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A nanoporous biodegradable elastomer based on citric acid is described. Nanopores are used to control the mechanical and degradation properties of the elastomer. Furthermore, macromolecular drugs can be entrapped under mild conditions via pore collapse, which also delays the release of the drug. The nanoporous elastomer is biocompatible and a promising platform technology for engineering soft tissues.
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Hoshi et al. (2008) studied this question.
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