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Showing 1 to 12 of 247 entries
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Exploratory visualization of surgical training databases for improving skill acquisition.

IEEE computer graphics and applications

Schroeder D, Kowalewski T, White L, Carlis J, Santos E, Sweet R, Lendvay TS, Reihsen T, Keefe DF.
PMID: 24807311
IEEE Comput Graph Appl. 2012 Nov-Dec;32(6):71-81. doi: 10.1109/MCG.2012.67.

A new visualization system analyzes multidimensional surgical performance databases of information collected via emerging surgical robot and simulator technologies. In particular, it has visualized force, position, rotation, and synchronized video data from 300 bimanual laparoscopic surgery tasks performed by...

cis-Tetracarbonylbis(tricyclohexylphosphine)molybdenum(0) and pentacarbonyl(tricyclohexylphosphine)molybdenum(0).

Acta crystallographica. Section C, Crystal structure communications

Cortes-Figueroa JE, Leon-Velazquez MS, Ramos J, Jasinski JP, Keene DA, Zubkowski JD, Valente EJ.
PMID: 11118979
Acta Crystallogr C. 2000 Dec;56:1435-7. doi: 10.1107/s0108270100013111.

In the present redetermination of the complex cis-tetracarbonylbis(tricyclohexylphosphine)molybdenum(0), (I), [Mo(C(18)H(33)P)(2)(CO)(4)] or cis-eta(1)-[P(C(6)H(11))(3)](2)Mo(CO)(4), the Mo atom has a distorted octahedral geometry with a large P-Mo-P angle of 104.8 (1) degrees. A strong trans influence on the carbonyls in (I) is...

Effect of Delocalization and Rigidity in the Acceptor Ligand on MLCT Excited-State Decay.

Inorganic chemistry

Treadway JA, Loeb B, Lopez R, Anderson PA, Keene FR, Meyer TJ.
PMID: 11666419
Inorg Chem. 1996 Apr 10;35(8):2242-2246. doi: 10.1021/ic950961s.

In its most simple form, the energy gap law for excited-state nonradiative decay predicts a linear dependence of ln k(nr) on the ground- to excited-state energy gap, where k(nr) is the rate constant for nonradiative decay. At this level...

Protonation studies of reduced ruthenium(II) complexes with polypyridyl ligands.

Inorganic chemistry

Anderson PA, Anderson RF, Furue M, Junk PC, Keene FR, Patterson BT, Yeomans BD.
PMID: 11232806
Inorg Chem. 2000 Jun 26;39(13):2721-8. doi: 10.1021/ic991070d.

The pKa values associated with protonation of the one-electron reduced forms of series of [L'2Ru(II)L]2+ complexes [L' = bidentate polypyridyl ligand; L = bidentate polypyridyl ligand with additional uncoordinated N atoms in the aromatic ring system: e.g., dpp =...

Cystic fibrosis of the pancreas.

The Journal of the Oklahoma State Medical Association

RILEY HD, ROANE J, SIMON JL, KAY JL, TAYBI H, KIRKMAN HN, KEELE DK, BRACKEN EC, CAYLER GG, JACQUES W.
PMID: 14037508
J Okla State Med Assoc. 1962 May;55:191-201.

No abstract available.

Elucidating chemical and morphological changes in tetrachloroauric solutions induced by X-ray photochemical reaction.

The journal of physical chemistry. A

Ma Q, Divan R, Mancini DC, Keane DT.
PMID: 18433112
J Phys Chem A. 2008 May 22;112(20):4568-72. doi: 10.1021/jp7104852.

Chemical and morphological changes induced by an X-ray photochemical reaction in tetrachloroauric solutions leading to Au(3+)-to-Au(0) reduction are monitored in real time by X-ray absorption spectroscopy and X-ray small angle scattering. Prior to metal precipitation, the intermediate state, also...

Influence of anions on intervalence charge transfer (IVCT) in mixed-valence dinuclear complexes.

