Silicon: A Possible Factor in Bone Calcification

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Science  16 Jan 1970:
Vol. 167, Issue 3916, pp. 279-280
DOI: 10.1126/science.167.3916.279


Silicon, a relatively unknown trace element in nutritional research, has been uniquely localized in active calcification sites in young bone. Silicon increases directly with calcium at relatively low calcium concentrations and falls below the detection limit at compositions approaching hydroxyapatite. It is suggested that silicon is associated with calcium in an early stage of calcification.

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