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Proceedings Paper

Development of a piezoelectrically actuated cell stretching device
Author(s): William W. Clark; Randall Smith; Katherine Janes; John Winkler; Michael Mulcahy
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Paper Abstract

In this study a piezoelectric actuator was designed and built to subject osteoblasts and human endothelial cells to cyclic tensile strains in order to study the effects of such loading on cell growth. As the cells are quite sensitive and must be kept submerged in a culture media at all times, a device was constructed to hold the cells in place and to subject them to loads inside a petri dish. Critical aspects of the design were a limited choice of materials because of biocompatibility and the need for sterilization, and the required strain levels to which the material was to be subjected. Current deices for stretching cells cannot consistently produce such small strains. This paper describes how a THUNDER piezoelectric actuator was used as the prime mover in a device designed to excite cells under conditions that have not yet been achieved in the lab.

Paper Details

Date Published: 12 June 2000
PDF: 8 pages
Proc. SPIE 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies, (12 June 2000); doi: 10.1117/12.388171
Show Author Affiliations
William W. Clark, Univ. of Pittsburgh (United States)
Randall Smith, Univ. of Pittsburgh (United States)
Katherine Janes, Univ. of Pittsburgh (United States)
John Winkler, Univ. of Pittsburgh (United States)
Michael Mulcahy, Univ. of Pittsburgh (United States)


Published in SPIE Proceedings Vol. 3991:
Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies
Jack H. Jacobs, Editor(s)

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