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Showing 25 to 36 of 51 entries
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Quasi-transverse ultrasound absorption due to point defects and anharmonic scattering processes in cubic crystals with positive and negative anisotropies of the second-order elastic moduli.

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

Kuleyev IG, Kuleyev II, Arapova IY.
PMID: 22049115
J Phys Condens Matter. 2007 Oct 10;19(40):406216. doi: 10.1088/0953-8984/19/40/406216. Epub 2007 Sep 12.

The quasi-transverse ultrasound absorption in cubic crystals with positive and negative anisotropies of the second-order elastic moduli is analyzed. The scattering of the ultrasound by point defects and during anharmonic scattering processes is considered. The quasi-transverse ultrasound absorption is...

Proximity effects and exchange bias in Co/MnF2(111) heterostructures studied by x-ray magnetic circular dichroism.

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

Suturin SM, Fedorov VV, Banshchikov AG, Baranov DA, Koshmak KV, Torelli P, Fujii J, Panaccione G, Amemiya K, Sakamaki M, Nakamura T, Tabuchi M, Pasquali L, Sokolov NS.
PMID: 23238356
J Phys Condens Matter. 2013 Jan 30;25(4):046002. doi: 10.1088/0953-8984/25/4/046002. Epub 2012 Dec 13.

Cobalt nano-structured ultrathin films were grown on orthorhombic MnF(2) by molecular beam epitaxy on CaF(2) epitaxial layers deposited on Si(111) substrates. The Co film was grown at room temperature. It was found to be polycrystalline, forming nano-islands with height≈diameter≤10...

Detailed insight into the hydrogen bonding interactions in acetone-methanol mixtures. A molecular dynamics simulation and Voronoi polyhedra analysis study.

Physical chemistry chemical physics : PCCP

Idrissi A, Polok K, Gadomski W, Vyalov I, Agapov A, Kiselev M, Barj M, Jedlovszky P.
PMID: 22446731
Phys Chem Chem Phys. 2012 May 07;14(17):5979-87. doi: 10.1039/c2cp24101c. Epub 2012 Mar 23.

Voronoi polyhedra (VP) analysis of mixtures of acetone and methanol is reported on the basis of molecular dynamics computer simulations, performed at 300 K and 1 bar. The composition of the systems investigated covers the entire range from neat...

Metabolic changes associated with methionine stress sensitivity in MDA-MB-468 breast cancer cells.

Cancer & metabolism

Borrego SL, Fahrmann J, Datta R, Stringari C, Grapov D, Zeller M, Chen Y, Wang P, Baldi P, Gratton E, Fiehn O, Kaiser P.
PMID: 27141305
Cancer Metab. 2016 May 02;4:9. doi: 10.1186/s40170-016-0148-6. eCollection 2016.

BACKGROUND: The majority of cancer cells have a unique metabolic requirement for methionine that is not observed in normal, non-tumorigenic cells. This phenotype is described as "methionine dependence" or "methionine stress sensitivity" in which cancer cells are unable to...

MetaMapR: pathway independent metabolomic network analysis incorporating unknowns.

Bioinformatics (Oxford, England)

Grapov D, Wanichthanarak K, Fiehn O.
PMID: 25847005
Bioinformatics. 2015 Aug 15;31(16):2757-60. doi: 10.1093/bioinformatics/btv194. Epub 2015 Apr 05.

UNLABELLED: Metabolic network mapping is a widely used approach for integration of metabolomic experimental results with biological domain knowledge. However, current approaches can be limited by biochemical domain or pathway knowledge which results in sparse disconnected graphs for real...

Tuning Sodium Interfacial Chemistry with Mixed-Anion Ionic Liquid Electrolytes.

ACS applied materials & interfaces

Forsyth M, Hilder M, Zhang Y, Chen F, Carre L, Rakov DA, Armand M, Macfarlane DR, Pozo-Gonzalo C, Howlett PC.
PMID: 31701752
ACS Appl Mater Interfaces. 2019 Nov 20;11(46):43093-43106. doi: 10.1021/acsami.9b12913. Epub 2019 Nov 08.

