Authors
Tristan I Croll, Andrea J O'Connor, Geoffrey W Stevens, Justin J Cooper-White
Publication date
2006/5/8
Journal
Biomacromolecules
Volume
7
Issue
5
Pages
1610-1622
Publisher
American Chemical Society
Description
Although poly(α-hydroxy esters), especially the PLGA family of lactic acid/glycolic acid copolymers, have many properties which make them promising materials for tissue engineering, the inherent chemistry of surfaces made from these particular polymers is problematic. In vivo, they promote a strong foreign-body response as a result of nonspecific adsorption and denaturation of serum proteins, which generally results in the formation of a nonfunctional fibrous capsule. Surface modification post-production of the scaffolds is an often-utilized approach to solving this problem, conceptually allowing the formation of a scaffold with mechanical properties defined by the bulk material and molecular-level interactions defined by the modified surface properties. A promising concept is the so-called “blank slate”:  essentially a surface that is rendered resistant to nonspecific protein adsorption but can be readily activated to …
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