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... Caught in a Fix The Boro defender Abel Xavier 'tested positive for a banned steroid' The banned ... of his brain on LSD. But at 58, Carlos Santana isn't just a 1960s relic: stars ...
2005 - Gale Group | Sunday Times HA GDA
... doi.org/10.1890/06-0896Juan Manuel Pleguezuelos, Xavier Santos, José Carlos Brito, Xavier Parellada, Gustavo Adolfo Llorente, Soumia Fahd Reproductive ecology ...
Tópico(s): Amphibian and Reptile Biology
1979 - University of Chicago Press | The American Naturalist
Juan M. Pleguezuelos, Xavier Santos, José Carlos Brito, Xavier Parellada, Gustavo A. Llorente, Soumía Fahd,
Eurosiberian vipers have been considered model organisms, and studies on their reproductive ecology have afforded much of the current knowledge concerning viviparity in snakes. However, such studies are biased towards northern species and there is little information on Mediterranean species and/or populations. The reproductive ecology of Vipera latastei in the Iberian Peninsula was studied by analysing a large sample of specimens from collections, to better understand the conservation status of ...
Tópico(s): Animal Behavior and Reproduction
2006 - Elsevier BV | Zoology
Produção Nacional
Revisado por pares
L.A.L. Basilio, Francis Xavier, José Carlos Calado Sales Júnior, Jean Carlos Silva Andrade, José Anglada Rivera, L. Aguilera, R.S. Silva, J. Rodríguez‐Hernández, Javier Perez de Cruz, Y. Leyet,
Sodium titanate Na 2 Ti n O 2n+1 (2 ≤ n ≤ 9) is a well-known semiconductor that exhibits interesting electrical properties allowing numerous applications, such as: electrodes for solid-state batteries. In this work, we reported a novel, fast and simple route to produce sodium titanate (Na 2 Ti 3 O 7 - NT) structures at low temperature and short time, by using microwave-assisted hydrothermal method . The NT powder synthesis was performed at 200 °C for 1 h and 4 h. Afterward, the as-synthetized powders were ...
Tópico(s): Chemical Synthesis and Characterization
2020 - Elsevier BV | Ceramics International
Xavier Santos, José Carlos Brito, Neftalí Sillero, Juan M. Pleguezuelos, Gustavo A. Llorente, Soumía Fahd, Xavier Parellada,
Some snakes are highly vulnerable to extinction due to several life history traits. However, the elusive behavior and secretive habits of some widespread species constrain the collection of demographic and ecological data necessary for the identification of extinction-prone species. In this scenario, the enhancement of ecological modelling techniques in Geographical Information Systems (GIS) is providing researchers with robust tools to apply to such species. This study has identified the environmental ...
Tópico(s): Amphibian and Reptile Biology
2006 - Elsevier BV | Biological Conservation
Xavier Santos, José Carlos Brito, Jesús Caro, Antonio J. Abril, Marcial Lorenzo, Neftalí Sillero, Juan M. Pleguezuelos,
During the Pleistocene, climatic fluctuations due to glacial and interglacial periods greatly modified the distribution of boreal organisms. One direct effect of these distribution shifts is that, along the southern edge of the range of some boreal species, populations persist only in isolated patches of suitable habitats, surrounded by less suitable areas. Isolated populations in marginal habitat are vulnerable to several threats, including climate change, anthropogenic threats, and stochastic ...
Tópico(s): Amphibian and Reptile Biology
2008 - Elsevier BV | Biological Conservation
Xavier Santos, José Carlos Brito, Juan M. Pleguezuelos, Gustavo A. Llorente,
Abstract The conservation status of the snake fauna of a given region or territory is often hard to estimate due the secretive habits of these animals, as well as of the lack of long-term demographic studies and generally low population densities. We examined the conservation status of the snakes from the Iberian Peninsula by applying two complementary methods. The first method, created by Filippi and Luiselli for a study of the Italian snakes conservation status, takes into account the ecological ...
