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News: EEC budget is approved seven months late, Latest pamphlets Religious beliefs of Elgar, The Times Cook Separate ways with eggs, Kidnap victim is ...
1980 - Gale Group | TDA
José Pinto, Pedro Calado, José Braga, Paulo Sousa Dias, Ricardo Martins, Eduardo R. B. Marques, João Borges de Sousa,
This paper describes the layered control architecture and its software implementation developed and used at the Underwater Systems and Technology Laboratory. The architecture is implemented as a toolchain which consists on three main entities: DUNE onboard software, Neptus command and control software and a common IMC message-based communication protocol. The LSTS software toolchain has been tested throughout various field deployments where it was used to control heterogeneous autonomous vehicles ...
Tópico(s): Adaptive Control of Nonlinear Systems
2012 - Elsevier BV | IFAC Proceedings Volumes
Produção Nacional
Revisado por pares
Rogério Antônio Xavier Nunes, Vilma C. Costa, Verônica Calado, José Roberto Tavares Branco,
The effects of combustion thermal spraying parameters namely combustion pressure, feeding rate, and carrier gas on the wear resistance, friction coefficient, and Knoop hardness of poly (ethylene terephthalate) (PET) films were investigated. The PET coatings were characterized by measuring the wear coefficients by calowear-type testing, the friction coefficients by a pin-on-disk test, and Knoop hardness. The abrasive wear and friction coefficients of the coatings were compared with the values of a ...
Tópico(s): Flame retardant materials and properties
2009 - Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímer | Materials Research
Alexandre Calapez, Henrique M. Pereira, Ângelo Calado, José Braga, José Rino, Célia Carvalho, João Paulo Tavanez, Elmar Wahle, Agostinho Rosa, Maria Carmo‐Fonseca,
fAter being released from transcription sites, messenger ribonucleoprotein particles (mRNPs) must reach the nuclear pore complexes in order to be translocated to the cytoplasm. Whether the intranuclear movement of mRNPs results largely from Brownian motion or involves molecular motors remains unknown. Here we have used quantitative photobleaching techniques to monitor the intranuclear mobility of protein components of mRNPs tagged with GFP. The results show that the diffusion coefficients of the ...
Tópico(s): Genomics and Chromatin Dynamics
2002 - Rockefeller University Press | The Journal of Cell Biology
Alberto Leal, Vitorina Passão, Eulália Calado, José Pedro Vieira, João Paulo Silva Cunha,
Objective: The epilepsy associated with the hypothalamic hamartomas constitutes a syndrome with peculiar seizures, usually refractory to medical therapy, mild cognitive delay, behavioural problems and multifocal spike activity in the scalp electroencephalogram (EEG). The cortical origin of spikes has been widely assumed but not specifically demonstrated. Methods: We present results of a source analysis of interictal spikes from 4 patients (age 2–25 years) with epilepsy and hypothalamic hamartoma, ...
Tópico(s): Epilepsy research and treatment
2002 - Elsevier BV | Clinical Neurophysiology
Rita Calado, José Paulo Monteiro, Maria José Fonseca,
Abstract Aim: Review of transient idiopathic dystonia cases to improve knowledge on this entity, in relation to frequency, characterization and evolution. Methods: Retrospective review and characterization of clinical cases seen in paediatric neurology consultation, diagnosed with transient idiopathic dystonia, between February 2001 and June 2009, using clinical files complemented with photographic records and updated information through the physician. Results: Thirteen infants were referred to ...
Tópico(s): Neurological disorders and treatments
2010 - Wiley | Acta Paediatrica
Produção Nacional
Revisado por pares
A. L. F. S. d’Almeida, Daniel Weingart Barreto, Verônica Calado, José Roberto Moraes d’Almeida,
Tópico(s): Lignin and Wood Chemistry
2007 - Springer Science+Business Media | Journal of Thermal Analysis and Calorimetry
Pedro Borrego, Rita Calado, José Maria Marcelino, Inês Bártolo, Cheila Rocha, Patrícia Cavaco‐Silva, Manuela Doroana, Francisco Antunes, Fernando Maltêz, Umbelina Caixas, Helena Barroso, Nuno Taveira,
Background The baseline susceptibility of primary HIV-2 to maraviroc (MVC) and other entry inhibitors is currently unknown. Methods The susceptibility of 19 HIV-2 isolates obtained from asymptomatic and AIDS patients and seven HIV-1 clinical isolates to the fusion inhibitors enfuvirtide (ENF) and T-1249, and to the coreceptor antagonists AMD3100, TAK-779 and MVC, was measured using a TZM-bl cell-based assay. The 50% inhibitory concentration (IC 50 ), 90% inhibitory concentration (IC 90 ) and dose–response ...
