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首页> 外文期刊>journal of the korean ceramic society >Obtaining a fused PLA-calcium phosphate-tobramycin-based filament for 3D printing with potential antimicrobial application
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Obtaining a fused PLA-calcium phosphate-tobramycin-based filament for 3D printing with potential antimicrobial application

机译：Obtaining a fused PLA-calcium phosphate-tobramycin-based filament for 3D printing with potential antimicrobial application

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摘要

Many efforts in the tissue engineering field have been devoted to producing biomedical devices with several physico-chemical properties that could promote an increase in the quality of therapeutic treatments. Thus, 3D printing is an efficient method which facilitates manufacturing high quality products to be used as medical devices. However, high-performance materials are required for obtaining products that are able to be 3D printed to attend the biomedical concerns. In this work, fused PLA-calcium phosphate-tobramycin-based filaments with antimicrobial properties were produced. X-ray powder diffraction, Fourier transform infrared spectroscopy and thermal analysis were performed to characterize the pure compounds as well as the composite filaments, revealing that the drug is preserved into the filaments by the implemented methodology, even after the hot extrusion procedure. The filaments and the printed pieces presented great antimicrobial effect and a controlled-release profile was also observed by the drug-release assays for the filaments produced, thereby indicating this material as a promising candidate to be used for implantable medical devices in the future. [GRAPHICS] .

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