Tópico(s): Turtle Biology and Conservation
2007 - Brill | Amphibia-Reptilia
Xavier Parellada, Soumía Fahd, Xavier Santos, José Carlos Brito, Gustavo A. Llorente, Juan M. Pleguezuelos,
Abstract The Lataste's viper Vipera latastei is a medium-sized viper distributed throughout almost the entire Iberian Peninsula and north-west of Africa. Former morphological studies noted the existence of two subspecies, V. l. gaditana and V. l. latastei, as well as a full species, V. monticola, in the High Atlas, corresponding to the prior overall range described for V. latastei. However, some results remained unclear in these former studies, e.g. the specific status of the Medium Atlas populations, ...
Tópico(s): Bat Biology and Ecology Studies
2006 - Brill | Amphibia-Reptilia
Fernando Martínez‐Freiría, Inês Freitas, Guillermo Velo‐Antón, Nahla Lucchini, Soumía Fahd, Saïd Larbes, Juan M. Pleguezuelos, Xavier Santos, José Carlos Brito,
Modern taxonomy relies on the unified species concept and integrative approaches to delimit evolutionary coherent taxa. The western Mediterranean vipers within the Vipera latastei–monticola complex (Vipera latastei and Vipera monticola) have a rather old taxonomic history marked by the prevalence of morphological criteria in the recognition of taxonomic units. Recent phylogenetic inferences, however, contradict this taxonomic scenario, highlighting the need of integrative studies to properly evaluate ...
Tópico(s): Bat Biology and Ecology Studies
2021 - Wiley | Journal of Zoological Systematics & Evolutionary Research
Produção Nacional
Revisado por pares
Oswaldo Paulo Forattini, Eduardo Olavo da Rocha e Silva, Ernesto Xavier Rabello, José Carlos Rehder de Andrade, Vera Lúcia C. Correia Rodrigues,
Relata-se a pesquisa da tripanossomíase, na sua feição enzoótica doméstica, em áreas onde a transmissão pelo Triatoma infestans encontra-se interrompida há, pelo menos, 6 (seis) anos. O encontro de cães positivos, embora com baixa prevalência (0,3%), foi associado à presença local de populações de Panstrongylus megistus e de marsupiais Didelphis, com franca tendência à domiciliação. O levantamento desse quadro enzoótico da zoonose, revelou-se assim como elemento útil na vigilância epidemiológica.
Tópico(s): Parasites and Host Interactions
1978 - UNIVERSIDADE DE SÃO PAULO | Revista de Saúde Pública
Produção Nacional
Revisado por pares
Juçara Xavier Zaparoli, José Carlos Fernandes Galduróz,
Smoking is a very common addiction and is associated with several kinds of diseases including different forms of cancer. Nicotine is the only substance present in cigarettes that can cause dependence. There are pharmacological treatments available to smoking cessation, but all of them are associated with side effects and low efficacy. Therefore, the development of new strategies and treatments is necessary. A possibility is the supplementation with polyunsaturated fatty acids (PUFAs) of the omega ...
Tópico(s): Nicotinic Acetylcholine Receptors Study
2012 - Elsevier BV | Medical Hypotheses
G. Catalanotti, P.P. Camanho, José Xavier, Carlos G. Dávila, António Torres Marques,
This paper presents a new methodology to measure the crack resistance curves associated with fiber-dominated failure modes in polymer–matrix composites. The crack resistance curves not only characterize the fracture toughness of the material, but are also the basis for the identification of the parameters of the softening laws used in the numerical simulation of fracture in composite materials. The proposed method is based on the identification of the crack tip location using Digital Image Correlation ...
Tópico(s): Composite Material Mechanics
2010 - Elsevier BV | Composites Science and Technology
Produção Nacional
Revisado por pares
Valéria Xavier de Oliveira Apolinário, José Carlos Batista Dubeux, M. A. Lira, Everardo Valadares de Sá Barretto Sampaio, SILVANIA O. DE AMORIM, Nalígia Gomes de Miranda e Silva, James P. Muir,
Legumes contribute to pasture sustainability through symbiotic N 2 fixation, which may increase primary productivity and animal performance in low‐input systems. Litterfall is the main way of cycling nutrients from tree legumes. We quantified gliricidia [ Gliricidia sepium (Jacq.) Kunth ex Walp.] and sabiá ( Mimosa caesalpiniifolia Benth) litter deposition, along two 336‐d cycles, in a signalgrass ( Brachiaria decumbens Stapf.) pasture. Litterfall was produced throughout the year but concentrated in the ...
