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Showing 1 to 12 of 78 entries
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[Cognitive impairments in depression: neuropsychological and MRI-studies].

Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova

Wasserman LI, Ivanov MV, Ananjeva NI, Sorokina AV, Ezhova RV, Ershov BB, Chuykova AV.
PMID: 25909801
Zh Nevrol Psikhiatr Im S S Korsakova. 2015;115(1):13-19. doi: 10.17116/jnevro20151151213-19.

OBJECTIVE: A complex neuropsychological and neuroimaging study of deep brain structures in depression with cognitive impairment.MATERIAL AND METHODS: We studied 73 patients with endogenous depression and 86 patients with depressive syndrome in temporal epilepsy. MRI and neuropsychological methods were...

Coherent octave-spanning mid-infrared supercontinuum generated in As2S3-silica double-nanospike waveguide pumped by femtosecond Cr:ZnS laser.

Optics express

Xie S, Tolstik N, Travers JC, Sorokin E, Caillaud C, Troles J, Russell PS, Sorokina IT.
PMID: 27410155
Opt Express. 2016 May 30;24(11):12406-13. doi: 10.1364/OE.24.012406.

A more than 1.5 octave-spanning mid-infrared supercontinuum (1.2 to 3.6 μm) is generated by pumping a As2S3-silica "double-nanospike" waveguide via a femtosecond Cr:ZnS laser at 2.35 μm. The combination of the optimized group velocity dispersion and extremely high nonlinearity...

Broadly tunable compact continuous-wave Cr(2+):ZnS laser.

Optics letters

Sorokina IT, Sorokin E, Mirov S, Fedorov V, Badikov V, Panyutin V, Schaffers KI.
PMID: 18026358
Opt Lett. 2002 Jun 15;27(12):1040-2. doi: 10.1364/ol.27.001040.

We report the development of a continuous-wave, room-temperature Cr(2+) ZnS laser that is compact and tunable over 700 nm. The laser is pumped by a diode-pumped Er-fiber laser and generates 0.7 W of linearly polarized radiation at 2.35microm ,...

Supercontinua for high-resolution absorption multiplex infrared spectroscopy.

Optics letters

Mandon J, Sorokin E, Sorokina IT, Guelachvili G, Picqué N.
PMID: 18246156
Opt Lett. 2008 Feb 01;33(3):285-7. doi: 10.1364/ol.33.000285.

Supercontinua generated in highly nonlinear fibers by ultrashort-pulse lasers can be used for high-resolution Fourier transform absorption spectroscopy. The practical advantages of these bright ultrabroadband light sources for spectroscopy in the near-infrared region are reported. A Cr(4+):YAG femtosecond laser...

[Life quality as an additional criterion to evaluate efficacy of treating vibration disease patients].

Meditsina truda i promyshlennaia ekologiia

Liubchenko PN, Sorokina EV, Dmitruk LI, Ian'shina EN, Shumskaia OV.
PMID: 20853623
Med Tr Prom Ekol. 2010;(7):9-11.

Studies covered as an additional criterion to evaluate efficiency of treating vibration disease patients. Studies covered life quality in 40 males having vibration disease during the treatment course. Before the treatment, all the examinees demonstrated decrease in all life...

Prismless passively mode-locked femtosecond Cr:LiSGaF laser.

Optics letters

Sorokina IT, Sorokin E, Wintner E, Cassanho A, Jenssen HP, Szipöcs R.
PMID: 19876287
Opt Lett. 1996 Aug 01;21(15):1165-7. doi: 10.1364/ol.21.001165.

A Kerr-lens mode-locked Cr:LiSrGaF laser containing no intracavity prisms has been demonstrated for the first time to the authors' knowledge. The laser produced stable near-transform-limited 44-fs pulses with an output power of 200 mW, tunable between 833 and 857...

3-Methyl-1,2,3,4,5,6,1',2',3',4'-deca-hydro-spiro-[benz[f]isoquinoline-1,2'-naphthalen]-1'-one.

