pyridinium


pyridinium
A breakdown product of bone collagen, excreted in urine, and assayed as a measure of osteoclast activity; increased in disease states such as Paget's disease, primary hyperparathyroidism, and osteoporosis.

Medical dictionary. 2011.

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  • Pyridinium — refers to the cationic form of pyridine. This can either be due to protonation of the ring nitrogen or because of addition of a substituent to the ring nitrogen, typically via alkylation. The lone pair of electrons on the nitrogen atom of… …   Wikipedia

  • Pyridinium — Ion pyridinium L ion pyridinium est l acide conjugué de la pyridine. Il s agit d un cation ayant pour formule brute C5H5NH+. La charge positive est portée par l atome d azote. Le pKa du couple pyridinium / pyridine est de 5,23. Formes mésomères… …   Wikipédia en Français

  • pyridinium — noun a) The cationic form of pyridine. b) An individual pyridinium cation …   Wiktionary

  • pyridinium — piridinis statusas T sritis chemija formulė Formulę žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. pyridinium rus. пиридиний …   Chemijos terminų aiškinamasis žodynas

  • Pyridinium — Py|ri|di|ni|um, eigtl. Pyridin 1 ium [↑ Pyridin u. ↑ ium (2)], das; s: Bez. für das durch Anlagerung eines Protons an das Ring N Atom des Pyridins entstandene Kation C5H6N+; Pyridiniumchlorid z. B. ist eine ↑ Oniumverbindung. Vgl. Pyridylium …   Universal-Lexikon

  • pyridinium — pyr·i·din·i·um …   English syllables

  • pyridinium — ˌpirəˈdinēəm noun ( s) Etymology: New Latin, from International Scientific Vocabulary pyridine + New Latin ium : a univalent ion [C5H5NH]+ or radical C5H6N that is analogous to ammonium and is derived from pyridine …   Useful english dictionary

  • Pyridinium chlorochromate — Chembox new Name = Pyridinium chlorochromate ImageFile = Pyridinium chlorochromate.png ImageSize = 150px ImageName = Chemical structure of the Pyridinium Chlorochromate ImageFileL1 = Pyridinium 3D balls.png ImageNameR1 = Ball and stick model of… …   Wikipedia

  • pyridinium chlorochromate — piridinio chlorchromatas statusas T sritis chemija formulė C₅H₅NClCrO₃H atitikmenys: angl. pyridinium chlorochromate rus. хлорхромат пиридиния …   Chemijos terminų aiškinamasis žodynas

  • Chlorochromate De Pyridinium — Général Nom IUPAC chlorochromate de pyridinium …   Wikipédia en Français