Piezoelectric actuator: Searching inspiration in nature for osteoblast stimulation

• Type: Article in International Scientific Journal
• Date: 2010

Authors

Frias, C (Author) Other; Reis, J (Author) Other; Capela e Silva, FCE (Author) Other; Potes, J (Author) Other; Simoes, J (Author) Other; António Torres Marques (Author) FEUP

Journal

Title: Composites Science and Technology

Vol. 70

Pages: 1920-1925

ISSN: 0266-3538

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 7 Citations

ISI Web of Science

Scopus - 9 Citations

Scientific classification

FOS: Engineering and technology > Other engineering and technologies

Other information

Authenticus ID: P-003-0ZD

DOI: 10.1016/j.compscitech.2010.06.011

Abstract (EN): Bone is a composite with piezoelectric properties Bone mass and structure are dependent on mechanical stress and adaptive response at cellular and tissue levels, but the role piezoelectricity plays in bone physiology is yet to be understood Physical activity enhances bone density, through mechanical stimulation Osteocytes and osteoblasts are essential for mechanosensing and mechanotransduction Strategies have been tested for mechanical stimulation of cells and tissues in vitro The aim of this work was to experimentally validate the use of piezoelectric materials as a mean of directly straining bone cells by converse piezoelectric effect To estimate the magnitude of stress/strain, finite numerical models were applied and theoretical data was complemented by optic experimental data Osteoblasts were then grown on the surface of the piezoelectric material and cell response studied.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 6