19 results
Energy supplementation of beef steers or inclusion of legumes in temperate pastures in crop-livestock integration area
- Fernanda Bernardi Scheeren, Laércio Ricardo Sartor, Mirella Danna, Fernando Kuss, Wagner Paris, Alessandra Bianchin, Nathalia Marques Andriotti, Luís Fernando Glasenapp de Menezes
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- The Journal of Agricultural Science / Accepted manuscript
- Published online by Cambridge University Press:
- 30 May 2024, pp. 1-26
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Upper Cretaceous Clayey Levels from Western Portugal (Aveiro and Taveiro Regions): Clay Mineral and Trace-Element Distribution
- Rosa Marques, M. Isabel Dias, M. Isabel Prudêncio, Fernando Rocha
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- Clays and Clay Minerals / Volume 59 / Issue 3 / June 2011
- Published online by Cambridge University Press:
- 01 January 2024, pp. 315-327
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Clay-rich deposits of Upper Cretaceous levels in the Taveiro (Reveles and S. Pedro) and Aveiro (Bustos) regions of west-central Portugal are economically and environmentally important, but detailed chemical and mineralogical characterization is lacking. The purpose of this study was to partially fill that gap by correlating the trace-element geochemistry (particularly the rare earth elements, REE) with the mineralogy of both the whole rock and of the <2 μm fraction along selected stratigraphic levels of the formations. The results will help the ceramics industry in the region and will be important in paleoreconstruction environmental studies.
Mineralogical and chemical characterizations were carried out using X-ray diffraction (XRD), X-ray fluorescence (XRF), and instrumental neutron activation analysis (INAA). The following clay-mineral associations were identified: (1) at Reveles — smectite, illite, and kaolin minerals; (2) at S. Pedro — kaolin minerals and illite; and (3) at Bustos — illite, kaolin minerals, and mixed-layer illite-smectite. The distribution of trace elements in the <2 μm fraction depended on the clay mineralogy, suggesting that the trace elements were incorporated in, adsorbed to, or even replaced major elements in the clays, as follows: (1) first-row transition elements, particularly Zn and Ga, were enriched when smectite predominated; (2) As, Rb, and Cs were enriched in this fraction of the S. Pedro deposit, the only one with Fe (oxyhydr)oxides and a high proportion of illite; and (3) REE were more concentrated when kaolin minerals predominated. Eu was enriched in the <2 μm fraction, which was due to preferential incorporation in the Fe (oxyhydr)oxides and/or carbonates.
Recent advances in the use of bacterial probiotics in animal production
- Alberto Gonçalves Evangelista, Jessica Audrey Feijó Corrêa, Anne Caroline Marques Schoch Pinto, Francieli Dalvana Ribeiro Gonçalves, Fernando Bittencourt Luciano
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- Animal Health Research Reviews , First View
- Published online by Cambridge University Press:
- 11 December 2023, pp. 1-13
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Animal husbandry is increasingly under pressure to meet world food demand. Thus, strategies are sought to ensure this productivity increment. The objective of this review was to gather advances in the use of bacterial probiotics in animal production. Lactobacilli correspond to the most used bacterial group, with several beneficial effects already reported and described, as well as the Enterococcus and Pediococcus genera – being the latter expressively used in aquaculture. Research on the Bifidobacterium genus is mostly focused on human health, which demonstrates great effects on blood biochemical parameters. Such results sustain the possibility of expanding its use in veterinary medicine. Other groups commonly assessed for human medicine but with prospective expansion to animal health are the genera Leuconostoc and Streptococcus, which have been demonstrating interesting effects on the prevention of viral diseases, and in dentistry, respectively. Although bacteria from the genera Bacillus and Lactococcus also have great potential for use in animal production, a complete characterization of the candidate strain must be previously made, due to the existence of pathogenic and/or spoilage variants. It is noteworthy that a growing number of studies have investigated the genus Propionibacterium, but still in very early stages. However, the hitherto excellent results endorse its application. In this way, in addition to the fact that bacterial probiotics represent a promising approach to promote productivity increase in animal production, the application of other strains than the traditionally employed genera may allow the exploitation of novel mechanisms and enlighten unexplored possibilities.
