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Title: | Viscoelastic behavior of mineralized (CaCO3) chitin based PVP-CMC hydrogel scaffolds | ||||||||||
Author: | Čadež, Vida; Saha, Nabanita; Sikirić, Maja Dutour; Sáha, Petr | ||||||||||
Document type: | Conference paper (English) | ||||||||||
Source document: | AIP Conference Proceedings. 2017, vol. 1843 | ||||||||||
ISSN: | 0094-243X (Sherpa/RoMEO, JCR) | ||||||||||
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ISBN: | 978-0-7354-1513-3 | ||||||||||
DOI: | https://doi.org/10.1063/1.4983001 | ||||||||||
Abstract: | Enhancement of the mechanical as well as functional properties of the perspective mineralized PVP-CMC-CaCO3 hydrogel scaffold applicable for bone tissue engineering is quite essential. Therefore, the incorporation feasibility of chitin, a bioactive, antibacterial and biodegradable material, was examined in order to test its ability to enchance mechanical properties of the PVP-CMC-CaCO3 hydrogel scaffold. Chitin based PVP-CMC hydrogels were prepared and characterized both as non-mineralized and mineralized (CaCO3) form of hydrogel scaffolds. Both α-chitin (commercially bought) and β-chitin (isolated from the cuttlebone) were individually tested. It was observed that at 1% strain all hydrogel scaffolds have linear trend, with highly pronounced elastic properties in comparison to viscous ones. The complex viscosity has directly proportional behavior with negative slope against angular frequency within the range of ω = 0.1 - 100 rad.s-1. Incorporation of β-chitin increased storage modulus of all mineralized samples, making it interesting for further research. © 2017 Author(s). | ||||||||||
Full text: | http://aip.scitation.org/doi/abs/10.1063/1.4983001 | ||||||||||
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