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Showing 1 to 12 of 427 entries
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Poster - Thur Eve - 19: Risk assessment of clinical radiation processes using failure modes and effect analysis.

Medical physics

Angers C, Studinski R, La Russa D, Bahm J, Renaud J, Clark BG.
PMID: 28516709
Med Phys. 2012 Jul;39(7):4628. doi: 10.1118/1.4740127.

The aim of this work was to apply failure modes and effect analysis (FMEA) to assess risk in two radiation planning and treatment processes; our on-call (out-of-clinical hours) process and our tomotherapy process. The motivation was provided by analysis...

Characterization of subglacial Lake Vostok as seen from physical and isotope properties of accreted ice.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

Lipenkov VY, Ekaykin AA, Polyakova EV, Raynaud D.
PMID: 26667912
Philos Trans A Math Phys Eng Sci. 2016 Jan 28;374(2059). doi: 10.1098/rsta.2014.0303.

Deep drilling at the Vostok Station has reached the surface of subglacial Lake Vostok (LV) twice-in February 2012 and January 2015. As a result, three replicate cores from boreholes 5G-1, 5G-2 and 5G-3 became available for detailed and revalidation...

Cyclometalated N-heterocyclic carbene complexes of ruthenium for access to electron-rich silylene complexes that bind the Lewis acids CuOTf and AgOTf.

Journal of the American Chemical Society

Liu HJ, Raynaud C, Eisenstein O, Tilley TD.
PMID: 25050912
J Am Chem Soc. 2014 Aug 13;136(32):11473-82. doi: 10.1021/ja5054237. Epub 2014 Aug 01.

The synthesis of the cyclometalated complexes Cp*Ru(IXy-H) (2) [IXy = 1,3-bis(2,6-dimethylphenyl)imidazol-2-ylidene; IXy-H = 1-(2-CH2C6H3-6-methyl)-3-(2,6-dimethylphenyl)imidazol-2-ylidene-1-yl (the deprotonated form of IXy); Cp* = η(5)-C5Me5] and Cp*Ru(IXy-H)(N2) (3) was achieved by dehydrochlorination of Cp*Ru(IXy)Cl (1) with KCH2Ph. Complexes 2 and 3 activate...

Why so many sperm cells?.

Communicative & integrative biology

Reynaud K, Schuss Z, Rouach N, Holcman D.
PMID: 26478772
Commun Integr Biol. 2015 Jul 06;8(3):e1017156. doi: 10.1080/19420889.2015.1017156. eCollection 2015.

A key limiting step in fertility is the search for the oocyte by spermatozoa. Initially, there are tens of millions of sperm cells, but a single one will make it to the oocyte. This may be one of the...

Tree cover at fine and coarse spatial grains interacts with shade tolerance to shape plant species distributions across the Alps.

Ecography

Nieto-Lugilde D, Lenoir J, Abdulhak S, Aeschimann D, Dullinger S, Gégout JC, Guisan A, Pauli H, Renaud J, Theurillat JP, Thuiller W, Van Es J, Vittoz P, Willner W, Wohlgemuth T, Zimmermann NE, Svenning JC.
PMID: 26290621
Ecography. 2015 Jun 01;38(6):578-589. doi: 10.1111/ecog.00954.

The role of competition for light among plants has long been recognised at local scales, but its importance for plant species distributions at larger spatial scales has generally been ignored. Tree cover modifies the local abiotic conditions below the...

Elucidating the Link between NMR Chemical Shifts and Electronic Structure in d(0) Olefin Metathesis Catalysts.

Journal of the American Chemical Society

Halbert S, Copéret C, Raynaud C, Eisenstein O.
PMID: 26787258
J Am Chem Soc. 2016 Feb 24;138(7):2261-72. doi: 10.1021/jacs.5b12597. Epub 2016 Feb 09.

The nucleophilic carbon of d(0) Schrock alkylidene metathesis catalysts, [M] = CHR, display surprisingly low downfield chemical shift (δ(iso)) and large chemical shift anisotropy. State-of-the-art four-component relativistic calculations of the chemical shift tensors combined with a two-component analysis in...

Construction of a restriction-less, marker-less mutant useful for functional genomic and metabolic engineering of the biofuel producer Clostridium acetobutylicum.