Acta crystallographica. Section E, Structure reports online

Siaka S, Soldatenkov AT, Malkova AV, Sorokina EA, Khrustalev VN.
PMID: 23284532
Acta Crystallogr Sect E Struct Rep Online. 2012 Nov 01;68:o3230. doi: 10.1107/S1600536812043309. Epub 2012 Oct 27.

The title compound, C(23)H(23)NO, is the product of a tandem transformation of the double Mannich base bis-(1-oxo-1,2,3,4-tertrahydro-2-naphtho-ylmeth-yl)amine hydro-chloride in HBr solution upon heating. The tetra-hydro-pyridine ring has a non-symmetrical half-chair conformation, whereas the cyclo-hexa-diene and cyclo-hexene rings adopt non-symmetrical...

Graphene mode-locked Cr:ZnS laser with 41 fs pulse duration.

Optics express

Tolstik N, Sorokin E, Sorokina IT.
PMID: 24663897
Opt Express. 2014 Mar 10;22(5):5564-71. doi: 10.1364/OE.22.005564.

We report the ultrashort-pulse Cr:ZnS laser mode-locked by graphene-based saturable absorber mirror. Using the combination of bulk material and a chirped mirror, we demonstrate the shortest reported so far mid-IR pulses of only 5.1 optical cycles (41 fs) centered...

Efficient half-harmonic generation of three-optical-cycle mid-IR frequency comb around 4 µm using OP-GaP.

Optics express

Sorokin E, Marandi A, Schunemann PG, Fejer MM, Byer RL, Sorokina IT.
PMID: 29715941
Opt Express. 2018 Apr 16;26(8):9963-9971. doi: 10.1364/OE.26.009963.

We report a broadband mid-infrared frequency comb with three-optical-cycle pulse duration centered around 4.2 µm, via half-harmonic generation using orientation-patterned GaP (OP-GaP) with ~43% conversion efficiency. We experimentally compare performance of GaP with GaAs and lithium niobate as the...

Investigation of compound formation sequence in Al/Ni/…/Al/Ni multilayer system under conditions of an excessive amount of one component and its prediction using the analogy with gas system behavior.

Heliyon

Sorokina LI, Lebedev EA, Trifonov AY, Gromov DG.
PMID: 30891513
Heliyon. 2019 Feb 28;5(2):e01267. doi: 10.1016/j.heliyon.2019.e01267. eCollection 2019 Feb.

Interaction processes in Al/Ni/.../Al/Ni multilayer systems with an excess of one of the components are studied by of DSC, XRD and TEM methods. It is shown that the compounds formation sequence differs depending on which component is excessive. There...

[Legislative framework and legal regulation of dental care organization to patients with infectious diseases].

Stomatologiia

Losev FF, Vagner VD, Sorokina AA.
PMID: 31089111
Stomatologiia (Mosk). 2019;98(2):4-7. doi: 10.17116/stomat2019980214.

The existing normative legal framework does not fully correspond to modern requirements for the organization and delivering dental care for adult population with various infectious diseases. The authors basing on the analysis of regulatory guidelines consider that in order...

Ultrafast Synthesis of High Entropy Oxide Nanoparticles by Flame Spray Pyrolysis.

Langmuir : the ACS journal of surfaces and colloids

Phakatkar AH, Saray MT, Rasul MG, Sorokina LV, Ritter TG, Shokuhfar T, Shahbazian-Yassar R.
PMID: 34279100
Langmuir. 2021 Aug 03;37(30):9059-9068. doi: 10.1021/acs.langmuir.1c01105. Epub 2021 Jul 19.

The synthesis of high entropy oxide (HEO) nanoparticles (NPs) possesses many challenges in terms of process complexity and cost, scalability, tailoring nanoparticle morphology, and rapid synthesis. Herein, we report the synthesis of novel single-phase solid solution (Mn, Fe, Ni,...

Showing 1 to 12 of 78 entries