Tópico(s): HIV/AIDS Research and Interventions
2011 - SAGE Publishing | Antiviral Therapy
Produção Nacional
Revisado por pares
A. L. F. S. d’Almeida, Daniel Weingart Barreto, Verônica Calado, José Roberto Moraes d’Almeida,
A derivatization treatment aimed to reduce the hydrophilic behaviour of sponge gourd (Luffa cylindrica) fibres is described. The effect of the treatment on the chemical composition, surface morphology and thermal stability of the fibres was analysed. FT-IR results show that the polarity of the fibres was reduced, although the acetylation reaction did not go to completion. SEM analysis showed that the surface roughness of the fibres was increased by the treatment due to the removal of the outer surface ...
Tópico(s): Electromagnetic wave absorption materials
2006 - SAGE Publishing | Polymers and Polymer Composites
João Paulo Tavanez, Patrícia Calado, José Braga, Miguel Lafarga, Maria Carmo‐Fonseca,
A broad range of degenerative diseases is associated with intracellular inclusions formed by toxic, aggregation-prone mutant proteins. Intranuclear inclusions constitute a pathological hallmark of oculopharyngeal muscular dystrophy (OPMD), a dominantly inherited disease caused by (GCG) repeat expansions in the gene that encodes for nuclear poly(A) binding protein (PABPN1). The mutation results in an extended polyalanine stretch that has been proposed to induce protein aggregation and formation of intranuclear ...
Tópico(s): RNA Research and Splicing
2005 - Cold Spring Harbor Laboratory Press | RNA
Produção Nacional
Revisado por pares
Ricardo França Furtado da Costa, A.P. Rebolledo, Túlio Matencio, Hállen Daniel Rezende Calado, José D. Ardisson, María Esperanza Cortés, Bernardo L. Rodrigues, Heloísa Beraldo,
Complexes of 2-benzoylpyridine thiosemicarbazone (H2Bz4DH) as well as of its N(4)-methyl (H2Bz4Me) and N(4)-phenyl (H2Bz4Ph) analogues with iron(II), nickel(II) and zinc(II) were characterized by a variety of spectroscopic techniques. Electrochemical studies revealed that the iron(II) complexes undergo oxidation giving the iron(III) analogues, which could be reduced back by cellular thiols such as thioredoxine, suggesting that this process could occur in biological media. The thiosemicarbazones have ...
Tópico(s): Organometallic Compounds Synthesis and Characterization
2005 - Taylor & Francis | Journal of Coordination Chemistry
J. M. F. Calado, José Sá da Costa, Michał Bartyś, Józef Korbicz,
A computer-assisted fault detection and isolation (FDI) based on a fuzzy qualitative simulation algorithm used for fault detection purposes, coupled with a hierarchical structure of fuzzy neural networks used to perform the fault isolation task, is presented. The DAMADICS benchmark actuator system has been used as test bed of the current FDI system. Single abrupt and incipient faults, as well as multiple simultaneous faults have been considered to test the overall system robustness. The results obtained ...
Tópico(s): Rough Sets and Fuzzy Logic
2005 - Elsevier BV | Control Engineering Practice
Sofia Calado, José Vale-Santos, Carlos José Mota de Lima, Miguel Viana‐Baptista,
Tópico(s): Intracranial Aneurysms: Treatment and Complications
2004 - Karger Publishers | Cerebrovascular Diseases
Pedro Borrego, Rita Calado, José Maria Marcelino, Patricia Marques Pereira, Alexandre Quintas, Helena Barroso, Nuno Taveira,
Objectives: To produce new fusion inhibitor peptides for HIV-1 and HIV-2 based on ancestral envelope sequences. Methods: HIV-2/simian immunodeficiency virus (SIV) ancestral transmembrane protein sequences were reconstructed and ancestral peptides were derived from the helical region 2 (HR2). The activity of one ancestral peptide (named P3) was examined against a panel of HIV-1 and HIV-2 primary isolates in TZM-bl cells and peripheral blood mononuclear cells and compared to T-20. Peptide secondary structure ...
