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Final results of the first phase of the PROTO-SPHeRA experiment: obtainment of the full current stable screw pinch and first evidences of the jet + torus combined plasma configuration

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Plasma Science and Technology 2024年第2期26卷 31-43页

作者： Paolo MICOZZI Franco ALLADIO Alessandro MANCUSO Vincenzo ZANZA Gerarda APRUZZeSe Francesca BOMBARDA Luca BONCAGNI Paolo BURATTI Francesco FILIPPI giusep.e galatola teka Francesco GIAMMANCO edmondo GIOVANNOZZI Andrea GROSSO Matteo IAFRATI Alessandro LAMPASI Violeta LAZIC Simone MAGAGNINO Simone MANNORI Paolo MARSILI Valerio PIeRGOTTI Giuliano ROCCHI Alessandro SIBIO Benedetto TILIA Onofrio TUDISCO FSN Dipartimento Fusione e tecnologie per la Sicurezza Nucleare ENEA Agenzia Nazionale per Le Nuove Tecnologie Energia e lo Sviluppo Economico SostenibileFrascati(Rome)00044Italy IAPS Istituto di Astrofisica e Planetologia Spaziali INAF Istituto Nazionale di AstrofisicaRome O133Italy Physics Department University of Pisa Faculty of Natural Sciences Mathematics and PhysicsPisa 56127 Italy

In astrophysics, the boundary conditions for plasma phenomena are provided by nature and the astronomer faces the problem of understanding them from a variety of observations [Hester J J et al 1996 Astrophys. J. 456 225], on the other hand, in laboratory plasma experiments the electromagnetic boundary conditions become a major problem in the set-up of the machine that produces the plasma, an issue that has to be investigated step by step and to be modified and adapted with great patience, in particular in the case of an innovative plasma confinement experiment. The PROTO-SPHeRA machine [Alladio F et al 2006 Nucl. Fusion 46 S613] is a magnetic confinement experiment, that emulates in the laboratory the jet + torus plasma configurations often observed in astrophysics: an inner magnetized jet of plasma centered on the(approximate) axis of symmetry and surrounded by a magnetized plasma torus orthogonal to this jet. The PROTO-SPHeRA plasma is simply connected, i.e., no metal current conducting rod is linked to the plasma torus, while instead it is the inner magnetized plasma jet(in the following always called the plasma centerpost) that is linked to the torus. It is mandatory that no spurious plasma current path modifies the optimal shape of the plasma centerpost. Moreover, as the plasma torus is produced and sustained, in absence of any applied inductive electric field, by the inner plasma centerpost through magnetic reconnections [Taylor J B and Turner M F 1989 *** 29 219], it is required as well that spurious current paths do not surround the torus on its outboard, in order not to lower the efficiency of the magnetic reconnections that maintain the plasma torus at the expense of the plasma centerpost. Boundary conditions have been corrected,up to the point that the first sustainment in steady state has been achieved for the combined plasma.

关键词： laboratory plasmas magnetic confinement astrophysical plasmas

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Synergistic effect of interleukin-10-receptor variants in a case of early-onset ulcerative colitis

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World Journal of Gastroenterology 2013年第46期19卷 8659-8670页

作者： Martina galatola erasmo Miele Caterina Strisciuglio Lorella Paparo Daniela Rega Paolo Delrio Francesca Duraturo Massimo Martinelli Giovanni Battista Rossi Annamaria Staiano Paola Izzo Marina De Rosa Department of Molecular Medicine and Medical Biotechnology and CeINGe Biotecnologie Avanzate University of Naples"FedericoⅡ" Department of Translational Medical Sciences Section of PediatricsUniversity of Naples"FedericoⅡ" Colorectal Surgical Oncology-Abdominal Oncology Department Istituto Nazionale per lo studio e la cura dei tumori"Fondazione Giovanni Pascale"IRCCS-80131 NaplesItaly endoscopy Unit Istituto Nazionale per lo studio e la cura dei tumori"Fondazione Giovanni Pascale"IRCCS-80131 NaplesItaly

AIM: To investigated the molecular cause of very early-onset ulcerative colitis (UC) in an 18-mo-old affected child.

关键词： Inflammatory bowel disease, Ulcerative colitis, Interleukin 10 receptors, Tumour necrosis factor α receptors, Beta catenin

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