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Showing 1 to 12 of 130 entries
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[Correlation of Endothelial Dysfunction With Course of Essential Arterial hypertension in Adolescence].

Kardiologiia

Plotnikova IV, Kovalev IA, Suslova TE, Bezlyak VV.
PMID: 28294839
Kardiologiia. 2015 Mar;55(3):21-26.

AIM: to study laboratory parameters of endothelial dysfunction (ED) and their correlation with risk factors (RF) of cardiovascular diseases at early stages of essential arterial hypertension (AH) in adolescents.MATERIAL AND METHODS: We examined 299 adolescents aged 12 - 18...

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Plotnikova IV, Kovalev IA, Suslova TE, et al. [Correlation of Endothelial Dysfunction With Course of Essential Arterial hypertension in Adolescence]. Kardiologiia. 2015;55(3):21-26
Plotnikova, I. V., Kovalev, I. A., Suslova, T. E., & Bezlyak, V. V. (2015). [Correlation of Endothelial Dysfunction With Course of Essential Arterial hypertension in Adolescence]. Kardiologiia, 55(3), 21-26.
Plotnikova, I V, et al. "[Correlation of Endothelial Dysfunction With Course of Essential Arterial hypertension in Adolescence]." Kardiologiia vol. 55,3 (2015): 21-26.
Plotnikova IV, Kovalev IA, Suslova TE, Bezlyak VV. [Correlation of Endothelial Dysfunction With Course of Essential Arterial hypertension in Adolescence]. Kardiologiia. 2015 Mar;55(3):21-26. Russian. PMID: 28294839.
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Circularly polarized Hankel vortices.

Optics express

Kotlyar VV, Kovalev AA.
PMID: 28380896
Opt Express. 2017 Apr 03;25(7):7778-7790. doi: 10.1364/OE.25.007778.

We discuss vector Hankel beams with circular polarization. These beams appear as a generalization of a spherical wave with an embedded optical vortex with topological charge n. Explicit analytical relations to describe all six projections of the E- and...

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Kotlyar VV, Kovalev AA. Circularly polarized Hankel vortices. Opt Express. 2017;25(7):7778-7790doi: 10.1364/OE.25.007778.
Kotlyar, V. V., & Kovalev, A. A. (2017). Circularly polarized Hankel vortices. Optics express, 25(7), 7778-7790. https://doi.org/10.1364/OE.25.007778
Kotlyar, Victor V, and Kovalev, Alexey A. "Circularly polarized Hankel vortices." Optics express vol. 25,7 (2017): 7778-7790. doi: https://doi.org/10.1364/OE.25.007778
Kotlyar VV, Kovalev AA. Circularly polarized Hankel vortices. Opt Express. 2017 Apr 03;25(7):7778-7790. doi: 10.1364/OE.25.007778. PMID: 28380896.
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Bifurcation picture for gap solitons in nonlinear modulated systems.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Kovalev AS, Usatenko OV, Gorbatch AV.
PMID: 11970027
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1999 Aug;60(2):2309-16. doi: 10.1103/physreve.60.2309.

We investigate the problem of nonlinear wave propagation in periodic media. Four different classes of periodic nonlinear media are taken into consideration: a nonlinear diatomic elastic chain, modulated nonlinear optical media, a diatomic easy-axis ferromagnetic chain, and an easy-plane...

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Kovalev AS, Usatenko OV, Gorbatch AV. Bifurcation picture for gap solitons in nonlinear modulated systems. Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1999;60(2):2309-16doi: 10.1103/physreve.60.2309.
Kovalev, A. S., Usatenko, O. V., & Gorbatch, A. V. (1999). Bifurcation picture for gap solitons in nonlinear modulated systems. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 60(2), 2309-16. https://doi.org/10.1103/physreve.60.2309
Kovalev, A S, et al. "Bifurcation picture for gap solitons in nonlinear modulated systems." Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics vol. 60,2 (1999): 2309-16. doi: https://doi.org/10.1103/physreve.60.2309
Kovalev AS, Usatenko OV, Gorbatch AV. Bifurcation picture for gap solitons in nonlinear modulated systems. Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1999 Aug;60(2):2309-16. doi: 10.1103/physreve.60.2309. PMID: 11970027.
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Nonparaxial propagation of a Gaussian optical vortex with initial radial polarization.

