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  1. en.wikipedia.org › wiki › Vitamin_B12Vitamin B12 - Wikipedia

    Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism.[2] It is one of eight B vitamins. It is required by animals, which use it as a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism.[3] It is important in the normal functioning of the nervous system via its role in the synthesis of ...

    • Readily absorbed in distal half of the ileum.
    • liver
    • C₆₃H₈₈CoN₁₄O₁₄P
  2. In enzymology, a vitamin B12-transporting ATPase ( EC 3.6.3.33) is an enzyme that catalyzes the chemical reaction. ATP + H 2 O + vitamin B 12out. ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate + vitamin B 12in.

  3. Hydroxocobalamin, also known as vitamin B12a and hydroxycobalamin, is a vitamin found in food and used as a dietary supplement.[1] As a supplement it is used to treat vitamin B12 deficiency including pernicious anemia.[1][2] Other uses include treatment for cyanide poisoning, Leber's optic atrophy, and toxic amblyopia.[3][4] It is given by ...

  4. Serum vitamin B12. Serum vitamin B12 is a medical laboratory test that measure vitamin B 12 only in the blood binding to both transcobalamins. [1] Most of the time, 80–94% of vitamin B 12 in the blood binds to haptocorrin, while only 6–20% is binds to transcobalamin ll. [2] Only transcobalamin ll is "active" and can be used by the body. [1]

  5. en.wikipedia.org › wiki › MetforminMetformin - Wikipedia

    Metformin, sold under the brand name Glucophage, among others, is the main first-line medication for the treatment of type 2 diabetes,[12][13][14][15] particularly in people who are overweight.[13] It is also used in the treatment of polycystic ovary syndrome.[14] It is sometimes used as an off-label adjunct to lessen the risk of metabolic ...

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  7. The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement.Coordinated by the International Bureau of Weights and Measures (abbreviated BIPM from French: Bureau international des poids et mesures) it is the only system of ...

  8. The Planck constant, or Planck's constant, denoted by , [1] is a fundamental physical constant [1] of foundational importance in quantum mechanics: a photon 's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum.

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