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Colour variations in the GRB 120327A afterglow
Melandri, A.,Covino, S.,Zaninoni, E.,Campana, S.,Bolmer, J.,Cobb, B. E.,Gorosabel, J.,Kim, J.-W.,Kuin, P.,Kuroda, D.,Malesani, D.,Mundell, C. G.,Nappo, F.,Sbarufatti, B.,Smith, R. J.,Steele, I. A.,Top EDP Sciences 2017 Astronomy and astrophysics Vol.607 No.-
Christian Moro,Jessica Covino 대한해부학회 2018 Anatomy & Cell Biology Vol.51 No.1
Measuring skeletal development throughout juvenile growth can provide a greater understanding into the health, hormonal function and genetics of children. The metacarpals have been of interest for their potential to provide insights into healthy juvenile skeletal development. This study investigated the growth patterns of developing females from isolated communities who had varied diets. Anthropometrical measurements and hand-wrist X-rays were taken of 353 juvenile females from three populations: Pari Coastal Village and Bundi Highlands Village, Papua New Guinea (PNG); and Brisbane, Australia between 1968 to 1983. Radiographs were digitized, and the length and width of the second and third metacarpals compared to each subject’s height and weight. As subject heights increased, metacarpal length and width increased. However, stature and second metacarpal length indicated the strongest correlation (P<0.01), compared to third metacarpal length (P<0.01) or width. From 11 to 13 years of age, Brisbane subjects were significantly heavier and taller in comparison to subjects from PNG, and coastal females were heavier and taller than the highland females. A prominent difference between the two PNG populations was the regional intake of protein in their diets. The second metacarpal presents particularly accurate measurements when determining the height or development of a child. Nutritional intake appears to have a major influence normal childhood growth, with a potential for protein deficiency to strongly inhibit growth. Any delayed growth is particularly evident in the child’s stature, as well as in the development of the metacarpal long bones of the hand.
GRB Early Afterglow Observations with the REM Robotic Telescope
Susanna Diana Vergani,Stefano Covino,Daniele Malesani,Cristiano Guidorzi,Paolo D’Avanzo,Eliana Palazzi 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.5
Gamma-ray bursts (GRBs) are thought to be produced by highly relativistic outflows. Although upper and lower limits for the outflow initial Lorentz factor Γ₀ are available, observational efforts to derive a direct determination of Γ₀ have so far failed or have provided ambiguous results. As a matter of fact, the shape of the early-time afterglow light curve is very sensitive to Γ₀, which determines the time of the afterglow peak, i.e., when the outflow and the shocked circumburst material share a comparable amount of energy. We now comment on the early-time observations of the near-infrared afterglows of GRB060418 and GRB060607A performed by the (REM) robotic telescope. For both events, the afterglow peak was singled out, which allowed us to determine the initial fireball Lorentz, Γ₀ ~ 400.
Spampinato Michele Domenico,Covino Marcello,Passaro Angelina,Benedetto Marcello,D’Angelo Luca,Galizia Giorgio,Fabbri Irma Sofia,Pagano Teresa,Portoraro Andrea,Guarino Matteo,Previati Rita,Tullo Gianlu 대한응급의학회 2023 Clinical and Experimental Emergency Medicine Vol.10 No.1
Objective: According to the 2019 European Society of Cardiology (ESC) guidelines on pulmonary embolism (PE), prognosis is calculated using the Pulmonary Embolism Severity Index (PESI), a complex score with debated validity, or simplified PESI (sPESI). We have developed and validated a new risk score for in-hospital mortality (IHM) of patients with PE in the emergency department. Methods: This retrospective, dual-center cohort study was conducted in the emergency departments of two third-level university hospitals. Patients aged >18 years with a contrast-enhanced computed tomography-confirmed PE were included. Clinical variables and laboratory tests were evaluated blindly to IHM. Multivariable logistic regression was performed to identify the new score’s predictors, and the new score was compared with the PESI, sPESI, and shock index. Results: A total of 1,358 patients were included in this study: 586 in the derivation cohort and 772 in the validation cohort, with a global 10.6% of IHM. The PATHOS scores were developed using independent variables to predict mortality: platelet count, age, troponin, heart rate, oxygenation, and systolic blood pressure. The PATHOS score showed good calibration and high discrimination, with an area under the receiver operating characteristics curve of 0.83 (95% confidence interval [CI], 0.77–0.89) in the derivation population and 0.74 (95% CI, 0.68–0.80) in the validation cohort, which is significantly higher than the PESI, sPESI, and shock index in both cohorts (P<0.01 for all comparisons). Conclusion: PATHOS is a simple and effective prognostic score for predicting IHM in patients with PE in an emergency setting.