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1.
Aptamer-targeted
plasmonic
photothermal
therapy of cancer / O. S. Kolovskaya [et al.]> // Mol. Ther. Nucl. Acids. - 2017. -
Vol. 9
. - P. 12-21,
DOI
10.1016/j.omtn.2017.08.007. - Cited References: 8. - We thank Mr. Yousef Risha for improving the use of English in the manuscript and Mr. George Y. Vorogeikin, Mr. Yuri I. Vorogeikin, and “OKB ART” for the infrared imaging. This research is supported by Ministry of Education and Science Federal Target Program #14.607.21.0104 (RFMEFI60714X0104). . - ISSN 2162-2131
Аннотация:
Novel nanoscale bioconjugates combining unique
plasmonic
photothermal properties of gold nanoparticles (AuNPs) with targeted delivery using cell-specific DNA aptamers have a tremendous potential for medical diagnostics and therapy of many cell-based diseases. In this study, we demonstrate the high anti-cancer activity of aptamer-conjugated, 37-nm spherical gold nanoparticles toward Ehrlich carcinoma in tumor-bearing mice after photothermal treatment. The synthetic anti-tumor aptamers bring the nanoparticles precisely to the desired cells and selectively eliminate cancer cells after the subsequent laser treatment. To prove tumor eradication, we used positron emission tomography (PET) utilizing radioactive glucose and computer tomography, followed by histological analysis of cancer tissue. Three injections of aptamer-conjugated AuNPs and 5 min of laser irradiations are enough to make the tumor undetectable by PET. Histological analysis proves PET results and shows lower damage of healthy tissue in addition to a higher treatment efficiency and selectivity of the gold nanoparticles functionalized with aptamers in comparison to control experiments using free unconjugated nanoparticles.
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Держатели документа:
Krasnoyarsk State Medical University named after Professor V.F. Voyno-Yasenetskii, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
The Federal State-Financed Institution “Federal Siberian Research Clinical Centre under the Federal Medical Biological Agency”, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
University of Ottawa, Department of Chemistry and Biomolecular Sciences, Ottawa, ON, Canada
Доп.точки доступа:
Kolovskaya, O. S.; Коловская, О. С.; Zamay, T. N.; Замай, Т. Н.; Belyanina, I. V.; Karlova, E. A.; Garanzha, I. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Kirichenko, A. K.; Dubinina, A. V.; Дубинина, А. В.; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Zamay, G. S.; Замай, Г. С.; Glazyrin, Y. E.; Глазырин, Ю. Е.; Zamay, S. S.; Замай, С. С.; Ivanchenko, T. I.; Chanchikova, N. G.; Tokarev, N. A.; Shepelevich, N. V.; Ozerskaya, A.V.; Bardin, E.; Belugin, K.; Belkin, S. A.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Gargaun, A.; Berezovski, M. V.; Kichkailo, A.S.; Кичкайло, Анна Сергеевна
}
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2.
Collective resonances
in hybrid photonic-
plasmonic
nanostructures / A. E. Ershov [et al.]> //
International Conference on Metamaterials and Nanophotonics (METANANO 2019). - St. Petersburg, 2019
Материалы конференции
,
Материалы конференции
Доп.точки доступа:
Ershov, A. E.; Ершов, Александр Андреевич; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Rasskazov, I. L.; Рассказов, Илья Леонидович; Gerasimov, V. S.; Герасимов, Валерий Сергеевич; Timofeev, I. V.; Тимофеев, Иван Владимирович; Polyutov, S. P.; Karpov, S. V.; Карпов, Сергей Васильевич; International Conference on Metamaterials and Nanophotonics(4 ; 2019 ; July ; 15-19 ; Saint Peresburg); Санкт-Петербургский национальный исследовательский университет информационных технологий, механики и оптики
}
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3.
Collective resonances in
hybrid photonic-
plasmonic
nanostructures / A. E. Ershov, R. G. Bikbaev, I. L. Rasskazov [et al.]> //
J. Phys.: Conf. Ser. - 2020. -
Vol. 1461
,
Is. 1
. - Ст. 012046
DOI
10.1088/1742-6596/1461/1/012046. - Cited References: 11. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science (Grant No. 18-42-240013); A.E. thanks the grant of the President of Russian Federation (agreement 075-15-2019-676)
Кл.слова (ненормированные):
Hybrid systems
--
Plasmonics
--
Time domain analysis
--
1-D photonic crystal
--
Defect layers
--
Nanodisks
--
Periodic arrays
--
Plasmonic
nanostructures
--
Rayleigh anomalies
--
Spectral position
--
Theoretical modeling
--
Finite difference time domain method
Аннотация:
We present the theoretical model to predict the spectral position of Rayleigh anomalies emerged in hybrid system consisting of periodic array of
plasmonic
nanodisks embeded into the middle of defect layer of 1D photonic crystal (PhC). The spectral positions of these new emerged Rayleigh anomalies agree well with the results of exact simulations with Finite-Difference Time-Domain (FDTD) method.
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Держатели документа:
Institute of Computational Modeling SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Siberian State University of Science and Technology, Krasnoyarsk, 660014, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Optics, University of Rochester, Rochester, NY 14627, United States
Доп.точки доступа:
Ershov, A. E.; Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Rasskazov, I. L.; Gerasimov, V. S.; Timofeev, I. V.; Тимофеев, Иван Владимирович; Polyutov, S. P.; Karpov, S. V.; Карпов, Сергей Васильевич; International Conference on Metamaterials and Nanophotonics(4th ; 15 - 19 July 2019 ; St. Petersburg, Russian Federation)
}
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4.
