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Article Dans Une Revue Journal of the mechanical behavior of biomedical materials Année : 2023

Bioresorbable polylactic acid (PLA) and bioactive glasses (BG) composite: influence of gold coated of BG powder on mechanical properties and chemical reactivity

Résumé

Due to the ageing of the population, the synthesis of biomaterials and the optimization of their physico-chemical characteristics are at the heart of many research projects in regenerative medicine. The emergence of 3D printing techniques has rapidly led to the manufacture PLA-BG compositescaffolds using the FFF (Fused Filament Fabrication) technic. However, this composite presents some problems including a lower mechanical strength than the two compounds alone, probably due to the ionic salting-out induced by the BG. This study aims to counter this phenomenon by coating the BG particles with a thin layer of gold. The 3D composite objects will then be characterized mechanically and biologically to ensure that the bioactive character of the composite is preserved.
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Dates et versions

hal-03852711 , version 1 (21-11-2022)

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Louis Chaigneau, Aurélien Perrot, Damien Brézulier, Jean-François Coulon, François Cheviré, et al.. Bioresorbable polylactic acid (PLA) and bioactive glasses (BG) composite: influence of gold coated of BG powder on mechanical properties and chemical reactivity. Journal of the mechanical behavior of biomedical materials, 2023, ⟨10.1016/j.jmbbm.2022.105571⟩. ⟨hal-03852711⟩
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