Tópico(s): Bacteriophages and microbial interactions
2013 - Lippincott Williams & Wilkins | AIDS
Walter Caharija, Kristin Y. Pettersen, Pedro Calado, José Braga,
This paper presents a quantitative comparison between two popular guidance laws for straight line path-following purposes of autonomous marine vehicles: the integral line-of-sight (ILOS) guidance law and the vector field (VF) guidance law. The comparison is based on experimental results and the cross track error measurements as well as the servo command signals are considered in the analysis. Both the guidance schemes are applied to the underactuated LAUV vehicle in the same environmental conditions ...
Tópico(s): Guidance and Control Systems
2015 - Elsevier BV | IFAC-PapersOnLine
Rita Pinto, S.J.P.S. Mariano, M.R.A. Calado, José de Souza,
Photovoltaic (PV) generation systems have been increasingly used to generate electricity from renewable sources, attracting a growing interest. Recently, grid connected PV micro-generation facilities in individual homes have increased due to governmental policies as well as greater attention by industry. As low voltage (LV) distribution systems were built to make energy flow in one direction, the power feed-in of PV generation in rural low-voltage grids can influence power quality (PQ) as well as facility ...
Tópico(s): Photovoltaic System Optimization Techniques
2016 - Multidisciplinary Digital Publishing Institute | Energies
Alberto Leal, Eulália Calado, José Pedro Vieira, Carla Mendonça, José C. Ferreira, Hugo Alexandre Ferreira, Daniel Carvalho, Fátima Furtado, Roseli Gomes, José Paulo Monteiro,
Early neonatal thalamic lesions account for about 14% of continuous spike-wave of sleep (CSWS) syndrome, representing the most common etiology in this epileptic encephalopathy in children, and promise useful insights into the pathophysiology of the disease.We describe nine patients with unilateral neonatal thalamic lesions which progressed to CSWS. Longitudinal whole-night and high-density electroencephalograms (EEGs) were performed, as well as detailed imaging and clinical evaluation. Visual evoked ...
Tópico(s): Sleep and Wakefulness Research
2017 - Elsevier BV | Epilepsy & Behavior
Ricardo Velho, Miguel Duarte Beirão, M.R.A. Calado, José Pombo, João Fermeiro, S.J.P.S. Mariano,
Among the wide diversity of existing technologically mature batteries, lithium-ion (Li-ion) batteries have become popular because of their longevity, high energy density, high efficiency and lack of memory effect. Differential charging of cells with age has turned balancing management systems into an important research subject. This paper proposes a new battery management system (BMS) to improve the capacity usage and lifespan of large Li-ion battery packs and a new charging algorithm based on the ...
Tópico(s): Electric Vehicles and Infrastructure
2017 - Multidisciplinary Digital Publishing Institute | Energies
Pedro Bento, S.J.P.S. Mariano, M.R.A. Calado, José Pombo,
The ongoing COVID-19 pandemic has established itself has one of the biggest health crises facing humanity. Countries all around the world were forced to adopt unprecedented restrictive measures in order to halt the spread of the virus and safeguard public health. These measures have profoundly changed the way of life and severely affected practically all sectors of activity, with major demand and supply shocks, leading to one of the largest recessions in world history. An essential pillar to the ...
