Encapsulated boron as an osteoinductive agent for bone scaffolds.
Menemşe Gümüşderelioğlu, Ekin Ö Tunçay, Gökçe Kaynak, Tolga T Demirtaş, Seda Tığlı Aydın, Sema S Hakkı
Index: J. Trace Elem. Med. Biol. 31 , 120-8, (2015)
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Abstract
The aim of this study was to develop boron (B)-releasing polymeric scaffold to promote regeneration of bone tissue. Boric acid-doped chitosan nanoparticles with a diameter of approx. 175 nm were produced by tripolyphosphate (TPP)-initiated ionic gelation process. The nanoparticles strongly attached via electrostatic interactions into chitosan scaffolds produced by freeze-drying with approx. 100 μm pore diameter. According to the ICP-OES results, following first 5h initial burst release, fast release of B from scaffolds was observed for 24h incubation period in conditioned medium. Then, slow release of B was performed over 120 h. The results of the cell culture studies proved that the encapsulated boron within the scaffolds can be used as an osteoinductive agent by showing its positive effects on the proliferation and differentiation of MC3T3-E1 preosteoblastic cells.Copyright © 2015 Elsevier GmbH. All rights reserved.
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