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
Manuel Ângelo Rodrigues, João I. Lopes, Isabel Q. Ferreira, Margarida Arrobas,
Pruning has been seen as a means of improving olive tree productivity. The presumed importance of pruning was described by Columella (born 4 AD), and has persisted in general terms to the present. In this work, the effect of different pruning regimes was assessed from two field trials conducted in Mirandela, NE Portugal, in an olive grove of cv. 'Cobrançosa', rainfed managed. The first trial began after a light crop ("off" year) and received four pruning regimes (hard, moderate, light, and nonpruned ...
Tópico(s): Plant Surface Properties and Treatments
2018 - Scientific and Technological Research Council of Turkey (TUBITAK) | TURKISH JOURNAL OF AGRICULTURE AND FORESTRY
Manuel Ângelo Rodrigues, Laurindo Chambula Ladeira, Margarida Arrobas,
The use of fertilizers with beneficial microorganisms has increased in recent years. In this study, the performance was assessed of two manures enriched with Azotobacter (BioF1 and BioF2), a non-enriched organic manure (Organ), an inorganic N fertilizer applied at a rate equivalent to the organic manures (MinR1) and applied at twice the rate (MinR2), and a control treatment. A field trial and a pot experiment were carried out both consisting of a sequence of three crops per year [lettuce (Lactuca sativa)- ...
Tópico(s): Legume Nitrogen Fixing Symbiosis
2018 - Elsevier BV | European Journal of Agronomy
Cátia Brito, Lia‐Tânia Dinis, Ana Luzio, Ermelinda Silva, Alexandre Gonçalves, Mónica Meijón, Mónica Escandón, Margarida Arrobas, Manuel Ângelo Rodrigues, José Moutinho‐Pereira, Carlos M. Correia,
In a changing world, the search for new agronomic practices that help crops to maintain and/or increase yields and quality is a continuous challenge. We aim to evaluate kaolin (KL) and salicylic acid (SA) effectiveness as summer stress alleviating agents through physiological, biochemical and immunohistochemical analysis. Olive trees (Olea europaea L. cv. Cobrançosa) grown under rainfed conditions were sprayed with 5% KL and 100 μM SA, at the beginning of summer, during two consecutive years. KL enhanced ...
Tópico(s): Plant Stress Responses and Tolerance
2018 - Elsevier BV | Scientia Horticulturae
Isabel Q. Ferreira, Margarida Arrobas, José Moutinho‐Pereira, Carlos M. Correia, Manuel Ângelo Rodrigues,
Although potassium (K) is a macronutrient few studies have evaluated the response of olive tree to K fertilization. In this work results of two field and two pot K fertilizer experiments are presented. One of the field trials was conducted in a commercial young olive grove. The second was conducted in a plantation purposely established for this study. In the two field and the first pot experiment, the K supply was the single variation factor. The second pot experiment was arranged as a factorial ...
Tópico(s): Banana Cultivation and Research
2018 - Springer Science+Business Media | Nutrient Cycling in Agroecosystems
Margarida Arrobas, Sandra Afonso, Isabel Q. Ferreira, José Moutinho‐Pereira, Carlos M. Correia, Manuel Ângelo Rodrigues,
European chestnut is the most important cash crop in the highlands of NE Portugal. However, limited data on cropping technique are available to help farmers make decisions. This work is motivated by the lack of data related to chestnut response to fertilizer application. It reports results from a field fertilization trial consisting of the application of a combination of lime (L), nitrogen (N), phosphorus (P), potassium (K), and boron (B), namely LNPKB, NPKB, -NPKB, N-PKB, NP-KB, and NPK-B. Seedlings ...
Tópico(s): Plant and Fungal Interactions Research
2017 - Scientific and Technological Research Council of Turkey (TUBITAK) | TURKISH JOURNAL OF AGRICULTURE AND FORESTRY
Margarida Arrobas, Sandra Afonso, Manuel Ângelo Rodrigues,
Chestnuts have always been a marginal fruit crop, and the trees seldom fertilized as a result. Few studies have been devoted to the management of soil fertility and the nutritional status of this crop. This work reports results of soil and plant analyses of a population of respectively 1041 and 198 soil and leaf samples taken across nine municipalities in the district of Bragança, NE Portugal. A second population of 80 soil, leaf and fruit (only 64) samples were taken across the three most productive ...
Tópico(s): Plant and Fungal Interactions Research
2017 - Elsevier BV | Scientia Horticulturae
Sandra Afonso, Margarida Arrobas, Isabel Q. Ferreira, Manuel Ângelo Rodrigues,
The SPAD-502 and the FieldScout CM 1000 chlorophyll meters were compared in their performance in diagnosing the nutritional status of plants. Leaves of a wide range of greenness were used to push the sensitivity of the tools to their limits. Both devices showed high reproducibility when used by different operators. The SPAD-readings were well-correlated with leaf nitrogen (N) concentrations, since leaves from heavily fertilized plants were not included in the sample population. The FieldScout-readings ...
