The Effects of Various Metallic Surfaces on Cellular and Bacterial Adhesion

被引：21

作者：

Shimabukuro, Masaya ^{[1
]}

Ito, Haruka ^{[2
]}

Tsutsumi, Yusuke ^{[3
,4
]}

Nozaki, Kosuke ^{[1
]}

Chen, Peng ^{[3
]}

Yamada, Risa ^{[1
]}

Ashida, Maki ^{[3
]}

Nagai, Akiko ^{[5
]}

Hanawa, Takao ^{[3
]}

机构：

[1] Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Bunkyo Ku, 1-5-45 Yushima, Tokyo 1138549, Japan

[2] Tokyo Med & Dent Univ, Fac Dent, Bunkyo Ku, 1-5-45 Yushima, Tokyo 1138549, Japan

[3] Tokyo Med & Dent Univ, Inst Biomat & Bioengn, Chiyoda Ku, 2-3-10 Kanda Surugadai, Tokyo 1010062, Japan

[4] Natl Inst Mat Sci, Res Ctr Struct Mat, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan

[5] Aichi Gakuin Univ, Sch Dent, Dept Anat, Chikusa Ku, 1-100 Kusumoto, Nagoya, Aichi 4648650, Japan

来源：

METALS | 2019年 / 9卷 / 11期

关键词：

titanium; niobium; tantalum; zirconium; silver; beta-stabilizer elements; antibacterial activity; biocompatibility; cytotoxicity; biofilm; CORROSION-RESISTANCE; SILVER NANOPARTICLES; TITANIUM; ALLOYS; IMPLANTS; XPS; ZIRCONIUM; BIOFILMS; NIOBIUM; CALCIUM;

D O I：

10.3390/met9111145

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of Ti, Nb, Ta, Zr, and Ag on cellular and bacterial adhesion were investigated in this study. Moreover, the relationships between surface compositions, metal ion release behaviors, and biological responses were examined. As a result, MC3T3-E1 cells and S. aureus were able to better attach to Ti and Zr rather than the Nb and Ta specimens. For the Ag specimen, the amount of Ag ions released into Hanks' solution was the largest among all the specimens. Cellular and bacterial adhesion onto the Ag specimen was inhibited compared with the other specimens, because of Ag ion release. Alternatively, Nb and Ta specimens exhibited specific biological responses. Cellular adhesion on Nb and Ta specimens was similar to that on Ti, while bacterial adhesion on Nb and Ta specimens was inhibited compared with that on Ti. This study proved that Nb and Ta inhibited bacterial adhesion and exhibited no harmful effects on cellular adhesion. In addition, these results indicate that the passive layer on Nb and Ta plays a key role in the inhibition of bacterial adhesion.

引用

页数：12

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