The interphase layer that forms on either the anode or the cathode is considered to be one of the critical components of a high performing battery. This solid-electrolyte interphase (SEI) layer determines the stability of the electrode in the...

Enhanced Carbon Nanotubes Growth Using Nickel/Ferrocene-Hybridized Catalyst.

ACS omega

Lim YD, Avramchuck AV, Grapov D, Tan CW, Tay BK, Aditya S, Labunov V.
PMID: 31457855
ACS Omega. 2017 Sep 21;2(9):6063-6071. doi: 10.1021/acsomega.7b00858. eCollection 2017 Sep 30.

Tall, crystalline carbon nanotubes (CNTs) are desired to successfully integrate them in various applications. As the crystallinity of CNTs improves with increasing growth temperatures, higher growth temperatures are required to obtain crystalline CNTs. However, in a typical chemical vapor...

[Left ventricular remodeling in patients in patients with thyrotoxicosis].

Problemy endokrinologii

Aripov MA, Sviridenko NY, Tugeeva EF, Buziashvili YI.
PMID: 31569836
Probl Endokrinol (Mosk). 2009 Aug 15;55(4):11-15. doi: 10.14341/probl200955411-15.

The aim of this paper was to investigate cardiac remodelling in thyrotoxicosis. The geometric parameters of the left ventricle (LV) and the readings of tissue Doppler echocardiography were compared in 27 patients (mean age 53.3±9.2 years) who had first-diagnosed...

[Early and late results of neurosurgical treatment with Itsenko-Cushing disease].

Problemy endokrinologii

Marova YI, Arapova SD, Trunin YK, Kolesnikova GS.
PMID: 31627638
Probl Endokrinol (Mosk). 2006 Aug 15;52(4):16-21. doi: 10.14341/probl200652416-21.

То study the efficiency of neurosurgical treatment of the Itsenko-Cushing disease (1CD), the authors analyzed the early and late results of adenomectomy in 99 patients (90 females and 9 males) with ICD. The diagnosis of ICD was verified on...

Coexistence of three types of sodium motion in double molybdate Na.

Physical chemistry chemical physics : PCCP

Buzlukov AL, Arapova IY, Baklanova YV, Medvedeva NI, Denisova TA, Savina AA, Lazoryak BI, Khaikina EG, Bardet M.
PMID: 31793960
Phys Chem Chem Phys. 2019 Dec 18;22(1):144-154. doi: 10.1039/c9cp05249f.

The rechargeable Na-ion batteries attract much attention as an alternative to the widely used but expensive Li-ion batteries. The search for materials with high sodium diffusion is important for the development of solid state electrolytes. We present the results...

Insulin induces a shift in lipid and primary carbon metabolites in a model of fasting-induced insulin resistance.

Metabolomics : Official journal of the Metabolomic Society

Olmstead KI, La Frano MR, Fahrmann J, Grapov D, Viscarra JA, Newman JW, Fiehn O, Crocker DE, Filipp FV, Ortiz RM.
PMID: 28757815
Metabolomics. 2017 May;13(5). doi: 10.1007/s11306-017-1186-y. Epub 2017 Mar 27.

INTRODUCTION: Prolonged fasting in northern elephant seals (NES) is characterized by a reliance on lipid metabolism, conservation of protein, and reduced plasma insulin. During early fasting, glucose infusion previously reduced plasma free fatty acids (FFA); however, during late-fasting, it...

Architectural layer-by-layer assembly of drug nanocapsules with PEGylated polyelectrolytes.

Soft matter

Shutava TG, Pattekari PP, Arapov KA, Torchilin VP, Lvov YM.
PMID: 23144650
Soft Matter. 2012 Jan 01;8(36):9418-9427. doi: 10.1039/C2SM25683E. Epub 2012 Jun 25.

150-200 nm diameter capsules containing 60-70 wt % of poorly soluble drugs, paclitaxel and camptothecin, were produced by layer-by-layer (LbL) assembly on drug nanocores in a solution containing uncharged stabilizers. Optimization of capsule shell architecture and thickness allowed for...

Showing 25 to 36 of 51 entries