Doping independent work
function and stable band gap of spinel ferrites with tunable
plasmonic
and magnetic properties / N. Bhalla, S. Taneja, P. Thakur [et al.]> // Nano Lett. - 2021. -
Vol. 21
,
Is. 22
. - P. 9780-9788,
DOI
10.1021/acs.nanolett.1c03767. - Cited References: 41. - All authors would like to acknowledge support from EPSRC fund, award no. EP/R008841/1. Nikhil Bhalla wishes to thank Department of Economy, Northern Ireland, for supporting part of this work under GCRF Pump Priming Fund. Additionally, Atul Thakur and Preeti Thakur would like to acknowledge Gurujal, an initiative with district administration Gurugram for financial assistance from project no.176, Amity Incubation grant from the Ministry of Electronics and Information Technology (MeitY) under Technology Incubation and Development of Entrepreneurs (TIDE 2.0) program and the startup nanoLatticeX . - ISSN 1530-6984
Кл.слова (ненормированные):
plasmonics
--
magnetic
--
spinel
--
ferrites
--
atomic-doping
--
MCD
Аннотация:
Tuning optical or magnetic properties of nanoparticles, by addition of impurities, for specific applications is usually achieved at the cost of band gap and work function reduction. Additionally, conventional strategies to develop nanoparticles with a large band gap also encounter problems of phase separation and poor crystallinity at high alloying degree. Addressing the aforementioned trade-offs, here we report Ni–Zn nanoferrites with energy band gap (Eg) of ≈3.20 eV and a work function of ≈5.88 eV. While changes in the magnetoplasmonic properties of the Ni–Zn ferrite were successfully achieved with the incorporation of bismuth ions at different concentrations, there was no alteration of the band gap and work function in the developed Ni–Zn ferrite. This suggests that with the addition of minute impurities to ferrites, independent of their changes in the band gap and work function, one can tune their magnetic and optical properties, which is desired in a wide range of applications such as nanobiosensing, nanoparticle based catalysis, and renewable energy generation using nanotechnology.
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Держатели документа:
Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Shore Road, Jordanstown, BT37 0QB, United Kingdom
Healthcare Technology Hub, Ulster University, Shore Road, Jordanstown, BT37 0QB, United Kingdom
Department of Physics, Amity University Haryana, Haryana, Gurugram, 122413, India
Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, United Kingdom
L.V. Kirensky Institute of Physics, Siberian Branch of RAS, Krasnoyarsk, 660036, Russian Federation
Amity Institute of Nanotechnology, Amity University Haryana, Haryana, Gurugram, 122413, India
Доп.точки доступа:
Bhalla, N.; Taneja, S.; Thakur, P.; Sharma, P. K.; Mariotti, D.; Maddi, C.; Ivanova, O. S.; Иванова, Оксана Станиславовна; Petrov, D. A.; Петров, Дмитрий Анатольевич; Sukhachev, A. L.; Сухачев, Александр Леонидович; Edelman, I. S.; Эдельман, Ирина Самсоновна; Thakur, A.
}
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5.
Effect of local
environment in resonant domains of polydisperse
plasmonic
nanoparticle aggregates on optodynamic processes in pulsed laser fields / A. E. Ershov [et al.]> // Chin. Phys. B. - 2015. -
Vol. 24
,
Is. 4
. - Ст. 047804,
DOI
10.1088/1674-1056/24/4/047804. - Cited References:25. - Project supported by the Russian Academy of Sciences (Grant Nos. 24.29, 24.31, III.9.5, 43, SB RAS-SFU (101), and 3-9-5). . - ISSN 1674. - ISSN 1741-4199. -
РУБ
Physics, Multidisciplinary
Рубрики:
METAL NANOPARTICLES
GOLD NANOPARTICLES
OPTICAL-PROPERTIES
Кл.слова (ненормированные):
nanoparticle
--
surface plasmon
--
colloid aggregate
--
optodynamics
Аннотация:
Interactions of pulsed laser radiation with resonance domains of multiparticle colloidal aggregates having an increasingly complex local environment are studied via an optodynamic model. The model is applied to the simplest configurations, such as single particles, dimers, and trimers consisting of mono- and polydisperse Ag nanoparticles. We analyze how the local environment and the associated local field enhancement by surrounding particles affect the optodynamic processes in domains, including their photomodification and optical properties.
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Держатели документа:
Russian Acad Sci, LV Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Computat Modeling, Krasnoyarsk 660036, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
Siberian Fed Univ, Krasnoyarsk 660028, Russia
Доп.точки доступа:
Ershov, A. E.; Ершов, Александр Евгеньевич; Gavrilyuk, A. P.; Karpov, S. V.; Карпов, Сергей Васильевич; Semina, P. N.; Семина, Полина Николаевна; Russian Academy of Sciences [24.29, 24.31, III.9.5, 43, SB RAS-SFU (101), 3-9-5]
}
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6.
