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Tytuł:
Large-scale radio continuum properties of 19 Virgo cluster galaxies : the influence of tidal interactions, ram pressure stripping, and accreting gas envelopes
Autorzy:
Urbanik, Marek
Kenney, J. D. P.
Chyży, Krzysztof
Chung, A.
Vollmer, B.
Beck, R.
Otmianowska-Mazur, Katarzyna
Soida, Marian
Opis:
Deep scaled array VLA 20 and 6 cm observations including polarization of 19 Virgo spiral galaxies are presented extending previous work on the influence of the cluster environment on the radio continuum properties of Virgo cluster spiral galaxies. This sample contains six galaxies with a global minimum of 20 cm polarized emission at the receding side of the galactic disk and quadrupolar type large-scale magnetic fields. In the new sample no additional case of a ram-pressure stripped spiral galaxy with an asymmetric ridge of polarized radio continuum emission was found. In the absence of a close companion, a truncated Hi disk, together with a ridge of polarized radio continuum emission at the outer edge of the Hi disk, is a signpost of ram pressure stripping. Six out of the 19 observed galaxies (NGC 4294, NGC 4298, NGC 4457, NGC 4532, NGC 4568, NGC 4808) display asymmetric 6 cm polarized emission distributions. Three galaxies belong to tidally interacting pairs (NGC 4294, NGC 4298, NGC 4568), two galaxies host huge accreting Hi envelopes (NGC 4532, NGC 4808), and one galaxy (NGC 4457) had a recent minor merger. Tidal interactions and accreting gas envelopes can lead to compression and shear motions which enhance the polarized radio continuum emission. The resulting asymmetries are located within the Hi distribution. The 6 cm average degree of polarization only correlates with the galaxy mass or rotation velocity. In addition, galaxies with low average star formation rate per unit area have a low average degree of polarization. Shear or compression motions can enhance the degree of polarization. The average degree of polarization of tidally interacting galaxies is generally lower than expected for a given rotation velocity and star formation activity. This low average degree of polarization is at least partly due to the absence of polarized emission from the thin disk. Ram pressure stripping can decrease whereas tidal interactions most frequently decreases the average degree of polarization of Virgo cluster spiral galaxies. We found that moderate active ram pressure stripping has no influence on the spectral index, but enhances the global radio continuum emission with respect to the FIR emission, while an accreting gas envelope can but not necessarily enhances the radio continuum emission with respect to the FIR emission.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Identification and prospective stability of electronic nose (eNose)-derived inflammatory phenotypes in patients with severe asthma
Autorzy:
Lefaudeux, D.
Wang, Y.
Vink, T.J.
Dahlén, S.E.
Caruso, M.
De Meulder, B.
Fowler, S.J.
Brinkman, P.
Shaw, D.E.
Bansal, A.T.
Montuschi, P.
Chanez, P.
Sun, K.
Knobel, H.H.
Maitland-van der Zee, A.H.
Pennazza, G.
Djukanovic, R.
Horvath, I.
Hekking, P.P.
D'Amico, A.
Santonico, M.
Sousa, A.R.
Krug, N.
Geiser, T.
Wagener, A.H.
Weda, H.
Bakke, P.S.
Corfield, J.
Musiał, Jacek
Rattray, N.J.
Sandstrom, T.
Chung, K.F.
Sterk, P.J.
Auffray, C.
Riley, J.H.
Opis:
Background: Severe asthma is a heterogeneous condition, as shown by independent cluster analyses based on demographic, clinical, and inflammatory characteristics. A next step is to identify molecularly driven phenotypes using ‘‘omics’’ technologies. Molecular fingerprints of exhaled breath are associated with inflammation and can qualify as noninvasive assessment of severe asthma phenotypes. Objectives: We aimed (1) to identify severe asthma phenotypes using exhaled metabolomic fingerprints obtained from a composite of electronic noses (eNoses) and (2) to assess the stability of eNose-derived phenotypes in relation to withinpatient clinical and inflammatory changes. Methods: In this longitudinal multicenter study exhaled breath samples were taken from an unselected subset of adults with severe asthma from the U-BIOPRED cohort. Exhaled metabolites were analyzed centrally by using an assembly of eNoses. Unsupervised Ward clustering enhanced by similarity profile analysis together with K-means clustering was performed. For internal validation, partitioning around medoids and topological data analysis were applied. Samples at 12 to 18 months of prospective follow-up were used to assess longitudinal within-patient stability. Results: Data were available for 78 subjects (age, 55 years [interquartile range, 45-64 years]; 41% male). Three eNosedriven clusters (n 5 26/33/19) were revealed, showing differences in circulating eosinophil (P 5 .045) and neutrophil (P 5 .017) percentages and ratios of patients using oral corticosteroids (P 5 .035). Longitudinal within-patient cluster stability was associated with changes in sputum eosinophil percentages (P 5 .045). Conclusions: We have identified and followed up exhaled molecular phenotypes of severe asthma, which were associated with changing inflammatory profile and oral steroid use. This suggests that breath analysis can contribute to the management of severe asthma.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Pion emission from the T2K replica target : method, results and application
Autorzy:
Haesler, A.
