Fabrication and Structural Characterization of Multi-walled Carbon Nanotube/Fe3O4 Nanocomposite

Moghim, Mohammad Hadi; Zebarjad, Seyed Mojtaba

doi:10.1007/s10904-015-0235-0

Cited by 16 publications

(6 citation statements)

References 30 publications

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“…The band at 1054 cm −1 originates from C−O and C−O‐C stretching. Compared to the MWCNT‐COOH, the FTIR spectra of Fe 3 O 4 /MWCNTs show an additional peak at 568 cm −1 resulting from the Fe−O stretching vibrations of the tetrahedral site in Fe 3 O 4 , indicating the successful loading of Fe 3 O 4 onto the MWCNT‐COOH …”

Section: Resultsmentioning

confidence: 99%

Fe₃O₄‐MWCNT Magnetic Nanocomposites as Efficient Fenton‐Like Catalysts for Degradation of Sulfamethazine in Aqueous Solution

Tang

Wang

2017

ChemistrySelect

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Sulfamethazine (SMT) is a ubiquitous pollutant due to its extensive application, and it cannot be effectively removed by conventional wastewater treatment processes. In this study, a magnetic Fe 3 O 4 nanoparticles immobilized on multi-walled carbon nanotubes (Fe 3 O 4 /MWCNTs) composites were synthesized, characterized and used as heterogeneous Fenton-like catalysts for SMT degradation. The MWCNTs scaffold with large surface area and good adsorption capacity can improve Fe 3 O 4 dispersibility and facilitate pollutant adsorption. The Fe 3 O 4 / MWCNTs exhibited enhanced catalytic activity for SMT degrada-tion. The effects of initial pH, H 2 O 2 dosage, catalyst dosage, initial SMT concentrations and temperature on SMT degradation were investigated. The results showed that the removal efficiency of SMT and total organic carbon was 98.3% and 59.7%, respectively, under optimal reaction conditions. The Fe 3 O 4 /MWCNTs also showed stable catalytic activity, reusability and easy recycling. Furthermore, the main oxidation products of SMT degradation and the primary active radical were identified, and the possible catalytic mechanism was tentatively proposed.

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Section: Resultsmentioning

confidence: 99%

Fe₃O₄‐MWCNT Magnetic Nanocomposites as Efficient Fenton‐Like Catalysts for Degradation of Sulfamethazine in Aqueous Solution

Tang

Wang

2017

ChemistrySelect

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“…The peaks of 1624, 1463, and 1386 cm -1 are the characteristic bands of -CO-NH-stretching, which indicated that the SSPEI molecules were successfully introduced on CNTs/Fe 3 O 4 [16]. The bands around 600 cm -1 are the characteristic of iron oxides [34]. In addition, the peaks at 2922 cm -1 and 2854 cm -1 as well as the peak at 1071 cm -1 are assigned to the C-H stretching vibrations and C-O-C stretching vibration, respectively [35].…”

Section: Synthesis Of Disulfide-containing Polyethyleniminementioning

confidence: 89%

Synthesis, Characterization, and Evaluation of Disulfide-Containing Polyethylenimine Derivative Functionalized Magnetic Carbon Nanotubes as an Efficient Gene Vector

Qiao

Lei

et al. 2019

Journal of Nanomaterials

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Magnetic nanoparticles have been widely developed as vectors in targeting drug and gene delivery. Disulfide-containing polyethylenimine derivative- (SSPEI-) functionalized magnetic carbon nanotubes (CNTs/Fe3O4-SSPEI) were synthesized as gene vector. Fourier transform infrared, transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and thermogravimetric analysis were used to characterize CNTs/Fe3O4-SSPEI nanoparticles. The magnetic nanoparticles displayed typical superparamagnetic behavior and excellent dispersibility in water. Plasmid DNA could be bound by CNTs/Fe3O4-SSPEI to form the complexes. The sizes of complexes are about 400 nm, and the zeta potentials are positive at the w/w ratio over 6. CNTs/Fe3O4-SSPEI nanoparticles displayed higher transfection activity than did PEI (25 kDa), whereas the cytotoxicity was rather lower. Moreover, the transfection efficiency was further increased with the assistance of an external magnetic field. These results indicate that CNTs/Fe3O4-SSPEI nanoparticles would be a promising vector in targeted gene delivery.