Endorsing a hidden
plasmonic
mode for enhancement of LSPR sensing performance in evolved metal–insulator geometry using an unsupervised machine learning algorithm / N. Bhalla, A. Thakur, I. S. Edelman, R. D. Ivantsov> // ACS Phys. Chem. Au. - 2022. -
Vol. 2
,
Is. 6
. - P. 459-467,
DOI
10.1021/acsphyschemau.2c00033. - Cited References: 35 . - ISSN 2694-2445
Перевод заглавия:
Обнаружение скрытой плазмонной моды для усиления локального поверхностного плазмонного резонанса (ЛППР). Увеличение чувствительности усовершенствованной геометрии металл-изолятор с использованием самообучающегося машинного алгоритма
Дескрипторы:
LSPR -- Plasmonics -- PCA -- Deconvolution -- Sensors
Аннотация:
Large-area nanoplasmonic structures with pillared metal–insulator geometry, also called nanomushrooms (NM), consist of an active spherical-shaped
plasmonic
material such as gold as its cap and silicon dioxide as its stem. NM is a geometry which evolves from its precursor, nanoislands (NI) consisting of aforementioned spherical structures on flat silicon dioxide substrates, via selective physical or chemical etching of the silicon dioxide. The NM geometry is well-known to provide enhanced localized surface plasmon resonance (LSPR) sensitivity in biosensing applications as compared to NI. However, precise optical phenomenon behind this enhancement is unknown and often associated with the existence of electric fields in the large fraction of the spatial region between the pillars of NM, usually accessible by the biomolecules. Here, we uncover the association of LSPR enhancement in such geometries with a hidden
plasmonic
mode by conducting magneto-optics measurements and by deconvoluting the absorbance spectra obtained during the local refractive index change of the NM and NI geometries. By the virtue of principal component analysis, an unsupervised machine learning technique, we observe an explicit relationship between the deconvoluted modes of LSPR, the differential absorption of left and right circular polarized light, and the refractive index sensitivity of the LSPR sensor. Our findings may lead to the development of new approaches to extract unknown properties of
plasmonic
materials or establish new fundamental relationships between less understood photonic properties of nanomaterials.
https://doi.org/10.1021/acsphyschemau.2c00033
Держатели документа:
Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown, Shore Road, Newtownabbey, Northern Ireland BT37 0QB, United Kingdom
Healthcare Technology Hub, Ulster University, Jordanstown, Shore Road, Newtownabbey, Northern Ireland BT37 0QB, United Kingdom
Amity Institute of Nanotechnology, Amity University Haryana, Gurugram, Haryana 122413, India
Kirensky Institute of Physics, FRC KSC Siberian Branch of Russian Academy of Sciences, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Bhalla, Nikhil; Thakur, Atul; Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич
}
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7.
Engineering mode hybridization
in regular arrays of
plasmonic
nanoparticles embedded in 1D photonic crystal / V. S. Gerasimov [et al.]> // J. Quant. Spectrosc. Radiat. Transf. - 2019. -
Vol. 224
. - P. 303-308,
DOI
10.1016/j.jqsrt.2018.11.028. - Cited References: 49. - The reported study was funded by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Regional Fund of Science (Grant No.18-42-240013); by the RF Ministry of Science and Higher Education, the State contract with Siberian Federal University for scientific research in 2017–2019 (Grant No.3.8896.2017); by the Russian Science Foundation (Project No. 18-13-00363 ) (numerical calculations of Rayleigh anomalies in planar structures and corresponding research). . - ISSN 0022-4073
Перевод заглавия:
Управляемая гибридизация мод двумерной решетки внедренной в одномерный фотонный кристалл
Кл.слова (ненормированные):
Surface lattice resonance
--
Photonic crystal
--
Optical cavity
Аннотация:
We analytically and numerically study coupling mechanisms between 1D photonic crystal (PhC) and 2D array of
plasmonic
nanoparticles (NPs) embedded in its defect layer. We introduce general formalism to explain and predict the emergence of PhC-mediated Wood–Rayleigh anomalies, which spectral positions agree well with the results of exact simulations with Finite-Difference Time-Domain (FDTD) method. Electromagnetic coupling between localized surface plasmon resonance (LSPR) and PhC-mediated Wood–Rayleigh anomalies makes it possible to efficiently tailor PhC modes. The understanding of coupling mechanisms in such hybrid system paves a way for optimal design of sensors, light absorbers, modulators and other types of modern photonic devices with controllable optical properties.
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Держатели документа:
Institute of Computational Modeling SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Federal Siberian Research Clinical Centre under FMBA of Russia, Krasnoyarsk, 660037, Russian Federation
Polytechnic Institute, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
The Institute of Optics, University of Rochester, Rochester, NY 14627, United States
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian State University of Science and Technology, Krasnoyarsk, 660014, Russian Federation
Доп.точки доступа:
Gerasimov, V. S.; Герасимов, Валерий Сергеевич; Ershov, A. E.; Ершов, Александр Евгеньевич; Bikbaev, R. G.; Rasskazov, I. L.; Timofeev, I. V.; Тимофеев, Иван Владимирович; Polyutov, S. P.; Karpov, S. V.; Карпов, Сергей Васильевич
}
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8.