Tópico(s): Ruminant Nutrition and Digestive Physiology
2016 - Wiley | Agronomy Journal
Produção Nacional
Revisado por pares
Ana María Herrera-Angulo, Alexandre Carneiro Leão de Mello, Valéria Xavier de Oliveira Apolinário, José Carlos Batista Dubeux, Valdson José da Silva, Mércia Virgínia Ferreira dos Santos, Márcio Vieira da Cunha,
Tópico(s): Agronomic Practices and Intercropping Systems
2020 - Springer Science+Business Media | Agroforestry Systems
Xavier Santos, Juan M. Pleguezuelos, José Carlos Brito, Gustavo A. Llorente, Xavier Parellada, Soumía Fahd,
Species that inhabit regions with highly contrasting environmental conditions often exhibit geographic variation in diet as a consequence of differences in prey availability among populations. The Lataste's viper Vipera latastei is an ambush predator that lives in regions of the Iberian Peninsula varying from extremely dry (170 mm annual rainfall) to very rainy (3000 mm). Given this high adaptability, we expect interpopulational differences in its diet. We examined the gut content of 347 preserved ...
Tópico(s): Amphibian and Reptile Biology
2008 - British Herpetological Society | Herpetological Journal
Xavier Santos, Marta Vidal‐García, José Carlos Brito, Soumía Fahd, Gustavo A. Llorente, Fernando Martínez‐Freiría, Xavier Parellada, Juan M. Pleguezuelos, Neftalí Sillero,
Tópico(s): Animal Ecology and Behavior Studies
2014 - Springer Science+Business Media | Evolutionary Ecology
José Carlos Brito, Xavier Santos, Juan M. Pleguezuelos, Neftalí Sillero,
The present study aimed to infer evolutionary scenarios for Vipera latastei and Vipera monticola in the Iberian Peninsula and the Maghreb through the identification of spatial patterns in morphological character variation and biogeographic patterns in morphological variability distribution. Ten morphological traits from 630 vipers were analysed with geostatistic and ecological niche modelling in a geographical information system. Interpolation by Kriging was used to generate surfaces of morphological ...
Tópico(s): Wildlife Ecology and Conservation
2008 - Oxford University Press | Biological Journal of the Linnean Society
Produção Nacional
Revisado por pares
Gláucio Soares da Fonseca, L Aida Liliana Barbosa, Elivelton Alves Ferreira, Carlos Roberto Xavier, José Adílson de Castro,
Duplex Stainless Steels (DSS) and Superduplex Stainless Steels (SDSS) have a strong appeal in the petrochemical industry. These steels have excellent properties, such as corrosion resistance and good toughness besides good weldability. Welding techniques take into account the loss of alloying elements during the process, so this loss is usually compensated by the addition of a filler metal rich in alloying elements. A possible problem would be during the welding of these materials in adverse conditions ...
Tópico(s): Corrosion Behavior and Inhibition
2017 - Multidisciplinary Digital Publishing Institute | Metals
Diana Ferreira, Catarina Pinho, José Carlos Brito, Xavier Santos,
Abstract Socioeconomic and climatic factors are modifying fire regimes with an increase of fire frequency and extension. Unfortunately, the effects of recurrent fires on biological processes that ultimately affect the genetic diversity of animal populations are mostly unknown. We examined genetic patterns of diversity in the wall lizard Podarcis guadarramae in northern Portugal, one of the European regions with the highest percentage of burnt land. This species is a small saxicolous lizard as it ...
Tópico(s): Fire effects on ecosystems
2019 - Nature Portfolio | Scientific Reports
Alba Ventós-Alfonso, Guillem Ylla, José Carlos Montañés, Xavier Bellés,
The influence of DNA methylation on gene behavior and its consequent phenotypic effects appear to be very important, but the details are not well understood. Insects offer a diversity of DNA methylation modes, making them an excellent lineage for comparative analyses. However, functional studies have tended to focus on quite specialized holometabolan species, such as wasps, bees, beetles, and flies. Here, we have studied DNA methylation in the hemimetabolan insect Blattella germanica. In this cockroach, ...
