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253 results on '"Migliaccio C"'

1. Microwave Tomographic Imaging of Cerebrovascular Accidents by Using High-Performance Computing

Author

Tournier, P. -H., Aliferis, I., Bonazzoli, M., de Buhan, M., Darbas, M., Dolean, V., Hecht, F., Jolivet, P., Kanfoud, I. El, Migliaccio, C., Nataf, F., Pichot, C., and Semenov, S.

Subjects
Computer Science - Computational Engineering, Finance, and Science, Computer Science - Distributed, Parallel, and Cluster Computing, Physics - Computational Physics
Abstract

The motivation of this work is the detection of cerebrovascular accidents by microwave tomographic imaging. This requires the solution of an inverse problem relying on a minimization algorithm (for example, gradient-based), where successive iterations consist in repeated solutions of a direct problem. The reconstruction algorithm is extremely computationally intensive and makes use of efficient parallel algorithms and high-performance computing. The feasibility of this type of imaging is conditioned on one hand by an accurate reconstruction of the material properties of the propagation medium and on the other hand by a considerable reduction in simulation time. Fulfilling these two requirements will enable a very rapid and accurate diagnosis. From the mathematical and numerical point of view, this means solving Maxwell's equations in time-harmonic regime by appropriate domain decomposition methods, which are naturally adapted to parallel architectures.

Published
2016
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2. Millimeter-Wave Imaging for FOD Detection

Author

Nsengiyumva, F., Migliaccio, C., Pichot, Ch., Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Martin, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, and Electronic Navigation Research Institute, editor

Published
2019
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7. A Bayesian methodology to improve prediction of early graft loss after liver transplantation derived from the Liver Match study

Author

Angelico, M., Cillo, U., Fagiuoli, S., Strazzabosco, M., Caraceni, P., Toniutto, P.L., Nanni Costa, A., Salizzoni, Torino M., Romagnoli, R., Bertolotti, G., Patrono, D., De Carlis, L., Slim, A., Mangoni, J.M.E., Rossi, G., Caccamo, L., Antonelli, B., Mazzaferro, V., Regalia, E., Sposito, C., Colledan, M., Corno, V., Tagliabue, F., Marin, S., Vitale, A., Gringeri, E., Donataccio, M., Donataccio, D., Baccarani, U., Lorenzin, D., Bitetto, D., Valente, U., Gelli, M., Cupo, P., Gerunda, G.E., Rompianesi, G., Pinna, A.D., Grazi, G.L., Cucchetti, A., Zanfi, C., Risaliti, A., Faraci, M.G., Tisone, G., Anselmo, A., Lenci, I., Sforza, D., Agnes, S., Di Mugno, M., Avolio, A.W., Ettorre, G.M., Miglioresi, L., Vennarecci, G., Berloco, P., Rossi, M., Ginanni Corradini, S., Molinaro, A., Calise, F., Scuderi, V., Cuomo, O., Migliaccio, C., Lupo, L., Notarnicola, G., Gridelli, B., Volpes, R., Li Petri, S., Zamboni, F., Carbotta, G., Dedola, S., Nardi, A., Marianelli, T., Gavrila, C., Ricci, A., Vespasiano, F., Angelico, Mario, Nardi, Alessandra, Romagnoli, Renato, Marianelli, Tania, Corradini, Stefano Ginanni, Tandoi, Francesco, Gavrila, Caius, Salizzoni, Mauro, Pinna, Antonio D., Cillo, Umberto, Gridelli, Bruno, De Carlis, Luciano G., Colledan, Michele, Gerunda, Giorgio E., Costa, Alessandro Nanni, and Strazzabosco, Mario

Published
2014
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15. A printed, broadband Luneburg lens antenna

Author

Zeitler, A., Lanteri, J., Pichot, C., Migliaccio, C., Feil, P., and Menzel, W.

Subjects
Airport surface detection equipment -- Innovations, Antennas (Electronics) -- Design and construction, Beamforming -- Analysis, Fourier transformations -- Usage, Business, Computers, Electronics, Electronics and electrical industries
Published
2010

17. 77 GHz stepped lens with sectorial radiation pattern as primary feed of a lens based CATR

Author

Multari, M., Lanteri, J., Le Sonn, J. L., Brochier, L., Pichot, C., Migliaccio, C., Desvilles, J. L., and Feil, P.

