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Showing 1 to 12 of 17 entries
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Robot-assisted thoracoscopic right upper bi-lobectomy for pulmonary tuberculosis.

Journal of visualized surgery

Yablonskii P, Kudriashov G, Kiryukhina L, Avetisyan A.
PMID: 29682458
J Vis Surg. 2018 Mar 13;4:48. doi: 10.21037/jovs.2018.03.03. eCollection 2018.

Surgery is one of the current options in cases of pulmonary tuberculosis with failed medication treatment. Lobectomy and bi-lobectomy constitute up to one third of all surgical procedures in such cases. Nevertheless, fibrotic changes near the hilar structures and...

Laser beam focusing through a moderately scattering medium using a bimorph mirror.

Optics express

Galaktionov I, Sheldakova J, Nikitin A, Samarkin V, Parfenov V, Kudryashov A.
PMID: 33379626
Opt Express. 2020 Dec 07;28(25):38061-38075. doi: 10.1364/OE.408899.

The rarely considered case when the optical radiation passes through the weakly scattering medium, e.g. mid-density atmospheric fog with the number of scattering events up to 10 was investigated in this paper. We demonstrated an improvement of focusing of...

High-spatial resolution stacked-actuator deformable mirror for correction of atmospheric wavefront aberrations.

Applied optics

Samarkin V, Sheldakova J, Toporovsky V, Rukosuev A, Kudryashov A.
PMID: 34613147
Appl Opt. 2021 Aug 10;60(23):6719-6724. doi: 10.1364/AO.427375.

Deformable mirrors are vital components of any adaptive optical system. Considering such a crucial role in compensation of incident wavefront distortions, the main requirements are imposed on these elements that determine performance of the entire system. To correct for...

Diffusion-assisted ultrashort laser pulse induced photothermal growth of core-shell nanoparticles in polymer matrix.

Optics express

Bityurin N, Kudryashov A.
PMID: 34808811
Opt Express. 2021 Nov 08;29(23):37376-37398. doi: 10.1364/OE.439981.

Light-to-heat conversion that occurs when irradiating a metal nanoparticle within a polymer matrix with ultrashort laser pulses initiates photothermal destruction of dissolved precursor molecules just near the nanoparticle. Extracted elementary species deposit on the nanoparticle surface, forming a core-shell...

Hopping Conductivity and Dielectric Relaxations in Ag/PAN Nanocomposites.

Polymers

Kudryashov MA, Logunov AA, Mochalov LA, Kudryashova YP, Trubyanov MM, Barykin AV, Vorotyntsev IV.
PMID: 34641064
Polymers (Basel). 2021 Sep 24;13(19). doi: 10.3390/polym13193251.

The dependence of the conductivity and electric modulus of silver/polyacrylonitrile nanocomposites on the frequency of an alternating electric field has been studied at different temperatures and starting mixture AgNO

Impact of Interfaces and Laser Repetition Rate on Photocarrier Dynamics in Lead Halide Perovskites.

The journal of physical chemistry letters

Kudriashova LG, Kiermasch D, Rieder P, Campbell M, Tvingstedt K, Baumann A, Astakhov GV, Dyakonov V.
PMID: 28905628
J Phys Chem Lett. 2017 Oct 05;8(19):4698-4703. doi: 10.1021/acs.jpclett.7b02087. Epub 2017 Sep 15.

We studied charge carrier recombination in methylammonium lead iodide (MAPbI

Robot-assisted surgery in complex treatment of the pulmonary tuberculosis.

Journal of visualized surgery

Yablonskii P, Kudriashov G, Vasilev I, Avetisyan A, Sokolova O.
PMID: 29078581
J Vis Surg. 2017 Feb 13;3:18. doi: 10.21037/jovs.2016.12.09. eCollection 2017.

Surgery of pulmonary tuberculosis associated with open thoracotomy due to dense pleural and vascular adhesions. These reasons limited the use of video-assisted thoracoscopic surgery (VATS) in these cases. Robotic surgical system aimed to performing successfully minimally invasive operations for...

Analytical features of the SIR model and their applications to COVID-19.

Applied mathematical modelling

Kudryashov NA, Chmykhov MA, Vigdorowitsch M.
PMID: 33012957
Appl Math Model. 2021 Feb;90:466-473. doi: 10.1016/j.apm.2020.08.057. Epub 2020 Sep 28.

A classic two-parameter epidemiological SIR-model of the coronavirus propagation is considered. The first integrals of the system of non-linear equations are obtained. The Painlevé test shows that the system of equations is not integrable in the general case. However,...

Extremely high-power CO2 laser beam correction.

Applied optics

Kudryashov A, Alexandrov A, Rukosuev A, Samarkin V, Galarneau P, Turbide S, Châteauneuf F.
PMID: 25967488
Appl Opt. 2015 May 10;54(14):4352-8. doi: 10.1364/AO.54.004352.

This paper presents the results of high-power CO2 laser-aberration correction and jitter stabilization. A bimorph deformable mirror and two tip-tilt piezo correctors were used as executive elements. Two types of wavefront sensors, one Hartmann to measure higher-order aberrations (defocus,...

Hyperchaos and multistability in the model of two interacting microbubble contrast agents.

Chaos (Woodbury, N.Y.)

Garashchuk IR, Sinelshchikov DI, Kazakov AO, Kudryashov NA.
PMID: 31266332
Chaos. 2019 Jun;29(6):063131. doi: 10.1063/1.5098329.

We study nonlinear dynamics of two coupled contrast agents that are micrometer size gas bubbles encapsulated into a viscoelastic shell. Such bubbles are used for enhancing ultrasound visualization of blood flow and have other promising applications like targeted drug...

Magnetic Gap of Fe-Doped BiSbTe.

The journal of physical chemistry letters

Yano R, Kudriashov A, Hirose HT, Tsuda T, Kashiwaya H, Sasagawa T, Golubov AA, Stolyarov VS, Kashiwaya S.
PMID: 33900082
J Phys Chem Lett. 2021 May 06;12(17):4180-4186. doi: 10.1021/acs.jpclett.1c00869. Epub 2021 Apr 26.

Topological insulators with broken time-reversal symmetry and the Fermi level within the magnetic gap at the Dirac cone provides exotic topological magneto-electronic phenomena. Here, we introduce an improved magnetically doped topological insulator, Fe-doped BiSbTe

Sugar transporters of the SWEET family and their role in arbuscular mycorrhiza.

Vavilovskii zhurnal genetiki i selektsii

Kryukov AA, Gorbunova AO, Kudriashova TR, Yakhin OI, Lubyanov AA, Malikov UM, Shishova MF, Kozhemyakov AP, Yurkov AP.
PMID: 34950847
Vavilovskii Zhurnal Genet Selektsii. 2021 Nov;25(7):754-760. doi: 10.18699/VJ21.086.

Plant sugar transporters play an essential role in the organism's productivity by carrying out carbohydrate transportation from source cells in the leaves to sink cells in the cortex. In addition, they aid in the regulation of a substantial part...

Showing 1 to 12 of 17 entries