---

Graphene Oxide-PES-Based Mixed Matrix Membranes …

The present work is focused on preparation, characterization, and antibacterial activity evaluation of graphene oxide/polyethersulfone mixed matrix filtration membranes. Graphene oxide (GO) was synthesized via improved Hummer’s method and characterized by XRD, FTIR, and SEM. FT-IR spectra showed the presence of carboxylic acid and hydroxyl groups on GO nanosheets.

---

Graphene Oxide-Based Nanocomposites Decorated …

2018-4-23 · One of the most promising methods against drug-resistant bacteria can be surface-modified materials with biocidal nanoparticles and nanocomposites. Herein, we present a nanocomposite with silver nanoparticles (Ag-NPs) on the surface of graphene oxide (GO) as a novel multifunctional antibacterial and antifungal material. Ultrasonic technologies have been used as an effective method …

---

Graphene Oxide-Based Nanocomposites Decorated …

2018-4-23 · One of the most promising methods against drug-resistant bacteria can be surface-modified materials with biocidal nanoparticles and nanocomposites. Herein, we present a nanocomposite with silver nanoparticles (Ag-NPs) on the surface of graphene oxide (GO) as a novel multifunctional antibacterial and antifungal material. Ultrasonic technologies have been used as an effective method …

---

Graphene-based materials kill bacteria two ways ...

2020-11-27 · Graphene-based materials kill bacteria through one of two possible mechanisms. Researchers have now compared the antibacterial activity of graphite, graphite oxide, graphene oxide …

---

Construction of biocompatible bovine serum albumin ...

2019-10-10 · Efficient and highly controllable antibacterial effect, as well as good biocompatibility are required for antibacterial materials to overcome multi-drug resistance in bacteria. Herein, nano graphene oxide (NGO)-based near-infrared (NIR) photothermal antibacterial materials was schemed to complex with biocompatible bovine serum albumin (BSA) and aggregation-induced emission fluorogen (AIEgen ...

---

[PDF] Antibacterial activity of graphite, graphite oxide ...

Health and environmental impacts of graphene-based materials need to be thoroughly evaluated before their potential applications. Graphene has strong cytotoxicity toward bacteria. To better understand its antimicrobial mechanism, we compared the antibacterial activity of four types of graphene-based materials (graphite (Gt), graphite oxide (GtO), graphene oxide (GO), and reduced graphene oxide ...

---

[PDF] Antibacterial activity of graphite, graphite oxide ...

Health and environmental impacts of graphene-based materials need to be thoroughly evaluated before their potential applications. Graphene has strong cytotoxicity toward bacteria. To better understand its antimicrobial mechanism, we compared the antibacterial activity of four types of graphene-based materials (graphite (Gt), graphite oxide (GtO), graphene oxide (GO), and reduced graphene oxide ...

---

Hydrophobically modified graphene oxide as a barrier …

Numerous works have been reported in order to enhance the barrier properties of the polystyrene (PS). In this work, hydrophilic graphene oxide (GO), prepared by the Hummer method, was surface-grafted with hydrophobic poly(4-vinylbenzyl chloride), p(VBC), via in situ radical polymerization approach. The graphene oxide/poly(4-vinylbenzyl chloride), GP(VBC), was then dispersed in the polystyrene ...

---

Antibacterial Properties of Graphene-Based …

Graphene, which is a two-dimensional (2D) nano-structure consisting of sp 2 carbons, is a building block of several carbon allotropes including charcoal, graphite, bucky balls, and carbon nanotubes. Graphene emerged as a promising nanomaterial since its discovery in 2004 [] because of its unique catalytic, optical, and electrical properties as well as exceptional physical properties such as a ...

---

Near-infrared Irradiation and Graphene Oxide Film ...

Abstract. Background and objectives: Graphene oxide (GO) is a monolayer sheet of carbon with a thickness of 1 nm or less. Recent studies have revealed that GO exerts antibacterial properties, absorbs near-infrared (NIR) irradiation and generates heat.

