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Showing 1 to 12 of 428 entries
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REXIC Project: Retrospective Cross-Sectional Study of Documentation of Informed Consent for Research Biobanking in A Public Research and Teaching Hospital.

Journal of public health research

Nobile M, Garavelli E, Gagliardi B, Giovanelli S, Rebulla P, Caccami C, Iemmi D, Saibene F, Castaldi S.
PMID: 25170481
J Public Health Res. 2013 Jul 23;2(1):54-8. doi: 10.4081/jphr.2013.e10. eCollection 2013 Apr 28.

BACKGROUND: The Center for Transfusion Medicine, Cell Therapy and Cryobiology, Milan, Northern Italy, is the headquarter of the POLI-MI biobank. It co-ordinates the biobank activities of the Fondazione Ca' Granda Ospedale Maggiore Policlinico of Milan. Such activities require specific...

Majorana Quasiparticles Protected by Z_{2} Angular Momentum Conservation.

Physical review letters

Iemini F, Mazza L, Fallani L, Zoller P, Fazio R, Dalmonte M.
PMID: 28581780
Phys Rev Lett. 2017 May 19;118(20):200404. doi: 10.1103/PhysRevLett.118.200404. Epub 2017 May 19.

We show how angular momentum conservation can stabilize a symmetry-protected quasitopological phase of matter supporting Majorana quasiparticles as edge modes in one-dimensional cold atom gases. We investigate a number-conserving four-species Hubbard model in the presence of spin-orbit coupling. The...

From localization to anomalous diffusion in the dynamics of coupled kicked rotors.

Physical review. E

Notarnicola S, Iemini F, Rossini D, Fazio R, Silva A, Russomanno A.
PMID: 29548167
Phys Rev E. 2018 Feb;97(2):022202. doi: 10.1103/PhysRevE.97.022202.

We study the effect of many-body quantum interference on the dynamics of coupled periodically kicked systems whose classical dynamics is chaotic and shows an unbounded energy increase. We specifically focus on an N-coupled kicked rotors model: We find that...

Graphene enhanced field emission from InP nanocrystals.

Nanotechnology

Iemmo L, Di Bartolomeo A, Giubileo F, Luongo G, Passacantando M, Niu G, Hatami F, Skibitzki O, Schroeder T.
PMID: 29083313
Nanotechnology. 2017 Dec 08;28(49):495705. doi: 10.1088/1361-6528/aa96e6.

We report the observation of field emission (FE) from InP nanocrystals (NCs) epitaxially grown on an array of p-Si nanotips. We prove that FE can be enhanced by covering the InP NCs with graphene. The measurements are performed inside...

Optimization, tolerance analysis and implementation of a Stokes polarimeter based on the conical refraction phenomenon.

Optics express

Peinado A, Lizana A, Turpín A, Iemmi C, Kalkandjiev TK, Mompart J, Campos J.
PMID: 25836795
Opt Express. 2015 Mar 09;23(5):5636-52. doi: 10.1364/OE.23.005636.

Recently, we introduced the basic concepts behind a new polarimeter device based on conical refraction (CR), which presents several appealing features compared to standard polarimeters. To name some of them, CR polarimeters retrieve the polarization state of an input...

Induction of Colonic Regulatory T Cells by Mesalamine by Activating the Aryl Hydrocarbon Receptor.

Cellular and molecular gastroenterology and hepatology

Oh-Oka K, Kojima Y, Uchida K, Yoda K, Ishimaru K, Nakajima S, Hemmi J, Kano H, Fujii-Kuriyama Y, Katoh R, Ito H, Nakao A.
PMID: 28593185
Cell Mol Gastroenterol Hepatol. 2017 Apr 11;4(1):135-151. doi: 10.1016/j.jcmgh.2017.03.010. eCollection 2017 Jul.