Extended Discrete Interaction
Model:
Plasmonic
Excitations of Silver Nanoparticles / V. I. Zakomirnyi [et al.]> // J. Phys. Chem. C. - 2019. -
Vol. 123
,
Is. 47
. - P. 28867-28880,
DOI
10.1021/acs.jpcc.9b07410. - Cited References: 64. - H.Å. and V.I.Z. acknowledge the support of the Russian Science Foundation (project no. 18-13-00363). L.K.S. acknowledges the support of Carl Tryggers Stifetelse, project no. CTS 18-441. . - ISSN 1932-7447
Кл.слова (ненормированные):
Aspect ratio
--
Geometry
--
Nanorods
--
Optical properties
--
Plasmonics
--
Silver nanoparticles
Аннотация:
We present a new atomistic model for
plasmonic
excitations and optical properties of metallic nanoparticles, which collectively describes their complete response in terms of fluctuating dipoles and charges that depend on the local environment and on the morphology of the composite nanoparticles. Being atomically dependent, the total optical properties, the complex polarizability, and the
plasmonic
excitation of a cluster refer to the detailed composition and geometric characteristics of the cluster, making it possible to explore the role of the material, alloy mixing, size, form shape, aspect ratios, and other geometric factors down to the atomic level and making it useful for the design of
plasmonic
particles with particular strength and field distribution. The model is parameterized from experimental data and, at present, practically implementable for particles up to more than 10 nm (for nanorods even more), thus covering a significant part of the gap between the scales where pure quantum calculations are possible and where pure classical models based on the bulk dielectric constant apply. We utilized the method to both spherical and cubical clusters along with nanorods where we demonstrate both the size, shape, and ratio dependence of
plasmonic
excitations and connect this to the geometry of the nanoparticles using the plasmon length.
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Держатели документа:
Department of Theoretical Chemistry and Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology, Stockholm, SE-10691, Sweden
Federal Siberian Research Clinical Centre under FMBA of Russia, Kolomenskaya 26, Krasnoyarsk, 660037, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Department of Physics, Kaunas University of Technology, Kaunas, LT-51368, Lithuania
College of Chemistry and Chemical Engineering, Henan University, Kaifeng, Henan 475004, China
Доп.точки доступа:
Zakomirnyi, V. I.; Закомирный, Вадим Игоревич; Rinkevicius, Z.; Baryshnikov, G. V.; Sorensen, L. K.; Agren, H.
}
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9.
Laser-induced chemical liquid-phase
deposition
plasmonic
gold nanoparticles on porous TiO2 fIlm with great photoelectrochemical performance / A. S. Voronin, I. V. Nemtsev, M. S. Molokeev [et al.]> // Appl. Sci. - 2022. -
Vol. 12
,
Is. 1
. - Ст. 30,
DOI
10.3390/app12010030. - Cited References: 35 . - ISSN 2076-3417
Перевод заглавия:
Лазерно-индуцированное химическое жидкофазное осаждение плазмонных наночастиц золота на пористом TiO2
РУБ
Chemistry, Multidisciplinary + Engineering, Multidisciplinary + Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
AU NANOPARTICLES
ELECTRODES
Кл.слова (ненормированные):
photoelectrochemical properties
--
laser-induced chemical liquid-phase deposition (LCLD)
--
plasmonic
gold nanoparticles
--
nanostructures
Аннотация:
This paper considers the photoelectrochemical characteristics of a composite porous TiO2 thin film with deposited
plasmonic
gold nanoparticles. The deposition of gold nanoparticles was carried out by the laser-induced chemical liquid-phase deposition (LCLD) method. The structural characteristics of the composite have been studied; it has been shown that the porous TiO2 film has a lattice related to the tetragonal system and is in the anatase phase. Gold nanoparticles form on the surface of a porous TiO2 film. A complex of photoelectrochemical measurements was carried out. It was shown that the deposition of
plasmonic
gold nanoparticles led to a significant increase in the photocurrent density by ~820%. The proposed concept is aimed at testing the method of forming a uniform layer of
plasmonic
gold nanoparticles on a porous TiO2 film, studying their photocatalytic properties for further scaling, and obtaining large area Au/TiO2/FTO photoelectrodes, including in the roll-to-roll process.
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Держатели документа:
Russian Acad Sci FRC KSC SB RAS, Fed Res Ctr, Krasnoyarsk Sci Ctr, Dept Mol Elect,Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Sch Engn & Construct, Krasnoyarsk 660041, Russia.
Bauman Moscow State Syst Univ, Lab EMI Shielding Mat, Moscow 105005, Russia.
Siberian Fed Univ, Sch Fundamental Biol & Biotechnol, Krasnoyarsk 660041, Russia.
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Lab Mol Spect, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Sch Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Lab Crystal Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Sch Nonferrous Met & Mat Sci, Krasnoyarsk 660041, Russia.
Reshetnev Siberian State Univ Sci & Technol, Dept Aircraft, Krasnoyarsk 660037, Russia.
RAS, Fed Res Ctr, Dept Heterogeneous Catalysis, Boreskov Inst Catalysis SB, Novosibirsk 630090, Russia.
Novosibirsk State Univ, Fac Nat Sci, Novosibirsk 630090, Russia.
St Petersburg State Univ, Inst Chem, St Petersburg 199034, Russia.
Alferov Univ, Lab Renewable Energy Sources, St Petersburg 194021, Russia.
PhotoChem Elect LLC, Goryachiy Klyuch 353292, Russia.
Доп.точки доступа:
Voronin, Anton S.; Nemtsev, I. V.; Немцев, Иван Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Simunin, Mikhail M.; Kozlova, Ekaterina A.; Markovskaya, Dina V.; Lebedev, Denis V.; Lopatin, Dmitry S.; Khartov, Stanislav V.
}
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10.
