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Showing 1 to 12 of 38 entries
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A differential pumping system to deliver windowless VUV photons at atmospheric pressure.

Journal of synchrotron radiation

Giuliani A, Yao I, Lagarde B, Rey S, Duval JP, Rommeluere P, Jamme F, Rouam V, Wein F, De Oliveira C, Ros M, Lestrade A, Desjardins K, Giorgetta JL, Laprevote O, Herbaux C, Refregiers M.
PMID: 21685669
J Synchrotron Radiat. 2011 Jul;18:546-9. doi: 10.1107/S0909049511016517. Epub 2011 May 19.

In order to deliver VUV (vacuum ultraviolet) photons under atmospheric pressure conditions, a differential pumping system has been built on the DISCO beamline at the SOLEIL synchrotron radiation facility. The system is made of four stages and is 840...

Reactions with 40Ar and 84Kr leading to the same compound nucleus, 200Po.

Physical review. C, Nuclear physics

Guidry MW, Hahn RL, Lagarde B, LeBeyec Y, Toth KS.
PMID: 9954327
Phys Rev C Nucl Phys. 1987 Nov;36(5):2132-2135. doi: 10.1103/physrevc.36.2132.

No abstract available.

Tinker 8: Software Tools for Molecular Design.

Journal of chemical theory and computation

Rackers JA, Wang Z, Lu C, Laury ML, Lagardère L, Schnieders MJ, Piquemal JP, Ren P, Ponder JW.
PMID: 30176213
J Chem Theory Comput. 2018 Oct 09;14(10):5273-5289. doi: 10.1021/acs.jctc.8b00529. Epub 2018 Sep 19.

The Tinker software, currently released as version 8, is a modular molecular mechanics and dynamics package written primarily in a standard, easily portable dialect of Fortran 95 with OpenMP extensions. It supports a wide variety of force fields, including...

Massively Parallel Implementation of Steered Molecular Dynamics in Tinker-HP: Comparisons of Polarizable and Non-Polarizable Simulations of Realistic Systems.

Journal of chemical theory and computation

Célerse F, Lagardère L, Derat E, Piquemal JP.
PMID: 31059250
J Chem Theory Comput. 2019 Jun 11;15(6):3694-3709. doi: 10.1021/acs.jctc.9b00199. Epub 2019 May 17.

Steered molecular dynamic (SMD) is a powerful technique able to accelerate rare event sampling in Molecular Dynamics (MD) simulations by applying an external force to a set of chosen atoms. Despite generating nonequilibrium simulations, SMD remains capable of reconstructing...

Time resolved transient circular dichroism spectroscopy using synchrotron natural polarization.

Structural dynamics (Melville, N.Y.)

Auvray F, Dennetiere D, Giuliani A, Jamme F, Wien F, Nay B, Zirah S, Polack F, Menneglier C, Lagarde B, Hirst JD, Réfrégiers M.
PMID: 31700943
Struct Dyn. 2019 Oct 31;6(5):054307. doi: 10.1063/1.5120346. eCollection 2019 Sep.

Ultraviolet (UV) synchrotron radiation circular dichroism (SRCD) spectroscopy has made an important contribution to the determination and understanding of the structure of bio-molecules. In this paper, we report an innovative approach that we term time-resolved SRCD (tr-SRCD), which overcomes...

[Child to child].

Hygie

Dumurgier E, Lagardère B, Michon L.
PMID: 2960602
Hygie. 1987 Sep;6(3):33-7.

The story of a seven year-old handicapped girl, unhappy and isolated, who--with the help of school children from her village, one in particular who was also disabled--can now go to school and become increasingly autonomous, provides a better understanding...

Towards large scale hybrid QM/MM dynamics of complex systems with advanced point dipole polarizable embeddings.

