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Preparation, structure and magnetic properties of synthetic ferrihydrite nanoparticles / S. V. Stolyar [et al.] // Journal of Physics: Conference Series : Institute of Physics Publishing, 2018. - Vol. 994: 3rd International School and Workshop on Complex and Magnetic Soft Matter Systems: Structure and Physico - Mechanical Properties, CMSMS 2017 (28 June 2017 through 30 June 2017, ) Conference code: 135760, Is. 1, DOI 10.1088/1742-6596/994/1/012003
Кл.слова (ненормированные):
Magnetic properties -- Mechanical properties -- Nanoparticles -- Powders -- Sols -- Solutions -- Arabinogalactan -- Chemical deposition method -- Fe-ions -- Ferrihydrites -- Metallic state -- Nanoparticle sizes -- Superparamagnetics -- Ultrasonic treatments -- Nanomagnetics
Аннотация: Superparamagnetic ferrihydrite powders with average nanoparticle sizes of 2.5 nm produced by the chemical deposition method. Static and dynamic magnetic properties are measured. As a result of ultrasonic treatment in the cavitation regime of suspensions of ferrihydrite powders in a solution of the albumin protein, the Fe ions are reduced to the metallic state. A sol of ferrihydrite nanoparticles is prepared in an aqueous solution of arabinogalactan polysaccharide. © Published under licence by IOP Publishing Ltd.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, SB RAS, Krasnoyarsk, Russian Federation
International Scientific Centre for Organism Extreme States Research Attached Presidium of KSC, SB RAS, Krasnoyarsk, Russian Federation
Institute of Biophysics, SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Stolyar, S. V.; Yaroslavtsev, R. N.; Bayukov, O. A.; Balaev, D. A.; Krasikov, A. A.; Iskhakov, R. S.; Vorotynov, A. M.; Ladygina, V. P.; Purtov, K. V.; Volochaev, M. N.

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Effect of nanoparticles in growth of test - Bacteria / S. V. Stolyar, L. A. Chekanova, R. N. Yaroslavtsev [et al.] // Journal of Physics: Conference Series : Institute of Physics Publishing, 2019. - Vol. 1399: International Scientific Conference on Applied Physics, Information Technologies and Engineering 2019, APITECH 2019 (25 September 2019 through 27 September 2019, ) Conference code: 156053, Is. 2. - Ст. 022029, DOI 10.1088/1742-6596/1399/2/022029
Кл.слова (ненормированные):
Coefficient of performance -- Hematite -- Industrial water treatment -- Nanomagnetics -- Nanoparticles -- Nickel compounds -- Nickel-Phosphorus -- Silver compounds -- Testing -- Water conservation -- Anti-microbial properties -- Klebsiella pneumoniae -- Magnetic composites -- Magnetic nano-particles -- Magnetic particle -- Pseudomonas aeruginosa -- Staphylococcus aureus -- Water treatment facilities -- Bacteria
Аннотация: Confident effect of five magnetic composite nanoparticles (FeP@Ag, FeP@Pd, CoP, NiP, Fe2O3@A) on growth of test bacteria colonies (Acinetobacter baumannii, scherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus) in five replicates each is considered. Reliable inhibitors of colonies of all five test bacteria were nanoparticles FeP@Ag. CoP nanoparticles are reliable inhibitors of growth of 4 test bacteria (except for test bacteria Escherichia oli). NiP nanoparticles are reliable inhibitors of growth of 2 test bacteria: Escherichia oli and Klebsiella pneumoniae. Bacteria Escherichia oli were most sensitive to the effect of magnetic nanoparticles; and bacteria Pseudomonas aeruginosa and Staphylococcus aureus were most resistant to the effect of magnetic nanoparticles. The prospects of the method are in the possibility of multiple reuse of the magnetic particles with antimicrobial properties for bacterial decontamination of the studied sources of water and removal of magnetic nanoparticles from the treated liquids by electromagnet. The method can find use in water treatment facilities for household, Industrial and medical wastes. © Published under licence by IOP Publishing Ltd.

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Держатели документа:
Federal Research Center, Krasnoyarsk Science Center, Siberian Branch of the Russian Academy of Sciences, Akademgorodok, 50, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, 50/38 Akademgorodok, Krasnoyarsk, Russian Federation
Institute of Biophysics of the Siberian Branch of the Russian Academy of Sciences, 50/12 Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Stolyar, S. V.; Chekanova, L. A.; Yaroslavtsev, R. N.; Ladygina, V. P.; Tirranen, L. S.

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