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Biochemical compatibility of PZT piezoelectric ceramics covered with titanium thin film

T. SAKAI1,* , S. HOSHIAI2, E. NAKAMACHI3

Affiliation

  1. Department of Mechanical Engineering, Takamatsu National College of Technology, 355 Chokushi, Takamatsu, Kagawa 761-8058, Japan
  2. Graduate Student of Medical, Tottori University, 86 Nishi, Yonago, Tottori 683-8503, Japan
  3. Department of Mechanical Engineering, Osaka Institute of Technology, 5-16-1 Omiya, Asahi-ku, Osaka 535-8585, Japan

Abstract

To discover a piezoelectric-device material with excellent biocompatibility, the biocompatibilities of several materials such as pure PZT, titanium＋PZT and ZnO are examined. The proliferation rate of cells in the presence of each material was observed with a phase-contrast microscope. The main conclusions from this study are as follows: (1) the proliferation rate with the as-received PZT hardly changes compared with the control group. However, the survival time of a cell becomes extremely short. (2) As-received PZT with cells in a confluent condition shows very good biocompatibility compared with ZnO..

Keywords

Biomaterials, Ceramics, Material design, Material testing, Biochemical compatibility, Piezoelectric material, Titanium, Thin film, L929 cells, Proliferation rate.

Submitted at: June 20, 2006
Accepted at: July 20, 2006

Citation

T. SAKAI, S. HOSHIAI, E. NAKAMACHI, Biochemical compatibility of PZT piezoelectric ceramics covered with titanium thin film, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 4, pp. 1435-1437 (2006)