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https://hdl.handle.net/10356/80765
Title: | Development and Characterization of Organic Electronic Scaffolds for Bone Tissue Engineering | Authors: | Iandolo, Donata Ravichandran, Akhilandeshwari Liu, Xianjie Wen, Feng Chan, Jerry K. Y. Berggren, Magnus Teoh, Swee-Hin Simon, Daniel T. |
Keywords: | 3D scaffolds bioelectronics |
Issue Date: | 2016 | Source: | Iandolo, D., Ravichandran, A., Liu, X., Wen, F., Chan, J. K. Y., Berggren, M., et al. (2016). Development and Characterization of Organic Electronic Scaffolds for Bone Tissue Engineering. Advanced Healthcare Materials, 5(12), 1505-1512. | Series/Report no.: | Advanced Healthcare Materials | Abstract: | Bones have been shown to exhibit piezoelectric properties, generating electrical potential upon mechanical deformation and responding to electrical stimulation with the generation of mechanical stress. Thus, the effects of electrical stimulation on bone tissue engineering have been extensively studied. However, in bone regeneration applications, only few studies have focused on the use of electroactive 3D biodegradable scaffolds at the interphase with stem cells. Here a method is described to combine the bone regeneration capabilities of 3D-printed macroporous medical grade polycaprolactone (PCL) scaffolds with the electrical and electrochemical capabilities of the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT). PCL scaffolds have been highly effective in vivo as bone regeneration grafts, and PEDOT is a leading material in the field of organic bioelectronics, due to its stability, conformability, and biocompatibility. A protocol is reported for scaffolds functionalization with PEDOT, using vapor-phase polymerization, resulting in a conformal conducting layer. Scaffolds' porosity and mechanical stability, important for in vivo bone regeneration applications, are retained. Human fetal mesenchymal stem cells proliferation is assessed on the functionalized scaffolds, showing the cytocompatibility of the polymeric coating. Altogether, these results show the feasibility of the proposed approach to obtain electroactive scaffolds for electrical stimulation of stem cells for regenerative medicine. | URI: | https://hdl.handle.net/10356/80765 http://hdl.handle.net/10220/42216 |
ISSN: | 2192-2640 | DOI: | 10.1002/adhm.201500874 | Schools: | School of Chemical and Biomedical Engineering | Rights: | © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the author created version of a work that has been peer reviewed and accepted for publication by Advanced Healthcare Materials, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1002/adhm.201500874]. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SCBE Journal Articles |
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Development and Characterization of Organic Electronic Scaffolds for Bone Tissue Engineering.pdf | 499.65 kB | Adobe PDF | View/Open |
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