Search results for " real time"

showing 10 items of 29 documents

Prevalence and 30-Day Mortality in Hospitalized Patients With Covid-19 and Prior Lung Diseases.

2021

Patients with pre-existing respiratory diseases in the setting of COVID-19 may have a greater risk of severe complications and even death.A retrospective, multicenter, cohort study with 5847 COVID-19 patients admitted to hospitals. Patients were separated in two groups, with/without previous lung disease. Evaluation of factors associated with survival and secondary composite end-point such as ICU admission and respiratory support, were explored.1,271 patients (22%) had a previous lung disease, mostly COPD. All-cause mortality occurred in 376 patients with lung disease (29.5%) and in 819 patients without (17.9%) (Previous lung disease is a risk factor for mortality in patients with COVID-19.…

HOPE-COVID-19 Health Outcome Predictive Evaluation for COVID-19Respiratory diseasesOriginal30-Day mortalityenfermedades respiratoriasACE2 angiotensin converting enzyme IIlaw.invention0302 clinical medicineCQ/HCQ chloroquine/hydroxychloroquinelawCOPDrespiratory diseasesPrognosisICU intensive care unitIntensive care unitSTROBE strengthening the reporting of observational studies in epidemiologypronósticomedicine.anatomical_structureEPOCCohort studyPulmonary and Respiratory Medicinemedicine.medical_specialty30-day mortalityRT-PCR real time reverse transcriptase-polymerase chain reactionSARS-CoV-2 severe acute respiratory syndrome coronavirus 2WHO World Health OrganizationMERS middle east respiratory syndrome03 medical and health sciencesInternal medicinemedicineCOPDCOVID-19 2019 novel coronavirusRisk factorIQR interquartile rangeLungmortalidad a 30 díasbusiness.industryFEV1 forced expiratory volume in one secondCOVID-19Retrospective cohort studymedicine.diseaseHR hazard ratioICS inhaled corticosteroidsCI confidence intervalCoronavirusCOPD chronic obstructive pulmonary disease030228 respiratory systemRespiratory failureILD interstitial lung diseaseMiddle East respiratory syndromeprognosisHFNC high flow nasal cannulabusiness
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Application of fnbA gene as new target for the species-specific and quantitative detection of Staphylococcus aureus directly from lower respiratory t…

2013

Staphylococcus aureus is a significant cause of hospital-acquired pneumonia (HAP), particularly in mechanically ventilated patients. We used the fibronectin-binding protein A gene (fnbA) for the species-specific and quantitative detection of S. aureus directly from lower respiratory tract (LRT) specimens by a Taq Man real time PCR. For this reason, a total of 269 lower respiratory tract (LRT) specimens collected from patients with hospital-acquired pneumonia were assayed. Amplification of fnbA in serial dilutions ranged from 10(9) CFU/ ml to 10(2) CFU/ml. Standard curve of triplicate every dilution had slope 3.34±0.1 and R2>0.99 with SD 0.1. Based on these data, the sensitivity and specif…

Microbiology (medical)fnbA Gene real time PCR respiratory infection Staphylococcus aureusSettore MED/07 - Microbiologia E Microbiologia ClinicaStaphylococcus aureusSerial dilutionRespiratory Systemlcsh:QR1-502medicine.disease_causeReal-Time Polymerase Chain ReactionSensitivity and SpecificityfnbA Genelcsh:MicrobiologyPathology and Forensic MedicineMicrobiologyrespiratory infectionPneumonia StaphylococcalmedicineTaqManlcsh:PathologyHumansAdhesins BacterialCross InfectionbiologyStaphylococcus. aureusRespiratory infectionGeneral Medicinemedicine.diseasePneumoniareal time PCRmedicine.anatomical_structureReal-time polymerase chain reactionMolecular Diagnostic TechniquesStaphylococcus aureusbiology.proteinProtein ARespiratory tractlcsh:RB1-214Indian journal of pathologymicrobiology
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Streaming for vehicular users via elastic proxy buffer management

