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Type: Artigo de periódico
Title: Fast preparation of nano-hydroxyapatite/superhydrophilic reduced graphene oxide composites for bioactive applications
Author: Zanin, H
Saito, E
Marciano, FR
Ceragioli, HJ
Granato, AEC
Porcionatto, M
Lobo, AO
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.
Country: Inglaterra
Editor: Royal Soc Chemistry
Citation: Journal Of Materials Chemistry B. Royal Soc Chemistry, v. 1, n. 38, n. 4947, n. 4955, 2013.
Rights: aberto
Identifier DOI: 10.1039/c3tb20550a
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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