Aránzazu Martín García
Servicio de Bioquímica Clínica. Hospital Universitario Puerta de Hierro Majadahonda
Tuesday, 30 April 2019
Figure. Cobalamin structure is composed of six valence cobalt atom. Four of them form a covalent bond with nitrogen atoms. The fifth valence forms a bond with the bencimidazole nitrogen. The sixth valence forms a bond with various anionic groups: A) hidroxicobalamin with hydroxyl group (OH-) and B) cianocobalamin with cyanide group (CN-). C) Reddish coloration of serum, characteristic of treatment with hydroxycobalamin in the patient’s sample.