Abstract
Films made of poly (3-hydroxybutyrate) (PHB), poly(3-hydroxybutyrate- co-3-hydroxyhexanoate) (PHBHHx) consisting of 5%, 12% and 20% hydroxyhexanoate (HHx), respectively, were evaluated for biomedical application in comparison with poly (L-Lactide) (PLA). With the increase of HHx content in PHBHHx, the polymer surface properties changed accordingly. P(HB-co-20%-HHx) had the smoothest surface while PHB surface was most hydrophilic among the evaluated PHB and all the PHBHHx. All PHBHHx also showed strong protein affinity and biocompatibility. It was found that fibroblast and osteoblast had different responses to these polymers: fibroblast cells favored P(HB-co-20%-HHx), yet osteoblast cells preferred P(HB-co-12%-HHx). PHB and all PHBHHx appeared to have better biocompatibility for fibroblast and osteoblast compared with PLA. Polymers possessing diferent surface properties may help meet different cellular requirements. Combined with their good mechanical properties for elongation and adjustable biocompatibility, PHBHHx may meet the needs of growth requirements of different tissues and cells.
| Original language | English |
|---|---|
| Pages (from-to) | 755-761 |
| Number of pages | 7 |
| Journal | Biomaterials |
| Volume | 26 |
| Issue number | 7 |
| DOIs | |
| State | Published - Mar 2005 |
| Externally published | Yes |
Keywords
- Biocompatibility
- Fibroblast
- Osteoblast
- PHB
- PHBHHx
- Poly (3-hydroxybutyrate-co-3-hydroxyhexanoate)
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