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Bone up with an ink-jet printer

作者:林始捭    发布时间:2019-03-01 01:09:02    

IMPLANTS that encourage bone regrowth could one day be printed using ink-jet technology. In the current edition of the journal Advanced Materials (http://tinyurl.com/2ydraj) a team at McGill University in Montreal, Canada, reveal how it can be done. They “print” droplets of a tricalcium phosphate suspension, layer by layer on a hydroxyapatite surface. These minerals reacts to form brushite, a calcium phosphate that hardens into a porous 3D scaffold. This slowly dissolves in the body to be replaced by real bone. Better still, the team, led by Jake Barralet,

 

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