Self-assembled monolayer of alkanephosphoric acid on nanotextured Ti

被引：26

作者：

Clair, Sylvain ^{[1
,2
]}

Variola, Fabio ^{[1
,3
]}

Kondratenko, Mykola ^{[2
]}

Jedrzejowski, Pawel ^{[4
]}

Nanci, Antonio ^{[3
]}

Rosei, Federico ^{[1
]}

Perepichka, Dmitrii F. ^{[2
]}

机构：

[1] Univ Quebec, INRA, EMT, Varennes, PQ J3X 1S2, Canada

[2] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada

[3] Univ Montreal, Fac Med Dent, Lab Study Calcified Tissues & Biomat, Montreal, PQ H3C 3J7, Canada

[4] Plasmion Inc, Varennes, PQ J3X 1S2, Canada

来源：

JOURNAL OF CHEMICAL PHYSICS | 2008年 / 128卷 / 14期

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1063/1.2876421

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Surface modification. of titanium and its alloys is of great importance for their practical application as biomedical implants. We have studied and compared assembly of dodecylphosphoric acid on commercial polished and on nanostructured titanium disks. The latter were produced by chemical etching that- created nanoscale pits of typical size of about 20 nm. Enhanced hydrophobicity and high molecular density were obtained after functionalization of the nanotextured substrate. Aging tests showed a lifetime of the organic films of about one month in phosphate buffer. The samples were characterized by means of infrared spectroscopy, contact angle measurements, ellipsometry, and atomic force and scanning tunneling microscopies. (c) 2008 American Institute of Physics.

引用

页数：6

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