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Showing 25 to 36 of 334 entries
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High-power 200 fs Kerr-lens mode-locked Yb:YAG thin-disk oscillator.

Optics letters

Pronin O, Brons J, Grasse C, Pervak V, Boehm G, Amann MC, Kalashnikov VL, Apolonski A, Krausz F.
PMID: 22179870
Opt Lett. 2011 Dec 15;36(24):4746-8. doi: 10.1364/OL.36.004746.

We demonstrate a power-scalable Kerr-lens mode-locked Yb:YAG thin-disk oscillator. It delivers 200 fs pulses at an average power of 17 W and a repetition rate of 40 MHz. At an increased (180 W) pump power level, the laser produces...

Structure and local reactivity of PdAg/Pd(111) surface alloys.

Physical chemistry chemical physics : PCCP

Mancera LA, Behm RJ, Gross A.
PMID: 23235737
Phys Chem Chem Phys. 2013 Feb 07;15(5):1497-508. doi: 10.1039/c2cp42914d.

Motivated by a recent detailed experimental study [Y. Ma et al., Phys. Chem. Chem. Phys., 2011, 13, 10741], the structure and local reactivity of PdAg/Pd(111) surface alloys were studied using periodic density functional theory calculations. As a probe of...

Roller-massager application to the hamstrings increases sit-and-reach range of motion within five to ten seconds without performance impairments.

International journal of sports physical therapy

Sullivan KM, Silvey DB, Button DC, Behm DG.
PMID: 23772339
Int J Sports Phys Ther. 2013 Jun;8(3):228-36.

BACKGROUND: Foam rollers are used to mimic myofascial release techniques and have been used by therapists, athletes, and the general public alike to increase range of motion (ROM) and alleviate pressure points. The roller-massager was designed to serve a...

Toward the microscopic identification of anions and cations at the ionic liquid|Ag(111) interface: a combined experimental and theoretical investigation.

ACS nano

Buchner F, Forster-Tonigold K, Uhl B, Alwast D, Wagner N, Farkhondeh H, Gross A, Behm RJ.
PMID: 23944966
ACS Nano. 2013 Sep 24;7(9):7773-84. doi: 10.1021/nn4026417. Epub 2013 Aug 19.

The interaction between an adsorbed 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, [BMP][TFSA], ionic liquid (IL) layer and a Ag(111) substrate, under ultrahigh-vacuum conditions, was investigated in a combined experimental and theoretical approach, by high-resolution scanning tunneling microscopy (STM), X-ray photoelectron spectroscopy (XPS), and...

Stability and chemisorption properties of ultrathin TiO(x)/Pt(111) films and Au/TiO(x)/Pt(111) model catalysts in reactive atmospheres.

Physical chemistry chemical physics : PCCP

Artiglia L, Diemant T, Hartmann H, Bansmann J, Behm RJ, Gavioli L, Cavaliere E, Granozzi G.
PMID: 20461242
Phys Chem Chem Phys. 2010 Jul 07;12(25):6864-74. doi: 10.1039/c000884b. Epub 2010 May 11.

The stability of three ultrathin TiO(x)/Pt(111) films with different stoichiometry and defectivity and the corresponding Au/TiO(x)/Pt(111) model catalysts in CO or a CO-O(2) (1 : 1) gas mixture up to a pressure of 100 mbar has been investigated. According...

Pt promotion and spill-over processes during deposition and desorption of upd-H(ad) and OH(ad) on Pt(x)Ru(1-x)/Ru(0001) surface alloys.

Physical chemistry chemical physics : PCCP

Hoster HE, Janik MJ, Neurock M, Behm RJ.
PMID: 20596565
Phys Chem Chem Phys. 2010 Sep 21;12(35):10388-97. doi: 10.1039/c003635h. Epub 2010 Jul 01.

The electrochemical adsorption of underpotential deposited hydrogen (upd-H(ad)) and OH(ad) on structurally well-defined Pt(x)Ru(1-x)/Ru(0001) surface alloys was investigated by cyclic voltammetry and density functional theory (DFT) calculations. The adsorption energies of both upd-H(ad) and OH(ad) decrease with increasing Pt...