Tópico(s): Energy and Environment Impacts
2021 - Elsevier BV | Energy Reports
Produção Nacional
Revisado por pares
Marjorie Cornejo Pontelli, Ítalo A. Castro, Ronaldo B. Martins, Leonardo La Serra, Flávio P. Veras, Daniele C. Nascimento, Camila M. Silva, Ricardo S. Cardoso, Roberta Costa, Rogério Gomes, Thais M. Lima, Juliano P. Souza, Brenda Cristina Vitti, Diego B. Caetité, Mikhael Haruo Fernandes de Lima, Spencer Stumpf, Cassandra E. Thompson, Louis-Marie Bloyet, Juliana E. Toller-Kawahisa, Marcela C Giannini, Letícia Pastorelli Bonjorno, Maria Isabel Fernandes Lopes, Sabrina Setembre Batah, Li Siyuan, Rodrigo Luppino Assad, Sérgio C. L. Almeida, Fabíola Reis de Oliveira, Maíra Nilson Benatti, Lorena Lôbo Figueiredo-Pontes, Rodrigo de Carvalho Santana, Fernando Crivelenti Vilar, Maria Auxiliadora‐Martins, Pei‐Yong Shi, Thiago M. Cunha, Rodrigo T. Calado, José C. Alves‐Filho, Dario S. Zamboni, Alexandre Todorovic Fabro, Paulo Louzada‐Júnior, Renê Donizeti Ribeiro de Oliveira, Sean P. J. Whelan, Fernando Q. Cunha, Eurico Arruda,
Abstract The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is associated with a hyperinflammatory state and lymphocytopenia, a hallmark that appears as both signature and prognosis of disease severity outcome. Although cytokine storm and a sustained inflammatory state are commonly associated with immune cell depletion, it is still unclear whether direct SARS-CoV-2 infection of immune cells could also play a role in this scenario by harboring viral replication. We found that ...
Tópico(s): Long-Term Effects of COVID-19
2022 - Oxford University Press | Journal of Molecular Cell Biology
Maria Acevedo-Calado, José Luis Caro-Oleas, A. Álvarez-Márquez, José Manuel Sobrino, Ernesto Lage-Gallé, Isabel Aguilera, Antonio Núñez‐Roldán,
Cardiac allograft vasculopathy (CAV) is the most serious long-term complication after cardiac transplantation. T-cell-mediated immune response has been implicated as the central mechanism for this form of graft rejection, but the role of humoral immunity is still controversial.This study investigated whether human leukocyte antigen (HLA) and non-HLA antibodies are associated with CAV and if their presence can be used to identify patients at high risk of developing CAV. Diagnosis of CAV was made by ...
Tópico(s): RNA Interference and Gene Delivery
2011 - Elsevier BV | The Journal of Heart and Lung Transplantation
José Calado Barros, José Godinho Calado, Gottlieb Basch, Mário José Carvalho,
Abstract A study was carried out over a two year period (2009/2010 and 2012/2013) on an experimental farm in the Alentejo region (Beja), in southern Portugal where rainfed malt barley (Hordeum distichum L.) is sown at the end of autumn or beginning of winter (November- December). The aim of this experiment was to study the efficiency of the herbicide iodosulfuron-methyl-sodium to control post-emergence broadleaved weeds in this cereal crop. The malt barley crop was established using no-till farming. ...
Tópico(s): Pesticide and Herbicide Environmental Studies
2016 - De Gruyter Open | Journal of Plant Protection Research
Elisa Martín‐Montañez, Juan F. López‐Téllez, Maria Acevedo-Calado, José Pavı́a, Zafar U. Khan,
Several gene delivery reagents were analyzed for their transfection efficiency. Genes studied belonged to the class of mammalian proteins termed regulators of G-protein signaling (RGS), ranged in size up to 2.2 Kb long and were transfected into the NG108-15, SH-SY5Y and CHO-K1 cell lines. Prior to transfection, genes were cloned into a nonviral vector pcDNA 6.2/EmGFP, so as to express a green fluorescent protein tag at the 3' end. Flow cytometry was used to analyze cell fluorescent activity and thereby ...
Tópico(s): Advanced biosensing and bioanalysis techniques
2010 - Thomson Reuters | Methods and Findings in Experimental and Clinical Pharmacology
Nuno Martins Marques Canas, Sofia Lopes Calado, José Vale,
Neurocysticercosis (NCC) is the most frequent parasitic infection of the central nervous system, and its prevalence is high in Portugal. Spinal involvement is rare, only occurring in between 1 and 5% of cases, and causes many problems when it comes to its diagnosis and treatment. Spinal leptomeningeal NCC is particularly difficult to treat, especially if associated to arachnoiditis. We report a case of NCC with spinal leptomeningeal involvement associated to extensive arachnoiditis, in which the ...