2004

In this article we refer to the market of vehicular networks, where groups of customers located in the same public vehicle (e.g., a train or bus) connect to a terrestrial network through a wireless/satellite backbone link. Elastic buffering is a proxy management technique devised to decouple the multimedia information retrieval rate on the network backbone from the playout streaming rate at the user terminal. It has been shown in the past that the application of elastic buffering mechanisms in terrestrial networks brings significant advantages in terms of network effectiveness. We show that elastic buffering is an extremely effective means to reduce, or even eliminate, streaming service out…

Mobile radioService (systems architecture)Computer Networks and CommunicationsComputer scienceDelayed real time servicesMultimedia information retrievalCommunication channels (information theory)Resource sharing algorithmBuffer storageWirelessInformation retrievalWireless telecommunication systemsElectrical and Electronic EngineeringReal time streaming servicesProxy (statistics)Railroad car equipmentVehicular area networksBackbone networkInternetMobile computingVehicular ad hoc networkbusiness.industrySettore ING-INF/03 - TelecomunicazioniComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKSSatellite communication systemsElastic proxy buffer managementLocal area networksReal time systemsAlgorithms; Buffer storage; Communication channels (information theory); Information retrieval; Internet; Local area networks; Multimedia systems; Railroad car equipment; Real time systems; Satellite communication systems; Satellite links; Wireless telecommunication systems; Delayed real time services; Elastic proxy buffer management; Fast internet for fast train hosts (FIFTH); Real time streaming services; Resource sharing algorithm; Vehicular area networks; Mobile computingComputer Science ApplicationsTerminal (electronics)Fast internet for fast train hosts (FIFTH)businessSatellite linksAlgorithmsMultimedia systemsComputer network
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Detection and quantification of Streptococcus pneumoniae from Iranian patients with pneumonia and individual carriers by real time PCR

2011

The aim of this study was to develop a real time polymerase chain reaction (PCR) for quantitative detection of Streptococcus pneumoniae from clinical respiratory specimens. Initially, 184 respiratory specimens from patients with community acquired pneumonia (CAP) (n = 129) and 55 cases with hospital associated pneumonia (HAP) were bacteriologically investigated. To check the colonization status among the healthy individuals, 32 preschool and 31 adults were screened in parallel. All specimens were cultured on selective culture media to isolate S. pneumoniae, Legionella spp. and Mycoplasma spp. A 166 bp fragment corresponding to cbp A gene of S. pneumoniae was amplified from clinical specimen…

Mycoplasma pneumoniaeSettore MED/07 - Microbiologia E Microbiologia ClinicabiologyLegionellaStreptococcus pneumoniae community acquired pneumonia (CAP) real time polymerase chain reaction (PCR) choline binding protein A (cbp AMycoplasmamedicine.disease_causemedicine.diseasebiology.organism_classificationApplied Microbiology and BiotechnologyVirologyrespiratory tract diseasesMicrobiologyPneumoniaCommunity-acquired pneumoniaStreptococcus pneumoniae community acquired pneumonia (CAP) real time polymerase chain reaction (PCR) choline binding protein A (cbp A).Chlamydophila pneumoniaeStreptococcus pneumoniaeGeneticsmedicineTaqManAgronomy and Crop ScienceMolecular BiologyBiotechnology
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A digital approach for real time high-rate high-resolution radiation measurements

2014

Abstract Modern spectrometers are currently developed by using digital pulse processing (DPP) systems, showing several advantages over traditional analog electronics. The aim of this work is to present digital strategies, in a time domain, for the development of real time high-rate high-resolution spectrometers. We propose a digital method, based on the single delay line (SDL) shaping technique, able to perform multi-parameter analysis with high performance even at high photon counting rates. A robust pulse shape and height analysis (PSHA), applied on single isolated time windows of the detector output waveforms, is presented. The potentialities of the proposed strategy are highlighted thro…

PhysicsNuclear and High Energy PhysicsAnalogue electronicsSpectrometerDetectorSettore FIS/01 - Fisica SperimentalePhoton countingSettore FIS/07 - Fisica Applicata(Beni Culturali Ambientali Biol.e Medicin)Semiconductor detectorPulse (physics)Digital pulse processing Pulse height analysis Pulse shape analysis Real time processing Dead time correction Energy resolved photon countingElectronic engineeringWaveformTime domainInstrumentation
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Combining hectometric and decametric satellite observations to provide near real time decametric FAPAR product

