Produção Nacional
Revisado por pares
Celise Villa dos Santos, Daniel Rodrigo Leiva, Fábio Rodrigues da Costa, José Angelo Rodrigues Gregolin,
This study proposes a methodological guide to explore and select materials for executive aircraft interiors, contributing toward a perspective of materials requirements, indicators and strategies to design more environmentally sustainable products. This was motivated by the signs from the aviation industry to reduce its environmental impact and the permanent need to push for cost efficiency. The guide includes a schedule framework of materials requirements for sustainable design, and also aeronautical ...
Tópico(s): Sustainable Design and Development
2016 - Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímer | Materials Research
Laís Fabiana Serafini, Manuel Feliciano, Manuel Ângelo Rodrigues, Artur Gonçalves,
Following the industrial revolution, major economic and populational growth took place, and, therefore, solid waste generation increased exponentially. Nowadays, waste management still generates major impacts because the current wide offer of waste management strategies includes many solutions that produce suboptimal results, such as landfill or waste incineration. From a circular economy perspective, composting is a potentially sustainable option to treat the organic fraction of solid waste and ...
Tópico(s): Microplastics and Plastic Pollution
2023 - Multidisciplinary Digital Publishing Institute | Sustainability
Produção Nacional
Revisado por pares
Manuel Ângelo Rodrigues, Luiza do Nascimento Dias Torres, Letícia Damo, Soraia Raimundo, Laércio Ricardo Sartor, Luís César Cassol, Margarida Arrobas,
Two soil amendments, biochar and zeolites, were evaluated in their potential for increasing crop productivity and agro-system sustainability. The effect of biochar and zeolites, in combination with four nitrogen (N) rates [0 (N0), 50 (N50), 100 (N100), and 200 (N200) kg ha−1], on crop yield, N use efficiency, and soil properties was evaluated in a cropping system of irrigated forage maize (Zea mays L.) grown in summer and oats (Avena sativa L.) grown in winter as a catch crop. Biochar increased soil organic ...
Tópico(s): Clay minerals and soil interactions
2021 - Springer Science+Business Media | Journal of soil science and plant nutrition
João I. Lopes, Alexandre Gonçalves, Cátia Brito, Sandra Martins, Luís Pinto, José Moutinho‐Pereira, Soraia Raimundo, Margarida Arrobas, Manuel Ângelo Rodrigues, Carlos M. Correia,
Strategies for waste valorisation from domestic and agro-industrial activities must be pursued, and its use as a soil amendment is an interesting possibility. In this four-year study, the effect of applying municipal solid waste (MSW), farmyard manure (FYM), bottom wood ash supplemented with nitrogen (Ash + N), the inorganic fertilization common in the region (50 kg ha−1 N, P2O5 and K2O) (Control) and this inorganic fertilization supplemented with 70 kg N ha−1 (High N) was assessed in a rainfed olive grove ...
Tópico(s): Heavy metals in environment
2021 - Multidisciplinary Digital Publishing Institute | Agronomy
Manuel Ângelo Rodrigues, Helga Santos, Sérgio Ruivo, Margarida Arrobas,
Tall cabbage (Brassica oleracea var. costata, cv. Penca de Mirandela) is grown in Portugal during autumn and winter months when heavy rains can be expected. In this agrosystem the management of N is a considerable challenge due to the risk of nitrate leaching. Field experiments with tall cabbage and rye were carried out during the growing seasons of 2007/2008 and 2008/2009. The experimental design included three fertilisers that delay N availability by different mechanisms [Floranid permanent, containing ...
Tópico(s): Growth and nutrition in plants
2009 - Elsevier BV | European Journal of Agronomy
Produção Nacional
Revisado por pares
Kira Tarapanoff, José Angelo Rodrigues Gregolin,
Tópico(s): Competitive and Knowledge Intelligence
2002 - SciELO | Ciência da Informação
Raul Morais, Samuel G. Matos, Miguel Ângelo Rodrigues Fernandes, António Valente, Salviano Soares, Paulo J. S. G. Ferreira, Manuel J. C. S. Reis,
The deployment of large mesh-type wireless networks is a challenge due to the multitude of arising issues. Perpetual operation of a network node is undoubtedly one of the major goals of any energy-aware protocol or power-efficient hardware platform. Energy harvesting has emerged as the natural way to keep small stationary hardware platforms running, even when operating continuously as network routing devices. This paper analyses solar radiation, wind and water flow as feasible energy sources that ...
