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Showing 25 to 36 of 1037 entries
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Concurrent Spigelian hernia and falciform ligament hernia in a 67-year-old female.

International journal of surgery case reports

Griffin AS, Schaefer NR, Jeyarajan E, Cross T.
PMID: 26083483
Int J Surg Case Rep. 2015;13:27-9. doi: 10.1016/j.ijscr.2015.05.035. Epub 2015 Jun 06.

INTRODUCTION: Internal abdominal hernias account for 1% of all hernias but 5.8% of all bowel obstructions and hence are of significant clinical importance. Similarly Spigelian hernias account for only 0.12-2% of all abdominal wall hernias.CASE PRESENTATION: We present and...

Composite band-gap solitons in nonlinear optically induced lattices.

Physical review letters

Desyatnikov AS, Ostrovskaya EA, Kivshar YS, Denz C.
PMID: 14611467
Phys Rev Lett. 2003 Oct 10;91(15):153902. doi: 10.1103/PhysRevLett.91.153902. Epub 2003 Oct 08.

We introduce novel optical solitons that consist of a periodic and a spatially localized component coupled nonlinearly via cross-phase modulation. The spatially localized optical field can be treated as a gap soliton supported by the optically induced nonlinear grating....

Chiral phosphites derived from carboranes: electronic effect in catalytic asymmetric hydrogenation.

Chirality

Lyubimov SE, Kalinin VN, Tyutyunov AA, Olshevskaya VA, Dutikova YV, Cheong CS, Petrovskii PV, Safronov AS, Davankov VA.
PMID: 18506834
Chirality. 2009 Jan;21(1):2-5. doi: 10.1002/chir.20565.

A series of new fine-tunable monodentate phosphite and phosphoramidite ligands based on carboranes have been synthesized and used for asymmetric Rh-catalyzed hydrogenation of prochiral olefins with the result of up to 99.8% ee. Dependence of the enantioselectivity on the...

Isolation of Arteannuic Acid from Artemisia annua.

Planta medica

Roth RJ, Acton N.
PMID: 17269081
Planta Med. 1987 Oct;53(5):501-2. doi: 10.1055/s-2006-962787.

No abstract available.

Synthesis of 1-aryl-1H-indazoles via palladium-catalyzed intramolecular amination of aryl halides.

The Journal of organic chemistry

Lebedev AY, Khartulyari AS, Voskoboynikov AZ.
PMID: 15651807
J Org Chem. 2005 Jan 21;70(2):596-602. doi: 10.1021/jo048671t.

Palladium-catalyzed cyclization of arylhydrazones of 2-bromoaldehydes and 2-bromoacetophenones to give 1-aryl-1H-indazoles has been studied in detail. The cyclization of arylhydrazone of 2-bromobenzaldehydes can be performed with good to high yields using Pd(dba)2 and chelating phosphines, of which the most...

The yohkoh mission for high-energy solar physics.

Science (New York, N.Y.)

Acton L, Bruner M, Lemen J, Tsuneta S, Ogawara Y, Nishimura J, Bentley R, Culhane L, Canfield R, Hudson H, Doschek G, Hiei E, Hirayama T, Kosugi T, Watanabe T, Lang J, Makishima K, Uchida Y.
PMID: 17748896
Science. 1992 Oct 23;258(5082):618-25. doi: 10.1126/science.258.5082.618.

The Japanese Yohkoh satellite is now in orbit observing the sun with a set of x-ray imagers and x-ray and gamma-ray spectrometers. The data from this successful mission provide new information on solar flares and the sun's corona. This...

Self-assembly of patchy particles into diamond structures through molecular mimicry.

Langmuir : the ACS journal of surfaces and colloids

Zhang Z, Keys AS, Chen T, Glotzer SC.
PMID: 16316077
Langmuir. 2005 Dec 06;21(25):11547-51. doi: 10.1021/la0513611.

Fabrication of diamond structures by self-assembly is a fundamental challenge in making three-dimensional photonic crystals. We simulate a system of model hard particles with attractive patches and show that they can self-assemble into a diamond structure from an initially...

Dynamics of optical spin-orbit coupling in uniaxial crystals.

Optics letters

Brasselet E, Izdebskaya Y, Shvedov V, Desyatnikov AS, Krolikowski W, Kivshar YS.
PMID: 19340206
Opt Lett. 2009 Apr 01;34(7):1021-3. doi: 10.1364/ol.34.001021.

We study theoretically and verify experimentally the detailed dynamics of spin-to-orbital angular momentum conversion for a circularly polarized Gaussian beam propagating along the optical axis of a uniaxial crystal. We extend the results to the case of white-light beams...

Azimuthons in nonlocal nonlinear media.

Optics express

Lopez-Aguayo S, Desyatnikov AS, Kivshar YS.
PMID: 19529158
Opt Express. 2006 Aug 21;14(17):7903-8. doi: 10.1364/oe.14.007903.

We demonstrate that spatial nonlocal response provides an effective physical mechanism for stabilization of recently introduced azimuthally modulated self-trapped rotating singular optical beams or azimuthons [see A. S. Desyatnikov, A. A. Sukhorukov, and Yu. S. Kivshar, Phys. Rev. Lett....

Bladder cancer: Predicting response to BCG.

Nature reviews. Urology

Payton S.
PMID: 21670751
Nat Rev Urol. 2011 Jun 14;8(7):355. doi: 10.1038/nrurol.2011.82.

No abstract available.

How do quasicrystals grow?.

Physical review letters

Keys AS, Glotzer SC.
PMID: 18233381
Phys Rev Lett. 2007 Dec 07;99(23):235503. doi: 10.1103/PhysRevLett.99.235503. Epub 2007 Dec 06.

Using molecular simulations, we show that the aperiodic growth of quasicrystals is controlled by the ability of the growing quasicrystal nucleus to incorporate kinetically trapped atoms into the solid phase with minimal rearrangement. In the system under investigation, which...

Spiraling multivortex solitons in nonlocal nonlinear media.

Optics letters

Buccoliero D, Desyatnikov AS, Krolikowski W, Kivshar YS.
PMID: 18197238
Opt Lett. 2008 Jan 15;33(2):198-200. doi: 10.1364/ol.33.000198.

We demonstrate the existence of a broad class of higher-order rotating spatial solitons in nonlocal nonlinear media. We employ the generalized Hermite-Laguerre-Gaussian ansatz for constructing multivortex soliton solutions and study numerically their dynamics and stability. We discuss in detail...

Showing 25 to 36 of 1037 entries