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Showing 1 to 12 of 37 entries
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Evidence of interface exchange magnetism in self-assembled cobalt-fullerene nanocomposites exposed to air.

Nanotechnology

Lavrentiev V, Stupakov A, Lavrentieva I, Motylenko M, Barchuk M, Rafaja D.
PMID: 28145895
Nanotechnology. 2017 Mar 24;28(12):125704. doi: 10.1088/1361-6528/aa5d73. Epub 2017 Feb 01.

We report on the establishing of an exclusive magnetic effect in air-exposed Co

Signal of microstrip scanning near-field optical microscope in far- and near-field zones.

Applied optics

Morozov YM, Lapchuk AS.
PMID: 27140358
Appl Opt. 2016 May 01;55(13):3468-77. doi: 10.1364/AO.55.003468.

An analytical model of interference between an electromagnetic field of fundamental quasi-TM(EH)00-mode and an electromagnetic field of background radiation at the apex of a near-field probe based on an optical plasmon microstrip line (microstrip probe) has been proposed. The...

Local plasmon resonance at metal wedge.

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

Lapchuk AS, Shylo SA, Nevirkovets IP.
PMID: 18594608
J Opt Soc Am A Opt Image Sci Vis. 2008 Jul;25(7):1535-40. doi: 10.1364/josaa.25.001535.

A local plasmon resonance on a metal wedge is studied by using the Meixner approach [J. Meixner, IEEE Trans. Antennas Propag.AP-20, 442 (1972)]. It is found that the singular field behavior of a local plasmon resonance as a function...

Regulation of cll by interleukin-10 - role of antisense IL-10.

Oncology reports

Fernandes H, Barchuk W, Fernandes G, Ramachandra S, Chou C, Raveche E.
PMID: 21597839
Oncol Rep. 1995 Nov;2(6):985-9. doi: 10.3892/or.2.6.985.

The role of IL-10 on the in vitro growth of B cells from patients with B-chronic lymphocytic leukemia (CLL) was investigated. Previous work on a murine model of CLL demonstrated that the malignant B-l cells produce significantly higher levels...

Optical plasmon nanostrip probe as an effective ultrashort pulse delivery system.

Optics express

Morozov YM, Lapchuk AS, Gorbov IV, Yao SL, Le ZC.
PMID: 31052834
Opt Express. 2019 Apr 29;27(9):13031-13052. doi: 10.1364/OE.27.013031.

In this paper, we analyze the ultrafast temporal and spectral responses of optical fields in tapered and metalized optical fibers (MOFs) and optical plasmon nanostrip probes (NPs). Computational experiment shows that output pulses of the NPs are virtually unchanged...

PbMnTeO.

Dalton transactions (Cambridge, England : 2003)

Kuchugura MD, Kurbakov AI, Zvereva EA, Vasilchikova TM, Raganyan GV, Vasiliev AN, Barchuk VA, Nalbandyan VB.
PMID: 31701973
Dalton Trans. 2019 Nov 19;48(45):17070-17077. doi: 10.1039/c9dt03154e.

Antiferromagnetic PbMnTeO6, also known as mineral kuranakhite, has been reported recently to have all three cations in trigonal prismatic coordination, which is extremely unusual for both Mn(4+) and Te(6+). In this work, the phase was reproduced with the same...

Coherence properties of entangled light beams generated by parametric down-conversion: Theory and experiment.

Physical review. A, Atomic, molecular, and optical physics

Joobeur A, Larchuk TS, Saleh BE, Teich MC.
PMID: 9913410
Phys Rev A. 1996 Jun;53(6):4360-4371. doi: 10.1103/physreva.53.4360.

No abstract available.

Prevalence of Diaphragmatic Dysfunction in the Long-Term Acute Care Setting and its Effects on Ventilator Weaning Outcomes: A Retrospective Cohort Study.

American journal of physical medicine & rehabilitation

Barchuk A, Barchuk SA, Roebken CK, Ahn J.
PMID: 34446645
Am J Phys Med Rehabil. 2021 Aug 24; doi: 10.1097/PHM.0000000000001863. Epub 2021 Aug 24.

OBJECTIVE: To determine the prevalence of undiagnosed diaphragmatic dysfunction (DD) in a long term acute care hospital (LTACH) setting in patients on prolonged mechanical ventilation (PMV) and its association with weaning outcomes.DESIGN: A single-center, retrospective cohort study including 451...

Enhancement of magneto-optical effects in magnetic nanoparticles near gold-dielectric surfaces.

Applied optics

Kravets VG, Lapchuk AS.
PMID: 20830193
Appl Opt. 2010 Sep 10;49(26):5013-9. doi: 10.1364/AO.49.005013.

We report enhanced magneto-optical Kerr rotation in the layer systems of a magnetic granular film coated by uniform gold and dielectric films. The Kerr rotation spectra measured from 1.2 to 5 eV show a peak at about 2.7 eV,...

Ba3P5N10Br:Eu(2+): a natural-white-light single emitter with a zeolite structure type.

Angewandte Chemie (International ed. in English)

Marchuk A, Schnick W.
PMID: 25573329
Angew Chem Int Ed Engl. 2015 Feb 16;54(8):2383-7. doi: 10.1002/anie.201410528. Epub 2015 Jan 08.

Illumination sources based on phosphor-converted light emitting diode (pcLED) technology are nowadays of great relevance. In particular, illumination-grade pcLEDs are attracting increasing attention. Regarding this, the application of a single warm-white-emitting phosphor could be of great advantage. Herein, we...

MH4P6N12 (M = Mg, Ca): new imidonitridophosphates with an unprecedented layered network structure type.

Chemistry (Weinheim an der Bergstrasse, Germany)

Marchuk A, Celinski VR, Schmedt auf der Günne J, Schnick W.
PMID: 25727717
Chemistry. 2015 Apr 07;21(15):5836-42. doi: 10.1002/chem.201406240. Epub 2015 Feb 27.

Isotypic imidonitridophosphates MH4P6N12 (M = Mg, Ca) have been synthesized by high-pressure/high-temperature reactions at 8 GPa and 1000 °C starting from stoichiometric amounts of the respective alkaline-earth metal nitrides, P3N5, and amorphous HPN2. Both compounds form colorless transparent platelet...

Angular benzoperylenetetracarboxylic bisimides.

Chemistry (Weinheim an der Bergstrasse, Germany)

Langhals H, Böck B, Schmid T, Marchuk A.
PMID: 22961745
Chemistry. 2012 Oct 08;18(41):13188-94. doi: 10.1002/chem.201103221. Epub 2012 Sep 07.

Benzoperylene derivatives with two angularly attached dicarboxylic imide rings, which were prepared by the Diels-Alder-reaction, exhibit strong fluorescence and their free peri positions allow either control of the UV/Vis spectra through their substituents or form anchor positions for the...

Showing 1 to 12 of 37 entries