Graphene oxide nanocomposite magnetic microbeads for the remediation of positively charged aromatic compounds
| Autor: | M Dalla Serra, Luca Minati, Massimiliano Clamer, Giorgio Speranza, Victor Micheli |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | Dalton transactions (2003. Print) 49 (2020): 3333–3340. doi:10.1039/c9dt04605d info:cnr-pdr/source/autori:Minati, L.; Speranza, G.; Micheli, V; Dalla Serra, M.; Clamer, M./titolo:Graphene oxide nanocomposite magnetic microbeads for the remediation of positively charged aromatic compounds/doi:10.1039%2Fc9dt04605d/rivista:Dalton transactions (2003. Print)/anno:2020/pagina_da:3333/pagina_a:3340/intervallo_pagine:3333–3340/volume:49 |
| DOI: | 10.1039/c9dt04605d |
| Popis: | Integrating graphene as an inorganic nanostructure within a hydrogel matrix enables the creation of a unique hybrid composite combining the peculiar chemical and physical properties of graphene with the high porosity and stability of hydrogels as for example agarose gel. As a consequence, the resulting material forms a double-network system providing advantages deriving from both the components. In this study, we present the synthesis of novel magnetic porous agarose-based graphene oxide microbeads for the adsorption and separation of positively charged aromatic molecules. The hydrogel-based graphene oxide beads revealed an ultrafast adsorption kinetics for positively charged aromatic dyes. We tested this material for the purification of fluorescent-tagged biomolecules. In addition, reduced graphene oxide microbeads were decorated with palladium nanoparticles, showing a high catalytic activity towards the reduction of dyes by sodium borohydride. Our results show that magnetic agarose based graphene microbeads with enhanced physical-chemical properties can be used for several biochemical applications. |
| Databáze: | OpenAIRE |
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