Dictionary » V » Vanadium




(chemistry) A ductile, grayish-white metallic element found combined in certain minerals. It is a transition element with atomic number 23, and with both basic and acid properties.


Vanadium in minerals is used in producing strong varieties of steel (called vanadium steel) and in insecticides.

Vanadium occurs naturally, including in most living organisms. For example, it is found in blood cells of tunicates (Ascidians) where its concentration is very much higher than in sea water.

In humans, deficiency of vanadium is found to cause malfunctions in thyroid, glucose and lipid metabolism. It also has therapeutic effect in diabetes and is recently found to be a potent anti-carcinogenic agent.

Word origin: NL, fr. Icel. Vanadis, a surname of the Scandinavian goddess Freya.

Abbreviation: V

See also: vanadic acid, vanadate, vanadinite.

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Theories - Origin of Life

... is not ferric iron, ferrous and which gives the blood and tissue fluid green. In ascidian blood is colorless, it is based - gemovanady containing vanadium ions. In octopus, spiders, scorpions, crabs, respiratory pigment of the blood is hemocyanin, in which iron is present instead of copper (Cu2 ...

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by LeoPol
Mon Oct 10, 2011 8:30 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1135968

Na/K ATP-ase Reversal

oh by the way vanadium is toxic for humans, the only animals that incorporate it in large amounts are some urochordates... ALthough i have no idea what they do with it.

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by MrMistery
Wed Feb 21, 2007 4:43 pm
Forum: Cell Biology
Topic: Na/K ATP-ase Reversal
Replies: 5
Views: 5457

The Fiber Disease

... which efficiently transforms invisible infrared to green light (usable for better disk memories), and a new crystal (Vanadium doped-cadmium-sulfer-selenide), which has the optical properties required for making compact reversible holographic memories with greater capacity ...

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by London
Mon Dec 25, 2006 2:59 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6265344

Sea squirt blood cells

Vanadium is found in sea squirt blood cells (vanadocytes). Vanadium is V3+ and VO2+ in the blood cell vacuole. The function of vanadium may be as a sink for protons and electrons, not dioxygen carriage (used to be considered ...

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by paperclip
Thu Sep 22, 2005 5:16 am
Forum: Cell Biology
Topic: Sea squirt blood cells
Replies: 0
Views: 1426

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