Concentration-dependent magnetic hyperthermic response of manganese ferrite-loaded ultrasmall graphene oxide nanocomposites

2014 ◽  
Vol 38 (6) ◽  
pp. 2312-2319 ◽  
Author(s):  
Erwin Peng ◽  
Jun Ding ◽  
Jun Min Xue
Keyword(s):  
Graphene Oxide ◽  
Magnetic Nanocomposites ◽  
Manganese Ferrite ◽  
Hyperthermic Response

The SAR values of the magnetic nanocomposites increased by approximately two-fold when the concentration was reduced by a factor of 3.

One-pot preparation of graphene oxide magnetic nanocomposites for the removal of tetrabromobisphenol A

2013 ◽  
Vol 7 (3) ◽  
pp. 442-450 ◽  
Author(s):  
Liqin Ji ◽  
Xue Bai ◽  
Lincheng Zhou ◽  
Hanchang Shi ◽  
Wei Chen ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Tetrabromobisphenol A ◽  
Magnetic Nanocomposites ◽  
One Pot

Fabrication of manganese ferrite/graphene oxide nanocomposites for removal of nickel ions, methylene blue from water

2020 ◽  
Vol 533 ◽  
pp. 110700 ◽  
Author(s):  
Lu Thi Mong Thy ◽  
Nguyen Hoan Kiem ◽  
Tran Hoang Tu ◽  
Lu Minh Phu ◽  
Doan Thi Yen Oanh ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Graphene Oxide ◽  
Manganese Ferrite ◽  
Nickel Ions

Construction of graphene oxide magnetic nanocomposites-based on-chip enzymatic microreactor for ultrasensitive pesticide detection

2013 ◽  
Vol 1315 ◽  
pp. 28-35 ◽  
Author(s):  
Ru-Ping Liang ◽  
Xiao-Ni Wang ◽  
Chun-Ming Liu ◽  
Xiang-Ying Meng ◽  
Jian-Ding Qiu
Keyword(s):  
Graphene Oxide ◽  
Magnetic Nanocomposites ◽  
Pesticide Detection ◽  
On Chip

scholarly journals Preparation and characterization of Fe3O4/gallic acid/graphene oxide magnetic nanocomposites as highly efficient Fenton catalysts

RSC Advances ◽  
2017 ◽  
Vol 7 (46) ◽  
pp. 28979-28986 ◽  
Author(s):  
Yani Hua ◽  
Sha Wang ◽  
Juan Xiao ◽  
Chang Cui ◽  
Chuan Wang
Keyword(s):  
Methylene Blue ◽  
Graphene Oxide ◽  
Gallic Acid ◽  
Magnetic Nanocomposites ◽  
Heterogeneous Fenton ◽  
Highly Efficient

In this study, Fe3O4/gallic acid/graphene oxide magnetic nanocomposites (Fe3O4/GA/GO MNPs) were synthesized as heterogeneous Fenton catalysts to activate H2O2 to degrade methylene blue (MB).

scholarly journals Broad-spectrum Antimicrobial ZnMintPc Encapsulated in Magnetic-nanocomposites with Graphene Oxide/MWCNTs Based on Bimodal Action of Photodynamic and Photothermal Effect

2022 ◽  
Author(s):  
Coralia Fabiola Cuadrado ◽  
Antonio Díaz-Barrios ◽  
Kleber Orlando Campana ◽  
Eric Cardona Romani ◽  
Francisco Javier Quiroz ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Broad Spectrum ◽  
Antimicrobial Agents ◽  
Zinc Phthalocyanine ◽  
Precipitation Method ◽  
Photothermal Effect ◽  
Magnetic Nanocomposites ◽  
Second Phase ◽  
Glycol Diacrylate

Microbial diseases have been declared one of the main threats to humanity, which is why, in recent years, great interest has been generated in the development of nanocomposites with antimicrobial capacity. In the present work, two magnetic nanocomposites, based on Graphene Oxide (GO) and Multiwall Carbon Nanotubes (MWCNTs) were studied. The synthesis of these magnetic nanocomposites consisted of three phases: first, the synthesis of Iron Magnetic Nanoparticles (MNPs) was carried out in the presence of MWCNTs and GO using the Co-precipitation method. The second phase consisted of the adsorption of photosensitizer menthol-Zinc phthalocyanine (ZnMintPc) into MWCNTs and GO, and the third phase was the encapsulation in poly (N-vinylcaprolactam-co-poly(ethylene glycol diacrylate)) poly (VCL-co-PEGDA) polymer VCL/PEGDA a biocompatible hydrogel, in order to obtain the magnetic nanocomposites: VCL/PEGDA-MNPs-MWCNTs-ZnMintPc and VCL/PEGDA-MNPs-GO-ZnMintPc. In vitro studies were carried out using Escherichia coli and Staphylococcus aureus bacteria and the Candida albicans yeast based on the PTT/PDT effect. This research describes the optical, morphological, magnetic and photophysical characterizations of nanocomposites and their application as antimicrobial agents. It was evaluated the antimicrobial effect of magnetics nanocomposites based on the Photodynamic/Photothermal (PDT/PTT) effect; for this purpose, doses of 65 mW cm-2 at 630 nm of light were used. The VCL/PEGDA-MNPs-GO-ZnMintPc nanocomposite was able to eliminate colonies of E. coli and S. aureus, while VCL/PEGDA-MNPs-MWCNTs-ZnMintPc nanocomposite was able to eliminate the three types of microorganisms; consequently, the latter is considered a broad-spectrum of antimicrobial agent in PDT and PTT.

Sign in / Sign up

Export Citation Format

Share Document