Comparison of two electronic hand hygiene systems using real-time feedback via wireless technology to improve hand hygiene compliance in an intensive care unit
- José R. Generoso, Jr, Eduardo Casaroto, Ary Serpa Neto, Marcelo Prado, Guilherme M. Gagliardi, Fernando Gatti de Menezes, Priscila Gonçalves, Fábio Barlem Hohmann, Guilherme Benfatti Olivato, Gustavo Potratz Gonçalves, Andréa Marques Pereira, Nathalia Xavier, Marcelo Fernandes Miguel, Elivane da Silva Victor, Michael B. Edmond, Alexandre R. Marra
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- Journal:
- Antimicrobial Stewardship & Healthcare Epidemiology / Volume 2 / Issue 1 / 2022
- Published online by Cambridge University Press:
- 25 July 2022, e127
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Background:
Most hand hygiene (HH) intervention studies use a quasi-experimental design, are primarily uncontrolled before-and-after studies, or are controlled before-and-after studies with a nonequivalent control group. Well-funded studies with improved designs and HH interventions are needed.
Objectives:To evaluate healthcare worker (HCW) HH compliance with alcohol-based hand rub (ABHR) through direct observation (human observer), 2 electronic technologies, a radio frequency identification (RFID) badge system, and an invasive device sensor.
Methods:In our controlled experimental study, 2,269 observations were made over a 6-month period from July 1 to December 30, 2020, in a 4-bed intensive care unit. We compared HH compliance between a basic feedback loop system with RFID badges and an enhanced feedback loop system that utilized sensors on invasive devices.
Results:Real-time feedback by wireless technology connected to a patient’s invasive device (enhanced feedback loop) resulted in a significant increase in HH compliance (69.5% in the enhanced group vs 59.1% in the basic group; P = .0001).
Conclusion:An enhanced feedback loop system connected to invasive devices, providing real-time alerts to HCWs, is effective in improving HH compliance.
FGF18 modulates CTGF mRNA expression in cumulus–oocyte complexes and early bovine embryos: preliminary data
- Elisabeth Schmidt da Silva, Carolina Amaral, Marcos Barreta, Alfredo Antoniazzi, Leonardo Guedes de Andrade, Rogério Ferreira, Fernando Mesquita, Valério Marques Portela, Paulo Bayard Gonçalves
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The Hippo pathway is involved in the proliferation of intrafollicular cells and in early embryonic development, mainly because effectors of this pathway are key transcription regulators of genes such as CTGF and CYR61, which are involved in cell proliferation. Recent studies by our group found that fibroblast growth factor 18 (FGF18) is present in the fallopian tube during early embryonic development, leading to the hypothesis that FGF18 may have a role during embryonic development. Therefore, the aim of the following study was to determine whether FGF18 modulates the expression of Hippo pathway target genes, CTGF and CYR61, during oocyte maturation and early embryonic development. Three experiments were carried out, with in vitro maturation (IVM) of cumulus–oocyte complexes (COCs) and embryo culture. In experiment one, FGF18 (100 ng/ml) induced an increase (P < 0.05) in CTGF gene expression at 12 h post-exposure. In experiment two, FGF18 (100 ng/ml) induced a reduction (P < 0.05) in CTGF expression at 3 h post-exposure. In the third experiment, day 7 embryos exposed to FGF18 during oocyte IVM expressed greater CTGF mRNA abundance, whereas FGF18 exposure during embryo in vitro embryo culture did not alter CTGF expression in comparison with untreated controls. The preliminary data presented here show that FGF18 modulates CTGF expression in critical periods of oocyte nuclear maturation, cumulus expansion and early embryonic development in cattle.
‘The kind of doctor I wanted to be.’ A qualitative analysis of junior doctors’ reasons for choosing to train in psychiatry and in Wales
- Alan Slater, Rugi Saeed, Marque Fernando, Ceri Evans
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- BJPsych Open / Volume 7 / Issue S1 / June 2021
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- 18 June 2021, p. S351
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Aims
To understand the factors underpinning junior doctors’ decision-making processes regarding their choice of psychiatry as a speciality, and why they chose to pursue specialty training in Wales.
BackgroundOver recent years there have been significant challenges in recruiting junior doctors into psychiatry specialty training, both within the UK and in Wales. To counter this a number of measures have been instituted, including advertising campaigns from the Royal College of Psychiatrists (‘Choose Psychiatry’) and Health Education and Improvement Wales (HEIW) (‘Train Work Live’), together with financial incentives. To date there has been no published evaluation of the effectiveness of these measures.
MethodTwo focus groups were run (in August 2019 and January 2020) with trainees appointed to new training posts in August 2019. The focus groups featured set questions acting as prompts for discussion. These focused on various factors behind making decisions to train in Psychiatry and choosing to train within HEIW. The focus groups were recorded and transcribed. Following this a thematic analysis was conducted to identify key elements arising from the discussions.
