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Printing composite nanofilaments for use in a simple and low-cost 3D pen

  • Organic and Hybrid Functional Materials
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Abstract

In this work, filament based on ɛ-polycaprolactone (PCL) and containing the bioactive ceramics nanohydroxyapatite (nHap) and Laponite® (Lap) was prepared by the extrusion process. To obtain the material, a mass ratio of 89:10:1 (PCL:nHap:Lap) was used, and structural and morphological characterization was realized. In addition, cytotoxicity (using Allium cepa bulbs) and viability tests on L929 cells also were performed. The results showed that filament (diameter of 1.79 ± 0.17 mm) presented a good dispersion of nHap and Lap into polymeric matrices. Fourier transform infrared spectroscopy identified typical bands at 1720, 1091, and 1045 cm−1 addressed to PCL and nHAp, In addition, Lap was identified through dispersive energy system and X-ray diffraction analyses. All filaments did not exhibit cytotoxic effects.

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Acknowledgments

This research was funded by the Brazilian National Council for Scientific and Technological Development (CNPq AOL Nos. 303752/2017-3 and 404683/2018-5) FCO acknowledgment Universidade Estacio bolsa de produtividade do programa de pesquisa e produtividade.

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Authors and Affiliations

  1. LIMAV-Interdisciplinary Laboratory for Advanced Materials, UFPI-Federal University of Piaui, Teresina, Piauí, 64049-550, Brazil

    Francisca Pereira de Araujo, Layane Rodrigues de Almeida, Edson Cavalcanti Silva-Filho, Josy Anteveli Osajima & Anderson Oliveira Lobo

  2. Research Center on Biotechnology-Uniara, Araraquara, São Paulo, 14801-340, Brazil

    Igor Tadeu Silva Batista & Hernane da Silva Barud

  3. Universidade Estácio, Teresina, Piauí, 64 046-700, Brazil

    Francílio Carvalho de Oliveira & Guilherme de Castro Brito

  4. Biochemistry and Pharmacology Department, Federal University of Piauí, Teresina, Piauí, 64049-550, Brazil

    Dalton Dittz

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  1. Francisca Pereira de Araujo
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de Araujo, F.P., Batista, I.T.S., de Oliveira, F.C. et al. Printing composite nanofilaments for use in a simple and low-cost 3D pen. Journal of Materials Research 35, 1154–1162 (2020). https://doi.org/10.1557/jmr.2020.77

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