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Optimization of Cadmium Adsorption by Magnetic …

For magnetic graphene oxide and graphene oxide, there are obvious characteristic peaks at the positions of 1332 cm −1 and 1581 cm −1, indicating a good bonding of Fe 3 O 4 nanoparticles and graphene oxide. The two characteristic peaks represent sections D and G, respectively.

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Nanomaterials | Free Full-Text | Magnetic Graphene …

To develop a pH-sensitive dual targeting magnetic nanocarrier for chemo-phototherapy in cancer treatment, we prepared magnetic graphene oxide (MGO) by depositing Fe3O4 magnetic nanoparticles on graphene oxide (GO) through chemical co-precipitation. MGO was modified with polyethylene glycol (PEG) and cetuximab (CET, an epidermal growth factor receptor (EGFR) monoclonal antibody) to …

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Graphene Oxide – Properties And Applications | …

2021-1-4 · Graphene oxide is an intensely-oxidized form of graphene itself and has sufficient oxygen-containing groups within it. Graphene oxide is considered an ideal alternative to graphene as it is water-soluble and can also disperse in many other industrial solvents. Besides, GO is also excellent for use in synthesizing graphene.

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Graphene Oxide – Properties And Applications | …

2021-1-4 · Graphene oxide is an intensely-oxidized form of graphene itself and has sufficient oxygen-containing groups within it. Graphene oxide is considered an ideal alternative to graphene as it is water-soluble and can also disperse in many other industrial solvents. Besides, GO is also excellent for use in synthesizing graphene.

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Graphene Oxide - Nanografi

Graphene oxide(GO) is a two dimensional material. It is the oxidized form of graphene, with O functional groups decorating the sp 2 C basal plane.. Due to the presence of the oxygen functional groups, graphene oxide is also hydrophilic and it can be dispersed in water solution, contrary to graphene …

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One-step synthesis of magnetic graphene oxide ...

A novel magnetic graphene oxide nanocomposite was synthesized by one-step coprecipitation method and characterized by transmission electron microscopy, X-ray photoelectron spectroscopy and vibrating sample magnetometer. The nanocomposite beard many intriguing properties, including chemical stability, high adsorption capacity, and superparamagnetic.

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Fe3O4/Reduced Graphene Oxide Nanocomposite: …

The synthesis of reduced graphene oxide modified by magnetic iron oxide (Fe 3 O 4 /rGO) and its application for heavy metals removal were demonstrated. The obtained samples were characterized by X-ray diffraction (XRD), nitrogen adsorption/desorption isotherms, X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FT-IR), and magnetic measurement.

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One-pot preparation of graphene oxide magnetic ...

Shen J, Hu Y, Shi M, Li N, Ma H, Ye M. One step synthesis of graphene oxide-magnetic nanoparticle composite. Journal of Physical Chemistry C, 2010, 114(3): 1498-1503 doi: 10.1021/jp909756r: 14: Dreyer D R, Park S, Bielawski C W, Ruoff R S. The chemistry of graphene oxide. Chemical Society Reviews, 2010, 39(1): 228-240 doi: 10.1039/b917103g pmid ...

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One-pot preparation of graphene oxide magnetic ...

Shen J, Hu Y, Shi M, Li N, Ma H, Ye M. One step synthesis of graphene oxide-magnetic nanoparticle composite. Journal of Physical Chemistry C, 2010, 114(3): 1498-1503 doi: 10.1021/jp909756r: 14: Dreyer D R, Park S, Bielawski C W, Ruoff R S. The chemistry of graphene oxide. Chemical Society Reviews, 2010, 39(1): 228-240 doi: 10.1039/b917103g pmid ...

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Magnetic-Graphene-Based Nanocomposites and …

2015-11-3 · Magnetic graphene and graphene oxide hybrids can be prepared by a variety of methods. Hydrothermal and solvothermal techniques are the most common. Other routes are also available, such as sol-gel autocombustion, sonoelectrochemical polymerization, thermal expansion and thermal reduction, microwave-assisted technique, as well as covalent ...

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Magnetic graphene oxide–based solid-phase …

Abstract. In the present work, magnetic graphene oxide–based solid-phase extraction combined with dispersive liquid–liquid microextraction has been developed for the extraction and preconcentration of some widely used pesticide residues in juice and pulp of fruits before their determination with gas chromatography–flame ionization detection.

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Magnetic Fe3O4-Graphene Oxide/Polystyrene: …

Our main goals in this work were to fabricate and characterize a novel magnetic composite of graphene oxide and polystyrene (NanoFe3O4@GO/PS). Fabrication was achieved through two steps.