Tópico(s): Child Development and Digital Technology
2020 - Cell Press | iScience
Produção Nacional
Revisado por pares
Ana María Herrera-Angulo, Alexandre Carneiro Leão de Mello, Valéria Xavier de Oliveira Apolinário, José Carlos Batista Dubeux, Márcio Vieira da Cunha, Mércia Virgínia Ferreira dos Santos,
Tópico(s): Soil Management and Crop Yield
2021 - Springer Science+Business Media | Agroforestry Systems
Elaine Armelín, Rosa Pla, Francisco Liesa, Xavier Ramis, José I. Iribarren, Carlos Alemán,
Accelerated immersion tests have been carried out in the laboratory to investigate the performance of polyaniline emeraldine salt and polypyrrole composite with carbon black as additives of an epoxy paint coating. The steel panels coated with paint modified with polyaniline emeraldine salt presented the best protection after 720 h of exposure in 3.5% NaCl solution. The results indicated that this conducting polymer might works as both corrosion inhibitor and adhesion promoter. The protective mechanism ...
Tópico(s): Advanced Sensor and Energy Harvesting Materials
2007 - Elsevier BV | Corrosion Science
Carla Guarinós, Cristina Sánchez–Fortún, María Rodríguez‐Soler, Lucía Pérez–Carbonell, Cecilia Egoavil, Míriam Juárez, Anna Serradesanferm, Luís Bujanda, Fernando Fernández–Bañares, Joaquín Cubiella, Luisa de–Castro, Ana Guerra, Elena Aguirre, Alberto Herreros de Tejada, Xavier Bessa, Maite Herráiz, José Carlos Marín-Gabriel, Judith Balmañà, Míriam Cuatrecasas, Francesc Balaguer, Antoni Castells, José Luís Soto, Cristina Alenda, Artemio Payá, Rodrigo Jover,
We investigated clinical and molecular differences between the different phenotypes of serrated polyposis syndrome (SPS) and the frequency of mutations in BRAF or KRAS in polyps from patients with SPS.We collected data on clinical and demographic characteristics of 50 patients who fulfilled the criteria for SPS. Polymerase chain reaction and sequence analysis were used to identify BRAF and KRAS mutations in 432 polyps collected from 37 patients; we analyzed CpG island methylator phenotypes in 272 ...
Tópico(s): Colorectal Cancer Treatments and Studies
2013 - Elsevier BV | Clinical Gastroenterology and Hepatology
Xavier Punet, Rodolphe Mauchauffé, José Carlos Rodríguez‐Cabello, Matilde Alonso, Elisabeth Engel, Miguel A. Mateos‐Timoneda,
The integration of implants or medical devices into the body tissues requires of good cell–material interactions. However, most polymeric materials used for these applications lack on biological cues, which enhanced mid- and long-term implant failure due to weak integration with the surrounding tissue. Commonly used strategies for tissue–material integration focus on functionalization of the material surface by means of natural proteins or short peptides. However, the use of these biomolecules involves ...
Tópico(s): Bone Tissue Engineering Materials
2015 - University of Oxford | Regenerative Biomaterials
Cecilia Egoavil, Míriam Juárez, Carla Guarinós, María Rodríguez‐Soler, Eva Hernández‐Illán, Cristina Alenda, Artemio Payá, Adela Castillejo, Anna Serradesanferm, Luís Bujanda, Fernando Fernández–Bañares, Joaquín Cubiella, Luisa de–Castro, Ana Guerra, Elena Aguirre, Alberto Herreros de Tejada, Xavier Bessa, Maite Herráiz, José Carlos Marín-Gabriel, Judith Balmañà, Virgı́nia Piñol, Francisco Rodríguez‐Moranta, David Nicolás‐Pérez, Míriam Cuatrecasas, Francesc Balaguer, Antoni Castells, José Luís Soto, Pedro Zapater, Rodrigo Jover,
Background & AimsWe investigated whether patients with multiple serrated polyps, but not meeting the World Health Organization criteria for serrated polyposis syndrome, and their relatives have similar risks for colorectal cancer (CRC) as those diagnosed with serrated polyposis.MethodsWe collected data from patients with more than 10 colonic polyps, recruited in 2008–2009 from 24 hospitals in Spain for a study of causes of multiple colonic polyps.We analyzed data from 53 patients who met the criteria ...
