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  2. Histidine - Wikipedia

    en.wikipedia.org/wiki/Histidine

    Histidine (symbol His or H) [2] is an essential amino acid that is used in the biosynthesis of proteins.It contains an α-amino group (which is in the protonated –NH 3 + form under biological conditions), a carboxylic acid group (which is in the deprotonated –COO − form under biological conditions), and an imidazole side chain (which is partially protonated), classifying it as a ...

  3. Carnosine - Wikipedia

    en.wikipedia.org/wiki/Carnosine

    Carnosine (beta-alanyl-L-histidine) is a dipeptide molecule, made up of the amino acids beta-alanine and histidine. It is highly concentrated in muscle and brain tissues. [citation needed] Carnosine was discovered by Russian chemist Vladimir Gulevich. [1] Carnosine is naturally produced by the body in the liver [2] from beta-alanine and histidine.

  4. Histidine (data page) - Wikipedia

    en.wikipedia.org/wiki/Histidine_(data_page)

    Chemical formula: C 6 H 9 N 3 O 2 Molar ... (L-histidine) ^a CID 71083 from PubChem (D-histidine) ^a CID 6274 from PubChem (L-histidine) This page was last edited on ...

  5. Imidazole - Wikipedia

    en.wikipedia.org/wiki/Imidazole

    Imidazole (ImH) is an organic compound with the formula C 3 N 2 H 4.It is a white or colourless solid that is soluble in water, producing a mildly alkaline solution. In chemistry, it is an aromatic heterocycle, classified as a diazole, and has non-adjacent nitrogen atoms in meta-substitution.

  6. Nitrilotriacetic acid - Wikipedia

    en.wikipedia.org/wiki/Nitrilotriacetic_acid

    Nitrilotriacetic acid (NTA) is the aminopolycarboxylic acid with the formula N(CH 2 CO 2 H) 3. It is a colourless solid. It is a colourless solid. Its conjugate base nitrilotriacetate is used as a chelating agent for Ca 2+ , Co 2+ , Cu 2+ , and Fe 3+ .

  7. Sodium - Wikipedia

    en.wikipedia.org/wiki/Sodium

    Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23 Na. The free metal does not occur in nature and must be prepared from compounds.

  8. Sodium hydroxide - Wikipedia

    en.wikipedia.org/wiki/Sodium_hydroxide

    Sodium hydroxide, also known as lye and caustic soda, [1] [2] is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na + and hydroxide anions OH −. Sodium hydroxide is a highly corrosive base and alkali that decomposes lipids and proteins at ambient temperatures and may cause severe ...

  9. Zinc compounds - Wikipedia

    en.wikipedia.org/wiki/Zinc_compounds

    Zinc compounds are chemical compounds containing the element zinc which is a member of the group 12 of the periodic table. The oxidation state of zinc in most compounds is the group oxidation state of +2. Zinc may be classified as a post-transition main group element with zinc(II). Zinc compounds are noteworthy for their nondescript appearance ...