Journal of the Optical Society of America. A, Optics, image science, and vision

Kotlyar VV, Kovalev AA.
PMID: 20208925
J Opt Soc Am A Opt Image Sci Vis. 2010 Mar 01;27(3):372-80. doi: 10.1364/JOSAA.27.000372.

We study the nonparaxial diffraction of a Gaussian vortex beam with initial radial polarization and an arbitrary integer topological charge n. Analytical relationships for the radial, azimuthal, and longitudinal components of the E-vector are deduced. At n=0, the azimuthal...

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Kotlyar VV, Kovalev AA. Nonparaxial propagation of a Gaussian optical vortex with initial radial polarization. J Opt Soc Am A Opt Image Sci Vis. 2010;27(3):372-80doi: 10.1364/JOSAA.27.000372.
Kotlyar, V. V., & Kovalev, A. A. (2010). Nonparaxial propagation of a Gaussian optical vortex with initial radial polarization. Journal of the Optical Society of America. A, Optics, image science, and vision, 27(3), 372-80. https://doi.org/10.1364/JOSAA.27.000372
Kotlyar, Victor V, and Kovalev, Alexey A. "Nonparaxial propagation of a Gaussian optical vortex with initial radial polarization." Journal of the Optical Society of America. A, Optics, image science, and vision vol. 27,3 (2010): 372-80. doi: https://doi.org/10.1364/JOSAA.27.000372
Kotlyar VV, Kovalev AA. Nonparaxial propagation of a Gaussian optical vortex with initial radial polarization. J Opt Soc Am A Opt Image Sci Vis. 2010 Mar 01;27(3):372-80. doi: 10.1364/JOSAA.27.000372. PMID: 20208925.
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Generating hypergeometric laser beams with a diffractive optical element.

Applied optics

Kotlyar VV, Kovalev AA, Skidanov RV, Khonina SN, Turunen J.
PMID: 19002238
Appl Opt. 2008 Nov 10;47(32):6124-33. doi: 10.1364/ao.47.006124.

We derive explicit analytical relations to describe paraxial light beams that represent a particular case of the hypergeometric (HyG) laser beams [J. Opt. Soc. Am. A25, 262-270 (2008)JOAOD60740-323210.1364/JOSAA.25.000262]. Among these are modified quadratic Bessel-Gaussian beams, hollow Gaussian optical vortices,...

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Kotlyar VV, Kovalev AA, Skidanov RV, et al. Generating hypergeometric laser beams with a diffractive optical element. Appl Opt. 2008;47(32):6124-33doi: 10.1364/ao.47.006124.
Kotlyar, V. V., Kovalev, A. A., Skidanov, R. V., Khonina, S. N., & Turunen, J. (2008). Generating hypergeometric laser beams with a diffractive optical element. Applied optics, 47(32), 6124-33. https://doi.org/10.1364/ao.47.006124
Kotlyar, V V, et al. "Generating hypergeometric laser beams with a diffractive optical element." Applied optics vol. 47,32 (2008): 6124-33. doi: https://doi.org/10.1364/ao.47.006124
Kotlyar VV, Kovalev AA, Skidanov RV, Khonina SN, Turunen J. Generating hypergeometric laser beams with a diffractive optical element. Appl Opt. 2008 Nov 10;47(32):6124-33. doi: 10.1364/ao.47.006124. PMID: 19002238.
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Analysis of the shape of a subwavelength focal spot for the linearly polarized light.

Applied optics

Kotlyar VV, Stafeev SS, Liu Y, O'Faolain L, Kovalev AA.
PMID: 23338178
Appl Opt. 2013 Jan 20;52(3):330-9. doi: 10.1364/AO.52.000330.

By decomposing a linearly polarized light field in terms of plane waves, the elliptic intensity distribution across the focal spot is shown to be determined by the E-vector's longitudinal component. Considering that the Poynting vector's projection onto the optical...

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Kotlyar VV, Stafeev SS, Liu Y, et al. Analysis of the shape of a subwavelength focal spot for the linearly polarized light. Appl Opt. 2013;52(3):330-9doi: 10.1364/AO.52.000330.
Kotlyar, V. V., Stafeev, S. S., Liu, Y., O'Faolain, L., & Kovalev, A. A. (2013). Analysis of the shape of a subwavelength focal spot for the linearly polarized light. Applied optics, 52(3), 330-9. https://doi.org/10.1364/AO.52.000330
Kotlyar, Victor V, et al. "Analysis of the shape of a subwavelength focal spot for the linearly polarized light." Applied optics vol. 52,3 (2013): 330-9. doi: https://doi.org/10.1364/AO.52.000330
Kotlyar VV, Stafeev SS, Liu Y, O'Faolain L, Kovalev AA. Analysis of the shape of a subwavelength focal spot for the linearly polarized light. Appl Opt. 2013 Jan 20;52(3):330-9. doi: 10.1364/AO.52.000330. PMID: 23338178.
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Double perovskite Sr(2)FeMoO(6) films prepared by electrophoretic deposition.