Tópico(s): Energy Efficient Wireless Sensor Networks
2008 - Elsevier BV | Computers and Electronics in Agriculture
Luís Guerra, Clara Pereira, Paula B. Andrade, Manuel Ângelo Rodrigues, Federico Ferreres, Paula Guedes de Pinho, Rosa M. Seabra, Patrı́cia Valentão,
Targeted metabolite analysis of aqueous extract of Rumex induratus leaves, in terms of phenolic compounds and organic acids, and the study of its antioxidant activity against the DPPH(*) radical, a reactive oxygen species, hypochlorous acid, and a reactive nitrogen species, nitric oxide ((*)NO), were performed. The samples were collected in several locations, spontaneously occurring or from greenhouse culture, at different stages of development and seasons. The phenolic composition was achieved by high- ...
Tópico(s): Biological Activity of Diterpenoids and Biflavonoids
2008 - American Chemical Society | Journal of Agricultural and Food Chemistry
Andreia P. Oliveira, David M. Pereira, Paula B. Andrade, Patrı́cia Valentão, Carla Sousa, José Alberto Pereira, Albino Bento, Manuel Ângelo Rodrigues, Rosa M. Seabra, Branca M. Silva,
The free amino acid profile of 18 samples of tronchuda cabbage (Brassica oleracea L. var. costata DC) leaves, harvested at three different months, was determined by HPLC/UV−vis. The tronchuda cabbage leaves total free amino acid content varied from 3.3 to 14.4 g/kg fresh weight. Generally, arginine was the major compound, followed by proline, threonine, glutamine, cysteine, and glutamic acid. This study indicates that free amino acids are not similarly distributed: in external leaves, proline and ...
Tópico(s): Protein Hydrolysis and Bioactive Peptides
2008 - American Chemical Society | Journal of Agricultural and Food Chemistry
Carla Sousa, David M. Pereira, José Alberto Pereira, Albino Bento, Manuel Ângelo Rodrigues, Sonia Dopico, Patrı́cia Valentão, Graciliana Lopes, Federico Ferreres, Rosa M. Seabra, Paula B. Andrade,
A field experiment was carried out to investigate the effect of fertilization level on the phenolic composition of tronchuda cabbage (Brassica oleracea L. var. costata DC) external and internal leaves. Eight different plots were constituted: a control without fertilization, one with organic matter, and six experiments with conventional fertilizers (nitrogen, boron, and sulfur, two levels each). The phenolic compounds were analyzed by reversed-phase HPLC-DAD. External and internal leaves revealed distinct ...
Tópico(s): Antioxidant Activity and Oxidative Stress
2008 - American Chemical Society | Journal of Agricultural and Food Chemistry
Vera L. Costa, Rui Henrique, Stine A. Danielsen, Sara Duarte-Pereira, Mette Eknæs, Rolf I. Skotheim, Ângelo Rodrigues, José S. Magalhães, Jorge Oliveira, Ragnhild A. Lothe, Manuel R. Teixeira, Cármen Jerónimo, Guro E. Lind,
To identify a panel of epigenetic biomarkers for accurate bladder cancer (BlCa) detection in urine sediments.Gene expression microarray analysis of BlCa cell lines treated with 5-aza-2'-deoxycytidine and trichostatin A as well as 26 tissue samples was used to identify a list of novel methylation candidates for BlCa. Methylation levels of candidate genes were quantified in 4 BlCa cell lines, 50 BlCa tissues, 20 normal bladder mucosas (NBM), and urine sediments from 51 BlCa patients and 20 healthy donors, ...
Tópico(s): Epigenetics and DNA Methylation
2010 - American Association for Cancer Research | Clinical Cancer Research
Margarida Arrobas, Maria Parada, Paula Magalhães, Manuel Ângelo Rodrigues,
The effect of three fertilisers that delay the bioavailability of nitrogen (N) in the soil was compared with ammonium nitrate and a zero N control in two irrigated turfs in NE Portugal. The fertilisers used were: Floranid permanent 16-7-15 (slow-release, IBDU/Isodur fertiliser); Basacote plus 9M 16-8-12 (controlled-release fertiliser, copolymer ethylene acrylic); Nitroteck 20-8-10 (stabilized fertiliser, dicyandiamide as nitrification inhibitor + coating with polyterpene) and Nitrolusal (ammonium nitrate, ...