Medium dependent optical
response in ultra-fine
plasmonic
nanoparticles / L. K. Sorensen, D. E. Khrennikov, V. S. Gerasimov [et al.]> // Phys. Chem. Chem. Phys. - 2022. -
Vol. 24
,
Is. 39
. - P. 24062-24075,
DOI
10.1039/d2cp02929d. - Cited References: 52. - DEK, VSG, SVK acknowledge the support of the Russian Science Foundation (project no. 18-13-00363). L. K. S. acknowledges the support of Carl Tryggers Stiftelse, project CTS 18-441. We also acknowledge the Swedish National Infrastructure for Computing (SNIC) at the High Performance Computing Center North (HPC2N) partially funded by the Swedish Research Council through grant agreement no. 2021/3-22 . - ISSN 1463-9084
Перевод заглавия:
Зависимость оптического отклика сверхмалых плазмонных наночастиц от окружающей среды
Аннотация:
We study the influence of media on the interaction of ultra-fine
plasmonic
nanoparticles (≤ 8 nm) with radiation. The important role of the surface layer of the nanoparticles, with properties that differ from the ones in the inner part, is established. Using an atomistic representation of the nanoparticle material and its interaction with light, we find a highly inhomogeneous distribution of the electric field inside and around the particles. It is predicted that with an increase in the refractive index of the ambient medium, the extension of the surface layer of atoms increases, something that also is accompanied by an enhanced red shift of the plasmon resonance band compared to large particles in which the influence of this layer and its relative volume is reduced. It is shown that the physical origin for the formation of a surface layer of atoms near the nanoparticle boundary is related to the anisotropy of the local environment of atoms in this layer which changes the conditions for the interaction of neighboring atoms with each other and with the incident radiation. It is shown that a growth of the refractive index of the ambient medium results in an increase in the local field in the dielectric cavity in which a
plasmonic
nanoparticle is embedded and which is accompanied by a growth of the amplitude of the plasmon resonance. We predict that in the ultra-fine regime the refractive index sensitivity shows a decreasing trend with respect to size which is opposite to that for larger particles. With the applied atomistic model this work demonstrates close relations between field distributions and properties of ultra-fine nanoparticles.
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Держатели документа:
Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden. lasse.kragh.soerensen@gmail.com
Department of Theoretical Chemistry and Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology, Stockholm, SE-10691, Sweden
University Library, University of Southern Denmark, DK-5230 Odense M, Denmark
International Research Center of Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Institute of Computational Modelling, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Federal Siberian Research Clinical Centre under FMBA of Russia, 660037, Kolomenskaya, 26 Krasnoyarsk, Russia
L. V. Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Sorensen, L. K.; Khrennikov, D. E.; Gerasimov, V. S.; Ershov, A. E.; Polyutov, S. P.; Karpov, S. V.; Карпов, Сергей Васильевич; Agren, H.
}
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11.
Multilayered gold nanoshells
with ideal absorption for
plasmonic
photothermal therapy / V. I. Zakomirnyi [et al.]> //
The International Conference on Coherent and Nonlinear Optics; The Lasers, Applications, and Technologies ICONO/LAT 2016. - 2016. - Ст. IThL8. - P. 68-69
Аннотация:
In this paper we study multilayered spherical nanoparticles with ideal absorption for biomedical applications. The core of such particles consists of Si, SiO2 or alternative
plasmonic
materials, such as zinc oxide doped with aluminum, gallium and indium tin oxide whereas the outer shell consists of gold. We develop the algorithm for finding optimal geometry of ideally absorbing Au nanoparticles taking into account the quantum size effect that in multilayered metallic nanoshells plays a significant role.
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,
Материалы конференции
Доп.точки доступа:
Zakomirnyi, V. I.; Rasskazov, I. L.; Рассказов, Илья Леонидович; Gerasimov, R.E.; Ershov, A. E.; Ершов, Александр Евгеньевич; Karpov, S. V.; Карпов, Сергей Васильевич; Polyutov, S. P.; International Conference on Coherent and Nonlinear Optics(2016 ; Sept. ; 26-30 ; Minsk, Belarus); International Conference on Lasers, Applications, and Technologies(2016 ; Sept. ; 26-30 ; Minsk, Belarus)
}
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12.
Multilayered gold nanoshells
with ideal absorption for
plasmonic
photothermal therapy / V. I. Zakomirnyi [et al.]> //
Журнал прикладной спектроскопии. - 2016. -
Т. 83
,
Вып. 6-16
. - P. 177-178 . - ISSN 0514-7506
Аннотация:
We study multilayered spherical nanoparticles with ideal absorption [1] for biomedical applications. The core of such particles consists of Si, SiO2 or alternative
plasmonic
materials [2], such as zinc oxide doped with aluminum, gallium and indium tin oxide whereas the outer shell consists of gold. We develop the algorithm for finding optimal geometry of ideally absorbing Au nanoparticles taking into account the quantum size effect that in multilayered metallic nanoshells plays a significant role.
РИНЦ
Доп.точки доступа:
Zakomirnyi, V .I.; Rasskazov, I. L.; Gerasimov, V. S.; Герасимов, Валерий Сергеевич; Ershov, A. E.; Ершов, Александр Евгеньевич; Karpov, S. V.; Карпов, Сергей Васильевич; Polyutov, S. P.; International Conference on Coherent and Nonlinear Optics(2016 ; Sept. ; 26-30 ; Minsk, Belarus); International Conference on Lasers, Applications, and Technologies(2016 ; Sept. ; 26-30 ; Minsk, Belarus)
}
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13.
