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2 642 220

(13)

(51)

IPC

B22F9/24(2006-01-01)

B82Y30/00(2011-01-01)

C21B15/00(2006-01-01)

(21) (22)

Application

2016135365, 2016-08-30

(24)

Start date

2016-08-30

(22)

Actual filing date

2016-08-30

(45)

Published

2018-01-24

(72)

Inventor

Stolyar Sergej ViktorovichLadygina Valentina PetrovnaBayukov Oleg ArtemevichYaroslavtsev Roman NikolaevichIskhakov Rauf SadykovichDobretsov Konstantin Grigorevich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Nauchnoe Uchrezhdenie Issledovatelskij Tsentr Nauchnyj Tsentr Sibirskogo Otdeleniya Rossijskoj Akademii Nauk"Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Federalnyj Universitet"

METHOD FOR PREPARING METAL IRON NANOPARTICLES Russian patent published in 2018 - IPC B22F9/24 B82Y30/00 C21B15/00

Abstract RU 2642220 C1

FIELD: nanotechnology.

SUBSTANCE: invention relates to the preparing of metal iron nanoparticles from aqueous sol based on ferrihydrite nanoparticles and can be used in medicine. Aqueous sol based on ferrihydrite nanoparticles obtained as a result of cultivation of Klebsiella oxytoca bacteria isolated from the sapropel of Lake Borovoe of the Krasnoyarsk Territory is treated in cavitation mode for 4-24 min on an apparatus of the Volna series UZTA-0.4/22-OM with ultrasonic treatment intensity >10 W/cm² and a frequency of 22 kHz. The metal is reduced as a precipitate of metal nanoparticles of iron, which are then separated and dried.

EFFECT: ferromagnetic iron nanoparticles have a volume-centred cubic package.

2 dwg,1 tbl

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RU 2 642 220 C1

Authors

Stolyar Sergej Viktorovich

Ladygina Valentina Petrovna

Bayukov Oleg Artemevich

Yaroslavtsev Roman Nikolaevich

Iskhakov Rauf Sadykovich

Dobretsov Konstantin Grigorevich

Dates

2018-01-24—Published

2016-08-30—Filed