Subjects
Antennas (Electronics) -- Design and construction, Radiation -- Analysis, Vinyl polymers -- Electric properties, Vinyl polymers -- Optical properties, Mobile communication systems -- Analysis, Wireless communication systems -- Analysis, Wireless technology, Business, Computers, Electronics, Electronics and electrical industries
Published
2010

18. W-band Fresnel zone plate reflector for helicopter collision avoidance radar

Author

Nguyen, B.D., Migliaccio, C., Pichot, Ch., Yamamoto, K., and Yonemoto, N.

Subjects
Radar systems -- Design and construction, Radar systems -- Antennas, Radar systems -- Usage, Radar systems -- Properties, Business, Computers, Electronics, Electronics and electrical industries
Abstract

A high gain Fresnel zone plate reflector is presented for helicopter collision avoidance radar at 94 GHz. 'The antenna system consists of a compact, airtightness and low return loss primary source illuminating a printed reflector with Fresnel plate zone phase correction. In order to increase the overall efficiency, the reflector combines 8 correcting zones in its center and 4 on the border. Reflected phase of over 360[degrees] is achieved by means of circular ring or combined circular and ring patches. The reflector is fabricated using standard photolithographic techniques. The primary source consists of a small FSS made by a double slot array antenna pasted on the aperture of a standard WR-10 wavegnide. Antenna measurements were conducted using a compact base arrangement. The antenna performs 37.8 dBi at the center frequency of 94 GHz with a maximum value of the return loss value not exceeding -25 dB. The frequency bandwidth at -3 dB in gain and return loss is of 9%. Index Terms--Frequency selective surface (FSS), millimeter-wave antenna array, printed circuit antennas, reflectarrays, reflector antenna feeds, reflector antennas.

Published
2007

19. Renal Safety of Liposomal Amphotericin B After Liver Transplantation

Author

Perrella, A., Esposito, C., Giuliani, Antonio, Migliaccio, C., Granato, G., Santaniello, W., Vennarecci, G., Giuliani A. (ORCID:0000-0002-0773-2162), Perrella, A., Esposito, C., Giuliani, Antonio, Migliaccio, C., Granato, G., Santaniello, W., Vennarecci, G., and Giuliani A. (ORCID:0000-0002-0773-2162)

Abstract

N/A

Published
2020

20. Psychological profiles and risk of relapse in cirrhosis due to alcohol abuse

Author

Galeota Lanza, A., primary, Mazzarone, G., additional, Moreas, V.G.M., additional, Cangiano, A., additional, Giordano, F., additional, Aragiusto, G., additional, Arenga, G., additional, Campanella, L., additional, Ceriello, A., additional, Ferraro, D., additional, Migliaccio, C., additional, Pisaniello, D., additional, Esposito, I., additional, Picciotto, F., additional, Di Costanzo, G., additional, Chierego, C., additional, Esposito, C., additional, and Vennarecci, G., additional

Published
2021
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22. C-reactive protein but not procalcitonin may predict antibiotic response and outcome in infections following major abdominal surgery.

Author

Perrella, A., Giuliani, A., De Palma, M., Castriconi, M., Molino, C., Vennarecci, G., Antropoli, C., Esposito, C., Calise, F., Frangiosa, A., Infection in Surgery Study Group AORN A. Cardarelli, Montanari, M., Lanza, M., Guarino, I., Mazzone, M., Basso, A., Perrella, M., Granato, G., Crolla, E., and Migliaccio, C.

Abstract

We aimed to evaluate the usefulness of C-reactive protein (CRP) and procalcitonin (PCT) as markers of infection, sepsis and as predictors of antibiotic response after non-emergency major abdominal surgery. We enrolled, from June 2015 to June 2019, all patients who underwent surgery due to abdominal infection (peritoneal abscess, peritonitis) or having sepsis episode after surgical procedures (i.e. hepatectomy, bowel perforation, pancreaticoduodenectomy (PD), segmental resection of the duodenum (SRD) or biliary reconstruction in a Tertiary Care Hospital. Serum CRP (cut-off value < 5 mg/L) and PCT (cut-off value < 0.1mcg/L) were measured in the day when fever was present or within 24 h after abdominal surgery. Both markers were assessed every 48 h to follow-up antibiotic response and disease evolution up to disease resolution. We enrolled a total of 260 patients underwent non-emergency major abdominal surgery and being infected or developing infection after surgical procedure with one or more microbes (55% mixed Gram-negative infection including Klebsiella KPC, 35% Gram-positive infection, 10% with Candida infection), 58% of patients had ICU admission for at least 96 h, 42% of patients had fast track ICU (48 h). In our group of patients, we found that PCT had a trend to increase after surgical procedure; particularly, those undergoing liver surgery had higher PCT than those underwent different abdominal surgery (U Mann–Whitney p < 0.05). CRP rapidly increase after surgery in those developing infection and showed a statistical significant decrease within 48 h in those subject being responsive to antibiotic treatment and having a clinical response within 10 days independently form the pathogens (bacterial or fungal). Further we found that those having CRP higher than 250 mg/L had a reduced percentage of success treatment at 10 days compared to those < 250 mg/mL (U Mann–Whitney p < 0.05). PCT did not show any variation according to treatment response. CRP in our cohort seems to be a useful marker to predict antibiotic response in those undergoing non-emergency abdominal surgery, while PCT seem to be increased in those having major liver surgery, probably due to hepatic production of cytokines. [ABSTRACT FROM AUTHOR]