Temperature-induced structural and chemical changes of ultrathin ethylene carbonate films on Cu(111).

Physical chemistry chemical physics : PCCP

Buchner F, Farkhondeh H, Bozorgchenani M, Uhl B, Behm RJ.
PMID: 24819910
Phys Chem Chem Phys. 2014 Jun 21;16(23):11191-5. doi: 10.1039/c4cp01417k.

The interaction of the Li-ion battery solvent ethylene carbonate (EC) with Cu(111) was investigated by scanning tunnelling microscopy (STM) and variable temperature X-ray photoelectron spectroscopy (XPS) under ultrahigh vacuum (UHV) conditions. Between 80 and 420 K, the decomposition of...

Instability resistance training across the exercise continuum.

Sports health

Behm DG, Colado JC, Colado JC.
PMID: 24427423
Sports Health. 2013 Nov;5(6):500-3. doi: 10.1177/1941738113477815.

CONTEXT: Instability resistance training (IRT; unstable surfaces and devices to strengthen the core or trunk muscles) is popular in fitness training facilities.OBJECTIVE: To examine contradictory IRT recommendations for health enthusiasts and rehabilitation.DATA SOURCES: A literature search was performed using...

Comparison of soluble guanylate cyclase stimulators and activators in models of cardiovascular disease associated with oxidative stress.

Frontiers in pharmacology

Costell MH, Ancellin N, Bernard RE, Zhao S, Upson JJ, Morgan LA, Maniscalco K, Olzinski AR, Ballard VL, Herry K, Grondin P, Dodic N, Mirguet O, Bouillot A, Gellibert F, Coatney RW, Lepore JJ, Jucker BM, Jolivette LJ, Willette RN, Schnackenberg CG, Behm DJ.
PMID: 22783192
Front Pharmacol. 2012 Jul 05;3:128. doi: 10.3389/fphar.2012.00128. eCollection 2012.

Soluble guanylate cyclase (sGC), the primary mediator of nitric oxide (NO) bioactivity, exists as reduced (NO-sensitive) and oxidized (NO-insensitive) forms. We tested the hypothesis that the cardiovascular protective effects of NO-insensitive sGC activation would be potentiated under conditions of...

Potential-induced surface restructuring--the need for structural characterization in electrocatalysis research.

Angewandte Chemie (International ed. in English)

Engstfeld AK, Brimaud S, Behm RJ.
PMID: 25303109
Angew Chem Int Ed Engl. 2014 Nov 17;53(47):12936-40. doi: 10.1002/anie.201404479. Epub 2014 Oct 10.

The necessity of the careful structural characterization of model electrodes before and after the electrochemical measurements for a proper mechanistic interpretation is demonstrated for a well-known electrocatalytic system, bulk CO oxidation on PtRu model electrodes. Bimetallic, Pt-monolayer-island-modified Ru(0001) electrodes,...

The influence of reactive side products in electrocatalytic reactions: methanol oxidation as case study.

Chemphyschem : a European journal of chemical physics and physical chemistry

Reichert R, Schnaidt J, Jusys Z, Behm RJ.
PMID: 24039132
Chemphyschem. 2013 Nov 11;14(16):3678-81. doi: 10.1002/cphc.201300726. Epub 2013 Aug 27.

The role and impact of follow-up processes involving reactive side products in an electrocatalytic reaction is demonstrated for the electrooxidation of methanol at a Pt electrode. By using combined in situ infrared spectroscopy and online mass spectrometry and employing...

Structure determination of an adsorbate-induced multilayer reconstruction: (1 x 2)-H/Ni(110).

Physical review letters

Behm RJ, Ertl G, Kleinle G, Moritz W, Penka V.
PMID: 10034615
Phys Rev Lett. 1987 Jan 12;58(2):148-151. doi: 10.1103/PhysRevLett.58.148.

No abstract available.

Showing 25 to 36 of 334 entries