Multipolar lattice resonances
in
plasmonic
finite-size metasurfaces / A. S. Kostyukov, I. L. Rasskazov, V. S. Gerasimov [et al.]> // Photonics. - 2021. -
Vol. 8
,
Is. 4
. - Ст. 109,
DOI
10.3390/photonics8040109. - Cited References: 66. - The reported study was funded by the Russian Science Foundation project number 19-72-00066 . - ISSN 2304-6732
Перевод заглавия:
Мультипольные решеточные резонансы в плазмонных метаповерхностях конечных размеров
РУБ
Optics
Кл.слова (ненормированные):
lattice resonance
--
plasmonics
--
multipoles
--
nanoparticle
Аннотация:
Collective lattice resonances in regular arrays of
plasmonic
nanoparticles have attracted much attention due to a large number of applications in optics and photonics. Most of the research in this field is concentrated on the electric dipolar lattice resonances, leaving higher-order multipolar lattice resonances in
plasmonic
nanostructures relatively unexplored. Just a few works report exceptionally high-Q multipolar lattice resonances in
plasmonic
arrays, but only with infinite extent (i.e., perfectly periodic). In this work, we comprehensively study multipolar collective lattice resonances both in finite and in infinite arrays of Au and Al
plasmonic
nanoparticles using a rigorous theoretical treatment. It is shown that multipolar lattice resonances in the relatively large (up to 6400 nanoparticles) finite arrays exhibit broader full width at half maximum (FWHM) compared to similar resonances in the infinite arrays. We argue that our results are of particular importance for the practical implementation of multipolar lattice resonances in different photonics applications.
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Держатели документа:
Siberian Fed Univ, Int Res Ctr Spect & Quantum Chem IRC SQC, Krasnoyarsk 660041, Russia.
Univ Rochester, Inst Opt, Rochester, NY 14627 USA.
Russian Acad Sci, Siberian Branch, Inst Computat Modelling, Krasnoyarsk 660036, Russia.
Fed Res Ctr KSC SB RAS, LV Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Kostyukov, Artem S.; Rasskazov, Ilia L.; Gerasimov, Valeriy S.; Polyutov, Sergey P.; Karpov, S. V.; Карпов, Сергей Васильевич; Ershov, Alexander E.; Russian Science FoundationRussian Science Foundation (RSF) [19-72-00066]
}
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14.
Nature of the
anomalous size dependence of resonance red shifts in ultrafine
plasmonic
nanoparticles / L. K. Sorensen, D. E. Khrennikov, V. S. Gerasimov [et al.]> // J. Phys. Chem. C. - 2022. -
Vol. 126
,
Is. 39
. - P. 16804-16814,
DOI
10.1021/acs.jpcc.2c03738. - Cited References: 61. - D.K., V.G., A.E., S.P., and S.K. acknowledge the support by the Russian Science Foundation (project no. 18-13-00363). L.K.S acknowledges the support of Carl Tryggers Stifetelse, project CTS 18-441. The authors also acknowledge the Swedish National Infrastructure for Computing (SNIC) at the High Performance Computing Center North (HPC2N) partially funded by the Swedish Research Council through grant agreement no. 2020/3-29 . - ISSN 1932-7447
Перевод заглавия:
Природа аномальной размерной зависимости резонансных длинноволновых сдвигов в сверхмалых плазмонных наночастицах
Аннотация:
Plasmonic
red shifts of nanoparticles are commonly used in imaging technologies to probe the character of local environments, and the understanding of their dependence on size, shape, and surrounding media has therefore become an important target for research. The red shift of plasmon resonances changes character at about 8-10 nm of size for spherical gold nanoparticles above this value, the red shift progresses linearly with particle size, while below this size, the red shift changes nonlinearly and more strongly with size. Using an atomistic discrete interaction model, we have studied the special properties of the nanoparticle surface layers and discovered its importance for ultrafine
plasmonic
nanoparticles and their red shifts. We find that the physical origin for the specific properties inherent to the surface layer of atoms near the nanoparticle boundary is related to the anisotropy of the local environment of atoms in this layer by other atoms. The anisotropy changes the conditions for light-induced nonlocal interactions of neighboring atoms with each other and with the incident radiation compared to the atoms located in the particle core with isotropic nearest surroundings by other atoms. The local anisotropy of the nanoparticle crystal lattice is a geometric factor that increases toward its boundary and that is the most fundamental factor underlying the physical differences between the nanoparticle surface layer and the core material. It is shown that the inflexion point at 8-10 nm is due to a change in the dominant physical origin of the red shift from chaotization of atomically light-induced dipoles within the surface layer in the case of ultrafine nanoparticles to retardation effects for large nanoparticles in which the relative volume of the surface layer decreases rapidly to a negligible value with increasing nanoparticle size. The patterns revealed are the basis for predicting the manifestation of surface layer effects in ultrafine
plasmonic
nanoparticles of different shapes and composed of different
plasmonic
materials.
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Держатели документа:
Department of Physics and Astronomy, Uppsala University, Box 516, Uppsala, SE-751 20, Sweden
Department of Theoretical Chemistry and Biology, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology, Stockholm, SE-10691, Sweden
University Library, University of Southern Denmark, Odense M, DK-5230, Denmark
International Research Center of Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Federal Research Center KSC SB RAS, Institute of Computational Modelling, Krasnoyarsk, 660036, Russian Federation
Federal Siberian Research Clinical Centre under FMBA of Russia, 26 Krasnoyarsk, Kolomenskaya660037, Russian Federation
Federal Research Center KSC SB RAS, L. V. Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
Доп.точки доступа:
Sorensen, L. K.; Khrennikov, D. E.; Gerasimov, V. S.; Ershov, A. E.; Polyutov, S. P.; Karpov, S. V.; Карпов, Сергей Васильевич; Agren, H.
