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Type: Artigo
Title: Multifunctional hybrids based on 2D fluorinated graphene oxide and superparamagnetic iron oxide nanoparticles
Author: Radhakrishnan, S.
Sudeep, P. M.
Park, J. H.
Woellner, C. F.
Maladonado, K.
Galvao, D. S.
Kaipparettu, B. A.
Tiwary, C. S.
Ajayan, P. M.
Abstract: Carbon-based nanomaterials have garnered a lot of attention in the research of yesteryear. Here this study reports a composite based on fluorinated graphene oxide-a multifunctional subsidiary of graphene; and iron oxide nano-particles as a contrast agent for magnetic resonance imaging (MRI). Extensive structural and functional characterization is carried out to understand composite behavior toward biotoxicity and its performance as a contrast agent. The electron withdrawing fluorine group decreases the charge transfer to iron oxide increasing the magnetic saturation of the composite thus enhancing the contrast. The interaction of paramagnetic and superparamagnetic systems yields a superior contrast agent for MRI and fluorescent imaging.
Subject: Nanotubos de carbono
Óxido de grafeno
Imagem de ressonância magnética
Carbon nanotubes
Graphene oxide
Magnetic resonance imaging
Country: Alemanha
Editor: Wiley-VCH Verlag
Rights: fechado
Identifier DOI: 10.1002/ppsc.201700245
Date Issue: 2017
Appears in Collections:IFGW - Artigos e Outros Documentos

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