Molecular Info® Copy Right © 2001
Institute of Molecular Development LLC
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Effect of microgravity on Ca mineral crystallization and implications for osteoporosis in space
Xiang Yang Liu
The Applied Physics Letters,
November 2001, 79: 3539 - 3541
The structure of human bone is determined to a large extent by the turnover of the bone, which
included nucleation of biominerals adjacent to biosubstrates. Heterogeneous nucleation will
promote a compact bone structure, whereas homogeaneous nucleation will lead to a porous bone
structure. Our experimental results show that microgravity will suppress convection, and
consequently promote homogeneous-like nucleation during biomineralization/remineralization.
This may explain the formation of the porous bone structure under microgavity condition.
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