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Synthesis and Characterization of Poly(Vinyl Alcohol)-Chitosan-Hydroxyapatite Scaffolds: A Promising Alternative for Bone Tissue Regeneration
S. Pineda-Castillo, A. Bernal-Ballén, C. Bernal-López, H. Segura-Puello, D. Nieto-Mosquera, A. Villamil-Ballesteros, D. Muñoz-Forero, L. Munster,
Jazyk angličtina Země Švýcarsko
Typ dokumentu časopisecké články
Free Medical Journals od 1997
PubMed Central od 2001
Europe PubMed Central od 2001
ProQuest Central od 1997-01-01
Open Access Digital Library od 1997-01-01
Medline Complete (EBSCOhost) od 2009-03-01
Health & Medicine (ProQuest) od 1997-01-01
Odkazy
PubMed
30241366
DOI
10.3390/molecules23102414
Knihovny.cz E-zdroje
- MeSH
- biokompatibilní materiály chemie terapeutické užití MeSH
- chitosan chemická syntéza chemie terapeutické užití MeSH
- hydroxyapatit chemická syntéza chemie terapeutické užití MeSH
- kosti a kostní tkáň chemie MeSH
- lidé MeSH
- osteoblasty účinky léků MeSH
- polyvinylalkohol chemická syntéza chemie terapeutické užití MeSH
- proliferace buněk účinky léků MeSH
- regenerace kostí účinky léků MeSH
- tkáňové inženýrství * MeSH
- tkáňové podpůrné struktury chemie MeSH
- vývoj kostí účinky léků MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- časopisecké články MeSH
Scaffolds can be considered as one of the most promising treatments for bone tissue regeneration. Herein, blends of chitosan, poly(vinyl alcohol), and hydroxyapatite in different ratios were used to synthesize scaffolds via freeze-drying. Mechanical tests, FTIR, swelling and solubility degree, DSC, morphology, and cell viability were used as characterization techniques. Statistical significance of the experiments was determined using a two-way analysis of variance (ANOVA) with p < 0.05. Crosslinked and plasticized scaffolds absorbed five times more water than non-crosslinked and plasticized ones, which is an indicator of better hydrophilic features, as well as adequate resistance to water without detriment of the swelling potential. Indeed, the tested mechanical properties were notably higher for samples which were undergone to crosslinking and plasticized process. The presence of chitosan is determinant in pore formation and distribution which is an imperative for cell communication. Uniform pore size with diameters ranging from 142 to 519 µm were obtained, a range that has been described as optimal for bone tissue regeneration. Moreover, cytotoxicity was considered as negligible in the tested conditions, and viability indicates that the material might have potential as a bone regeneration system.
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