Biotechnology for biofuels

Croux C, Nguyen NP, Lee J, Raynaud C, Saint-Prix F, Gonzalez-Pajuelo M, Meynial-Salles I, Soucaille P.
PMID: 26839586
Biotechnol Biofuels. 2016 Feb 02;9:23. doi: 10.1186/s13068-016-0432-2. eCollection 2016.

BACKGROUND: Clostridium acetobutylicum is a gram-positive, spore-forming, anaerobic bacterium capable of converting various sugars and polysaccharides into solvents (acetone, butanol, and ethanol). The sequencing of its genome has prompted new approaches to genetic analysis, functional genomics, and metabolic engineering...

Comment on "Demonstration of the casimir force in the 0.6 to 6 &mgr;m range".

Physical review letters

Lambrecht A, Reynaud S.
PMID: 10991022
Phys Rev Lett. 2000 Jun 12;84(24):5672. doi: 10.1103/PhysRevLett.84.5672.

No abstract available.

Constraints on hydrothermal processes and water exchange in Lake Vostok from helium isotopes.

Nature

Jean-Baptiste P, Petit JR, Lipenkov VY, Raynaud D, Barkov NI.
PMID: 11373674
Nature. 2001 May 24;411(6836):460-2. doi: 10.1038/35078045.

Lake Vostok, the largest subglacial lake in Antarctica, is covered by the East Antarctic ice sheet, which varies in thickness between 3,750 and 4,100 m (ref. 1). At a depth of 3,539 m in the drill hole at Vostok...

Experimental characterization of subwavelength diffraction gratings by an inverse-scattering neural method.

Journal of the Optical Society of America. A, Optics, image science, and vision

Robert S, Ravaud AM, Reynaud S, Fourment S, Carcenac F, Arguel P.
PMID: 12469733
J Opt Soc Am A Opt Image Sci Vis. 2002 Dec;19(12):2394-402. doi: 10.1364/josaa.19.002394.

Characterization of gratings with small period-to-wavelength ratios is difficult to perform but is very helpful in improving the fabrication process. We experimentally tested an inverse-scattering method using a neural network on silicon etched gratings. We also characterized the gratings...

Study of a nanocomposite based on a conducting polymer: polyaniline.

Langmuir : the ACS journal of surfaces and colloids

Kohut-Svelko N, Reynaud S, Dedryvère R, Martinez H, Gonbeau D, François J.
PMID: 15697310
Langmuir. 2005 Feb 15;21(4):1575-83. doi: 10.1021/la0481243.

A simple way to obtain a conducting nanocomposite is described, and the conducting particles are characterized. Core-shell particles [polystyrene-polyaniline (PANI)] have been obtained by the dispersion process from three types of polystyrene latexes: a no-cross-linked core stabilized by a...

High-resolution record of Northern Hemisphere climate extending into the last interglacial period.

Nature

Andersen KK, Azuma N, Barnola JM, Bigler M, Biscaye P, Caillon N, Chappellaz J, Clausen HB, Dahl-Jensen D, Fischer H, Flückiger J, Fritzsche D, Fujii Y, Goto-Azuma K, Grønvold K, Gundestrup NS, Hansson M, Huber C, Hvidberg CS, Johnsen SJ, Jonsell U, Jouzel J, Kipfstuhl S, Landais A, Leuenberger M, Lorrain R, Masson-Delmotte V, Miller H, Motoyama H, Narita H, Popp T, Rasmussen SO, Raynaud D, Rothlisberger R, Ruth U, Samyn D, Schwander J, Shoji H, Siggard-Andersen ML, Steffensen JP, Stocker T, Sveinbjörnsdóttir AE, Svensson A, Takata M, Tison JL, Thorsteinsson T, Watanabe O, Wilhelms F, White JW.
PMID: 15356621
Nature. 2004 Sep 09;431(7005):147-51. doi: 10.1038/nature02805.

Two deep ice cores from central Greenland, drilled in the 1990s, have played a key role in climate reconstructions of the Northern Hemisphere, but the oldest sections of the cores were disturbed in chronology owing to ice folding near...

Showing 1 to 12 of 427 entries