Tópico(s): Colorectal Cancer Treatments and Studies
2017 - Elsevier BV | Gastroenterology
Xavier Santos, Gustavo A. Llorente, Juan M. Pleguezuelos, José Carlos Brito, Soumía Fahd, Xavier Parellada,
Abstract Several life-history traits may increase vulnerability of species to extinction. Among snakes, ambush predation and dietary specialisation are factors that increase this vulnerability. European viper species, genus Vipera, display such traits and are categorised as endangered in several parts of its range. For their conservation management, a deeper knowledge of their ecology and habitat use is highly relevant. One of the species with less ecological data is the Lataste's viper Vipera latastei, ...
Tópico(s): Species Distribution and Climate Change
2007 - Brill | Animal Biology
Javier Martín Vide, Joan A. López-Bustins, Marc Lemus-Cánovas, M. Carmen Moreno-García, Xavier Balagué, José Carlos González Hidalgo, Santiago Beguerı́a, Dhais Peña‐Angulo, Víctor Trullenque‐Blanco,
Abstract Precipitation irregularity constitutes a constraint for natural systems and socio-economic activities, particularly in water-scarce environments. Standard variability statistics such as the standard deviation, variance, and coefficient of variation do not consider the chronological order of these values. In Climatology, however, the temporal order of meteorological events is a relevant factor that can affect natural and socio-economic systems. In order to evaluate the disparity between ...
Tópico(s): Meteorological Phenomena and Simulations
2021 - Springer Science+Business Media | Theoretical and Applied Climatology
Álex de la Sierra, Xavier Pintó, Carlos Guijarro, José López‐Miranda, Daniel Callejo, Jesús Cuervo, R Subirà, Marta Rubio,
Cardiovascular diseases (CVDs) represent a major Public Health burden. High serum cholesterol levels have been linked to major CV risk. The objectives of this study were to review the epidemiology of hypercholesterolemia in high risk CV patients from Spain, by assessing its prevalence, the proportion of diagnosed patients undergoing pharmacological treatment and the degree of attained lipid control. A systematic literature review was carried out using Medline and two Spanish databases. Manuscripts ...
Tópico(s): Diabetes, Cardiovascular Risks, and Lipoproteins
2015 - Adis, Springer Healthcare | Advances in Therapy
Produção Nacional
Revisado por pares
M.L. Dagli, Sı́lvia Catarina Salgado Oloris, José Guilherme Xavier, Carlos Ferreira Santos, M. Amparo F. Faustino, Celso Maran de Oliveira, I L Sinhorini, J. L. Guerra,
The gross and microscopical features of a glomus tumour in the digit of a 9-year-old dog are described. The tumour consisted of a red nodule near the nail of the third digit of the right forelimb and appeared painful. The tumour cells, which had round to oval hyperchromatic nuclei and scant cytoplasm, were arranged in sheets around blood vessels, or in nests or duct-like structures. This pattern has not been described previously in canine glomus tumours. Mitotic figures were seen only occasionally. ...
Tópico(s): Salivary Gland Tumors Diagnosis and Treatment
2003 - Elsevier BV | Journal of Comparative Pathology
Javier Arata, Graham Robertson, José Valencia, José C. Xavier, Carlos A. Moreno,
The diet of grey-headed albatrosses at Diego Ramírez was analysed and compared to that of the sympatric black-browed albatross. Diet composition was inferred from an analysis of prey hard parts present in 103 chick regurgitates obtained during breeding seasons 2000, 2001 and 2002. The squid Martialia hyadesi predominated in the diet samples in 2001 and 2002 (89% and 81% of reconstituted mass), but was absent from the 2000 samples. Reconstituted mean mass per sample in 2000 was significantly lower ...
Tópico(s): Animal Nutrition and Physiology
2004 - Cambridge University Press | Antarctic Science