyer Flask. An Erlenmeyer flask, also known as a conical flask ( British English) [1] or a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck. It is most often used in a laboratory.