One-step synthesis of Ag–reduced graphene oxide–multiwalled carbon nanotubes for enhanced antibacterial activities

Shahriary, Leila; Nair, Roopa J.; Sabharwal, Sushma G.; Athawale, Anjali A.

doi:10.1039/c4nj02275k

Cited by 36 publications

(17 citation statements)

References 36 publications

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“…The obtained results indicated the superior activity against only E. coli (Shahriary et al . ). Moreover, pegylated silver coated SWCNTs also found effective against food borne Salmonella species (Chaudhari et al .…”

Section: Role Of Various Nanomaterials For the Management Of Infectionsmentioning

confidence: 97%

Nanotechnology based anti-infectives to fight microbial intrusions

et al. 2016

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SummaryWith the rise in human population across the globe especially in developing countries, the incidence of microbial infections are increasing with greater pace. On the other hand, available medication and therapies are found to be insufficient for the complete cure of such microbial infections due to the development of resistance against various antibiotics. Therefore, to cope up the menace of microbial infections and drug resistance, there is demand for new and compelling technology, which has the ability to impede these problems. Many research groups worldwide are finding a ray of hope in nanomaterials owing to their unique properties. In the present review we have discussed the reasons behind the development of new materials based on nanotechnology. It is mainly focused on pioneering studies on application of nanomaterials like carbon nanotube, fullerene, dendrimers, nanocomposite and metal nanoparticles in combating dreadful pathogens. Moreover, the concerns about their toxicity have also been discussed.

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Section: Role Of Various Nanomaterials For the Management Of Infectionsmentioning

confidence: 97%

Nanotechnology based anti-infectives to fight microbial intrusions

et al. 2016

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“…GO are dispersed uniformly in the solutions-see Scheme 1a [14,15]. When the CNTs are added to the GO solution for ultra-sonication, a stable suspension is formed due to the strong p-p interaction between GO and CNTs (Scheme 1b) [16]. After spray drying, both graphene and CNTs form the hybrid in which graphene is served as the petal and CNTs acts as backbone [17].…”

Section: The Formation Of Cnts and Graphene For The Flower Structurementioning

confidence: 99%

The synthesis of carbon nanotubes/graphene hybrid with flower-like structure and its application

Zeng

2016

J Mater Sci: Mater Electron

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A new method to synthesize carbon nanotubesgraphene flowers using a spray drying technique is described. The individual contributions of CNTs and graphene in the creation of the flower-like structure are discussed and investigated. The obtained novel carbon nanotubes-graphene flowers exhibit a large adsorption affinity and can serve as an ideal supporting matrix to uniformly load different types of nanoparticles. The method is relatively simple and has a large potential for use in research and technology.

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“…The G band represents the vibration at sp2-bonded carbon atoms, whereas, D band is obtained due to the disorders or defects introduced in the smooth surfaced sp2-bonded carbon and then double resonance of these D bands leads to the formation of 2D band at ~2700 cm −1 . 39,40 Further, the degree of disorder was obtained by considering the I D /I G Please do not adjust margins Please do not adjust margins value and the corresponding I D /I G values are tabulated in Table 1. 41 Obviously, the immaculate graphite exhibits a distinct Gband at 1581 cm −1 (curve a), corresponding to the in-plane vibrations of sp 2 bonded carbon atoms.…”

Section: Characterization Of Materialsmentioning

confidence: 99%

Nickel-oxide multiwall carbon-nanotube/reduced graphene oxide a ternary composite for enzyme-free glucose sensing

2016

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We report the solvent-free method of preparation for NiO-carbon nanotube/graphene ternary composite using nickel formate as a green precursor via thermal decomposition method. In this ternary composite, NiO with an average particle size of 7 nm is regularly decorated on the surface of conductive carbon matrices network such as MWCNTs and reduced graphene oxide (rGO). Here rGO serves as an ideal support for uniform distribution of NiO nanoparticles and also functions as an efficient transducer material, whereas, MWCNTs acts as a spacer between rGO, which enhances the electrical conductivity and accessibility of active reaction sites for direct glucose oxidation. The electrochemical performances are evaluated by cyclic voltammetry and amperometric techniques. Under the optimal conditions, the 20 wt. % NiO-MWCNT/rGO/GCE exhibits the sensitivity of 4223.3 µA cm −2 mM −1 and detection limit of 0.92 µM over a linear glucose concentration range upto 19 mM. Furthermore, the constructed sensor is effectively employed to detect glucose in real human blood serum sample with adequate results. The modified 20 wt.% NiO-MWCNT/rGO/GCE also shows a high sensitivity, greater selectivity, excellent reproducibility and long-term stability.

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One-step synthesis of Ag–reduced graphene oxide–multiwalled carbon nanotubes for enhanced antibacterial activities

Abstract: A silver nanoparticles decorated reduced graphene oxide–multiwalled carbon nanotubes (Ag–rGO–MWCNTs) hybrid exhibits an excellent antibacterial activity against Escherichia coli (E. coli).

Cited by 36 publications

References 36 publications

Nanotechnology based anti-infectives to fight microbial intrusions

Nanotechnology based anti-infectives to fight microbial intrusions

The synthesis of carbon nanotubes/graphene hybrid with flower-like structure and its application

Nickel-oxide multiwall carbon-nanotube/reduced graphene oxide a ternary composite for enzyme-free glucose sensing

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