Tópico(s): Spinal Dysraphism and Malformations
2005 - Viguera Publishers | Revista de Neurología
José Luis Caro-Oleas, María Francisca González‐Escribano, S. Toro-Llamas, Maria Acevedo-Calado, Maria José Martinez‐Bravo, Isabel Aguilera, Antonio Núñez‐Roldán,
Luminex bead-based assays are routinely used in the study of anti-human leukocyte antigen (HLA) donor-specific antibodies (DSA). Single antigen (SA) assays use beads coated with recombinant antigens whereas Luminex crossmatch (Xm-DSA) tests consist of beads coated with isolated donor-specific HLA molecules. The aim of this study was to compare these techniques used to detect DSA. A total of 24 sera recognizing different HLA class I (seven anti-HLA-A and seven anti-HLA-B) as well as class II (seven anti- ...
Tópico(s): Complement system in diseases
2010 - Wiley | Tissue Antigens
Francisco Gutierres, Ágatha Gil, Eusébio Reis, Agustín Lobo, Carlos Neto, Helena Calado, José Carlos Costa,
Gutierres, F.; Gil, A.; Reis, E.; Lobo, A.; Neto, C ; Calado, H. and Costa, J.C. 2011. Acacia saligna (La bill.) H. Wendl in the Sesimbra Council: Invaded habitats and potential distribution modeling. Journal of Coastal Research, SI 64 (Proceedings of the 11th Internation al Coastal Symposium), pg ‐ pg. Szczecin, Poland, IS SN 0749-0208 The aim of this study is to establish the spatial p attern of colonization and spread of Acacia saligna by predictive modeling, susceptibility evaluation and to perform ...
Tópico(s): Land Use and Ecosystem Services
2011 - Coastal Education and Research Foundation | Journal of Coastal Research
Quirina Santos‐Costa, Maria Manuel Lopes, Marta Calado, José Miguel Azevedo‐Pereira,
Human immunodeficiency virus 1 and 2 (HIV-1 and HIV-2) use cellular receptors in distinct ways. Besides a more promiscuous usage of coreceptors by HIV-2 and a more frequent detection of CD4-independent HIV-2 isolates, we have previously identified two HIV-2 isolates (HIV-2MIC97 and HIV-2MJC97) that do not use the two major HIV coreceptors: CCR5 and CXCR4. All these features suggest that in HIV-2 the Env glycoprotein subunits may have a different structural organization enabling distinct - although probably ...
Tópico(s): HIV/AIDS drug development and treatment
2014 - BioMed Central | Retrovirology
António O. Soares, Hugo Renato Calado, José Carlos Franco, A. M. Franquinho Aguiar, Miguel M. Andrade, Vera Zina, Olga M. C. C. Ameixa, Isabel Borges, Alexandra Magro,
A comprehensive annotated checklist of the ladybeetle species of Portugal, including the Azores and Madeira archipelagos, is presented. The Coccinellidae fauna comprises a total of 101 species: 83 from the Mainland, 39 from Madeira, and 32 from the Azores. The listed species are distributed among 2 sub-families and 13 tribes: within the subfamily Microweiseinae, Madeirodulini (1 species), Serangiini (2 species), and within the subfamily Coccinellinae, Azyini (1 species), Chilocorini (4 species), Coccidulini ( ...
Tópico(s): Insect Pest Control Strategies
2021 - Pensoft Publishers | ZooKeys
José Calado, Gottlieb Basch, Mário Carvalho,
In general, effective weed control in no-tillage systems is based on the use of herbicides. However, the development of appropriate weed management strategies can help to reduce the amount of herbicides applied. In this study weed management in common wheat under no-till was analyzed. The experiment was carried out under Mediterranean conditions on a Luvisol, during two growing seasons (1996/1997 and 1999/2000). A split-plot design with four replications was used. The main plot was weed emergence ...
Tópico(s): Agronomic Practices and Intercropping Systems
2009 - Elsevier BV | Crop Protection
A. V. Carvalhal, Sónia Sá Santos, José Calado, Matthias Haury, Manuel J.T. Carrondo,
Abstract Arresting cell growth and thus decreasing cell division potentially lessens the chance for genetic drift in the cell population; this would be of utmost importance for the consistent production of biopharmaceuticals during long periods. The drawback of the addition of well‐known synchronizing agents, such as chemotherapeutics, is that they cause a disproportionate accumulation of cellular constituents, leading to cell death. The use of compounds that are naturally synthesized by the cell, ...
Tópico(s): Neurogenetic and Muscular Disorders Research
2003 - American Chemical Society | Biotechnology Progress