Chemical science

Loco D, Lagardère L, Cisneros GA, Scalmani G, Frisch M, Lipparini F, Mennucci B, Piquemal JP.
PMID: 31588288
Chem Sci. 2019 Jun 11;10(30):7200-7211. doi: 10.1039/c9sc01745c. eCollection 2019 Aug 14.

In this work, we present a general route to hybrid Quantum Mechanics/Molecular Mechanics (QM/MM) Molecular Dynamics for complex systems using a polarizable embedding. We extend the capabilities of our hybrid framework, combining the Gaussian and Tinker/Tinker-HP packages in the...

Tinker-HP: a massively parallel molecular dynamics package for multiscale simulations of large complex systems with advanced point dipole polarizable force fields.

Chemical science

Lagardère L, Jolly LH, Lipparini F, Aviat F, Stamm B, Jing ZF, Harger M, Torabifard H, Cisneros GA, Schnieders MJ, Gresh N, Maday Y, Ren PY, Ponder JW, Piquemal JP.
PMID: 29732110
Chem Sci. 2017 Nov 27;9(4):956-972. doi: 10.1039/c7sc04531j. eCollection 2018 Jan 28.

We present Tinker-HP, a massively MPI parallel package dedicated to classical molecular dynamics (MD) and to multiscale simulations, using advanced polarizable force fields (PFF) encompassing distributed multipoles electrostatics. Tinker-HP is an evolution of the popular Tinker package code that...

A coherent derivation of the Ewald summation for arbitrary orders of multipoles: The self-terms.

The Journal of chemical physics

Stamm B, Lagardère L, Polack É, Maday Y, Piquemal JP.
PMID: 30278683
J Chem Phys. 2018 Sep 28;149(12):124103. doi: 10.1063/1.5044541.

In this work, we provide the mathematical elements we think essential for a proper understanding of the calculus of the electrostatic energy of point-multipoles of arbitrary order under periodic boundary conditions. The emphasis is put on the expressions of...

DEIMOS: a beamline dedicated to dichroism measurements in the 350-2500 eV energy range.

The Review of scientific instruments

Ohresser P, Otero E, Choueikani F, Chen K, Stanescu S, Deschamps F, Moreno T, Polack F, Lagarde B, Daguerre JP, Marteau F, Scheurer F, Joly L, Kappler JP, Muller B, Bunau O, Sainctavit P.
PMID: 24517744
Rev Sci Instrum. 2014 Jan;85(1):013106. doi: 10.1063/1.4861191.

The DEIMOS (Dichroism Experimental Installation for Magneto-Optical Spectroscopy) beamline was part of the second phase of the beamline development at French Synchrotron SOLEIL (Source Optimisée de Lumière à Energie Intermédiaire du LURE) and opened to users in March 2011....

Carbon contamination of soft X-ray beamlines: dramatic anti-reflection coating effects observed in the 1 keV photon energy region.

Journal of synchrotron radiation

Chauvet C, Polack F, Silly MG, Lagarde B, Thomasset M, Kubsky S, Duval JP, Risterucci P, Pilette B, Yao I, Bergeard N, Sirotti F.
PMID: 21862857
J Synchrotron Radiat. 2011 Sep;18:761-4. doi: 10.1107/S0909049511023119. Epub 2011 Jul 08.

Carbon contamination is a general problem of under-vacuum optics submitted to high fluence. In soft X-ray beamlines carbon deposit on optics is known to absorb and scatter radiation close to the C K-edge (280 eV), forbidding effective measurements in...

Optimization strategies for XUV monochromators.

Journal of synchrotron radiation

Polack F, Delcamp E, Lagarde B, Mirone A.
PMID: 15263631
J Synchrotron Radiat. 1998 May 01;5:719-22. doi: 10.1107/S0909049597018669. Epub 1998 May 01.

The techniques of monochromator optimization are reviewed, and it is shown that until recently only a few of the available parameters were used at the same time. Efficient optimization can be performed numerically. The computation method developed at LURE...

Showing 1 to 12 of 38 entries