Published
2022
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26. Microwave tomographic imaging of cerebrovascular accidents by using high-performance computing

Author

Tournier, P-H, Aliferis, I, Bonazzoli, M., de Buhan, M., Darbas, M., Dolean, V, Hecht, E., Jolivet, P., El Kanfoud, I, Migliaccio, C., Nataf, F., Pichot, Christian, Semenov, S., Tournier, P-H, Aliferis, I, Bonazzoli, M., de Buhan, M., Darbas, M., Dolean, V, Hecht, E., Jolivet, P., El Kanfoud, I, Migliaccio, C., Nataf, F., Pichot, Christian, and Semenov, S.

Abstract

The motivation of this work is the detection of cerebrovascular accidents by microwave tomographic imaging. This requires the solution of an inverse problem relying on a minimization algorithm (for example, gradient-based), where successive iterations consist in repeated solutions of a direct problem. The reconstruction algorithm is extremely computationally intensive and makes use of efficient parallel algorithms and high-performance computing. The feasibility of this type of imaging is conditioned on one hand by an accurate reconstruction of the material properties of the propagation medium and on the other hand by a considerable reduction in simulation time. Fulfilling these two requirements will enable a very rapid and accurate diagnosis. From the mathematical and numerical point of view, this means solving Maxwell's equations in time-harmonic regime by appropriate domain decomposition methods, which are naturally adapted to parallel architectures.

Published
2019
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29. Drone for Humanitarian Operations

Author

Tanzi, Tullio Joseph, Apvrille, Ludovic, Dugelay, Jean Luc, Migliaccio, C., Morel, Julien, Guarnieri, Franck, Tanzi, Tullio Joseph, Apvrille, Ludovic, Dugelay, Jean Luc, Migliaccio, C., Morel, Julien, and Guarnieri, Franck

Published
2014

33. Microwave tomography for brain stroke imaging

Author

Tournier, P.-H., primary, Hecht, F., additional, Nataf, F., additional, Bonazzoli, M., additional, Rapetti, F., additional, Dolean, V., additional, Semenov, S., additional, El Kanfoud, I., additional, Aliferis, I., additional, Migliaccio, C., additional, and Pichot, Ch., additional

Published
2017
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41. Dissipative Forces in the Electrowetted Cassie-Wenzel Transition on Hydrophobic Rough Surfaces

Author

Migliaccio, C. P. and Garimella, S V

Subjects
surface energy, electrowetting, Dissipative forces, contact-line friction, Cassie-Wenzel transition
Abstract

Dissipative forces in the electrowetting-induced Cassie-Wenzel transition on hydrophobic rough surfaces are explored. High-speed imaging of droplet shape evolution during the elec- trically induced spreading process allows for the location of the contact line to be tracked as a function of time. A surface energy analysis quantifies the total energy dissipated via nonconservative forces during the spreading process. Though identified as the dominant dissipative effect in droplet spreading on smooth surfaces, contact line friction is shown to have a relatively weak influence on the spreading on rough surfaces. Supplemental files are available for this article. Go to the publisher’s online edition of Nanoscale and Microscale Thermophysical Engineering to view the free supplemental file.

Published
2012

49. UN CASO DI MIELIPOMA PRESACRALE

Author

Spizzirri, A., Napolitano, V., Del Monaco, P., Migliaccio, C., Cattorini, L., Rossetti, B., La Mura, F., Milani, D., Galanou, I., Conti, C., Cirocchi, Roberto, Giustozzi, Giammario, and Sciannameo, Francesco

Published
2009

50. L’IPEROMOCISTEINEMIA IN CHIRURGIA D’ URGENZA: UN RARO CASO

Author

La Mura, F., Del Monaco, P., Farinella, E., Spizzirri, A., Napolitano, V., Migliaccio, C., Milani, D., Rossetti, B., Cattorini, L., Galanou, I., Conti, C., Cirocchi, Roberto, Giustozzi, Giammario, and Sciannameo, Francesco

Published
2009

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