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Synthesis of magnetic Fe3O4/graphene oxide …

2018-8-29 · In the present study, magnetic iron oxide/graphene oxide (Fe 3 O 4 /GO) nanocomposites were prepared by a simple and effective chemical co-precipitation method. The iron ions were generated and adsorbed onto the surface of GO in basic solution, followed by nucleation and growth of nanoparticles. The magnetic and structural properties of ...

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Magnetic Fe3O4/Graphene Oxide/Copper-Based …

In the present investigation, Fe 3 O 4 /Graphene oxide/Pr–NH 2 –Cu II was reported as a novel magnetically recoverable nanocomposite and characterized using various analytical techniques such as FT-IR spectroscopy, field emission scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDX), vibrating sample magnetometry (VSM), X-ray diffraction (XRD), and inductively ...

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Synthesis of magnetic Fe3O4/graphene oxide …

2018-8-29 · In the present study, magnetic iron oxide/graphene oxide (Fe 3 O 4 /GO) nanocomposites were prepared by a simple and effective chemical co-precipitation method. The iron ions were generated and adsorbed onto the surface of GO in basic solution, followed by nucleation and growth of nanoparticles. The magnetic and structural properties of ...

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Magnetic Fe3O4/Graphene Oxide/Copper-Based …

In the present investigation, Fe 3 O 4 /Graphene oxide/Pr–NH 2 –Cu II was reported as a novel magnetically recoverable nanocomposite and characterized using various analytical techniques such as FT-IR spectroscopy, field emission scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDX), vibrating sample magnetometry (VSM), X-ray diffraction (XRD), and inductively ...

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A Mini Review: Application Progress of Magnetic …

Seema (2020) prepared a magnetic prussian blue/reduced graphene oxide (3D-MPBRGO) with a specific surface area of 402.68 m 2 /g by modified massart method. The adsorption capacity of CS + on the magnetic graphene aerogel obtained by self-assembly is as high as 484.12 mg/g.

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Graphene Oxide – Properties And Applications | …

2021-1-4 · Graphene oxide is an intensely-oxidized form of graphene itself and has sufficient oxygen-containing groups within it. Graphene oxide is considered an ideal alternative to graphene as it is water-soluble and can also disperse in many other industrial solvents. Besides, GO is also excellent for use in synthesizing graphene.

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Graphene Oxide – Properties And Applications | …

2021-1-4 · Graphene oxide is an intensely-oxidized form of graphene itself and has sufficient oxygen-containing groups within it. Graphene oxide is considered an ideal alternative to graphene as it is water-soluble and can also disperse in many other industrial solvents. Besides, GO is also excellent for use in synthesizing graphene.

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Graphene Oxide - Nanografi

Graphene oxide(GO) is a two dimensional material. It is the oxidized form of graphene, with O functional groups decorating the sp 2 C basal plane.. Due to the presence of the oxygen functional groups, graphene oxide is also hydrophilic and it can be dispersed in water solution, contrary to graphene …

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Molecules | Free Full-Text | Magnetic Solid-Phase ...

Graphene oxide (GO) is a chemical compound with a form similar to graphene that consists of one-atom-thick two-dimensional layers of sp2-bonded carbon. Graphene oxide exhibits high hydrophilicity and dispersibility. Thus, it is difficult to be separated from aqueous solutions. Therefore, functionalization with magnetic nanoparticles is performed in order to prepare a magnetic GO nanocomposite ...

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Synthesis and Application of Magnetic Graphene …

In the present paper for the first time, magnetic graphene oxide (GO‐Fe 3 O 4) was modified with well‐known ligand 8‐hydroxyquinoline, as a new functional group, for simultaneous separation/pre‐concentration of Cd(II) and Pb(II) ions.The experiments and the optimization of variables affecting separation/preconcentration were designed, using the response surface methodology (BBD).

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Collagen-graphene oxide magnetic hybrids anchoring …

Because of the rapid development in the utilization hydrogen energy, various hydrogen storage techniques have attracted much attention. Among them, the hydrolysis of ammonia borane (NH 3 BH 3, AB) over high-efficient and low-cost catalysts is one of the most interesting pathways.In this work, the magnetic collagen powder-graphene oxide hybrids (CGP-GO-Fe 3 O 4) are synthesized by a facile …

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Frontiers | Hybrid Nanomaterials of Magnetic Iron ...

Hybrid nanostructures of magnetic iron nanoparticles and graphene oxide were synthesized and used as nanosupports for the covalent immobilization of β-glucosidase. This study revealed that the immobilization efficiency depends on the structure and the surface chemistry of nanostructures employed. The hybrid nanostructure-based biocatalysts formed exhibited a two to four-fold higher ...