Tópico(s): Banana Cultivation and Research
2017 - Taylor & Francis | Journal of Plant Nutrition
Produção Nacional
Revisado por pares
Douglas Henrique Milanez, Leandro Innocentini Lopes de Faria, Roniberto Morato do Amaral, José Angelo Rodrigues Gregolin,
This paper proposes a new method for developing patent indicators by text mining patent claims according to their drafting structure. We apply the method on nanocellulose as a case of study, although any subject could be the target of investigation. The results show that patent claims are a more reliable source of key terms to develop technical indicators than, for example, patent titles and abstracts. Indicators from patent claims in combination with other traditional indicators developed from ...
Tópico(s): Biosensors and Analytical Detection
2017 - Elsevier BV | World Patent Information
Marisa Barroso, Natália Martins, Lillian Barros, Amílcar L. António, Manuel Ângelo Rodrigues, Maria João Sousa, Celestino Santos‐Buelga, Isabel C.F.R. Ferreira,
The present study aims to assess the effect of different nitrogen (N) rates on the chemical composition and antioxidant properties of stevia frozen fresh and dried leaves, and to define the best growing conditions to maximize the levels of bioactive compounds. In general, processing affects more significantly the tocopherol and sugar contents than N fertilization. The most abundant sugars were xylose, arabinose + fructose and sucrose, presenting dried samples with higher contents than frozen fresh ...
Tópico(s): Antioxidant Activity and Oxidative Stress
2017 - Elsevier BV | 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
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
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
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
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
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
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
Luís Pádua, Ana Maria Geraldes, Joaquim J. Sousa, Manuel Ângelo Rodrigues, Verónica Oliveira, Daniela Santos, Maria Filomena P. Miguens, João Paulo Castro,
Efficient detection and monitoring procedures of invasive plant species are required. It is of crucial importance to deal with such plants in aquatic ecosystems, since they can affect biodiversity and, ultimately, ecosystem function and services. In this study, it is intended to detect water hyacinth (Eichhornia crassipes) using multispectral data with different spatial resolutions. For this purpose, high-resolution data (<0.1 m) acquired from an unmanned aerial vehicle (UAV) and coarse-resolution data ( ...
Tópico(s): Aquatic Ecosystems and Phytoplankton Dynamics
2022 - Multidisciplinary Digital Publishing Institute | Drones
João I. Lopes, Margarida Arrobas, Soraia Raimundo, Alexandre Gonçalves, Cátia Brito, Sandra Martins, Luís Pinto, José Moutinho‐Pereira, Carlos M. Correia, Manuel Ângelo Rodrigues,
Soil conditioners and beneficial microorganisms are important tools that can be used to increase the sustainability of agro-systems. However, the high diversity of conditions where they can be applied may influence the results, which requires extensive field research. In this study, a field trial of four years was conducted in olive (Olea europaea L.) to assess the effect of biochar, zeolites and a commercial mycorrhizal inoculum in the photosynthetic performance, nutritional status of trees, olive ...
Tópico(s): Soil Carbon and Nitrogen Dynamics
2022 - Multidisciplinary Digital Publishing Institute | Agriculture
Produção Nacional
Revisado por pares
Margarida Arrobas, Jéssica Thais Nepomuceno Carvalho, Soraia Raimundo, Giovana Clarice Pôggere, Manuel Ângelo Rodrigues,
Abstract Municipal solid waste compost (MSWC) is a source of organic C and other nutrients, which, when free from potential contaminants, can be used as a soil amendment. This study was carried out over three years in a vineyard with soil pH close to neutral under an experimental design consisting of two treatments (with and without MSWC). Application of MSWC is currently authorized under national legislation to be used in vineyards, orchards and forests at a maximum rate of 10 t ha −1 year −1 . In this ...
Tópico(s): Heavy metals in environment
2021 - Wiley | Soil Use and Management
Produção Nacional
Revisado por pares
Margarida Arrobas, João V. Decker, Bruna Larissa Feix, Wilson Itamar Godoy, Carlos Alberto Casali, Carlos M. Correia, Manuel Ângelo Rodrigues,
Abstract Soil conditioners, such as biochar and zeolites, may play an important role in agriculture if they increase nutrient use efficiency, in particular, that of phosphorus (P), due to the depletion of phosphate rocks from which P‐fertilizers are manufactured. This study report results from a field trial, where maize was grown in summer and oats in winter, and from a pot experiment with maize. In the field, the use of biochar and zeolites, along with an untreated control in combination with various ...
Tópico(s): Soil Carbon and Nitrogen Dynamics
2021 - Wiley | Soil Use and Management
Sandra Afonso, Margarida Arrobas, Ermelinda Pereira, Manuel Ângelo Rodrigues,
The harvesting of hops (Humulus lupulus L.) generates large amounts of nutrient-rich leaves that can be used in composting mixtures to add value to other organic resources on the farm. In this study, hop leaves were mixed with cow manure and wheat straw in several combinations with the aim of establishing guidelines on how farmers can manage the raw materials and better use these valuable organic resources. The composting process was monitored and the quality of the composts evaluated in relation ...