2017

Abstract A wide range of ecological, agricultural, hydrological and meteorological applications at local to regional scales requires decametric biophysical data. However, before the launch of SENTINEL-2A, only few decametric products are produced and most of them remain limited by the small number of available observations, mostly due to a moderate revisit frequency combined with cloud occurrence. Conversely, kilometric and hectometric biophysical products are now widely available with almost complete and continuous coverage, but the associated spatial resolution limits the application over heterogeneous landscapes. The objective of this study is to combine unfrequent decametric spatial res…

Point spread functionanalyse de données010504 meteorology & atmospheric sciencesMeteorology[SDV]Life Sciences [q-bio]Real-time computingdata analysis0211 other engineering and technologiesSoil Science02 engineering and technology01 natural sciencesGEOV3Range (statistics)Landsat-8FAPARComputers in Earth Sciencestemps réelImage resolutionphotosynthetically active radiation021101 geological & geomatics engineering0105 earth and related environmental sciencesRemote sensinganalyse temporellereal timePixelrayonnement photosynthétiquement actifGeologyFunction (mathematics)15. Life on landData fusionSensor fusionDecametricHectometric13. Climate actionPhotosynthetically active radiationtime analysisEnvironmental scienceSatelliteNear real timeobservation satellite
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Toward more realistic viscosity measurements of tyre rubber–bitumen blends

2014

AbstractThe measurement of rheological properties of the tyre rubber bitumen blends is often challenging due to presence of suspended tyre rubber’s crumbs. Furthermore, the phase separation during the course of measurements makes the viscosity of these non-homogeneous blends difficult to ascertain. In this study, a new dual helical impeller was designed and manufactured to be used with a rotational viscometer in order to have a real-time control of the viscosity while performing a laboratory mixing of the blends. Layer based manufacturing techniques showed to be a convenient method to produce complex shaped impeller prototypes before manufacturing the more expensive stainless steel assembly…

Recycled tyre rubberEngineeringbituminous materials Calibration Electric discharges Impellers Manufacture Rapid prototyping Rate constants Real time control Rubber Stainless steel Tires Viscometers Viscosity Viscosity measurementViscometryMixing (process engineering)ViscosityImpellerMaterials Science(all)Natural rubberRheologyElectrical discharge machiningSettore ICAR/04 - Strade Ferrovie Ed AeroportiGeneral Materials ScienceComposite materialCivil and Structural EngineeringComplex fluidRapid prototypingbusiness.industryViscometerBuilding and ConstructionDual helical impellerShear rateRubberised bitumenvisual_artvisual_art.visual_art_mediumSettore ICAR/08 - Scienza Delle CostruzionibusinessConstruction and Building Materials
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Mboat7 down-regulation by hyper-insulinemia induces fat accumulation in hepatocytes.

2020

Background: Naturally occurring variation in Membrane-bound O-acyltransferase domain-containing 7 (MBOAT7), encoding for an enzyme involved in phosphatidylinositol acyl-chain remodelling, has been associated with fatty liver and hepatic disorders. Here, we examined the relationship between hepatic Mboat7 down-regulation and fat accumulation. Methods: Hepatic MBOAT7 expression was surveyed in 119 obese individuals and in experimental models. MBOAT7 was acutely silenced by antisense oligonucleotides in C57Bl/6 mice, and by CRISPR/Cas9 in HepG2 hepatocytes. Findings: In obese individuals, hepatic MBOAT7 mRNA decreased from normal liver to steatohepatitis, independently of diabetes, inflammatio…