ResultThe focus groups were attended by 14 trainees in total (eleven CT1s, four ST4s.) Living in Wales prior to appointment was the most common factor in leading participants to choose to train in Wales, jointly with having a support network (friends or family) in Wales (each present in 57%, n = 8.) Perceptions around a favourable work-life balance were also important (45%, n = 5.) Interactions with staff in an ambassadorial or support role were a significant driver, especially for international medical graduates. Financial incentives and advertising campaigns appeared to have limited influence over participants’ decision-making, awareness of these being highest among those already working in psychiatry or in Wales.
Having a foundation year job with a psychiatry placement was a common theme in choosing psychiatry as a specialty (43%, n = 6.) Work-life balance of the specialty was also important (21%, n = 3.) Again, after these it was hard to identify coherent themes.
ConclusionWe identified three separate groups, namely CT1s, ST4s and international medical graduates, each with distinct themes underlying a range of needs. There was a broad range of factors underlying trainees’ decisions which should be reflected when planning future recruitment strategies. It appeared that advertising campaigns and financial incentives were of limited influence.
Leaf and root attributes as growth and phosphorus uptake determinants in two grass species from South America’s natural grasslands
- Anderson Cesar Ramos Marques, Fernando Luiz Ferreira de Quadros, Gustavo Brunetto, Leticia Frizzo Ferigolo, Raissa Schwalbert, Bianca Knebel Del Frari, Gíllian Santos Fernandes, Fernando Teixeira Nicoloso
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- Journal:
- Journal of Tropical Ecology / Volume 36 / Issue 6 / November 2020
- Published online by Cambridge University Press:
- 10 March 2021, pp. 275-281
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Phosphorus uptake by grass species from natural South American grasslands can change depending on root and leaf attributes capable of determining higher, or lower, relative growth rate. The aim of the current study is to investigate whether leaf and root attributes capable of determining leaf and root area production in native C4 grass species Axonopus affinis and Andropogon lateralis are related to higher relative growth rate (RGR), P uptake capacity (maximum P influx; Imax) and concentration. Species grown in 2-litre pots with added nutrition solution were subjected to two treatments, namely 5 μM P l−1 and 30 μM P l−1. Solution aliquots (10 ml) were collected for 30 hours at the end of the study to determine P concentrations. RGR was 3.6 and 2.8 times higher in A. affinis than in A. lateralis in treatments with 5 μM P and 30 μM P. Axonopus affinis recorded the highest P concentration in leaf tissue. This outcome was associated with Imax 85% higher in A. affinis. High RGR was associated with larger leaf and root surface area per dry mass unit, as well as with high P influx capacity and with higher affinity transporters. These species often prevail in areas accounting for greater natural fertility and are more responsive to phosphate fertilization.
The multiple facets of psychopathy in attack and defense conflicts
- Tiago O. Paiva, Rui C. Coelho, Rita Pasion, Beatriz Ribeiro, Pedro R. Almeida, Fernando Ferreira-Santos, João Marques-Teixeira, Fernando Barbosa
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- Journal:
- Behavioral and Brain Sciences / Volume 42 / 2019
- Published online by Cambridge University Press:
- 13 August 2019, e135
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With respect to De Dreu and Gross's article, we comment on the psychological functions for attack and defense, focusing on associations between individual differences in psychopathic personality traits and the behavioral patterns observed in attack-defense conflicts. We highlight the dimensional nature of psychopathy and formulate hypothetical associations between distinct traits, their different behavioral outcomes, and associated brain mechanisms.
Phosphorus fractionation in grasses with different resource-acquisition characteristics in natural grasslands of South America
- Anderson Cesar Ramos Marques, Rogério Piccin, Tales Tiecher, Leandro Bittencourt de Oliveira, João Kaminski, Roque Junior Sartori Bellinaso, Amanda Veridiana Krug, Luciano Colpo Gatiboni, Fernando Luiz Ferreira de Quadros, Corina Carranca, Gustavo Brunetto
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- Journal:
- Journal of Tropical Ecology / Volume 35 / Issue 5 / September 2019
- Published online by Cambridge University Press:
- 17 June 2019, pp. 203-212
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The natural grasslands in South America have soils with low phosphorus (P) availability (1.0 to 7.5 mg kg−1), possibly altering the absorption and accumulation of P in grasses. We evaluated the chemical fractionation of P in the leaves of the most important grasses present in these grasslands to better understand the mechanisms involved in the storage of P. The grasses studied were Axonopus affinis and Paspalum notatum (fast tissue cycling and high nutrient demand) and Andropogon lateralis and Aristida laevis (slow tissue cycling and low nutrient demand). They were grown in pots filled with an Ultisol with two levels of P: control, and addition of 50 mg P kg–1. The main P fractions were the inorganic soluble (44%) and P in RNA (26%). Addition of P increased the total P concentration, following the order A. affinis (140%) > P. notatum (116%) > A. lateralis (81%) > A. laevis (21%). In conclusion, the species A. affinis and P. notatum responded to P fertilization with high variation and accumulating P in less-structural chemical forms, such as inorganic P. The species A. lateralis and A. laevis showed low variation in the concentration of P forms, with higher P concentrations in structural forms.
