Related Experiment Video
Updated: Jun 12, 2026
12:28
Designing a Bioreactor to Improve Data Acquisition and Model Throughput of Engineered Cardiac Tissues
Published on: June 2, 2023
Design and development of a novel biostretch apparatus for tissue engineering
Qiming Pang1, Jean W Zu, Geoffrey M Siu
1Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON, M5S 3G8, Canada.
Journal of Biomechanical Engineering
|June 8, 2010
Summary
A novel biostretch apparatus uses electromagnetic force for precise control of uniaxial cyclic stretch in tissue engineering. This simplified system enables advanced cell culture under defined mechanical conditions.
Area of Science:
- Biomedical Engineering
- Tissue Engineering
- Biomaterials Science
Background:
- Mechanical stimulation is crucial for engineered tissue development.
- Existing uniaxial stretch devices have limitations in control and application.
- Standardized mechanical conditioning is needed for reproducible tissue engineering outcomes.
Purpose of the Study:
- To design and develop a novel uniaxial cyclic stretch apparatus for tissue engineering research.
- To enable precise control over multiple stretch parameters using noncontact electromagnetic force.
- To simplify the process of culturing engineered tissue patches under defined mechanical conditions.
Main Methods:
- Developed a biostretch apparatus employing noncontact electromagnetic force.
- Implemented a controller for independent adjustment of stretch extent, frequency, pattern, and duration.
- Utilized standard Petri dishes and CO(2) incubators for tissue culture.
- Analyzed strain distributions on Gelfoam and RTV silicon scaffolds.
Main Results:
- The apparatus successfully applies uniaxial cyclic stretch to Gelfoam and RTV silicon scaffolds.
- Independent control of four stretch parameters (extent, frequency, pattern, duration) was achieved.
- The system allows for simultaneous stretching from both ends of the scaffold.
- Quantitative analysis of strain distribution on scaffolds was performed.
Conclusions:
- The developed biostretch apparatus offers a simplified and versatile platform for mechanical conditioning in tissue engineering.
- Noncontact electromagnetic force provides precise control over mechanical stimuli.
- The apparatus facilitates the culture of engineered tissues under well-defined mechanical conditions, improving reproducibility.