Tópico(s): Weed Control and Herbicide Applications
2021 - Elsevier BV | Journal of Environmental Management
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
Produção Nacional
Revisado por pares
Liege Aguiar Pascoalino, Filipa S. Reis, Lillian Barros, Manuel Ângelo Rodrigues, Carlos M. Correia, Admilson Lopes Vieira, Isabel C.F.R. Ferreira, João C.M. Barreira,
The increasing interest in natural foods with functional effects demands progressively higher production levels. Nonetheless, there is an orientation towards practicing more sustainable agriculture, free from environmentally harmful pesticides and fertilizers. Plant biostimulants, a class of bio-based agriculture products designed to improve crop development, represent a feasible alternative to chemical fertilizers, or, at least, an effective way of reducing the employed quantities. Herein, different ...
Tópico(s): Bee Products Chemical Analysis
2021 - Multidisciplinary Digital Publishing Institute | Applied Sciences
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
Sandra Afonso, Margarida Arrobas, Manuel Ângelo Rodrigues,
In cultivated fields, patches of poorly developed vegetation often appear without a clear indication of what is affecting the growth of the plants. The purpose of this study was to investigate the causes behind these irregularities in the hop (Humulus lupulus L.) fields of NE Portugal which are greatly reducing crop yield and farmers’ profits and to provide guidance to farmers as to appropriate remedial action. Patches of different levels of plant development were selected within hop fields and categorized ...
Tópico(s): Horticultural and Viticultural Research
2020 - Springer Science+Business Media | Journal of soil science and plant nutrition
Produção Nacional
Revisado por pares
Manuel Ângelo Rodrigues, Valkíria Luísa Borsa Piroli, Douglas Forcelini, Soraia Raimundo, Lucas da Silva Domingues, Luís César Cassol, Carlos M. Correia, Margarida Arrobas,
Biofertilizers of mycorrhizal fungi have been mainly tested in nutrient-limited soils or harsh environmental conditions, which have helped to highlight their beneficial role in plant growth. However, their benefits in stress-free growing conditions have not yet been properly proven. In this work, a commercial mycorrhizal fungi, composed of 18 ecto and endomycorrhizal fungi, was tested in a pot experiment with young olive cuttings, under an experimental apparatus allowing the evaluation of dry matter ...
Tópico(s): Plant-Microbe Interactions and Immunity
2020 - Elsevier BV | Scientia Horticulturae
Alexandre Gonçalves, Ermelinda Silva, Cátia Brito, Sandra Martins, Luís Pinto, Lia‐Tânia Dinis, Ana Luzio, Carlos Martins‐Gomes, Anabela Fernandes‐Silva, Carlos Ribeiro, Manuel Ângelo Rodrigues, José Moutinho‐Pereira, Fernando M. Nunes, Carlos M. Correia,
Abstract BACKGROUND Cropping practices focusing on agronomic water use efficiency and their impact on quality parameters must be investigated to overcome constraints affecting olive groves. We evaluated the response of olive trees ( Olea europaea , cv. ‘Cobrançosa’) to different water regimes: full irrigation (FI, 100% crop evapotranspiration (ET c )), and three deficit irrigation strategies (DIS) (regulated (RDI, irrigated with 80% of crop evapotranspiration (ET c ) in phases I and III of fruit growth and 10% of ...
Tópico(s): Plant Water Relations and Carbon Dynamics
2019 - Wiley | Journal of the Science of Food and Agriculture
João Lobo, Ângelo Rodrigues, Rita de Cássia Avellaneda Guimarães, Mariana Cantante, Paula Lopes, Joaquina Maurício, Jorge Oliveira, Cármen Jerónimo, Rui Henrique,
Background: The immune infiltrate plays an important part in testicular germ cell tumors, but it remains scarcely studied. We aimed at thoroughly characterizing the immune infiltrate and expression of immune checkpoints PD-L1/CTLA-4 and mismatch repair (MMR) proteins in these neoplasms, seeking for associations with patient outcome. Methods: A total of 162 consecutively diagnosed patients (2005–2018) were included. Immunostaining for PD-L1, CTLA-4 and MMR proteins was independently assessed both in ...
Tópico(s): Sarcoma Diagnosis and Treatment
2019 - Multidisciplinary Digital Publishing Institute | Cancers
Manuel Ângelo Rodrigues, Valentim Coelho, Margarida Arrobas, Eugénia Gouveia, Soraia Raimundo, Carlos M. Correia, Albino Bento,
Pests and diseases can cause significant loss of olive yield and/or justify control measures with pesticides which are harmful to the environment. Several agroecological variables, such as fertilization, can favour or limit the incidence of pests and diseases. However, in olive, few studies exist on the subject than can assist in the implementation of more sustainable phytosanitary measures. In this study the effect of nitrogen fertilization (0, 20, 40 and 120 kg N ha−1) on the incidence of olive ...
Tópico(s): Date Palm Research Studies
2019 - Elsevier BV | Scientia Horticulturae