ACS applied materials & interfaces

Kovalev LV, Yarmolich MV, Petrova ML, Ustarroz J, Terryn HA, Kalanda NA, Zheludkevich ML.
PMID: 25280066
ACS Appl Mater Interfaces. 2014 Nov 12;6(21):19201-6. doi: 10.1021/am5052125. Epub 2014 Oct 16.

The present work reports on the new approach to create metal-supported Sr2FeMoO6 (SFMO)-based electrodes that have high potential to be applied in solid oxide fuel cells. The SFMO films were formed on stainless steel substrates by electrophoretic deposition (EPD)...

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Kovalev LV, Yarmolich MV, Petrova ML, et al. Double perovskite Sr(2)FeMoO(6) films prepared by electrophoretic deposition. ACS Appl Mater Interfaces. 2014;6(21):19201-6doi: 10.1021/am5052125.
Kovalev, L. V., Yarmolich, M. V., Petrova, M. L., Ustarroz, J., Terryn, H. A., Kalanda, N. A., & Zheludkevich, M. L. (2014). Double perovskite Sr(2)FeMoO(6) films prepared by electrophoretic deposition. ACS applied materials & interfaces, 6(21), 19201-6. https://doi.org/10.1021/am5052125
Kovalev, Leonid V, et al. "Double perovskite Sr(2)FeMoO(6) films prepared by electrophoretic deposition." ACS applied materials & interfaces vol. 6,21 (2014): 19201-6. doi: https://doi.org/10.1021/am5052125
Kovalev LV, Yarmolich MV, Petrova ML, Ustarroz J, Terryn HA, Kalanda NA, Zheludkevich ML. Double perovskite Sr(2)FeMoO(6) films prepared by electrophoretic deposition. ACS Appl Mater Interfaces. 2014 Nov 12;6(21):19201-6. doi: 10.1021/am5052125. Epub 2014 Oct 16. PMID: 25280066.
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Studies on the interactions of 5-R-3-(2-pyridyl)-1,2,4-triazines with arynes: inverse demand aza-Diels-Alder reaction versus aryne-mediated domino process.

Organic & biomolecular chemistry

Kopchuk DS, Nikonov IL, Khasanov AF, Giri K, Santra S, Kovalev IS, Nosova EV, Gundala S, Venkatapuram P, Zyryanov GV, Majee A, Chupakhin ON.
PMID: 29718037
Org Biomol Chem. 2018 Jul 18;16(28):5119-5135. doi: 10.1039/c8ob00847g.

The interactions between substituted 5-R-3-(pyridyl-2)-1,2,4-triazines with in situ generated substituted aryne intermediates have been studied. The reaction afforded either inverse demand (ID) aza-Diels-Alder products or 1,2,4-triazine ring rearrangement (domino) products as major ones depending on the nature of both...

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Kopchuk DS, Nikonov IL, Khasanov AF, et al. Studies on the interactions of 5-R-3-(2-pyridyl)-1,2,4-triazines with arynes: inverse demand aza-Diels-Alder reaction versus aryne-mediated domino process. Org Biomol Chem. 2018;16(28):5119-5135doi: 10.1039/c8ob00847g.
Kopchuk, D. S., Nikonov, I. L., Khasanov, A. F., Giri, K., Santra, S., Kovalev, I. S., Nosova, E. V., Gundala, S., Venkatapuram, P., Zyryanov, G. V., Majee, A., & Chupakhin, O. N. (2018). Studies on the interactions of 5-R-3-(2-pyridyl)-1,2,4-triazines with arynes: inverse demand aza-Diels-Alder reaction versus aryne-mediated domino process. Organic & biomolecular chemistry, 16(28), 5119-5135. https://doi.org/10.1039/c8ob00847g
Kopchuk, Dmitry S, et al. "Studies on the interactions of 5-R-3-(2-pyridyl)-1,2,4-triazines with arynes: inverse demand aza-Diels-Alder reaction versus aryne-mediated domino process." Organic & biomolecular chemistry vol. 16,28 (2018): 5119-5135. doi: https://doi.org/10.1039/c8ob00847g
Kopchuk DS, Nikonov IL, Khasanov AF, Giri K, Santra S, Kovalev IS, Nosova EV, Gundala S, Venkatapuram P, Zyryanov GV, Majee A, Chupakhin ON. Studies on the interactions of 5-R-3-(2-pyridyl)-1,2,4-triazines with arynes: inverse demand aza-Diels-Alder reaction versus aryne-mediated domino process. Org Biomol Chem. 2018 Jul 18;16(28):5119-5135. doi: 10.1039/c8ob00847g. PMID: 29718037.
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Label-free characterization of white blood cells using fluorescence lifetime imaging and flow-cytometry: molecular heterogeneity and erythrophagocytosis [Invited].

