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Showing 1 to 12 of 625 entries
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Impact of interface roughness distributions on the operation of quantum cascade lasers.

Optics express

Franckié M, Winge DO, Wolf J, Liverini V, Dupont E, Trinité V, Faist J, Wacker A.
PMID: 25836553
Opt Express. 2015 Feb 23;23(4):5201-12. doi: 10.1364/OE.23.005201.

We study the impact of interface roughness on the operation of mid-IR and THz quantum cascade lasers. Particular emphasis is given towards the differences between the Gaussian and exponential roughness distribution functions, for which we present results from simulation...

Impact of expansion and redifferentiation under hypothermia on chondrogenic capacity of cultured human septal chondrocytes.

Journal of tissue engineering

von Bomhard A, Faust J, Elsaesser AF, Schwarz S, Pippich K, Rotter N.
PMID: 29051809
J Tissue Eng. 2017 Oct 06;8:2041731417732655. doi: 10.1177/2041731417732655. eCollection 2017.

A critical limitation in the cultivation of cartilage for tissue engineering is the dedifferentiation in chondrocytes, mainly during in vitro amplification. Despite many previous studies investigating the influence of various conditions, no data exist concerning the effects of hypothermia....

Plasmon-enhanced waveguide for dispersion compensation in mid-infrared quantum cascade laser frequency combs.

Optics letters

Bidaux Y, Sergachev I, Wuester W, Maulini R, Gresch T, Bismuto A, Blaser S, Muller A, Faist J.
PMID: 28409809
Opt Lett. 2017 Apr 15;42(8):1604-1607. doi: 10.1364/OL.42.001604.

We demonstrate dispersion compensation in mid-infrared quantum cascade laser frequency combs (FCs) emitting at 7.8 μm using the coupling of a dielectric waveguide to a plasmonic resonance in the top cladding layer of the latter. Devices with group velocity...

Ballistic Evaporation and Solvation of Helium Atoms at the Surfaces of Protic and Hydrocarbon Liquids.

The journal of physical chemistry letters

Johnson AM, Lancaster DK, Faust JA, Hahn C, Reznickova A, Nathanson GM.
PMID: 26278769
J Phys Chem Lett. 2014 Nov 06;5(21):3914-8. doi: 10.1021/jz501987r. Epub 2014 Oct 27.

Atomic and molecular solutes evaporate and dissolve by traversing an atomically thin boundary separating liquid and gas. Most solutes spend only short times in this interfacial region, making them difficult to observe. Experiments that monitor the velocities of evaporating...

Super-Maxwellian helium evaporation from pure and salty water.

The Journal of chemical physics

Hahn C, Kann ZR, Faust JA, Skinner JL, Nathanson GM.
PMID: 26827228
J Chem Phys. 2016 Jan 28;144(4):044707. doi: 10.1063/1.4940144.

Helium atoms evaporate from pure water and salty solutions in super-Maxwellian speed distributions, as observed experimentally and modeled theoretically. The experiments are performed by monitoring the velocities of dissolved He atoms that evaporate from microjets of pure water at...

Critical tipping point distinguishing two types of transitions in modular network structures.

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

Shai S, Kenett DY, Kenett YN, Faust M, Dobson S, Havlin S.
PMID: 26764742
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Dec;92(6):062805. doi: 10.1103/PhysRevE.92.062805. Epub 2015 Dec 02.

Modularity is a key organizing principle in real-world large-scale complex networks. The relatively sparse interactions between modules are critical to the functionality of the system and are often the first to fail. We model such failures as site percolation...

Investigating the structure of semantic networks in low and high creative persons.

Frontiers in human neuroscience

Kenett YN, Anaki D, Faust M.
PMID: 24959129
Front Hum Neurosci. 2014 Jun 10;8:407. doi: 10.3389/fnhum.2014.00407. eCollection 2014.

According to Mednick's (1962) theory of individual differences in creativity, creative individuals appear to have a richer and more flexible associative network than less creative individuals. Thus, creative individuals are characterized by "flat" (broader associations) instead of "steep" (few,...

The integration of social media into residency curriculum has obstacles.

Annals of emergency medicine

Faust JS, Shah KH.
PMID: 25529161
Ann Emerg Med. 2015 Jan;65(1):125. doi: 10.1016/j.annemergmed.2014.08.047.

No abstract available.

Two-Dimensional Assembling of (2,2'-Bipyrimidine)bis(oxalato)chromate(III) Units through Alkaline Cations.

Inorganic chemistry

De Munno G, Armentano D, Julve M, Lloret F, Lescouëzec R, Faus J.
PMID: 11671014
Inorg Chem. 1999 May 03;38(9):2234-2237. doi: 10.1021/ic981232q.

No abstract available.

Ferromagnetic Coupling through Spin Polarization in a Dinuclear Copper(II) Metallacyclophane.

Angewandte Chemie (International ed. in English)

Fernández I, Ruiz R, Faus J, Julve M, Lloret F, Cano J, Ottenwaelder X, Journaux Y, Muñoz MC.
PMID: 12203642
Angew Chem Int Ed Engl. 2001;40(16):3039-42. doi: 10.1002/1521-3773(20010817)40:16<3039::AID-ANIE3039>3.0.CO;2-P.

First organic radicals, now metal complexes: A successful extension to metal complexes of a well-known organic radical approach to ferromagnetism is exemplified by the triplet ground-state molecule containing two Cu(II) centers connected by a double m-phenylenediamide skeleton of the...

Continuous wave operation of a mid-infrared semiconductor laser at room temperature.

Science (New York, N.Y.)

Beck M, Hofstetter D, Aellen T, Faist J, Oesterle U, Ilegems M, Gini E, Melchior H.
PMID: 11786637
Science. 2002 Jan 11;295(5553):301-5. doi: 10.1126/science.1066408. Epub 2001 Dec 20.

Continuous wave operation of quantum cascade lasers is reported up to a temperature of 312 kelvin. The devices were fabricated as buried heterostructure lasers with high-reflection coatings on both laser facets, resulting in continuous wave operation with optical output...

[Diagnostic imaging in liver cirrhosis].

Der Radiologe

Hammerstingl RM, Schwarz WV, Schmitt E, Faust D, Dietrich C, Zeuzem S, Vogl TJ.
PMID: 11715576
Radiologe. 2001 Oct;41(10):852-67. doi: 10.1007/s001170170056.

For the diagnosis of liver cirrhosis ultrasound, computed tomography, magnetic resonance imaging, and angiography are recommended as imaging modalities. Ultrasound of the liver is used as a screening imaging tool in cases of patients suspicious for diffuse liver disease...

Showing 1 to 12 of 625 entries