Research paperTGFβ Transforming Growth Factor BetaIntracellular SpaceCRISPR Clustered Regularly Interspaced Short Palindromic RepeatshHEPS Human HepatocytesMice0302 clinical medicineLPIAT1DAG Diacylglyceroli.p. Intraperitonealmedia_commonFatty AcidsGeneral Medicine3. Good health030220 oncology & carcinogenesisHOMA-IR homeostasis Model Assessment of Insulin ResistanceMPO morpholinolcsh:Medicine (General)medicine.medical_specialtyPE Phosphatidyl-EthanolamineNashGeneral Biochemistry Genetics and Molecular Biology03 medical and health sciencesTNFα tumor Necrosis Factor AlphaLDL Low Density LipoproteinsHyperinsulinismNAFLDSD Standard Dietmedia_common.cataloged_instanceHumansCPT1 Carnitine Palmitoyltransferase IPhosphatidylinositolGene SilencingEuropean unionVLDL Very Low Density Lipoproteinlcsh:RhHSC Human Hepatic Stellate Cellsmedicine.diseaseLipid MetabolismOA Oleic AcidCI Confidence IntervalMboat7 Membrane bound O-acyltransferase domain containing 7MCD methionine choline deficient diet030104 developmental biologyEndocrinologychemistryCDP Cytidine-DiphosphateFOXO1 Forkhead Box protein O1NAFLD nonalcoholic fatty liver diseaseSteatohepatitisBMI Body Mass IndexCL CardiolipinAcyltransferases0301 basic medicineAlcoholic liver diseaseCXCL10 C-X-C Motif Chemokine 10lcsh:Medicinechemistry.chemical_compoundNon-alcoholic Fatty Liver DiseaseIFG Impaired Fasting GlucoseAPOB Apolipoprotein BNonalcoholic fatty liver diseasePIP Phosphatidyl-Inositol-PhosphateSteatohepatitisqRT-PCR quantitative Real Time Polymerase Chain ReactionMice Knockoutlcsh:R5-920ORO Oil Red O StainingPI PhosphatidylinositolFatty liverTM6SF2 Transmembrane 6 Superfamily Member 2PhospholipidTAG TriglyceridesNASH Nonalcoholic SteatohepatitisLipogenesisLPA Lyso-Phosphatidic AcidPhosphatidylinositolSignal TransductionPS Phosphatidyl-SerinePA Palmitic AcidALD alcoholic liver diseasePC Phosphatidylcholinei.v. IntravenousFATP1 Fatty Acid Transport Protein 1Models BiologicalInternal medicinemedicineAnimalsNonalcoholic fatty liver diseasePPARα Peroxisome Proliferator-Activated Receptor alphaObesityG3P Glyceraldehyde-3-PhosphateSREBP1c Sterol Regulatory Element-Binding Protein 1HDL High Density Lipoproteinsbusiness.industryPI3K Phosphatidylinositol 3 KinaseMembrane ProteinsNHEJ Non-Homologues End JoiningPNPLA3 Patatin-like Phospholipase Domain-containing-3MTTP Microsomal Triglyceride Transfer ProteinLPIAT1 Lysophosphatidylinositol Acyltransferase 1TMC4 Transmembrane Channel-Like 4Disease Models AnimalGene Expression RegulationHepatocytesFOXA2 Forkhead Box A2mTOR mammalian target of RapamycinSteatosisInsulin ResistancebusinessPG Phosphatidyl-GlycerolFABP1 Fatty Acid-Binding Protein 1 FAS Fatty Acid SynthaseT2DM Type 2 Diabetes MellitusEBioMedicine
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AUTOPHAGY AND APOPTOSIS MODULATION BY AQUEOUS EXTRACTS FROM LEAVES AND RHIZOMES OF Posidonia oceanica ON HEPG2 HEPATOCARCINOMA CELLS

2023

Settore CHIM/10 - Chimica Degli Alimenticell biology caspases LC3 Beclin-1 p62/SQSTM1 hsp60 BCL2 BAX BAD FOS JUN DAPK western blot flow cytometry real time PCR acidic vesicular organelles annexin bindingSettore BIO/05 - ZoologiaSettore BIO/06 - Anatomia Comparata E Citologia
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VIRTUAL REALITY FOR URBAN PLANNING. THE PORT OF PALERMO: PAST, PRESENT AND FUTURE

2020

Virtual reality is proving to be an interesting tool for the visualization of 3d models developed for urban planning. It allows not only interactive visualization, but also the possibility of inserting analogical and informative contents. The case study relates to the development of a 3D model viewable in virtual reality of the Port of Palermo area, of great urban, historical and logistical interest. The system allows the visualization of its current state, historical emergencies and future developments, as well as the comparison between existing services and those planned in the reconfiguration project.

Settore ICAR/17 - DisegnoSettore ICAR/21 - UrbanisticaUrban Planning urban 3d model virtual reality real time rendering.
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