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Biomaterials. 2003 Nov;24(24):4337-51.

Hydrogels for tissue engineering: scaffold design variables and applications.

Author information

1
Department of Biologic and Materials Science, University of Michigan, Room 5210, Ann Arbor, MI 48109, USA.

Abstract

Polymer scaffolds have many different functions in the field of tissue engineering. They are applied as space filling agents, as delivery vehicles for bioactive molecules, and as three-dimensional structures that organize cells and present stimuli to direct the formation of a desired tissue. Much of the success of scaffolds in these roles hinges on finding an appropriate material to address the critical physical, mass transport, and biological design variables inherent to each application. Hydrogels are an appealing scaffold material because they are structurally similar to the extracellular matrix of many tissues, can often be processed under relatively mild conditions, and may be delivered in a minimally invasive manner. Consequently, hydrogels have been utilized as scaffold materials for drug and growth factor delivery, engineering tissue replacements, and a variety of other applications.

PMID:
12922147
DOI:
10.1016/s0142-9612(03)00340-5
[Indexed for MEDLINE]

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