Metal cobalt for medical treatment

Cobalt is a silver-white ferromagnetic metallic element with a symbol of Co and a silver-white, pale pink surface. The radioisotope cobalt 60 is a medical alternative to radium for cancer treatment. Cobalt is harder and more brittle than a ferromagnetic, magnetic disappear when heated to 1150 ℃. Cobalt oxide can be formed by spontaneous combustion of fine metal cobalt powder by hydrogen reduction in air. Cobalt is an important raw material for producing heat resistant alloys, hard alloys, corrosion resistant alloys, magnetic alloys and various cobalt salts.
Cobalt is a component of vitamin B12, and only about 10% of cobalt in the human body is in the form of vitamins. Folic acid, iron, and B12 are not effective in treating a type of anemia, and large doses of cobalt dichloride can be used to treat such anemia. Cobalt's role in erythropoiesis is to influence the release of erythropoietin by the kidneys, or by stimulating guanidine circulation. Also observed after supply cobalt can make blood vessels dilate and the face is red, this is because the kidney release relieve carnosine and cobalt for thyroid function may have a role, animal experiment results show that the synthesis of thyroid hormone may need cobalt, cobalt can adersely affect the effects of iodine deficiency. Cobalt can stimulate the hematopoietic system of human bone marrow, promote the synthesis of hemoglobin and increase the number of red blood cells. Most participate in the body's physiological function in the form of vitamin B12.
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