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Details of Grant 

EPSRC Reference: GR/R22247/01
Title: Development of Novel Magnetic Force Bioreactors
Principal Investigator: Dobson, Professor J
Other Investigators:
El Haj, Professor A
Researcher Co-Investigators:
Project Partners:
Department: Sch of Medicine
Organisation: Keele University
Scheme: Fast Stream
Starts: 17 September 2001 Ends: 16 May 2003 Value (£): 62,205
EPSRC Research Topic Classifications:
Med.Instrument.Device& Equip. Tissue Engineering
EPSRC Industrial Sector Classifications:
Healthcare
Related Grants:
Panel History:  
Summary on Grant Application Form
Recent advances in bioreactor development are bringing many types of engineered tissue closer to the goal of normal clinical use. However, in the case of certain types of tissue (connective tissue in particular) major obstacles still exist. One of the primary difficulties in producing functional cartilage/bone structures is the inability to efficiently apply stresses during tissue growth in the bioreactor which reasonably mimic those experienced in vivo.To solve this problem, we propose to construct a novel magnetic force bioreactor system based on the physical principles of magnetism and magnetic materials. Spatially and temporally varying, high-gradient magnetic fields will be coupled to biocompatible magnetic micro- and nanoparticles within the bioreactor. The forces exerted on these particles will apply stress to the membranes of osteocytes and chondnxytes which have been seeded onto biodegradable scaffolds. These stresses can be varied in magnitude, space and time to produce optimal stresses for bone and cartilage growth as well as the growth of complex connective tissue structures. This system will offer numbers advantages over present systems such as: (i) the ability to easily change stress parameters, (ii) application of three-dimensional stress variations to single tissue constructs, (iii) allow the use of scaffolds with reduced mechanical properties.
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Organisation Website: http://www.keele.ac.uk