Browsing ICT - Artigos by Issue Date
Now showing items 1-20 of 406
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Information System for Epidemic Control: a computational solution addressing successful experiences and main challenges
(Emerald Publishing Limited, 22-03-21)Purpose: The SARS-CoV-2 pandemic has caused a major impact on worldwide public health and economics. The lessons learned from the successful attempts to contain the pandemic escalation revealed that the wise usage of contact ...
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Crystallisation of melt-spun Al-Fe-Nd-Cu alloys
(Trans Tech Publications Ltd, 2000-01-01)Many high-strength Al-based alloys have been developed recently after it was found that for certain composition range, crystallisation from amorphous alloys could lead to a composite structure consisting of primary ...
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A new strategy for direct measurement of sinus atrial conduction time by sinus node threshold determination in a rat-isolated atrium
(Iop Publishing Ltd, 2007-01-01)In this work we have searched for experimental evidence that would corroborate the idea that nodal threshold (NT) is the minimum electric field strength able to promote direct sinus node reset that, in turn, can be verified ...
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A genetic symbiotic algorithm applied to the one-dimensional cutting stock problem
(Sociedade Brasileira de Pesquisa Operacional, 2009-08-01)This work presents a genetic symbiotic algorithm to minimize the number of objects and the setup in a one-dimensional cutting stock problem. The algorithm implemented can generate combinations of ordered lengths of stock ...
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O problema de corte de estoque unidimensional multiperíodo
(Sociedade Brasileira de Pesquisa Operacional, 2010-04-01)The Multiperiod Cutting Stock Problem arises embedded in the production planning and programming in many industries which have a cutting process as an important stage. Ordered items have different due date over a finite ...
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Low-Level Laser Therapy Associated to N-Acetylcysteine Lowers Macrophage Inflammatory Protein-2 (MIP-2) mRNA Expression and Generation of Intracellular Reactive Oxygen Species in Alveolar Macrophages
(Mary Ann Liebert Inc, 2010-12-01)Objective: the aim of this work was to investigate the low-level laser therapy (LLLT) effect on alveolar macrophages (AM) activated by oxidative stress and lipopolysaccharide (LPS). Background data: LLLT has been reported ...
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Influence of Domain Switching and Domain Wall Bending on the Electrical Permittivity of PZT Thin Films
(Taylor & Francis Ltd, 2011-01-01)The electrical permittivity dependence on the electric bias field was investigated in Pb(Zr-0.53, Ti-0.47)O-3 films. the results revealed the existence of two mechanisms contributing to the permittivity. the first one was ...
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Selecting salient objects in real scenes: An oscillatory correlation model
(Elsevier B.V., 2011-01-01)Attention is a critical mechanism for visual scene analysis. By means of attention, it is possible to break down the analysis of a complex scene to the analysis of its parts through a selection process. Empirical studies ...
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Porous stainless steel for biomedical applications
(ABM, ABC, ABPol, 2011-01-01)Porous 316L austenitic stainless steel was synthesized by powder metallurgy with relative density of 0.50 and 0.30 using 15 and 30 wt. (%) respectively of ammonium carbonate and ammonium bicarbonate as foaming agents. The ...
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Evolutionary model trees for handling continuous classes in machine learning
(Elsevier B.V., 2011-03-01)Model trees are a particular case of decision trees employed to solve regression problems. They have the advantage of presenting an interpretable output, helping the end-user to get more confidence in the prediction and ...
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Low-level laser therapy (LLLT) acts as cAMP-elevating agent in acute respiratory distress syndrome
(Springer, 2011-05-01)The aim of this work was to investigate if the low-level laser therapy (LLLT) on acute lung inflammation (ALI) induced by lipopolysaccharide (LPS) is linked to tumor necrosis factor (TNF) in alveolar macrophages (AM) from ...
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Assessing the solvation mechanism of C-60(OH)(24) in aqueous solution
(Elsevier B.V., 2011-05-09)Using molecular dynamics simulations, combined with the thermodynamic integration algorithm, we examine the hydration mechanism of C-60(OH)(24) under ambient conditions. We analyze its structural features, dynamics, and ...
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Biochemical characterization of a protein tyrosine phosphatase from Trypanosoma cruzi involved in metacyclogenesis and cell invasion
(Elsevier B.V., 2011-05-13)Protein tyrosine phosphatases (PTPs) form a large family of enzymes involved in the regulation of numerous cellular functions in eukaryotes. Several protein tyrosine phosphatases have been recently identified in trypanosomatides. ...
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Effect of itaconic acid on the wet scrub resistance of highly pigmented paints for architectural coatings
(Springer, 2011-07-01)This study investigates the influence of carboxylic monomers, such as itaconic acid (IA), on the colloidal properties of the latexes made by semi-continuous emulsion copolymerization of styrene (STy) with n-butyl acrylate ...
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A pointcut-based coverage analysis approach for aspect-oriented programs
(Elsevier B.V., 2011-07-01)Aspect-oriented programming (AOP) is a promising technology that supports separation of crosscutting concerns (i.e., functionality that tends to be tangled with, and scattered through the rest of the system). in AOP, a ...
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Dual Effect of Low-Level Laser Therapy (LLLT) on the Acute Lung Inflammation Induced by Intestinal Ischemia and Reperfusion: Action on Anti- and Pro-Inflammatory Cytokines
(Wiley-Blackwell, 2011-07-01)Background and Objective: It is unknown if pro-and anti-inflammatory mediators in acute lung inflammation induced by intestinal ischemia and reperfusion (i-I/R) can be modulated by low-level laser therapy (LLLT).Study ...
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Ultrasonic inspection of AA6013 laser welded joints
(ABM, ABC, ABPol, 2011-09-01)Interest in laser beam welding for aerospace applications is continuously growing, mainly for aluminum alloys. The joints quality is usually assessed by non-destructive inspection (NDI). In this work, bead on plate laser ...
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CHEST and NECK MOBILIZATION EFFECTS ON SPIROMETRIC RESPONSES in HEALTHY SUBJECTS
(Elsevier B.V., 2011-11-01)Objectives: in this observational study, we evaluated the effects of chest and neck mobilization on spirometric parameters in healthy subjects.Methods: We conducted an observational, quantitative, and experimental study ...
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Effect of incoherent LED radiation on third-degree burning wounds in rats
(Informa Healthcare, 2011-12-01)The main physiological characteristics in a burn process are the increase of the capillary permeability and the occurrence of edema and exudation. Light-emitting diode (LED) has been proposed as treatment of burning. This ...
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Si-tricalcium phosphate cement: preparation, characterization and bioactivity in SBF
(ABM, ABC, ABPol, 2011-12-01)There are evidences considering the effectiveness of Si on enhancing biological properties of calcium phosphates; however, there are not many works relating to the Si-alpha-TCP bone cement. The influence of silicon doping ...