Biomedical optics express

Yakimov BP, Gogoleva MA, Semenov AN, Rodionov SA, Novoselova MV, Gayer AV, Kovalev AV, Bernakevich AI, Fadeev VV, Armaganov AG, Drachev VP, Gorin DA, Darvin ME, Shcheslavskiy VI, Budylin GS, Priezzhev AV, Shirshin EA.
PMID: 31453006
Biomed Opt Express. 2019 Jul 29;10(8):4220-4236. doi: 10.1364/BOE.10.004220. eCollection 2019 Aug 01.

Blood cell analysis is one of the standard clinical tests. Despite the widespread use of exogenous markers for blood cell quantification, label-free optical methods are still of high demand due to their possibility for

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Yakimov BP, Gogoleva MA, Semenov AN, et al. Label-free characterization of white blood cells using fluorescence lifetime imaging and flow-cytometry: molecular heterogeneity and erythrophagocytosis [Invited]. Biomed Opt Express. 2019;10(8):4220-4236doi: 10.1364/BOE.10.004220.
Yakimov, B. P., Gogoleva, M. A., Semenov, A. N., Rodionov, S. A., Novoselova, M. V., Gayer, A. V., Kovalev, A. V., Bernakevich, A. I., Fadeev, V. V., Armaganov, A. G., Drachev, V. P., Gorin, D. A., Darvin, M. E., Shcheslavskiy, V. I., Budylin, G. S., Priezzhev, A. V., & Shirshin, E. A. (2019). Label-free characterization of white blood cells using fluorescence lifetime imaging and flow-cytometry: molecular heterogeneity and erythrophagocytosis [Invited]. Biomedical optics express, 10(8), 4220-4236. https://doi.org/10.1364/BOE.10.004220
Yakimov, Boris P, et al. "Label-free characterization of white blood cells using fluorescence lifetime imaging and flow-cytometry: molecular heterogeneity and erythrophagocytosis [Invited]." Biomedical optics express vol. 10,8 (2019): 4220-4236. doi: https://doi.org/10.1364/BOE.10.004220
Yakimov BP, Gogoleva MA, Semenov AN, Rodionov SA, Novoselova MV, Gayer AV, Kovalev AV, Bernakevich AI, Fadeev VV, Armaganov AG, Drachev VP, Gorin DA, Darvin ME, Shcheslavskiy VI, Budylin GS, Priezzhev AV, Shirshin EA. Label-free characterization of white blood cells using fluorescence lifetime imaging and flow-cytometry: molecular heterogeneity and erythrophagocytosis [Invited]. Biomed Opt Express. 2019 Jul 29;10(8):4220-4236. doi: 10.1364/BOE.10.004220. eCollection 2019 Aug 01. PMID: 31453006; PMCID: PMC6701549.
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Terahertz lattice dynamics of the potassium rare-earth binary molybdates.

Journal of physics. Condensed matter : an Institute of Physics journal

Poperezhai S, Gogoi P, Zubenko N, Kutko K, Kutko VI, Kovalev AS, Kamenskyi D.
PMID: 28114123
J Phys Condens Matter. 2017 Mar 08;29(9):095402. doi: 10.1088/1361-648X/aa55a8. Epub 2017 Jan 23.

