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1篇 您的检索式：作者名="Gavin S.Walker"

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		题名	作者	年代	出处	被引量
	1	Phosphate Glass Fibre Composites for Bone Repair显示文摘We investigate high-modulus degradable materials intended to replace metals in biomedical applications.These are typicallycomposites comprising a polylactide(PLA)matrix reinforced with phosphate glass fibres,which provide reinforcementsimilar to E-glass but are entirely degradable in water to produce,principally,calcium phosphate.We have made compositesusing a variety of fibre architectures,from non-woven random mats to unidirectional fibre tapes.Flexural properties in theregion of 30 GPa modulus and 350 MPa strength have been achieved-directly comparable to quoted values for human corticalbone.In collaboration with other groups we have begun to consider the development of foamed systems with structures mimickingcancellous bone and this has shown significant promise.The fibres in these foamed structures provide improved creepresistance and reinforcement of the pore walls.To date the materials have exhibited excellent cellular responses in vitro andfurther studies are due to include consideration of the surface character of the materials and the influence of this on cell interaction,both with the composites and the glass fibres themselves,which show promise as a standalone porous scaffold.	Andrew J.Parsons Ifty Ahmed Papia Haque Ben Fitzpatrick Muhammad I.K.Niazi Gavin S.Walker Chris D.Rudd	2009	Journal of Bionic Engineering2009，6，4：	2

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