---

Antibacterial Applications of Graphene-Based …

The antibacterial properties of graphene-based nanomaterials were first demonstrated by Hu et al. (W, et al., 2010), who studied the interaction of GO with Gram-negative bacteria, E. coli and concluded a concentration of 85 μg/mL GO could significantly restrain the growth of the bacteria. A similar interesting result was achieved by Veerapandian et al. (Veerapandian, Zhang, Krishnamoorthy ...

---

Antibacterial Applications of Graphene-Based …

The antibacterial properties of graphene-based nanomaterials were first demonstrated by Hu et al. (W, et al., 2010), who studied the interaction of GO with Gram-negative bacteria, E. coli and concluded a concentration of 85 μg/mL GO could significantly restrain the growth of the bacteria. A similar interesting result was achieved by Veerapandian et al. (Veerapandian, Zhang, Krishnamoorthy ...

---

Antibacterial applications of graphene oxides

Graphene oxide (GO) has antibacterial applications. A review titled "Antibacterial Applications of Graphene Oxides: Structure-Activity Relationships, Molecular Initiating Events and Biosafety ...

---

Antibacterial applications of graphene oxides

Graphene oxide (GO) has antibacterial applications. A review titled "Antibacterial Applications of Graphene Oxides: Structure-Activity Relationships, Molecular Initiating Events and Biosafety ...

---

Antibacterial activity of graphite, graphite oxide ...

Figure 2. Size distributions of Gt (a), GtO (b), rGO (c), and GO (d). At least 200 particles were measured for each sample to obtain the size distribution. Inserts show their representative SEM images by drying Gt, GtO, rGO, and GO dispersions (at the concentration of 400 μg/mL) on clean silicon wafers. Scale bars are at 10 μm. - "Antibacterial activity of graphite, graphite oxide, graphene ...

---

Antibacterial activity of graphite, graphite oxide ...

Figure 2. Size distributions of Gt (a), GtO (b), rGO (c), and GO (d). At least 200 particles were measured for each sample to obtain the size distribution. Inserts show their representative SEM images by drying Gt, GtO, rGO, and GO dispersions (at the concentration of 400 μg/mL) on clean silicon wafers. Scale bars are at 10 μm. - "Antibacterial activity of graphite, graphite oxide, graphene ...

---

Antibacterial activity of graphene oxide nanosheet …

Antibacterial activity of graphene oxide nanosheet against multidrug resistant superbugs isolated from infected patients; Abstract. Graphene oxide (GO) is a derivative of graphene nanosheet which is the most promising material of the decade in biomedical research. In particular, it has been known as an antimicrobial nanomaterial with good ...

---

Antibacterial activity of graphene oxide nanosheet …

Antibacterial activity of graphene oxide nanosheet against multidrug resistant superbugs isolated from infected patients; Abstract. Graphene oxide (GO) is a derivative of graphene nanosheet which is the most promising material of the decade in biomedical research. In particular, it has been known as an antimicrobial nanomaterial with good ...

---

Graphene-based materials kill bacteria two ways ...

2020-11-27 · Graphene-based materials kill bacteria through one of two possible mechanisms. Researchers have now compared the antibacterial activity of graphite, graphite oxide, graphene oxide …

---

Graphene: An Antibacterial Agent or a Promoter of ...

Types of Graphene. Graphene materials studied for biocompatible or antibacterial applications can be divided into three main types according to their physicochemical properties: Gr, GO, and rGO (Figure 1) (Perreault et al., 2015a).Graphene is made of carbons arranged in a single layer of sp 2 aromatic ring. It can be generated from graphite exfoliation, by thermal decomposition of silicon ...

---

Enhanced photo-induced antibacterial application of …

Highlights•Potosensitive anthraquinone-2-sodium sulfonate (AQS) was combined with graphene oxide (GO) through π-π stacking interaction.•The synthetic composite material was a novel type of nano-antibacterial material.•As prepared nano-antibacterial agent

---

Synthesis of graphene oxide-quaternary ammonium ...

Therefore, it is necessary to prepare functionalized graphene oxide derivatives to consolidate the antibacterial activity of graphene oxide and make it more stable in aqueous solutions. Currently, there are several reports on avoiding graphene oxide aggregation by grafting certain materials, such as polydopamine [ 20 ], Fe 3 O 4 [ 21 ], and ...