BACKGROUND & AIMS: Mesalamine is a first-line drug for treatment of inflammatory bowel diseases (IBD). However, its mechanisms are not fully understood. CD4METHODS: We examined the frequencies of Tregs in the colons of wild-type mice, mice deficient for aryl...

Graphene-based large area dye-sensitized solar cell modules.

Nanoscale

Casaluci S, Gemmi M, Pellegrini V, Di Carlo A, Bonaccorso F.
PMID: 26883743
Nanoscale. 2016 Mar 07;8(9):5368-78. doi: 10.1039/c5nr07971c.

We demonstrate spray coating of graphene ink as a viable method for large-area fabrication of graphene-based dye-sensitized solar cell (DSSC) modules. A graphene-based ink produced by liquid phase exfoliation of graphite is spray coated onto a transparent conductive oxide...

Topological Phases of Parafermions: A Model with Exactly Solvable Ground States.

Physical review letters

Iemini F, Mora C, Mazza L.
PMID: 28498698
Phys Rev Lett. 2017 Apr 28;118(17):170402. doi: 10.1103/PhysRevLett.118.170402. Epub 2017 Apr 25.

Parafermions are emergent excitations that generalize Majorana fermions and can also realize topological order. In this Letter, we present a nontrivial and quasi-exactly-solvable model for a chain of parafermions in a topological phase. We compute and characterize the ground-state...

Crystal Phases in Hybrid Metal-Semiconductor Nanowire Devices.

Nano letters

David J, Rossella F, Rocci M, Ercolani D, Sorba L, Beltram F, Gemmi M, Roddaro S.
PMID: 28231001
Nano Lett. 2017 Apr 12;17(4):2336-2341. doi: 10.1021/acs.nanolett.6b05223. Epub 2017 Feb 28.

We investigate the metallic phases observed in hybrid metal-GaAs nanowire devices obtained by controlled thermal annealing of Ni/Au electrodes. Devices are fabricated onto a SiN membrane compatible with transmission electron microscopy studies. Energy dispersive X-ray spectroscopy allows us to...

An advanced lithium-ion battery based on a graphene anode and a lithium iron phosphate cathode.

Nano letters

Hassoun J, Bonaccorso F, Agostini M, Angelucci M, Betti MG, Cingolani R, Gemmi M, Mariani C, Panero S, Pellegrini V, Scrosati B.
PMID: 25026051
Nano Lett. 2014 Aug 13;14(8):4901-6. doi: 10.1021/nl502429m. Epub 2014 Jul 22.

We report an advanced lithium-ion battery based on a graphene ink anode and a lithium iron phosphate cathode. By carefully balancing the cell composition and suppressing the initial irreversible capacity of the anode in the round of few cycles,...

Structure determination of phi-Bi8Pb5O17 by electron and powder X-ray diffraction.

Ultramicroscopy

Gemmi M, Righi L, Calestani G, Migliori A, Speghini A, Santarosa M, Bettinelli M.
PMID: 10945324
Ultramicroscopy. 2000 Aug;84(3):133-42. doi: 10.1016/s0304-3991(00)00007-3.

The triclinic crystal structure of phi-Bi8Pb5O17, a ionic fast conductor material, has been determined by the synergy of both electron and powder X-ray crystallography. The heavy atom positions were found by direct methods on electron diffraction data and the...

Combined Mueller and Jones matrix method for the evaluation of the complex modulation in a liquid-crystal-on-silicon display.

Optics letters

Moreno I, Lizana A, Campos J, Márquez A, Iemmi C, Yzuel MJ.
PMID: 18347732
Opt Lett. 2008 Mar 15;33(6):627-9. doi: 10.1364/ol.33.000627.

We apply the polar decomposition of the Mueller matrix describing a liquid-crystal-on-silicon display to identify the diattenuator, depolarizer, and retarder contributions as a function of the gray level. The retarder contribution is expressed in terms of the equivalent Jones...

Showing 1 to 12 of 428 entries