Synthesis of Al nanoparticles and Al/AlN composite nanoparticles by electrical explosion of aluminum wires in argon and nitrogen

Лернер, М. И.; Глазкова, Е. А.; Ложкомоев, А. С.; Svarovskaya, N. V.; Бакина, О. В.; Первиков, А. В.; Psakhie, S. G.

doi:10.1016/j.powtec.2016.04.005

Cited by 109 publications

(41 citation statements)

References 33 publications

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“…AlN/Al nanoparticles were produced by the electrical explosion of aluminum wire in a nitrogen atmosphere [18][19][20]. The mass ratio of aluminum and aluminum nitride in the nanopowder was 30 : 70 wt.…”

Section: Methodsmentioning

confidence: 99%

Zeta potential change of Neuro-2a tumor cells after exposure to alumina nanoparticles

Казанцев

Фоменко

Коровин

2016

AIP Conference Proceedings

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Abstract. In recent years, researches have paid much attention to the physical, chemical, biophysical and biochemical properties of a cell surface. It is known that most of the cells' surfaces are charged. This charge depends on the biochemical structure of the cell membranes. Therefore, measurement of a cell surface charge is a significant criterion that gives information about the cell surface. Evaluation of the cells zeta-potential is important to understand the interaction mechanisms of various drugs, antibiotics, as well as the interaction of nanoparticles with the cell surface. In this study, we use the dynamic light scattering method to detect the zeta-potential change of Neuro-2a tumor cells. It has been observed that zeta-potential shifted to negative values after exposure to metal oxide nanoparticles and inducing apoptosis.

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Section: Methodsmentioning

confidence: 99%

Zeta potential change of Neuro-2a tumor cells after exposure to alumina nanoparticles

Казанцев

Фоменко

Коровин

2016

AIP Conference Proceedings

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“…Aluminum nanopowder produced by electrical explosion of the aluminum wire in the argon atmosphere was used as a precursor for aluminum oxide nanostructures synthesis [48].…”

Section: Methodsmentioning

confidence: 99%

Antitumor activity of low-dimensional alumina structures

Коровин¹,

Фоменко²

2016

AIP Conference Proceedings

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Abstract. Nano-dimensional materials have recently attracted much attention with respect to their potential role in medicine. Physical mechanisms of interaction of nanoparticles with tumor cells will help to develop new methods for cancer disease treatment. Based on aluminum oxide phases, positively charged low-dimensional structures have different shape: agglomerates of nanosheets, nameplates, cone-shaped nanoaggregates were synthesized with the help of aluminum nanoparticles. The cytotoxicity effect of these low-dimensional structures on A549, HeLa, MDA, PyMT tumor cells was studied. It was shown that agglomerates of nanosheets were more toxic for investigating cell lines. Agglomerates of nanosheets had a medium toxic effect at a concentration of 10 mg/ml while nameplates and cone-shaped nanoaggregates were nontoxic. The toxic effect of agglomerates of nanosheets correlates with their shape, mainly the presence of multiple edges.

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“…Sarathi et al, have explained in detail, the mechanism of nanoparticle formation by WEP [22]. Lerner et al produced nano-Al particles in argon and nitrogen ambiences using a wire explosion process and have indicated pure aluminum nanoparticles were generated in argon ambience, whereas aluminum/aluminum nitride composite nanoparticles were obtained in nitrogen ambience [23]. Sarathi et al, concluded that by varying the energy ratio (K) and providing the suitable ambience, particles size can be controlled [24].…”

Section: Introductionmentioning

confidence: 99%

Enhancement of hydrogen generation using nanoaluminum particles produced by a wire explosion process

Neelmani

Jayaganthan

Raghuraman

et al. 2019

IEEJ Transactions Elec Engng

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Nanoaluminum particles were generated by a wire explosion process (WEP) in helium, argon, and nitrogen ambiences, by depositing energy equal to the vaporization energy of the conductor material volume. The size and shape of the generated nanoaluminum particles were analyzed using a transmission electron microscope (TEM). X-ray diffraction (XRD) analysis was carried out to characterize the phase in nanoaluminum (Al) particles. Particle size distribution of the produced nano-Al particles follows log-normal distribution and the nanoparticles produced in helium were of smaller size compared to those produced in argon or nitrogen ambience. Hydrogen gas was generated on reacting aluminum nanoparticles with aqueous NaOH solution. It was observed that most of the oxides formed on reaction of Al and aqueous NaOH solution were bayerite at room temperature and boehmite at higher temperature. The formation of bayerite and boehmite was characterized using XRD and TEM studies. The reactions were also carried out at higher temperature to understand the hydrogen generation rate. Molarity of NaOH has a high influence on the rate of hydrogen generation. The rate constant of the reaction was calculated adopting the first order rate law for predicting the amount of hydrogen generation. Nickel (Ni) nanoparticles synthesized by WEP and copper sulfate (CuSO 4 ) were used as catalysts and added to the reaction mixture of Al and aqueous NaOH solution to control the hydrogen generation rate. It was observed that the reaction rate of Al with NaOH medium has increased with the addition of CuSO 4 and Ni nanoparticles due to the microgalvanic effect, thereby enhancing the hydrogen generation rate.

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Synthesis of Al nanoparticles and Al/AlN composite nanoparticles by electrical explosion of aluminum wires in argon and nitrogen

Cited by 109 publications

References 33 publications

Zeta potential change of Neuro-2a tumor cells after exposure to alumina nanoparticles

Zeta potential change of Neuro-2a tumor cells after exposure to alumina nanoparticles

Antitumor activity of low-dimensional alumina structures

Enhancement of hydrogen generation using nanoaluminum particles produced by a wire explosion process

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