Stress, Hardness and Elastic Modulus of Bismuth Triiodide (BiI3)
- Natália F. Coutinho, Silvia Cucatti, Rafael B. Merlo, Vinicius G. Antunes, Fernando Alvarez, Francisco C. Marques
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- Journal:
- MRS Advances / Volume 3 / Issue 64 / 2018
- Published online by Cambridge University Press:
- 16 October 2018, pp. 3925-3931
- Print publication:
- 2018
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Bismuth triiodide (BiI3) has been studied aiming the development of lead-free photovoltaic materials. It can also be used as X-ray detectors due to the high density of its elements (bismuth and iodine). We investigate the mechanical stress, hardness, and elastic properties of BiI3 thin films deposited by thermal evaporation. The stress was determined by the bending beam technique using the Stoney equation. The films are tensile with stress of approximately 27 MPa. The hardness and the elastic modulus were determined by nanoindentation technique using a Berkovich diamond tip. The hardness of the films is approximately 0.8 GPa and the reduced Young´s modulus is ∼28 GPa for maximum penetration depth of 10% of the film thickness.
UPLAND RICE CULTIVAR RESPONSES TO ROW SPACING AND WATER STRESS ACROSS MULTIPLE ENVIRONMENTS
- ALEXANDRE BRYAN HEINEMANN, JULIAN RAMIREZ-VILLEGAS, ADRIANO STEPHAN NASCENTE, WALMES MARQUES ZEVIANI, LUÍS FERNANDO STONE, PAULO CESAR SENTELHAS
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- Experimental Agriculture / Volume 53 / Issue 4 / October 2017
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- 18 October 2016, pp. 609-626
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Upland rice (Oryza sativa L., UR) could be an option under soybean–maize crop rotation system. However, the recommended row spacing for UR (0.30 m) is shorter than that recommended for soybean and corn (0.40 m), limiting the use of UR in this rotation. We hypothesize that cultivar adaptation to wider than recommended row spacing and local environmental conditions harbour significant potential for overcoming the yield constraints of wider row spacing. We evaluated the row spacing effects on rice grain yield and their components in UR cultivars grown under different water deficit conditions. The experiments were designed as a randomized block in a split–split-plot scheme with sites (the cities of Santo Antônio de Goiás, Porangatu and Formoso) as main plots, row spacing (0.25, 0.35, 0.45 and 0.55 m) as the subplots and UR cultivars (one old and two modern genotypes) as the sub-subplots. We found that, in the less stressful environments, the modern cultivars, BRSMG Curinga and BRS Primavera, presented the highest grain yield. By contrast, in environments with moderate to intense water stress, the traditional cultivar, Douradão, presented the best performance, regardless of row spacing used. We conclude that UR is a viable option for soybean–maize rotation systems, as the UR cultivars tested presented no noticeable yield losses when sown with the same row spacing used for soybean and maize crops (0.40 m). In terms of impact, it can lead to an increase in UR cropped area in Brazil, and decrease in dependence on flooded rice harvested in the south of the country.
Results from Pilot Archaeological Fieldwork at the Carrazedo Site, Lower Xingu River, Amazonia
- Anna T. Browne Ribeiro, Helena P. Lima, Fernando L. T. Marques, Morgan J. Schmidt, Kevin S. McDaniel
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- Latin American Antiquity / Volume 27 / Issue 3 / September 2016
- Published online by Cambridge University Press:
- 20 January 2017, pp. 318-339
- Print publication:
- September 2016
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Increasingly, archaeological research in Amazonia is revealing complex precolonial occupation in areas around riverine confluences. In 2014, the first site-based archaeological investigations were undertaken in Gurupá, Pará, Brazil, a municipality that spans the region of the Xingu-Amazon confluence. The Portuguese controlled access to Amazonia from 1623 onward through a network of settlements organized around Gurupá. Results from extensive excavations of terra preta sites, landscape archaeology, and analysis of ceramic evidence suggest that this was also a precolonial crossroads. Carrazedo, once a booming historical town (Arapijó), sits atop a significantly larger terra preta site. Excavations in historical and precolonial sectors of Carrazedo found well-preserved remains, including a precolonial house terrace complex. The extent of terra preta and earthworks at Carrazedo indicate that the precolonial occupation was more intensive than the colonial-historical period occupation. Regional survey revealed colonial-historical period sites consistently overlying expansive precolonial sites, the density and extent of which suggest a major precolonial center at the Xingu-Amazon confluence. Overall, ecological and landscape modifications appear to have been more intense in the precolonial past than during later periods. Short- and long-distance settlement networks also differed during the two periods. This as-of-yet understudied region promises to shed new light on deep-time human-environment interactions and spatial organization in the humid tropics of Amazonia.
