196 research outputs found
De Santis A, Morlupo M, Cedola M, Peri C, Stati T, Pigna M, Antonelli M: Echographic survey of upper abdomen of 10 families of patients with immotile cilia syndrome.
No full textTen patients affected by the immotile cilia syndrome (ICS) and their families
received an ultrasound examination of the upper abdomen to observe the possible
familial occurence of biliary, pancreatic, and splenic alterations. In 9 patients the liver
was localized in the left hypochondrium, and in 1 patient there was an accessory
spleen. In all the examined kin, the subdiaphragmatic organs were normally positioned.
Two parents had an accessory spleen. We conclude that the supposed increased
frequency of polysplenia, asplenia, and biliary atresia among ICS subjects and their
kin is overestimated and based only upon anecdotal reports
Implementazione di uno strumento di separazione delle sorgenti di inquinamento atmosferico basato sulla tecnica di blind sources separation per un sistema di gestione della qualità dell’aria ATTI del 61°Congresso Nazionale ATI
No full textStima delle emissioni atmosferiche provenienti dai motori ausiliari delle grandi navi ormeggiate all’interno del Porto di Civitavecchia -
No full textStudio ed analisi di un bruciatore alimentato ad ATK da utilizzare su di un’unità cogenerativa stirling v-160 ATTI del 60° Congresso ATI
No full text
Identification Of Spatially Extended Pollution Sources By Means Of Blind Sources Separation Algorithms 8th Biennial ASME Conference on Engineering Systems Design and Analysis-
No full textBlind Source Separation (BSS) is able to recover original source signals from their mixtures. Well-known sources are brain electric activity, acoustic phenomena, earthquakes. Here we apply BSS to air pollution analysis identificating gas emissions using only sensor measurements mutually and statistically independent. This application consents an independent, low cost and real time environmental monitoring system. Besides, a real-world pollution case from an industrial region of central Italy is presented and processed by BSS
Differential patterns of lipid-protein association in fast and slow cholesterol nucleating human gallbladder biles: implications for cholesterol nucleation from biliary lipid carriers
No full textWe compared the protein/lipid structure and Ch-nucleating capacity of individual lipid carriers in two groups of human gallbladder biles: 11 with Fast cholesterol nucleation (2.2 +/- 1.3 days) and 10 with Slow cholesterol nucleation (19.2 +/- 4.4 days). The groups had comparable cholesterol-saturation (1.31 vs. 1.28), total lipids (9.9 vs. 8.5 g/dl) and proteins (8.5 vs. 7.6 mg/ml). Bile was ultracentrifuged (2 h at 150,000 x g) and the resulting isotropic phase was incubated with [3H]Ch and [14C]lecithin and gel-chromatographed on a Superose 6 column with a buffer containing 7.0 mM sodium-taurocholate. Seven protein peaks were identified (280 nm and biochemistry), with the following molecular mass ranges (kDa): 1 (Void volume), 2 (155-205), 3 (50-79), 4 (20-29), 5 (6-15), 6 (3.5-6), 7 (2-3.5). Peaks 2 and 3 were identified as vesicles and micelles, respectively. Fast vs. Slow Ch nucleating biles had: (a) more (P less than 0.02) cholesterol coeluting with vesicles, (b) more (P less than 0.01) lecithin coeluting with low m.w. peaks (Nos. 5-6), (c) less (P less than 0.01) cholesterol and lecithin coeluting with micelles. An inverse correlation (P less than 0.001) was observed between the amount of proteins coeluting with the micellar peak and the cholesterol nucleation of both whole bile and isolated micellar fractions. A marked shift of cholesterol and lecithin from micelles to vesicles was apparent, in the whole bile, after cholesterol nucleation had occurred. Incubation and sequential analysis of isolated and radiolabeled micelles showed a progressive transfer of lecithin and cholesterol molecules to low molecular weight fractions and to vesicles before cholesterol nucleation. We conclude that pro-nucleating biliary vesicles develop from micelles, due to the phasing out and redistribution of micellar cholesterol and lecithin, which are probably induced by biliary proteins
Homeless persons and migrants in precarious housing conditions and COVID-19 pandemic: peculiarities and prevention strategies
No full textHomeless persons and migrants in precarious housing conditions are vulnerable populations that have been peculiarly impacted by the Coronavirus Disease 19 (COVID-19) pandemic. These populations are more at risk of contracting COVID-19 as they often find it difficult to adhere to public health directives and, if exposed, may be more susceptible to illness or death due to the higher prevalence of underlying physical and mental comorbidities compared to the general population. In addition, vulnerable populations may have limited access to essential diagnostics and treatments, thus leading to untreated COVID-19 cases and their development into more severe forms. Health, social and government agencies should collaborate to develop services that support these communities, in accordance with the World Health Organization principles. Migrant and homeless centers have a central role, as they provide a significant contribution to prevent infection spread and favor access to early medical treatment to those affected, thus preventing more severe forms of infection
Imaging tissue regeneration/degeneration by combined X-ray micro-diffraction and phase contrast micro-tomography
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