Journal ArticleDOI
Preparation, Characterization, and Antibacterial Activity of Silver Nanoparticle-Decorated Graphene Oxide Nanocomposite
TLDR
GO-Ag nanocomposite, as a kind of antibacterial material, had a great promise for application in a wide range of biomedical applications and was demonstrated to have good cytocompatibility and antibacterial properties.Abstract:
In this work, we report a facile and green approach to prepare a uniform silver nanoparticles (AgNPs) decorated graphene oxide (GO) nanocomposite (GO-Ag). The nanocomposite was fully characterized by transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectra, ultraviolet–visible (UV–vis) absorption spectra, and X-ray photoelectron spectroscopy (XPS), which demonstrated that AgNPs with a diameter of approximately 22 nm were uniformly and compactly deposited on GO. To investigate the silver ion release behaviors, HEPES buffers with different pH (5.5, 7, and 8.5) were selected and the mechanism of release actions was discussed in detail. The cytotoxicity of GO-Ag nanocomposite was also studied using HEK 293 cells. GO-Ag nanocomposite displayed good cytocompatibility. Furthermore, the antibacterial properties of GO-Ag nanocomposite were studied using Gram-negative E. coli ATCC 25922 and Gram-positive S. aureus ATCC 6538 by both the plate count method and disk diffusion method. The nanoc...read more
Citations
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Journal ArticleDOI
Silver Nanoparticles: Synthesis, Characterization, Properties, Applications, and Therapeutic Approaches
TL;DR: This review extensively discusses the multifunctional bio-applications of AgNPs; for example, as antibacterial, antifungal, antiviral,Anti-inflammatory, anti-angiogenic, and anti-cancer agents, and the mechanism of the anti- cancer activity of Ag NPs.
Journal ArticleDOI
Role of nanomaterials in water treatment applications: a review.
Chella Santhosh,V. Velmurugan,George Jacob,Soon Kwan Jeong,Andrews Nirmala Grace,Amit Bhatnagar +5 more
TL;DR: In this article, various nanomaterials have been reviewed which have been used for water decontamination and a review has been given on adsorption, photocatalytic and antibacterial activity of nanommaterials.
Journal ArticleDOI
Functional Graphene Nanomaterials Based Architectures: Biointeractions, Fabrications, and Emerging Biological Applications
TL;DR: This review elucidate FGNs-bioorganism interactions and summarize recent advancements on designing FGN-based two-dimensional and three-dimensional architectures as multifunctional biological platforms.
Journal ArticleDOI
Antibacterial activity of graphene-based materials
TL;DR: This review summarizes the current efforts in the formulation of graphene-based nanocomposites with antimicrobial and antibiofilm activities as new tools to tackle the current challenges in fighting against bacterial targets.
Journal ArticleDOI
Long-term antibacterial stable reduced graphene oxide nanocomposites loaded with cuprous oxide nanoparticles.
Zhaoqing Yang,Xiangping Hao,Shougang Chen,Zhenqing Ma,Wenhui Wang,Caiyu Wang,Longfei Yue,Haiyun Sun,Qian Shao,Vignesh Murugadoss,Zhanhu Guo +10 more
TL;DR: The synergistic effect of sustained release of copper ions, elevated ROS production ability and uniform dispersion of rGO-Cu2O nanocomposites resulted in the excellent antibacterial activities of r GO-Cu1nocomposite against Escherichia coli and Staphylococcus aureus.
References
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Journal ArticleDOI
Graphene-Based Antibacterial Paper
TL;DR: Graphene-based nanomaterials can effectively inhibit the growth of E. coli bacteria while showing minimal cytotoxicity and it is demonstrated that macroscopic freestanding GO and rGO paper can be conveniently fabricated from their suspension via simple vacuum filtration.
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Cytotoxicity of graphene oxide and graphene in human erythrocytes and skin fibroblasts.
TL;DR: It is demonstrated that particle size, particulate state, and oxygen content/surface charge of graphene have a strong impact on biological/toxicological responses to red blood cells.
Journal ArticleDOI
Graphene oxide: a nonspecific enhancer of cellular growth.
Oscar N. Ruiz,K. A. Shiral Fernando,Baojiang Wang,Nicholas A. Brown,Pengju G. Luo,Nicholas D. McNamara,Marlin D. Vangsness,Ya-Ping Sun,Christopher E. Bunker +8 more
TL;DR: This study conclusively demonstrates that graphene oxide does not have intrinsic antibacterial, bacteriostatic, and cytotoxic properties in both bacteria and mammalian cells, and graphene oxide acts as a general enhancer of cellular growth by increasing cell attachment and proliferation.
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Graphene-based photothermal agent for rapid and effective killing of bacteria.
TL;DR: Graphene demonstrated better photothermal antibacterial efficiency than carbon nanotubes, and a microfluidic chip system under continuous operation mode demonstrates the reusability of MRGOGA and offers a biocompatible platform for online phothothermal sterilization.
Journal ArticleDOI
Preparation, characterization and antibacterial properties of silver-modified graphene oxide
TL;DR: In this article, a novel antibacterial material was proposed, which exhibited a superior antibacterial activity towards Escherichia coli (E. coli) due to the synergistic effect of graphene oxide and silver nanoparticles.