Improved bioceramic coatings reinforced by nanostructured talc

被引：2

作者：

Batista, Ana Barbara ^{[1
]}

Stanley, Michael ^{[1
]}

de Brito, Ana Carolina Ferreira ^{[1
]}

Vasconcellos, Rebecca ^{[2
]}

Munk, Michele ^{[2
]}

Jose-Bueno, Mario ^{[3
]}

Godoy, Cristina ^{[3
]}

de Alvarenga, Erika Costa ^{[2
,4
]}

de Vasconcelos, Claudia Karina Barbosa ^{[5
,6
]}

Righi, Ariete ^{[7
]}

de Sousa, Edesia M. B. ^{[8
]}

de Oliveira, Alan Barros ^{[1
]}

Batista, Ronaldo Junio Campos ^{[1
]}

Soares, Jaqueline dos Santos ^{[1
]}

Neves, Bernardo Ruegger Almeida ^{[7
]}

Barbosa, Ana Paula Moreira ^{[1
]}

Manhabosco, Taise Matte ^{[1
]}

机构：

[1] Univ Fed Ouro Preto, Dept Fis, Campus Univ Morro Cruzeiro ICEB DEFIS, BR-35400000 Ouro Preto, MG, Brazil

[2] Univ Fed Juiz de Fora, Dept Biol, Lab Nanobiotecnol & Nanotoxicol, Rua Jose Lourenco Kelmer,s-n Campus Univ, BR-36036900 Juiz De Fora, MG, Brazil

[3] Univ Fed Minas Gerais, Dept Engn Metalurg & Mat, Ave Antonio Carlos 6627, BR-31270901 Belo Horizonte, MG, Brazil

[4] Univ Fed Sao Joao Del Rei, Dept Ciencias Nat, Praca Dom Helvecio 74, BR-36301160 Sao Joao Del Rei, MG, Brazil

[5] Pontificia Univ Catolica Minas Gerais, Dept Fis & Quim, Ave Dom Jose Gaspar 500, BR-30535901 Belo Horizonte, MG, Brazil

[6] Pontificia Univ Catolica Minas Gerais, Dept Engn Quim, Ave Dom Jose Gaspar 500, BR-30535901 Belo Horizonte, MG, Brazil

[7] Univ Fed Minas Gerais, Dept Fis, BR-31270901 Belo Horizonte, MG, Brazil

[8] Ctr Desenvolvimento Tecnol Nucl, Pampulha, Ave Antonio Carlos 6-627,Campus UFMG, BR-31270901 Belo Horizonte, MG, Brazil

来源：

SURFACE & COATINGS TECHNOLOGY | 2022年 / 441卷

关键词：

Soapstone nano-talc; Pulsed electrodeposition; Hydroxyapatite; Biocompatibility; Mechanical properties; CORROSION BEHAVIOR; MECHANICAL-PROPERTIES; CALCIUM-PHOSPHATE; CARBON-FILMS; HYDROXYAPATITE; TITANIUM; PROLIFERATION; ALLOY; CYTOCOMPATIBILITY; ELECTRODEPOSITION;

D O I：

10.1016/j.surfcoat.2022.128589

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nano-talc was successfully incorporated in the hydroxyapatite matrix via pulsed electrodeposition after being obtained using an eco-friendly liquid-phase exfoliation process. Scanning electron microscopy, atomic force microscopy, X-ray spectroscopy, Raman spectroscopy, corrosion and wear resistance, and cytocompatibility tests were used to characterize the biocomposite ceramics. Talc significantly improves the nanomechanical and wear properties of bioceramics (i.e., higher stiffness, reduced friction coefficient, and lower wear damage) as well as corrosion resistance. Talc does not induce cytotoxic activity in in vitro cells and may induce bone maturation as per biocompatibility tests.

引用

页数：11

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