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Issue 38, 2013
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Fast preparation of nano-hydroxyapatite/superhydrophilic reduced graphene oxide composites for bioactive applications

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Abstract

A method for the direct electrodeposition of globular nano-hydroxyapatite (nHAp) onto reduced graphene oxide (RGO) is presented and a model for the specific growth preference is discussed. Results show that the carboxyl (carboxylic acid)/carboxylate functional groups attached directly to the RGO after oxygen plasma treatment were essential to accelerate the OH– formation and the deposition of globular nHAp crystals. High resolution scanning electron microscopy, energy dispersive X-ray and X-ray diffraction showed that homogeneous, highly crystalline, stoichiometric nHAp crystals, with preferential growth in the (002) plane direction, were formed without any thermal treatment. The nHAp/RGO composites were shown to be an appropriate surface for mesenchymal stem cell adhesion with active formation of membrane projections.

Graphical abstract: Fast preparation of nano-hydroxyapatite/superhydrophilic reduced graphene oxide composites for bioactive applications

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Publication details

The article was received on 17 Apr 2013, accepted on 25 Jul 2013 and first published on 29 Jul 2013


Article type: Paper
DOI: 10.1039/C3TB20550A
Citation: J. Mater. Chem. B, 2013,1, 4947-4955

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    Fast preparation of nano-hydroxyapatite/superhydrophilic reduced graphene oxide composites for bioactive applications

    H. Zanin, E. Saito, F. R. Marciano, H. J. Ceragioli, A. E. Campos Granato, M. Porcionatto and A. O. Lobo, J. Mater. Chem. B, 2013, 1, 4947
    DOI: 10.1039/C3TB20550A

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