The journal of physical chemistry. B

Fellows EA, Keene FR.
PMID: 17388473
J Phys Chem B. 2007 Jun 21;111(24):6667-75. doi: 10.1021/jp068203i. Epub 2007 Mar 08.

Spectroelectrochemical studies of the intervalence charge transfer (IVCT) characteristics of both diastereoisomeric forms of the dinuclear complex [{Ru(bpy)2}2(mu-dpi-)]n+ [bpy=2,2'-bipyridine; dpi-=4,5-di(2-pyridyl)imidazolate] showed that the degree of inter-metal electronic coupling (or valence delocalization) is dependent on stereochemical identity. Increasing the relative...

Emittance characterization of a hot-cavity laser ion source at Holifield Radioactive Ion Beam Facility.

The Review of scientific instruments

Liu Y, Baktash C, Beene JR, Geppert Ch, Gottwald T, Havener CC, Kessler T, Krause HF, Schultz DR, Stracener DW, Vane CR, Wies K, Wendt K.
PMID: 19725648
Rev Sci Instrum. 2009 Aug;80(8):083304. doi: 10.1063/1.3184343.

The first investigation of the transverse emittance of a hot-cavity laser ion source based on all-solid-state Ti:sapphire lasers is presented. The emittances of (63)Cu ion beams generated by three-photon resonant ionization are measured and compared with that of the...

Interactive slice WIM: navigating and interrogating volume data sets using a multisurface, multitouch VR interface.

IEEE transactions on visualization and computer graphics

Coffey D, Malbraaten N, Le TB, Borazjani I, Sotiropoulos F, Erdman AG, Keefe DF.
PMID: 22144526
IEEE Trans Vis Comput Graph. 2012 Oct;18(10):1614-26. doi: 10.1109/TVCG.2011.283.

We present Interactive Slice World-in-Miniature (WIM), a framework for navigating and interrogating volumetric data sets using an interface enabled by a virtual reality environment made of two display surfaces: an interactive multitouch table, and a stereoscopic display wall. The...

Numerical study of stress tensors in Poiseuille flow of suspensions.

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

Chatterjee A, Heine DR.
PMID: 20866803
Phys Rev E Stat Nonlin Soft Matter Phys. 2010 Aug;82(2):021401. doi: 10.1103/PhysRevE.82.021401. Epub 2010 Aug 13.

In this paper, the flow of dense suspensions of monodisperse spheres in wall-bounded channels is studied using a mesoscopic numerical model based on the dissipative particle dynamics (DPD) technique. Experimental observations [for instance, L. Isa, Phys. Rev. Lett. 98,...

Automatically sweeping dual-channel boxcar integrator.

The Review of scientific instruments

Keefe DJ, Patterson DR.
PMID: 18698960
Rev Sci Instrum. 1978 Oct;49(10):1388. doi: 10.1063/1.1135276.

An automatically sweeping dual-channel boxcar integrator has been developed to automate the search for a signal that repeatedly follows a trigger pulse by a constant or slowly varying time delay when that signal is completely hidden in random electrical...

Cooperative effects in homogenous water oxidation catalysis by mononuclear ruthenium complexes.

Dalton transactions (Cambridge, England : 2003)

Mulyana Y, Keene FR, Spiccia L.
PMID: 24647472
Dalton Trans. 2014 May 14;43(18):6819-27. doi: 10.1039/c4dt00629a.

The homogenous water oxidation catalysis by [Ru(terpy)(bipy)Cl](+) (1) and [Ru(terpy)(Me2bipy)Cl](+) (2) (terpy = 2,2':6',2''-terpyridine, bipy = 2,2'-bipyridine, Me2bipy = 4,4'-dimethyl-2,2'-bipyridine) under the influence of two redox mediators [Ru(bipy)3](2+) (3) and [Ru(phen)2(Me2bipy)](2+) (4) (phen = 1,10-phenanthroline) was investigated using Ce(4+)...

Showing 1 to 12 of 247 entries