Tópico(s): Soil and Water Nutrient Dynamics
2010 - Springer Science+Business Media | Nutrient Cycling in Agroecosystems
Joana Savva-Bordalo, João Carvalho, Manuela Pinheiro, Vera L. Costa, Ângelo Rodrigues, Paula C. Dias, Isabel Veiga, Manuela Machado, Manuel R. Teixeira, Rui Henrique, Cármen Jerónimo,
Abstract Background Severe toxicity to 5-fluorouracil (5-FU) based chemotherapy in gastrointestinal cancer has been associated with constitutional genetic alterations of the dihydropyrimidine dehydrogenase gene ( DPYD ). Methods In this study, we evaluated DPYD promoter methylation through quantitative methylation-specific PCR and screened DPYD for large intragenic rearrangements in peripheral blood from 45 patients with gastrointestinal cancers who developed severe 5-FU toxicity. DPYD promoter methylation ...
Tópico(s): Gastric Cancer Management and Outcomes
2010 - BioMed Central | BMC Cancer
Manuel Ângelo Rodrigues, Leonardo Vieira de Sousa, J.E. Cabanas, Margarida Arrobas,
Jerusalem artichoke is commonly grown for its edible tubers, livestock feed and as an ornamental. The possibility of growing Jerusalem artichoke for energetic purposes has aroused scientific interest in this species. Despite several studies that have already been done in the last few decades, many aspects of the cropping practice are still relatively unknown. During the growing seasons of 2004-2006 field trials were carried out in NE Portugal. In the experimental period different cropping conditions ...
Tópico(s): Plant Growth Enhancement Techniques
2007 - Spanish National Research Council | Spanish Journal of Agricultural Research
Produção Nacional
Revisado por pares
Manuel Ângelo Rodrigues, Francisco Pavão, João I. Lopes, Vanessa Gomes, Margarida Arrobas, José Moutinho‐Pereira, Sérgio Ruivo, J.E. Cabanas, Carlos M. Correia,
Nitrogen (N) and boron (B) are mobile elements in soil. Therefore, the application of these nutrients is typically performed annually, as a single dose, or even split into several fractions in the case of N. In olive (Olea europaea L.), however, controversial literature has suggested that yearly application of N may not be required. In the case of B, some authors indicated that one single application is sufficient for 3 or 4 years. Thus, the effects of these elements on olive yield, leaf N and B concentrations, ...
Tópico(s): Nitrogen and Sulfur Effects on Brassica
2011 - Taylor & Francis | Communications in Soil Science and Plant Analysis
Manuel Ângelo Rodrigues, João I. Lopes, Francisco Pavão, J.E. Cabanas, Margarida Arrobas,
Studies on the effect of groundcover treatments on perennial tree crops have been common in recent decades. However, few have included leaf analysis as an aid to understand the effects of groundcover treatments on tree crop growth and yield, in particular in rainfed olive orchards. Field experiments took place in northeast Portugal, over the course of eight consecutive years, in two commercial orchards selected on the basis of their contrasting situation regarding the floor-management system before ...
Tópico(s): Mediterranean and Iberian flora and fauna
2011 - Taylor & Francis | Communications in Soil Science and Plant Analysis
João D. Barros‐Silva, Franclim R. Ribeiro, Ângelo Rodrigues, Ricardo Pedrini Cruz, Ana Teresa Martins, Cármen Jerónimo, Rui Henrique, Manuel R. Teixeira,
Abstract Screening tools have greatly improved prostate cancer (PCa) detection, but the disease course is heterogeneous, and standard clinicopathological parameters do not fully discriminate aggressive from indolent tumors. To evaluate the prognostic value of the TMPRSS2‐ERG fusion gene combined with chromosome arm 8q relative gain in diagnostic biopsies of PCa, we studied a consecutive series of 200 diagnostic needle biopsies from patients with 10‐year disease‐specific survival data. TMPRSS2‐ERG ...