}
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15.
Negative group velocity
and three-wave mixing in dielectric crystals / M. I. Shalaev [et al.]> // Opt. Lett. - 2011. -
Vol. 36
,
Is. 19
. - P. 3861-3863,
DOI
10.1364/OL.36.003861. - Cited Reference Count: 15. - Гранты: This work was supported in part by the Russian Federal Program on Science, Education and Innovation under Grant No. 2010-121-102-018, by the Presidium of the Russian Academy of Sciences under Grant No. 27.1, by the Siberian Division of the Russian Academy of Sciences under Integration Project No. 5, and by the U.S. National Science Foundation (NSF) under Grant ECCS-1028353. - Финансирующая организация: Russian Federal Program on Science, Education and Innovation [2010-121-102-018]; Presidium of the Russian Academy of Sciences [27.1]; Siberian Division of the Russian Academy of Sciences [5]; U.S. National Science Foundation (NSF) [ECCS-1028353] . - ISSN 0146-9592
Рубрики:
INDEX METAMATERIALS
PARAMETRIC AMPLIFICATION
2ND-HARMONIC GENERATION
OSCILLATOR
Кл.слова (ненормированные):
negative group velocity
--
negative-index
--
non-linear optical
--
optical parametric amplification
--
plasmonic
--
three wave mixing
--
electromagnetic waves
--
electromagnetism
--
metamaterials
--
photonic devices
--
light velocity
Аннотация:
We investigate extraordinary features of optical parametric amplification of Stokes electromagnetic waves that originate from the three-wave mixing of a backward phonon wave with negative group velocity and two ordinary electromagnetic waves. Such properties were earlier shown to exist only in
plasmonic
negative-index metamaterials that are very challenging to fabricate. Nonlinear optical photonic devices with properties similar to those predicted for negative-index metamaterials are proposed. (C) 2011 Optical Society of America
WOS
,
Scopus
,
eLibrary
Держатели документа:
Univ Wisconsin, Stevens Point, WI 54481 USA
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, Inst Phys, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Shalaev, M.I.; Slabko, V.V.; Myslivets, S. A.; Мысливец, Сергей Александрович; Popov, A.K.
}
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16.
New ideally absorbing
Au
plasmonic
nanostructures for biomedical applications / V. I. Zakomirnyi [et al.]> // J. Quant. Spectrosc. Radiat. Transf. - 2017. -
Vol. 187
. - P. 54-61,
DOI
10.1016/j.jqsrt.2016.08.015. - Cited References: 67. - The authors would like to thank the anonymous reviewers for their helpful and constructive comments that greatly contributed to improving the final version of the paper. - This work was performed within the State contract of the RF Ministry of Education and Science for Siberian Federal University for scientific research in 2014-2016 (Reference number 1792) and SB RAS Program No II.2P (0358-2015-0010). . - ISSN 0022-4073
Кл.слова (ненормированные):
Ideal absorption
--
Nanomatryoshka
--
Nanoshell
--
Plasmonic
photothermal therapy
Аннотация:
In this paper a new set of
plasmonic
nanostructures operating at the conditions of an ideal absorption (Grigoriev et al., 2015 [1]) was proposed for novel biomedical applications. We consider spherical x/Au nanoshells and Au/x/Au nanomatryoshkas, where ‘x’ changes from conventional Si and SiO2 to alternative
plasmonic
materials (Naik and Shalaev, 2013 [2]), such as zinc oxide doped with aluminum, gallium and indium tin oxide. The absorption peak of proposed nanostructures lies within 700–1100 nm wavelength region and corresponds to the maximal optical transparency of hemoglobin and melanin as well as to the radiation frequency of available pulsed medical lasers. It was shown that the ideal absorption takes place in a given wavelength region for Au coatings with thickness less than 12 nm. In this case finite quantum size effects for metallic nanoshells play a significant role. The mathematical model for the search of the ideal absorption conditions was modified by taking into account the finite quantum size effects. © 2016
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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, United States
L. V. Kirensky Institute of Physics, Krasnoyarsk, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Zakomirnyi, V. I.; Rasskazov, I. L.; Karpov, S. V.; Карпов, Сергей Васильевич; Polyutov, S. P.
}
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17.
Optimization of photothermal
methods for laser hyperthermia of malignant cells using bioconjugates of gold nanoparticles / V. S. Gerasimov [et al.]> // Colloid J. - 2016. -
Vol. 78
,
Is. 4
. - P. 435-442,
DOI
10.1134/S1061933X16040050. - Cited References: 33. - This work was supported by the Ministry of Education and Science of the Russian Federation (contract no. 14.607.21.0104 RFMEFI60714X0104) (Section 3) and the State Assignment of the Ministry of Education and Science of the Russian Federation for Siberian Federal University (contract no. 1792) (Section 2). The numerical calculations were performed using the MVS-1000 M cluster at the Institute of Computational Modeling, Siberian Branch, Russian Academy of Sciences. . - ISSN 1061-933X
РУБ
Chemistry, Physical
Рубрики:
THERMAL THERAPY
PLASMONIC
NANOPARTICLES
OPTICAL-PROPERTIES
TUMOR-CELLS
CARCINOMA
CLUSTERS
CANCER
Аннотация:
Selective action of laser radiation on membranes of malignant cells has been studied in different regimes using conjugates of gold nanoparticles with oligonucleotides by the example of DNA aptamers. Under the conditions of a contact between a bioconjugate and a cell surface and the development of substantial and rapidly relaxing temperature gradients near a nanoparticle, the membranes of malignant cells alone are efficiently damaged due to the local hyperthermia of a cellular membrane. It has been shown that employment of pulsed instead of continuous wave laser radiation provides the localization of the damaging action, which does not involve healthy cells. © 2016, Pleiades Publishing, Ltd.
