Cytocompatibility of Ti3AlC2, Ti3SiC2, and Ti2AlN

In Vitro Tests and First-Principles Calculations

Ke Chen, Nianxiang Qiu, Qihuang Deng, Min Ho Kang, Hui Yang, Jae Uk Baek, Young-Hag Koh, Shiyu Du, Qing Huang, Hyoun Ee Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Herein, the cytocompatibility of selected MAX phases, Ti3AlC2, Ti3SiC2, and Ti2AlN, were systematically evaluated using in vitro tests for the first time. These phases were anoxic to preosteoblasts and fibroblasts. Compared with the strong viable fibroblasts, the different cellular responses of these materials were clearly distinguishable for the preosteoblasts. Under an osteoblastic environment, Ti2AlN exhibited better cell proliferation and differentiation performance than Ti3AlC2 and Ti3SiC2. Moreover, the performance was superior to that of a commercial Ti-6Al-4V alloy and comparable to that of pure Ti. A possible mechanism was suggested based on the different surface oxidation products, which were determined from the binding energy of adsorbed Ca2+ ions using first-principles calculations. Compared with the partially oxidized TiCxOy layer on Ti3AlC2 and Ti3SiC2, the partially oxidized TiNxOy layer on the Ti2AlN had a stronger affinity to the Ca2+ ions, which indicated the good cytocompatibility of Ti2AlN.

Original languageEnglish
Pages (from-to)2293-2301
Number of pages9
JournalACS Biomaterials Science and Engineering
Volume3
Issue number10
DOIs
Publication statusPublished - 2017 Oct 9

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Fibroblasts
Ions
Cell proliferation
Binding energy
Oxidation
Ti3SiC2

Keywords

  • cytocompatibility
  • first-principles calculations
  • in vitro test
  • MAX phase
  • TiAlN

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering

Cite this

Cytocompatibility of Ti3AlC2, Ti3SiC2, and Ti2AlN : In Vitro Tests and First-Principles Calculations. / Chen, Ke; Qiu, Nianxiang; Deng, Qihuang; Kang, Min Ho; Yang, Hui; Baek, Jae Uk; Koh, Young-Hag; Du, Shiyu; Huang, Qing; Kim, Hyoun Ee.

In: ACS Biomaterials Science and Engineering, Vol. 3, No. 10, 09.10.2017, p. 2293-2301.

Research output: Contribution to journalArticle

Chen, Ke ; Qiu, Nianxiang ; Deng, Qihuang ; Kang, Min Ho ; Yang, Hui ; Baek, Jae Uk ; Koh, Young-Hag ; Du, Shiyu ; Huang, Qing ; Kim, Hyoun Ee. / Cytocompatibility of Ti3AlC2, Ti3SiC2, and Ti2AlN : In Vitro Tests and First-Principles Calculations. In: ACS Biomaterials Science and Engineering. 2017 ; Vol. 3, No. 10. pp. 2293-2301.
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