Petukhov, O.
Grabez, B.
Kolev, D.
Staszel, Paweł
Christakoglou, P.
Stefanek, G.
Di Luise, S.
Murphy, S.
Murakami, A.
Savic, M.
Larsen, Dag
Zambelli, L.
Kikola, D.
Brooks, W.
Nakadaira, T.
Ichikawa, A. K.
Tereshchenko, V.
Kadija, K.
Ereditato, A.
Peryt, W.
Sipos, M.
Zipper, W.
Roth, M.
Popov, B. A.
Antoniou, N.
Stepaniak, J.
Włodarczyk, Z.
Kiełczewska, D.
Engel, R.
Puławski, S.
Słodkowski, M.
Kowalski, S.
Nishikawa, K.
Wojtaszek-Szwarc, A.
Renfordt, R.
Rondio, E.
Igolkin, S.
Matulewicz, T.
Panagiotou, A. D.
Paul, T.
Melkumov, G. L.
Grzeszczuk, A.
Marin, V.
Posiadała, M.
Idczak, R.
Czopowicz, T.
Fodor, Z.
Golubeva, M.
Malakhov, A. I.
Turko, L.
Tada, M.
Kisiel, J.
Matveev, V.
Ferrero, A.
Laszlo, A.
Bubak, A.
Tolyhi, T.
Vesztergombi, G.
Krasnoperov, A.
Vassiliou, M.
Majka, Zbigniew
Kirejczyk, M.
Marchionni, A.
Strabel, C.
Mrówczyński, St.
Esposito, L. S.
Lacey, R.
Maćkowiak-Pawłowska, M.
Rubbia, A.
Lyubushkin, V. V.
Kleinfelder, S.
Galymov, V.
Davis, N.
Maksiak, B.
Marcinek, Antoni
Seyboth, P.
Bunyatov, S. A.
Dominik, W.
Röhrich, D.
Ivanov, Y.
Kuleshov, S.
Ulrich, R.
Ravonel, M.
Brzychczyk, Janusz
Abgrall, N.
Pluta, J.
Maletic, D.
Sekiguchi, T.
Hartz, M.
Suzuki, K.
Unger, M.
Gaździcki, M.
Tsenov, R.
Kondratiev, V. P.
Kubo, H.
Płaneta, Roman
Guber, F.
Blumer, J.
Palla, G.
Marino, A. D.
Feofilov, G. A.
Aduszkiewicz, A.
Debieux, S.
Vechernin, V. V.
Dynowski, K.
Puzovic, J.
Taranenko, A.
Hakobyan, H.
Korzenev, A.
Palczewski, T.
Fulop, A.
Yuan, T.
Rauch, W.
Chung, P.
Veberič, D.
Robert, A.
Rustamov, A.
Argyriades, J.
Zimmerman, E. D.
Shibata, M.
Kolesnikov, V. I.
Ivashkin, A.
Hasegawa, T.
Rossi, B.
Kurepin, A.
Maris, I.
Nakaya, T.
Kochebina, O.
Sadovsky, A.
Katryńska, N.
Anticic, T.
Blondel, A.
Dumarchez, J.
Busygina, O.
Ströbele, H.
Wyszyński, Oskar
Baatar, B.
Bravar, A.
Kobayashi, T.
Grebieszkow, K.
Bogomilov, M.
Matsuoka, K.
Kapoyannis, A.
Kiss, T.
Messina, M.
Wilczek, A.
Skrzypczak, E.
Rybczyński, M.
Szuba, M.
Susa, T.
Sakashita, K.
Marton, K.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Wyświetlanie 1-10 z 25

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