We report a systematic study of low-energy lattice vibrations in the layered systems KY(MoO

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Poperezhai S, Gogoi P, Zubenko N, et al. Terahertz lattice dynamics of the potassium rare-earth binary molybdates. J Phys Condens Matter. 2017;29(9):095402doi: 10.1088/1361-648X/aa55a8.
Poperezhai, S., Gogoi, P., Zubenko, N., Kutko, K., Kutko, V. I., Kovalev, A. S., & Kamenskyi, D. (2017). Terahertz lattice dynamics of the potassium rare-earth binary molybdates. Journal of physics. Condensed matter : an Institute of Physics journal, 29(9), 095402. https://doi.org/10.1088/1361-648X/aa55a8
Poperezhai, S, et al. "Terahertz lattice dynamics of the potassium rare-earth binary molybdates." Journal of physics. Condensed matter : an Institute of Physics journal vol. 29,9 (2017): 095402. doi: https://doi.org/10.1088/1361-648X/aa55a8
Poperezhai S, Gogoi P, Zubenko N, Kutko K, Kutko VI, Kovalev AS, Kamenskyi D. Terahertz lattice dynamics of the potassium rare-earth binary molybdates. J Phys Condens Matter. 2017 Mar 08;29(9):095402. doi: 10.1088/1361-648X/aa55a8. Epub 2017 Jan 23. PMID: 28114123.
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Superpositions of asymmetrical Bessel beams.

Journal of the Optical Society of America. A, Optics, image science, and vision

Kotlyar VV, Kovalev AA, Soifer VA.
PMID: 26367037
J Opt Soc Am A Opt Image Sci Vis. 2015 Jun 01;32(6):1046-52. doi: 10.1364/JOSAA.32.001046.

We considered nonparaxial asymmetrical Bessel modes of the first and second types, which differ from a conventional symmetrical Bessel mode by a real-valued shift along one Cartesian coordinate and an imaginary shift along another (both shifts are equal in...

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Kotlyar VV, Kovalev AA, Soifer VA. Superpositions of asymmetrical Bessel beams. J Opt Soc Am A Opt Image Sci Vis. 2015;32(6):1046-52doi: 10.1364/JOSAA.32.001046.
Kotlyar, V. V., Kovalev, A. A., & Soifer, V. A. (2015). Superpositions of asymmetrical Bessel beams. Journal of the Optical Society of America. A, Optics, image science, and vision, 32(6), 1046-52. https://doi.org/10.1364/JOSAA.32.001046
Kotlyar, V V, et al. "Superpositions of asymmetrical Bessel beams." Journal of the Optical Society of America. A, Optics, image science, and vision vol. 32,6 (2015): 1046-52. doi: https://doi.org/10.1364/JOSAA.32.001046
Kotlyar VV, Kovalev AA, Soifer VA. Superpositions of asymmetrical Bessel beams. J Opt Soc Am A Opt Image Sci Vis. 2015 Jun 01;32(6):1046-52. doi: 10.1364/JOSAA.32.001046. PMID: 26367037.
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Calculation of fractional orbital angular momentum of superpositions of optical vortices by intensity moments.

Optics express

Kotlyar VV, Kovalev AA, Porfirev AP.
PMID: 31052970
Opt Express. 2019 Apr 15;27(8):11236-11251. doi: 10.1364/OE.27.011236.

Two simple and high-efficiency techniques for measuring the orbital angular momentum (OAM) of paraxial laser beams are proposed and studied numerically and experimentally. One technique relies on measuring the intensity in the Fresnel zone, followed by calculating the intensity...

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Kotlyar VV, Kovalev AA, Porfirev AP. Calculation of fractional orbital angular momentum of superpositions of optical vortices by intensity moments. Opt Express. 2019;27(8):11236-11251doi: 10.1364/OE.27.011236.
Kotlyar, V. V., Kovalev, A. A., & Porfirev, A. P. (2019). Calculation of fractional orbital angular momentum of superpositions of optical vortices by intensity moments. Optics express, 27(8), 11236-11251. https://doi.org/10.1364/OE.27.011236
Kotlyar, Victor V, et al. "Calculation of fractional orbital angular momentum of superpositions of optical vortices by intensity moments." Optics express vol. 27,8 (2019): 11236-11251. doi: https://doi.org/10.1364/OE.27.011236
Kotlyar VV, Kovalev AA, Porfirev AP. Calculation of fractional orbital angular momentum of superpositions of optical vortices by intensity moments. Opt Express. 2019 Apr 15;27(8):11236-11251. doi: 10.1364/OE.27.011236. PMID: 31052970.
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Showing 1 to 12 of 130 entries