---

Study on Antibacterial Properties of Cellulose Acetate ...

Close mobile search navigation. Article navigation. Volume 105, Issue SI

---

Enhanced antibacterial activity through the controlled ...

graphene oxide; magnetic alignment; enhanced antibacterial activity; cytotoxicity mechanism; edge-mediated effect; Graphene is a 2D nanomaterial comprising sp 2-bonded carbons arranged in a hexagonal lattice ().The unique structure of 2D nanomaterials can result in extraordinary physicochemical properties, enabling technical solutions to address global challenges in medicine, water scarcity ...

---

Carboxymethylcellulose/MOF-5/Graphene oxide bio ...

Introduction: In recent years, more attention was dedicated to developing new methods for designing of drug delivery systems. The aim of present work is to improve the efficiency of the antibacterial drug delivery process, and to realize and to control accurately the release. Methods: First, graphene oxide (GO) was prepared according to the modified Hummers method then the GO was modified with ...

---

Carboxymethylcellulose/MOF-5/Graphene oxide bio ...

Introduction: In recent years, more attention was dedicated to developing new methods for designing of drug delivery systems. The aim of present work is to improve the efficiency of the antibacterial drug delivery process, and to realize and to control accurately the release. Methods: First, graphene oxide (GO) was prepared according to the modified Hummers method then the GO was modified with ...

---

Graphene Oxide-PES-Based Mixed Matrix Membranes …

The present work is focused on preparation, characterization, and antibacterial activity evaluation of graphene oxide/polyethersulfone mixed matrix filtration membranes. Graphene oxide (GO) was synthesized via improved Hummer’s method and characterized by XRD, FTIR, and SEM. FT-IR spectra showed the presence of carboxylic acid and hydroxyl groups on GO nanosheets.

---

Graphene Oxide-Based Nanocomposites Decorated …

2018-4-23 · One of the most promising methods against drug-resistant bacteria can be surface-modified materials with biocidal nanoparticles and nanocomposites. Herein, we present a nanocomposite with silver nanoparticles (Ag-NPs) on the surface of graphene oxide (GO) as a novel multifunctional antibacterial and antifungal material. Ultrasonic technologies have been used as an effective method …

---

Graphene Oxide-Based Nanocomposites Decorated …

2018-4-23 · One of the most promising methods against drug-resistant bacteria can be surface-modified materials with biocidal nanoparticles and nanocomposites. Herein, we present a nanocomposite with silver nanoparticles (Ag-NPs) on the surface of graphene oxide (GO) as a novel multifunctional antibacterial and antifungal material. Ultrasonic technologies have been used as an effective method …

---

Graphene: An Antibacterial Agent or a Promoter of ...

Types of Graphene. Graphene materials studied for biocompatible or antibacterial applications can be divided into three main types according to their physicochemical properties: Gr, GO, and rGO (Figure 1) (Perreault et al., 2015a).Graphene is made of carbons arranged in a single layer of sp 2 aromatic ring. It can be generated from graphite exfoliation, by thermal decomposition of silicon ...

---

Photothermal-assisted antibacterial application of ...

Photothermal-assisted antibacterial application of graphene oxide-Ag nanocomposites against clinically isolated multi-drug resistant Escherichia coli; Abstract. In the field of public health, treatment of multidrug-resistant (MDR) bacterial infection is a great challenge. Herein, we provide a solution to this problem with the use of graphene ...

---

Electron Transfer Directed Antibacterial Properties of ...

Electron Transfer Directed Antibacterial Properties of Graphene Oxide on Metals. Sunita Panda. School of Biotechnology, Kalinga Institute of Industrial Technology (KIIT) University, Bhubaneswar, Odisha, 751024 India. Search for more papers by this author. Tapan K. Rout.

---

Osteogenesis and Antibacterial Activity of Graphene …

Endowing implants with antibacterial ability and osteogenic ability plays important roles in preventing post-operative bacterial contamination and facilitating integration between implants and osseous tissue, consequently reducing implant failure rates. In this study, we develop a facile and versatile strategy with dopamine as an auxiliary for construction of dexamethasone (Dex)/liposome ...