Tópico(s): Cancer Genomics and Diagnostics
2011 - Wiley | Genes Chromosomes and Cancer
Sara Duarte-Pereira, Filipa Paiva, Vera L. Costa, João Carvalho, Joana Savva-Bordalo, Ângelo Rodrigues, Franclim R. Ribeiro, Vítor Silva, Jorge Oliveira, Rui Henrique, Cármen Jerónimo,
The OPCML gene (opioid binding protein/cell adhesion molecule-like), a putative tumour suppressor gene, is frequently inactivated in carcinomas, namely through aberrant promoter methylation. Herein, we aimed to determine whether OPCML altered expression mediated by epigenetic mechanisms was implicated in bladder carcinogenesis and to assess its potential as a bladder cancer epi-marker. OPCML promoter methylation levels from 91 samples of bladder urothelial carcinoma, 25 normal bladder tissues and ...
Tópico(s): Cancer-related gene regulation
2011 - Elsevier BV | European Journal of Cancer
Manuel Ângelo Rodrigues, A. Pereira, J.E. Cabanas, Luís G. Dias, Jaime Pires, Margarida Arrobas,
The current increase in the organic agriculture segment has created a new market for fertilisers permitted for use in organic farming. Off-farm N sources for organic farming are scarce, considering the restriction on the use of chemical fertilisers. Thus, when some products are permitted in organic agriculture, commercial opportunities become available. In this study we compare the performances of Vegethumus (Veg) and Phenix (Phe), two manures that are permitted in organic farming, with several other ...
Tópico(s): Growth and nutrition in plants
2006 - Elsevier BV | European Journal of Agronomy
Federico Ferreres, Vítor Miguel Ribeiro, Ángel Gil‐Izquierdo, Manuel Ângelo Rodrigues, Rosa M. Seabra, Paula B. Andrade, Patrı́cia Valentão,
The phenolic compounds of Rumex induratus leaves were determined by HPLC-DAD-MS/MS-ESI. The results revealed a profile composed of 19 compounds: caffeoyl-hexoside, two p-coumaroyl-hexoside isomers, feruloyl-hexoside, sinapoyl-hexoside, 6-C-hexosyl-quercetin, 8-C-hexosyl-luteolin, 6-C-hexosyl-luteolin, 6-C-hexosyl-apigenin, 3-O-hexosyl-quercetin, 3-O-rutinosyl-quercetin, 7-O-hexosyl-diosmetin, 3-O-rutinosyl-isorhamnetin, 7-O-(acetyl)-pento-hexosyl-diosmetin, 6-C-hexosyl-genkwanin, and four unidentified ...
Tópico(s): Pharmacological Effects of Natural Compounds
2006 - American Chemical Society | Journal of Agricultural and Food Chemistry
Manuel Ângelo Rodrigues, Isabel Q. Ferreira, Ana Marília Claro, Margarida Arrobas,
The above-ground part of fourteen, young (ten-year-old), rainfed olive trees were separated into trunk (wood and bark), main branches (wood and bark), secondary branches (wood and bark), twigs, leaves and fruits. Based on the dry matter and nutrient concentration in the different tissues, the total amounts of nutrients in each tree were estimated. A controlled scheme of pruning conducted annually allowed the quantification of the amount of nutrients removed in pruning. Olive yields and nutrient concentrations ...
Tópico(s): Edible Oils Quality and Analysis
2012 - Elsevier BV | Scientia Horticulturae
Abstract Critical levels for six plant and presidedress soil nitrogen (N) indices were established for the growing season, and their relative accuracy to diagnose the need for supplemental sidedress N was also compared. Field trials were conducted from 1996 to 1998 with irrigated potato in northeastern Portugal. Fertilizer treatments included several preplant and sidedress N rates. Petiole nitrate concentrations (determined by a standard laboratory method and with the portable RQflex reflectometer), ...
