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Title: Plasma nitriding under low temperature improves the endothelial cell biocompatibility of 316L stainless steel
Authors: Braz, Janine Karla França da Silva
Martins, Gabriel M.
Sabino, Vladimir
Vitoriano, Jussier de Oliveira
Barboza, Carlos Augusto Galvão
Soares, Ana Katarina Menezes da Cruz
Rocha, Hugo Alexandre de Oliveira
Oliveira, Moacir. F.
Alves Júnior, Clodomiro
Moura, Carlos Eduardo B.
Keywords: Biomaterial;Intravascular devices;Metal surfaces;Nitrited;Stents
Issue Date: 28-Feb-2019
Publisher: Springer
Citation: BRAZ, Janine Karla França da Silva; MARTINS, Gabriel M.; SABINO, Vladimir; VITORIANO, Jussier O.; BARBOZA, Carlos Augusto Galvão; SOARES, Ana Katarina Menezes da Cruz; ROCHA, Hugo Alexandre de Oliveira; OLIVEIRA, Moacir. F.; ALVES JÚNIOR, Clodomiro; MOURA, Carlos Eduardo B. Plasma nitriding under low temperature improves the endothelial cell biocompatibility of 316L stainless steel. Biotechnology Letters, [s. l.], v. 41, n. 4-5, p. 503-510, 28 fev. 2019. Springer Science and Business Media LLC. Disponível em: Acesso em: 03 set. 2020.
Portuguese Abstract: Objectives To evaluate the effects of the surface modification of 316L stainless steel (SS) by lowtemperature plasma nitriding on endothelial cells for stent applications. Results X-ray diffraction (XRD) confirmed the incorporation of nitrogen into the treated steel. The surface treatment significantly increased SS roughness and hydrophilic characteristics. After 4 h the cells adhered to the nitride surfaces and formed clusters. During the 24 h incubation period, cell viability on the nitrided surface was higher compared to the polished surface. Nitriding reduced late apoptosis of rabbit aorta endothelial cell (RAEC) on the SS surface. Conclusion Low temperature plasma nitriding improved the biocompatible of stainless steel for use in stents.
ISSN: 0141-5492 (print)
1573-6776 (online)
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