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2 787 472

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(51)

IPC

C01G35/00(2006-01-01)

C01F17/32(2020-01-01)

A61K49/04(2006-01-01)

C09K11/78(2006-01-01)

C30B29/30(2006-01-01)

B82Y5/00(2011-01-01)

B82Y30/00(2011-01-01)

(21) (22)

Application

2022104754, 2022-02-24

(24)

Start date

2022-02-24

(22)

Actual filing date

2022-02-24

(45)

Published

2023-01-09

(72)

Inventor

Zuev Mikhail Georgievich

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Uchrezhdenie Nauki Institut Khimii Tverdogo Tela Uralskogo Otdeleniia Rossiiskoi Akademii Nauk

COMPLEX TANTALATE OF RARE EARTH ELEMENTS IN THE NANOAMORPHOUS STATE Russian patent published in 2023 - IPC C01G35/00 C01F17/32 A61K49/04 C09K11/78 C30B29/30 B82Y5/00 B82Y30/00

Abstract RU 2787472 C1

FIELD: medicine.

SUBSTANCE: invention can be used in medicine. It is proposed to use a complex tantalate of rare earth elements with the composition M_1-x-yEr_xYb_yTaO₄, where 0.005≤x≤0.06, y=5x and M is at least one element selected from the group: lanthanum, yttrium, gadolinium, neodymium, samarium, europium, terbium, dysprosium, lutetium, in the nanoamorphous state as a material for the visualization of biological tissues.

EFFECT: invention makes it possible to obtain an agent that combines the possibilities for X-ray and upconversion luminescent imaging of biological tissues and organs, with the absorption of X-ray radiation in the range of 10-100 keV and the absorption of infrared radiation, in particular, with a wavelength in the range of 975-985 nm.

1 cl, 4 ex

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RU 2 787 472 C1

Authors

Zuev Mikhail Georgievich

Dates

2023-01-09—Published

2022-02-24—Filed