Effect of Aqueous Dispersions with NPAg, NPCu, NPBi, and ZnNO, Millimeter- Wave Radiation, and Weak Magnetic Fields on the Germination of Triticale and Wheat Seeds under the Action of a Pathogenic Fungus and Low Temperatures

Maslobrod, S. N.; Mirgorod, Yy. A.; Lupashku, G. A.; Borsch, N. A.; Borodina, V. G.; Ageeva, L. S.; Shibaev, A.; Groisman, I.

doi:10.1007/978-981-287-736-9_67

3rd International Conference on Nanotechnologies and Biomedical Engineering

2016

DOI: 10.1007/978-981-287-736-9_67

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Effect of Aqueous Dispersions with NPAg, NPCu, NPBi, and ZnNO, Millimeter- Wave Radiation, and Weak Magnetic Fields on the Germination of Triticale and Wheat Seeds under the Action of a Pathogenic Fungus and Low Temperatures

S. N. Maslobrod

Yy. A. Mirgorod

G. A. Lupashku

et al.

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2024

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Characterization of Copper nanoparticles obtained in AOT reverse micelles using flavonoids as a reducing agent

Rashidi,

Ageeva,

Fatyanova

et al. 2024

jour

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Purpose of the study. To characterize copper nanoparticles obtained in reverse micelles of sodium bis-(2-ethylhexyl)-sulfosuccinate (AOT) using flavonoids: quercetin and rutin in comparison with traditional reducing agents - sodium borohydride and hydrazine. Methods. Chemical synthesis of copper nanoparticles, spectrophotometry to determine the maximum of the plasmon absorption band of copper nanoparticles, electron transmission microscopy. Results. The reduction of copper ions using flavonoids – quercetin and rutin – confirmed the possibility of obtaining copper nanoparticles in the Cu+2/AOT/isooctane system (AOT is sodium bis-(2-ethylhexyl)-sulfosuccinate, an anionic surfactant that forms the micelle shell). During the formation of nanoparticles, “plasmonic” absorption bands were observed in the electronic spectra in the region of 400-440 nm. In the case of the traditional reducing agent, sodium borohydride, absorption is observed in the region of (439 ± 3) nm, which can also be attributed to the “plasmonic band” of copper nanoparticles, but its intensity is very low, which indicates the formation of a small amount of copper nanoparticles. Using transmission electron microscopy. The average size of copper nanoparticles was determined: 7.1, 8.2 and 18.5 nm in the case of quercetin, rutin and hydrazine, respectively. From the histograms constructed from the results of electron transmission microscopy, it follows that the use of flavonoids as reducing agents makes it possible to reduce the average size of copper nanoparticles and narrow their size distribution. Conclusion. Copper nanoparticles obtained in a reverse micellar solution of AOT in iso-octane using the flavonoids quercetin and rutin as a reducing agent have an average size of 7-8 nm and a narrower size distribution compared to reduction with hydrazine.

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Characterization of Copper nanoparticles obtained in AOT reverse micelles using flavonoids as a reducing agent

Rashidi,

Ageeva,

Fatyanova

et al. 2024

jour

View full text Add to dashboard Cite

show abstract

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Effect of Aqueous Dispersions with NPAg, NPCu, NPBi, and ZnNO, Millimeter- Wave Radiation, and Weak Magnetic Fields on the Germination of Triticale and Wheat Seeds under the Action of a Pathogenic Fungus and Low Temperatures

Cited by 1 publication

References 2 publications

Characterization of Copper nanoparticles obtained in AOT reverse micelles using flavonoids as a reducing agent

Characterization of Copper nanoparticles obtained in AOT reverse micelles using flavonoids as a reducing agent

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