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Showing 13 to 24 of 224 entries
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Simulations of negative ion plasma sheaths.

The Review of scientific instruments

Cavenago M.
PMID: 20192438
Rev Sci Instrum. 2010 Feb;81(2):02B501. doi: 10.1063/1.3257999.

The need to accurately model beams of negative ions in high current sources makes reasonable to refine the simulation mesh up to fractions of the Debye length lambda(D), which is typically 0.01 mm. Even if simulations were finally possible...

Design of a versatile multiaperture negative ion source.

The Review of scientific instruments

Cavenago M, Kulevoy T, Petrenko S, Antoni V, Bigi M, Gazza E, Recchia M, Serianni G, Veltri P.
PMID: 20192383
Rev Sci Instrum. 2010 Feb;81(2):02A713. doi: 10.1063/1.3271247.

Negative ion sources are a key component of the neutral beam injector to be installed in the International Thermonuclear Experimental Reactor. At present research and development activities address several important issues related to beam extraction, optics, and optimization. Together...

Refractory rf ovens and sputter probes for electron cyclotron resonance ion source.

The Review of scientific instruments

Cavenago M, Galatá A, Kulevoy T, Petrenko S, Sattin M, Facco A.
PMID: 18315091
Rev Sci Instrum. 2008 Feb;79(2):02A301. doi: 10.1063/1.2804893.

Beams from electron cyclotron resonance ion source (ECRIS) with radio frequency ovens for refractory material (using a Mo coil) were recently demonstrated; results for Ti and V are here discussed, with temperature T(s) > or = 2300 K stably...

Brueckner doubles coupled cluster method with the polarizable continuum model of solvation.

The Journal of chemical physics

Caricato M, Scalmani G, Frisch MJ.
PMID: 21721618
J Chem Phys. 2011 Jun 28;134(24):244113. doi: 10.1063/1.3604560.

We present the theory and implementation for computing the (free) energy and its analytical gradients with the Brueckner doubles (BD) coupled cluster method in solution, in combination with the polarizable continuum model of solvation (PCM). The complete model, called...

Physics design of the injector source for ITER neutral beam injector (invited).

The Review of scientific instruments

Antoni V, Agostinetti P, Aprile D, Cavenago M, Chitarin G, Fonnesu N, Marconato N, Pilan N, Sartori E, Serianni G, Veltri P.
PMID: 24593568
Rev Sci Instrum. 2014 Feb;85(2):02B128. doi: 10.1063/1.4857235.

Two Neutral Beam Injectors (NBI) are foreseen to provide a substantial fraction of the heating power necessary to ignite thermonuclear fusion reactions in ITER. The development of the NBI system at unprecedented parameters (40 A of negative ion current...

A variational formulation of the polarizable continuum model.

The Journal of chemical physics

Lipparini F, Scalmani G, Mennucci B, Cancès E, Caricato M, Frisch MJ.
PMID: 20614958
J Chem Phys. 2010 Jul 07;133(1):014106. doi: 10.1063/1.3454683.

Continuum solvation models are widely used to accurately estimate solvent effects on energy, structural and spectroscopic properties of complex molecular systems. The polarizable continuum model (PCM) is one of the most versatile among the continuum models because of the...

Kinematic and neurophysiological consequences of an assisted-force-feedback brain-machine interface training: a case study.

Frontiers in neurology

Silvoni S, Cavinato M, Volpato C, Cisotto G, Genna C, Agostini M, Turolla A, Ramos-Murguialday A, Piccione F.
PMID: 24223567
Front Neurol. 2013 Nov 07;4:173. doi: 10.3389/fneur.2013.00173. eCollection 2013.

In a proof-of-principle prototypical demonstration we describe a new type of brain-machine interface (BMI) paradigm for upper limb motor-training. The proposed technique allows a fast contingent and proportionally modulated stimulation of afferent proprioceptive and motor output neural pathways using...

A 2D Particle in Cell model for ion extraction and focusing in electrostatic accelerators.

The Review of scientific instruments

Veltri P, Cavenago M, Serianni G.
PMID: 24593445
Rev Sci Instrum. 2014 Feb;85(2):02A711. doi: 10.1063/1.4826075.

Negative ions are fundamental to produce intense and high energy neutral beams used to heat the plasma in fusion devices. The processes regulating the ion extraction involve the formation of a sheath on a scale comparable to the Debye...

Single-Cell Transcriptome Analysis of CD34.

Frontiers in microbiology

Galinato M, Shimoda K, Aguiar A, Hennig F, Boffelli D, McVoy MA, Hertel L.
PMID: 30949159
Front Microbiol. 2019 Mar 21;10:577. doi: 10.3389/fmicb.2019.00577. eCollection 2019.

Myeloid cells are important sites of lytic and latent infection by human cytomegalovirus (CMV). We previously showed that only a small subset of myeloid cells differentiated from CD34

Hepatic portal venous gas after colonoscopy: A case report and review.

International journal of surgery case reports

Capolupo GT, Mascianà G, Carannante F, Caricato M.
PMID: 30144710
Int J Surg Case Rep. 2018;51:54-57. doi: 10.1016/j.ijscr.2018.06.041. Epub 2018 Jul 21.

INTRODUCTION: Hepatic portal venous gas (HPVG) is a rare radiological finding in which gas enters the portal venous system and it is associated in case of necrotizing colitis with a mortality of 75%. We report a case of iatrogenic...

Simulation of space charge compensation in a multibeamlet negative ion beam.

The Review of scientific instruments

Sartori E, Maceina TJ, Veltri P, Cavenago M, Serianni G.
PMID: 26932089
Rev Sci Instrum. 2016 Feb;87(2):02B917. doi: 10.1063/1.4933252.

Ion beam space charge compensation occurs by cumulating in the beam potential well charges having opposite polarity, usually generated by collisional processes. In this paper we investigate the case of a H(-) ion beam drift, in a bi-dimensional approximation...

A comparison between state-specific and linear-response formalisms for the calculation of vertical electronic transition energy in solution with the CCSD-PCM method.

The Journal of chemical physics

Caricato M.
PMID: 23901969
J Chem Phys. 2013 Jul 28;139(4):044116. doi: 10.1063/1.4816482.

The calculation of vertical electronic transition energies of molecular systems in solution with accurate quantum mechanical methods requires the use of approximate and yet reliable models to describe the effect of the solvent on the electronic structure of the...

Showing 13 to 24 of 224 entries