Tópico(s): Plant nutrient uptake and metabolism
2004 - Taylor & Francis | Communications in Soil Science and Plant Analysis
Manuel Ângelo Rodrigues, J. Coutinho, Felipe M. Martins, Margarida Arrobas,
Tópico(s): Potato Plant Research
2004 - Elsevier BV | European Journal of Agronomy
Produção Nacional
Revisado por pares
Douglas Henrique Milanez, Leandro Innocentini Lopes de Faria, Roniberto Morato do Amaral, Daniel Rodrigo Leiva, José Angelo Rodrigues Gregolin,
Tópico(s): Innovation Policy and R&D
2014 - Springer Nature (Netherlands) | Scientometrics
Manuel Ângelo Rodrigues, Pedro Arezes, Celina P. Leão,
The current work can be seen as a starting point for the discussion of the problematic on risk acceptance criteria in occupational environments. Some obstacles to the quantitative acceptance criteria formulation and use were analyzed. A look to the long tradition of major hazards accidents was also performed. This work shows that organizations can have several difficulties in acceptance criteria formulation and that the use of pre-defined acceptance criteria in risk assessment methodologies can ...
Tópico(s): Risk Perception and Management
2014 - Elsevier BV | Procedia - Social and Behavioral Sciences
Margarida Arrobas, Isabel Q. Ferreira, Sara Freitas, João Verdial, Manuel Ângelo Rodrigues,
• Remobilization to perennial parts is key to N, P, K and B economy of the vine. • Nutrient removal in clusters is a major component in N and K fertilization programmes. • Fertilizer-N rate greatly depends on recycling of the nutrient from fallen leaves. • A nutrient-specific programme is needed for the optimal fertilization of vineyards. Plant analysis plays a major role in fertilizer recommendations for perennial tree crops and vines. Plant analysis, however, does not quantify the rate of nutrients to apply. The approach ...
Tópico(s): Fermentation and Sensory Analysis
2014 - Elsevier BV | Scientia Horticulturae
Produção Nacional
Revisado por pares
Douglas Henrique Milanez, Marcela Taiane Schiavi, Roniberto Morato do Amaral, Leandro Innocentini Lopes de Faria, José Angelo Rodrigues Gregolin,
The recent rise of nanotechnology and nanomaterial research is marked by the huge amount of publications indexed in electronic databases, which can be evaluated using bibliometric indicators in order to help researchers find hidden trends, gain novel insights and support new scientific developments. Although in-depth analyses require specialized software and advanced methodologies, some initial indicators can be developed using the analytical tools available in databases and provide useful information ...
Tópico(s): Machine Learning in Materials Science
2013 - Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímer | Materials Research
Manuel Ângelo Rodrigues, Carlos M. Correia, Ana Marília Claro, Isabel Q. Ferreira, José Carlos Barbosa, José Moutinho‐Pereira, Eunice Bacelar, Anabela Fernandes‐Silva, Margarida Arrobas,
A natural source of nitrogen (N) is needed to increase soil fertility in traditional olive orchards and to maintain the N nutritional status of olive trees. With this aim, we studied the introduction of legume cover crops in two olive orchards, which were converted into mulches and left on the ground as phytomass after they had been cut. The experiments were carried out in Suçães and Qta do Carrascal, NE Portugal, from October 2009 to January 2012. In Suçães, the ground-cover treatments were lupine ( ...
Tópico(s): Mediterranean and Iberian flora and fauna
2013 - Elsevier BV | Scientia Horticulturae
Produção Nacional
Revisado por pares
Douglas Henrique Milanez, Roniberto Morato do Amaral, Leandro Innocentini Lopes de Faria, José Angelo Rodrigues Gregolin,
This research aims to examine scientific and technological trends of developments in nanocellulose based on scientometric and patent indicators obtained from the Science Citation Index and Derwent Innovations Index in 2001-2010. The overall nanocellulose activity indicators were compared to nanotechnology and other selected nanomaterials. Scientific and technological future developments in nanocellulose were forecasted using extrapolation growth curves and the main countries were also mapped. The ...
Tópico(s): Advanced Cellulose Research Studies
2013 - Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímer | Materials Research
Isabel Q. Ferreira, Margarida Arrobas, Ana Marília Claro, Manuel Ângelo Rodrigues,
The adoption of a sustainable soil management system is essential for the steep slopes and low fertility soils still supporting rainfed olive orchards in the Mediterranean basin. The effect of the soil management on olive yield, tree nutritional status and soil fertility was studied in a rainfed olive orchard located in NE Portugal that had been managed since its earliest days as a sheep-walk. In 2001, three different soil management systems were established: Sheep-walk, in which the vegetation ...
Tópico(s): Aquatic Ecosystems and Phytoplankton Dynamics
2013 - Spanish National Research Council | Spanish Journal of Agricultural Research