N. A. Marnautov

Russian Academy of Sciences

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ЛХ

Л. Х. Комиссарова

Russian Academy of Sciences

АС

А. С. Татиколов

Institute of Biochemical Physics NM Emanuel

A. B. Elfimov

Russian Academy of Sciences

ОО

Олег Олегович Васильков

D. Mendeleyev University of Chemical Technology of Russia

АН

А. Н. Голощапов

Institute of Biochemical Physics NM Emanuel

Ekaterina A. Larkina

MIREA - Russian Technological University

Irina E. Maltseva

Institute of Biochemical Physics NM Emanuel

Anton B. Elfimov

Institute of Biochemical Physics NM Emanuel

Sergei B. Bibikov

Institute of Biochemical Physics NM Emanuel

N. A. Tkachev

Semenov Institute of Chemical Physics

Cooperative Institutions

Institute of Biochemical Physics NM Emanuel

Russian Academy of Sciences

D. Mendeleyev University of Chemical Technology of Russia

Semenov Institute of Chemical Physics

Lomonosov Moscow State University

Research Institute of General Pathology and Pathophysiology, the Russian Academy of Medical Sciences

Moscow Architectural Institute

Frumkin Institute of Physical Chemistry and Electrochemistry

Moscow State University

All-Russian Scientific Research Institute of Technical Physics

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Working out the Method of Obtaining Radio-Absorbing Composite Material Based on Magnetite Nanoparticles and Polydimethylsiloxanes

Key engineering materials (2020)

Alexander A. Maltsev Sergei B. Bibikov Irina E. Maltseva N. A. Marnautov Lyubov Kh. Komissarova

The work presents the investigations of working out the method of obtaining radio-absorbing composite material based on magnetite nanoparticles and polydimethylsiloxanes. The electron microphotographs of nanoparticles were obtained and the radio-physical characteristics of material in the frequency band of 0.1-8 GHz were measured.

Magnetite Nanoparticles

10.4028/www.scientific.net/kem.869.362

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WORKING OUT THE OPTIMAL METHOD TO OBTAIN CHEMICAL-AND-SIZE HOMOGENOUS MAGNETITE NANOPARTICLES FOR BIOMEDICAL PURPOSES

Успехи современного естествознания (Advances in Current Natural Sciences) (2017)

N. A. Marnautov Л. Х. Комиссарова А. С. Татиколов Е.А. Larkina A. B. Elfimov

Magnetite Nanoparticles

10.17513/use.36493

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The development of the optimal method of obtaining magnetic liposomes carrying rubomycin

AIP conference proceedings (2019)

Л. Х. Комиссарова N. A. Marnautov А. С. Татиколов А. Н. Голощапов А. А. Кузнецов

Magnetically guided liposomes (158±32 nm diameter) loaded with cytostatic drug rubomycin were produced using optimized procedure of hydration of thin phospholipid film. Magnetite nanoparticles (7.3±1.2 nm diameter) serving as the magnetic phase of the liposomes were produced using the polyol method. The liposomes were stable, with a shelf life of several weeks.

10.1063/1.5087360

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Ceramic Black Pigments Based on Chromium-Nickel Spinel NiCr2O4

Glass and Ceramics (2017)

Олег Олегович Васильков O. P. Barinova S.V. Kirsanova N. A. Marnautov A. B. Elfimov

Chromite

Nichrome

10.1007/s10717-017-9970-8

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Obtaining pheophorbide a and its derivatives and studying their allomerization process

AIP conference proceedings (2022)

N. A. Marnautov Л. Х. Комиссарова Ekaterina A. Larkina A. B. Elfimov

The study of the chemical stability of pheophorbide a was carried out depending on such factors as lighting, the presence of an allomerization catalyst and the presence of atmospheric oxygen. Pheophorbide a was obtained by the chemical modification of chlorophyll a extracted from a natural source (microalgae Spirulina platensis). It has been shown that pheophorbide a remains stable under the conditions under which various porphyrins (chlorophyll a, chlorophyll b, bacteriochlorophyll a, pyropheophorbide a, etc.) undergo an allomerization reaction.

Pheophorbide A

10.1063/5.0069280

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Evaluation of the Biodistribution of Magnetoliposomes in a Tumor and Organs of Mice by Electron Paramagnetic Resonance Spectroscopy

BIOPHYSICS (2020)

N. A. Marnautov В. А. Сереженков Л. Х. Комиссарова N. A. Tkachev А. С. Татиколов

Biodistribution

Superparamagnetism

Magnetite Nanoparticles

10.1134/s0006350920040090

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Obtaining of Iron-Carbon Sorbent and Investigating its Sorption Efficiency

Естественные и технические науки (2020)