Effects of salinity and temperature on in vitro cell cycle and proliferation of Perkinsus marinus from Brazil
- FERNANDO RAMOS QUEIROGA, LUIS FERNANDO MARQUES-SANTOS, ISAC ALMEIDA DE MEDEIROS, PATRÍCIA MIRELLA DA SILVA
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- Journal:
- Parasitology / Volume 143 / Issue 4 / April 2016
- Published online by Cambridge University Press:
- 18 February 2016, pp. 475-487
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Field and in vitro studies have shown that high salinities and temperatures promote the proliferation and dissemination of Perkinsus marinus in several environments. In Brazil, the parasite infects native oysters Crassostrea gasar and Crassostrea rhizophorae in the Northeast (NE), where the temperature is high throughout the year. Despite the high prevalence of Perkinsus spp. infection in oysters from the NE of Brazil, no mortality events were reported by oyster farmers to date. The present study evaluated the effects of salinity (5, 20 and 35 psu) and temperature (15, 25 and 35 °C) on in vitro proliferation of P. marinus isolated from a host (C. rhizophorae) in Brazil, for a period of up to 15 days and after the return to the control conditions (22 days; recovery). Different cellular parameters (changes of cell phase's composition, cell density, viability and production of reactive oxygen species) were analysed using flow cytometry. The results indicate that the P. marinus isolate was sensitive to the extreme salinities and temperatures analysed. Only the highest temperature caused lasting cell damage under prolonged exposure, impairing P. marinus recovery, which is likely to be associated with oxidative stress. These findings will contribute to the understanding of the dynamics of perkinsiosis in tropical regions.
Structure and Growth of Sialoliths: Computed Microtomography and Electron Microscopy Investigation of 30 Specimens
- Pedro Nolasco, Ana J. Anjos, João M. Aquino Marques, Fernando Cabrita, Eduardo Carreiro da Costa, António Maurício, Manuel F.C. Pereira, António P. Alves de Matos, Patricia A. Carvalho
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- Journal:
- Microscopy and Microanalysis / Volume 19 / Issue 5 / October 2013
- Published online by Cambridge University Press:
- 04 September 2013, pp. 1190-1203
- Print publication:
- October 2013
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Theories have been put forward on the etiology of sialoliths; however, a comprehensive understanding of their growth mechanisms is lacking. In an attempt to fill this gap, the current study has evaluated the internal architecture and growth patterns of a set of 30 independent specimens of sialoliths characterized at different scales by computed microtomography and electron microscopy. Tomography reconstructions showed cores in most of the sialoliths. The cores were surrounded by concentric or irregular patterns with variable degrees of mineralization. Regardless of the patterns, at finer scales the sialoliths consisted of banded and globular structures. The distribution of precipitates in the banded structures is compatible with a Liesegang–Ostwald phenomenon. On the other hand, the globular structures appear to arise from surface tension effects and to develop self-similar features as a result of a viscous fingering process. Electron diffraction patterns demonstrated that Ca- and P-based electrolytes crystallize in a structure close to that of hydroxyapatite. The organic matter contained sulfur with apparent origin from sulfated components of secretory material. These results cast new light on the mechanisms involved in the formation of sialoliths.
Contributors
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- By Rose Teteki Abbey, K. C. Abraham, David Tuesday Adamo, LeRoy H. Aden, Efrain Agosto, Victor Aguilan, Gillian T. W. Ahlgren, Charanjit Kaur AjitSingh, Dorothy B E A Akoto, Giuseppe Alberigo, Daniel E. Albrecht, Ruth Albrecht, Daniel O. Aleshire, Urs Altermatt, Anand Amaladass, Michael Amaladoss, James N. Amanze, Lesley G. Anderson, Thomas C. Anderson, Victor Anderson, Hope S. Antone, María Pilar Aquino, Paula Arai, Victorio Araya Guillén, S. Wesley Ariarajah, