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Showing 1 to 12 of 165 entries
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[Carriage of A Allele of Polymorphic Marker G(-238)A of TNF-alfa Gene Is Associated With Unfavorable Prognosis in Patients With Chronic Systolic Heart Failure].

Kardiologiia

Gerasimova ON, Sigalovich EY, Dankovtseva EN, Nakonechnikov SN, Nikitin AG, Ivanova ZV, Masenko VP, Nosikov VV, Zateyshchikov DA.
PMID: 28294921
Kardiologiia. 2015 Sep;55(9):25-30.

AIM: to elucidate association between polymorphic markers of interleukin- 6 (Il-6) and tumor necrosis factor (TNF) genes and unfavorable outcomes in patients with chronic heart failure (CHF).MATERIAL AND METHODS: We determined levels of TNF and Il-6 and genotypes of...

Infrared hyperbolic metasurface based on nanostructured van der Waals materials.

Science (New York, N.Y.)

Li P, Dolado I, Alfaro-Mozaz FJ, Casanova F, Hueso LE, Liu S, Edgar JH, Nikitin AY, Vélez S, Hillenbrand R.
PMID: 29472478
Science. 2018 Feb 23;359(6378):892-896. doi: 10.1126/science.aaq1704.

Metasurfaces with strongly anisotropic optical properties can support deep subwavelength-scale confined electromagnetic waves (polaritons), which promise opportunities for controlling light in photonic and optoelectronic applications. We developed a mid-infrared hyperbolic metasurface by nanostructuring a thin layer of hexagonal boron...

Magnetic and superconducting phase diagram of the half-Heusler topological semimetal HoPdBi.

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

Nikitin AM, Pan Y, Mao X, Jehee R, Araizi GK, Huang YK, Paulsen C, Wu SC, Yan BH, de Visser A.
PMID: 26086396
J Phys Condens Matter. 2015 Jul 15;27(27):275701. doi: 10.1088/0953-8984/27/27/275701. Epub 2015 Jun 18.

We report a study of the magnetic and electronic properties of the non-centrosymmetric half-Heusler antiferromagnet HoPdBi (TN = 2.0 K). Magnetotransport measurements show HoPdBi has a semimetallic behavior with a carrier concentration n = 3.7 × 10(18) cm(-3) extracted...

Nanoimaging of resonating hyperbolic polaritons in linear boron nitride antennas.

Nature communications

Alfaro-Mozaz FJ, Alonso-González P, Vélez S, Dolado I, Autore M, Mastel S, Casanova F, Hueso LE, Li P, Nikitin AY, Hillenbrand R.
PMID: 28589941
Nat Commun. 2017 Jun 07;8:15624. doi: 10.1038/ncomms15624.

Polaritons in layered materials-including van der Waals materials-exhibit hyperbolic dispersion and strong field confinement, which makes them highly attractive for applications including optical nanofocusing, sensing and control of spontaneous emission. Here we report a near-field study of polaritonic Fabry-Perot...

Rotational symmetry breaking in the topological superconductor SrxBi2Se3 probed by upper-critical field experiments.

Scientific reports

Pan Y, Nikitin AM, Araizi GK, Huang YK, Matsushita Y, Naka T, de Visser A.
PMID: 27350295
Sci Rep. 2016 Jun 28;6:28632. doi: 10.1038/srep28632.

Recently it was demonstrated that Sr intercalation provides a new route to induce superconductivity in the topological insulator Bi2Se3. Topological superconductors are predicted to be unconventional with an odd-parity pairing symmetry. An adequate probe to test for unconventional superconductivity...

Role of the stem cell niche in the pathogenesis of epithelial ovarian cancers.

Molecular & cellular oncology

Flesken-Nikitin A, Odai-Afotey AA, Nikitin AY.
PMID: 27308341
Mol Cell Oncol. 2014 Oct 31;1(3):e963435. doi: 10.4161/23723548.2014.963435. eCollection 2014.

Ovarian cancer is the fifth leading cause of cancer-related deaths among women in the United States. Recent extensive genomic analyses of epithelial ovarian cancer (EOC), particularly the most common and deadly form of high-grade serous ovarian carcinoma, have provided...

Asymmetric bistable systems subject to periodic and stochastic forcing in the strongly nonlinear regime: switching time distributions.

Physical review. E, Statistical, nonlinear, and soft matter physics

Nikitin A, Stocks NG, Bulsara AR.
PMID: 12935196
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Jul;68(1):016103. doi: 10.1103/PhysRevE.68.016103. Epub 2003 Jul 11.

A detailed theoretical analysis of the dynamics of a sinusoidally driven noisy asymmetric bistable system is presented. The results are valid for any two-state system, however, the specific case of the Duffing potential is considered in detail. The dynamics...

Signal detection via residence times statistics: noise-mediated minimization of the measurement error.

Physical review. E, Statistical, nonlinear, and soft matter physics

Nikitin A, Stocks NG, Bulsara AR.
PMID: 14524858
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Sep;68(3):036133. doi: 10.1103/PhysRevE.68.036133. Epub 2003 Sep 26.

We study the problem of detecting a small dc signal by quantifying its effect on the mean difference DeltaT in residence times in the stable steady states of a bistable dynamical measurement device, in the presence of a noise...

Experimental investigation of high-mach-number 3D hydrodynamic jets at the national ignition facility.

Physical review letters

Blue BE, Weber SV, Glendinning SG, Lanier NE, Woods DT, Bono MJ, Dixit SN, Haynam CA, Holder JP, Kalantar DH, Macgowan BJ, Nikitin AJ, Rekow VV, Van Wonterghem BM, Moses EI, Stry PE, Wilde BH, Hsing WW, Robey HF.
PMID: 15783974
Phys Rev Lett. 2005 Mar 11;94(9):095005. doi: 10.1103/PhysRevLett.94.095005. Epub 2005 Mar 11.

The first hydrodynamic experiments were performed on the National Ignition Facility. A supersonic jet was formed via the interaction of a laser driven shock ( approximately 40 Mbar) with 2D and 3D density perturbations. The temporal evolution of the...

Observation of enhanced transmission for s-polarized light through a subwavelength slit.

Optics express

Guillaumée M, Nikitin AY, Klein MJ, Dunbar LA, Spassov V, Eckert R, Martín-Moreno L, García-Vidal FJ, Stanley RP.
PMID: 20588821
Opt Express. 2010 Apr 26;18(9):9722-7. doi: 10.1364/OE.18.009722.

Enhanced optical transmission (EOT) through a single aperture is usually achieved by exciting surface plasmon polaritons with periodic grooves. Surface plasmon polaritons are only excited by p-polarized incident light, i.e. with the electric field perpendicular to the direction of...

Extraordinary optical transmission through hole arrays in optically thin metal films.

Optics letters

Rodrigo SG, Martín-Moreno L, Nikitin AY, Kats AV, Spevak IS, García-Vidal FJ.
PMID: 19109621
Opt Lett. 2009 Jan 01;34(1):4-6. doi: 10.1364/ol.34.000004.

A theoretical study is presented on the optical transmission through square hole arrays drilled in optically thin films, where transmission may occur through both the holes and the metal layer. It is shown that, as the thickness of the...

Asymmetric bistable systems subject to periodic and stochastic forcing in the strongly nonlinear regime: the power spectrum.

Physical review. E, Statistical, nonlinear, and soft matter physics

Nikitin A, Stocks NG, Bulsara AR.
PMID: 17994967
Phys Rev E Stat Nonlin Soft Matter Phys. 2007 Oct;76(4):041138. doi: 10.1103/PhysRevE.76.041138. Epub 2007 Oct 30.

In this, the fourth of a series of papers [the first three papers were Phys. Rev. E 68, 016103 (2003), 68, 036133 (2003), and Phys. Lett. A 334, 12 (2005)] on the response of overdamped noisy bistable systems subject...

Showing 1 to 12 of 165 entries