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Публикация на русском языке
Оптимизация фототермических методов лазерной гипертермии злокачественных клеток с применением биоконъюгатов золотых наночастиц [Текст] / В. С. Герасимов [и др.] // Коллоид. журн. : Наука, 2016. - Т. 78 № 4. - С. 417–425
Держатели документа:
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, Russian Federation
Institute of Computational Modeling, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50/44, Krasnoyarsk, Russian Federation
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50/38, Krasnoyarsk, Russian Federation
Reshetnev State Siberian State Aerospace University, pr. Gazety “Krasnoyarskii rabochii” 31, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Gerasimov, V. S.; Герасимов, Валерий Сергеевич; Ershov, A. E.; Ершов, Александр Евгеньевич; Karpov, S. V.; Карпов, Сергей Васильевич; Polyutov, S. P.; Semina, P. N.; Семина, Полина Николаевна
}
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18.
Optimizing Au-nanoshells with
core of novel
plasmonic
materials for biomedical applications / V. I. Zakomirnyi [et al.]> //
The 11th International Conference on Laser-Light and Interactions with Particles : тезисы. - 2016
Материалы конференции
Доп.точки доступа:
Zakomirnyi, V. I.; Rasskazov, I. L.; Рассказов, Илья Леонидович; Karpov, S. V.; Карпов, Сергей Васильевич; Polyutov, S. P.; Полютов, Сергей Петрович; International Conference on Laser-Light and Interactions with Particles(11 ; 2016 ; Apr. ; 22-26 ; Xi`an, China)
}
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19.
Optodynamic and photochrome
effects in composite media with aggregates of
plasmonic
nanoparticles in pulsed laser fields / A. E. Ershov [et al.]> // ICONO/LAT 2013 : Advance conference program. - 2013. - P.
Материалы конференции
,
Материалы конференции
Доп.точки доступа:
Ershov, A. E.; Ершов, Александр Евгеньевич; Gavrilyuk, A. P.; Karpov, S. V.; Карпов, Сергей Васильевич; Semina, P. N.; Семина, Полина Николаевна; International Conference on Lasers, Applications, and Technologies (LAT 2013) (2013 ; June ; 18-22 ; Moscow)
}
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20.
Optodynamic phenomena in
aggregates of polydisperse
plasmonic
nanoparticles / A. E. Ershov [et al.]> // Appl. Phys. B. - 2014. -
Vol. 115
,
Is. 4
. - P. 547-560,
DOI
10.1007/s00340-013-5636-6. - Cited References: 48. - Authors are thankful to Prof. V. A. Markel (University of Pennsylvania) for supplying program codes for realization of the coupled dipole method for polydisperse metal nanoparticle aggregates. This research was supported by the Russian Academy of Sciences under the Grants 24.29, 24.31, III.9.5, 43, SB RAS-SFU (101); Ministry of Education and Science of Russian Federation under Contract 14.B37.21.0457. . - ISSN 0946-2171. - ISSN 1432-0649
РУБ
Optics + Physics, Applied
Рубрики:
SMALL-PARTICLE COMPOSITES
OPTICAL-PROPERTIES
NOBLE-METALS
SILVER
ELECTRON
LIQUID
GENERATION
DYNAMICS
FORCES
GOLD
Аннотация:
We propose an optodynamical model of interaction of pulsed laser radiation with aggregates of spherical metallic nanoparticles embedded into host media. The model takes into account polydispersity of particles, pair interactions between the particles, dissipation of absorbed energy, heating and melting of the metallic core of particles and of their polymer adsorption layers, and heat exchange between electron and ion components of the particle material as well as heat exchange with the interparticle medium. Temperature dependence of the electron relaxation constant of the particle material and the effect of this dependence on interaction of nanoparticles with laser radiation are first taken into consideration. We study in detail light-induced processes in the simplest resonant domains of multiparticle aggregates consisting of two particles of an arbitrary size in aqueous medium. Optical interparticle forces are realized due to the light-induced dipole interaction. The dipole moment of each particle is calculated by the coupled dipole method (with correction for the effect of higher multipoles). We determined the role of various interrelated factors leading to photomodification of resonant domains and found an essential difference in the photomodification mechanisms between polydisperse and monodisperse nanostructures.
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Держатели документа:
Russian Acad Sci, LV Kirenski Inst Phys, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Computat Modeling, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660028, Russia
Доп.точки доступа:
Ershov, A. E.; Ершов, Александр Евгеньевич; Gavrilyuk, A. P.; Karpov, S. V.; Карпов, Сергей Васильевич; Semina, P. N.; Семина, Полина Николаевна; Russian Academy of Sciences [24.29, 24.31, III.9.5, 43, SB RAS-SFU (101)]; Ministry of Education and Science of Russian Federation [14.B37.21.0457]
}
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