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“… 35 , 36 Combination of CNTs and noble metals could open up a new era to enhance the application of CNTs in both drug delivery systems and PTT technique. 37 , 38 Therefore, they could be an efficient choice to convert light energy into heat in cancer photothermal therapy.…”

Section: Introductionmentioning

confidence: 99%

Novel Combination of Silver Nanoparticles and Carbon Nanotubes for Plasmonic Photo Thermal Therapy in Melanoma Cancer Model

Behnam¹,

Emami²,

Sobhani³

et al. 2018

Adv Pharm Bull

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Purpose: Plasmonic photo thermal therapy (PPTT) is a therapeutic method in which the photon energy is rapidly transformed into heat via a series of radiative and non-radiative phenomena to ablate cancer. Plasmonic NPs, such as silver NPs (Ag NPs), have considerable properties in optical absorbance. Furthermore, good thermal conductivity and cell penetration ability of carbon nanotubes (CNTs) could improve the efficacy of Ag NPs for PPTT. Decoration of the multi-walled carbon nanotubes (MWCNTs) with silver has been developed to enhance thermal conductivity of the MWCNT particles.Methods: The Ag NPs were decorated on the CNTs and the ability of these particles (CNT/Ag NPs) in reduction of melanoma tumor size after PTT was evaluated experimentally. For comparison, the PTT of silver nanorods (Ag NRs) and CNTs were investigated. The melanoma tumor was induced by injection of B16/F10 cell line to the inbred mice. Different NPs were injected into the tumors and then irradiated via laser diode (λ=670 nm, P=500 mW, and I= 3.5 W/cm2) at scheduled time.Results: Monitoring of tumor sizes showed that integration of CNTs with silver could enhance the optical absorption of CNTs and improve tumor destruction in PPTT technique.Conclusion: The CNT/Ag NPs could act as a potent agent in PPTT method in curing solid tumors.

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Fabrication and Structural Characterization of Multi-walled Carbon Nanotube/Fe3O4 Nanocomposite

Cited by 16 publications

References 30 publications

Fe₃O₄‐MWCNT Magnetic Nanocomposites as Efficient Fenton‐Like Catalysts for Degradation of Sulfamethazine in Aqueous Solution

Fe₃O₄‐MWCNT Magnetic Nanocomposites as Efficient Fenton‐Like Catalysts for Degradation of Sulfamethazine in Aqueous Solution

Synthesis, Characterization, and Evaluation of Disulfide-Containing Polyethylenimine Derivative Functionalized Magnetic Carbon Nanotubes as an Efficient Gene Vector

Novel Combination of Silver Nanoparticles and Carbon Nanotubes for Plasmonic Photo Thermal Therapy in Melanoma Cancer Model

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Fabrication and Structural Characterization of Multi-walled Carbon Nanotube/Fe3O4 Nanocomposite

Cited by 16 publications

References 30 publications

Fe3O4‐MWCNT Magnetic Nanocomposites as Efficient Fenton‐Like Catalysts for Degradation of Sulfamethazine in Aqueous Solution

Fe3O4‐MWCNT Magnetic Nanocomposites as Efficient Fenton‐Like Catalysts for Degradation of Sulfamethazine in Aqueous Solution

Synthesis, Characterization, and Evaluation of Disulfide-Containing Polyethylenimine Derivative Functionalized Magnetic Carbon Nanotubes as an Efficient Gene Vector

Novel Combination of Silver Nanoparticles and Carbon Nanotubes for Plasmonic Photo Thermal Therapy in Melanoma Cancer Model

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Product

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Fe₃O₄‐MWCNT Magnetic Nanocomposites as Efficient Fenton‐Like Catalysts for Degradation of Sulfamethazine in Aqueous Solution

Fe₃O₄‐MWCNT Magnetic Nanocomposites as Efficient Fenton‐Like Catalysts for Degradation of Sulfamethazine in Aqueous Solution