A. B. Elfimov А. С. Татиколов Л. Х. Комиссарова N. A. Marnautov Олег Олегович Васильков

Разработан метод получения железо-углеродного сорбента путем низкотемпературного пиролиза активированного угля в присутствии солей железа. Проведено сравнительное исследование его сорбционной эффективности и гемосорбента Симплекс-Ф к низко-, средне- и высоко-молекулярным соединениям-маркерам: метиленовый синий, цианкобаламин, альбумин в физиологическом растворе: изучена кинетика сорбции соединений-маркеров и определены значения сорбционной емкости. Показано, что максимальные значения сорбционной емкости полученного сорбента к соединениям-маркерам отмечаются через 30–60 сек., для гемосорбента Симплекс-Ф – через 1–2 часа соответственно. Высокая сорбционная емкость 40,0 ± 5,1 мг/г обнаружена к метиленовому синему по сравнению со значением 3,8 ± 0,4 мг/г для гемосорбента Симплекс-Ф. Полученный железо-углеродный сорбент может быть рекомендован в качестве магнитоуправляемого сорбента для экстракорпоральной очистки биологических жидкостей (кровь, плазма) от эндо- и экзо- низкомолекулярных токсикантов (креатинин, барбитураты). There has been developed the method of obtaining iron-carbon sorbent by low-temperature pyrolysis of activated carbon in the presence of ferric salts. There has been carried out the comparative investigation of its sorption efficiency and that of hemosorbent Simplex-F to low-, middle- and high-molecular compounds-markers: methylene-blue, cyancobalamin and albumin in a physiological solution. There has been studied the sorption kinetics of the compounds-markers and determined the sorption capacity figures. It has been shown that the maximal figures of the obtained sorbent’s sorption capacity to compounds-markers are reached in 30–60 s, for hemsorbent Simplex-F – in 1-2 hours, accordingly. The high sorption capacity of 40,0 ± 5,1 mg/g has been detected to methylene-blue in comparison with 3,8 ± 0,4 mg/g for hemosorbent Simplex-F. The obtained iron-carbon sorbent can be recommended as a magnetic-operated sorbent for extra corporal detoxification of biological liquids (blood, plasma) from endo- and exo- low-molecular toxicants (creatinin, barbiturates).

Methylene blue

Carbon fibers

10.25633/etn.2020.11.18

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Synthesis of magnetite nanoparticles and investigation of their sizes and sorption properties

Естественные и технические науки (2021)

A. B. Elfimov А. С. Татиколов N. A. Marnautov Ю.А. Эскерова Л. Х. Комиссарова

В статье представлены результаты по изучению размеров и сорбционной емкости наночастиц магнетита, полученных на основе метода соосаждения. С использованием метода светодинамического рассеяния определен гидродинамический диаметр образцов магнетита, который для МУС-2М составил 20 ± 5 нм. Показано, что наночастицы магнетита имеют высокую сорбционную емкость к альбумину 34,4 ± 4.1 мг/г, превышающую сорбционную емкость известных угольных гемосорбентов. Полученные наночастицы магнетита могут быть рекомендованы для создания на их основе магнитных иммуноадсорбентов для очистки биологических жидкостей от токсинов. The paper presents the results of investigating the sizes and sorption capacity of the magnetite nanoparticles obtained by the coprecipitation method. A hydrodynamic diameter of the magnetite samples was determined by the SDR method and equals 20 ± 5 nm for MUS-2M. It has been shown that magnetite MUS-2M has the highest sorption capacity to albumin equaling 34.4 ± 4.1 mg/g, which exceeds that of the known hemosorbents. The obtained magnetite nanoparticles can be recommended for creating on their basis magnetic immunoadsorbents to clean biological liquids from toxins.

Coprecipitation

Magnetite Nanoparticles

10.25633/etn.2020.12.01

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Obtaining the Magneto-Liposomal form of the chlorine photosensitizer

AIP conference proceedings (2022)

Л. Х. Комиссарова N. A. Marnautov Ekaterina A. Larkina А. С. Татиколов A. B. Elfimov

The paper presents the results of developing the method of obtaining magnetic liposomes (MLP) and magneto-liposomal (MLP) form of aminoalkylamide derivative of chlorine e6: 13(1)-N-(2 aminoethyl)amid-15(2),17(3)-dimethyl ether (I) on the basis of magnetite nanoparticles (MNP). Photosensitizer (PS) of chlorine e6 series (I) was obtained by chemical modification of chlorophyll a, isolated from Spirulina platensis by ethanol extraction. MNP were synthesized by thermal decomposing of iron (III) acetylacetonate in triethylene glycol. The MLP form of PS (I) was obtained by the rehydration method of thin lipid films. Inclusion of PS (I) into MLP was shown to be 50-60 %. The structure and size of the MNP, MLP and MLP form (I) were studied by the methods of transmission electron microscopy (TEM) and dynamic light scattering (DLS). The average sizes of MLP and MLP form (I), according to methods of DLS and TEM, were 173.0±67.4 nm and 204.6±84.5 nm, respectively.

Triethylene glycol

10.1063/5.0069118

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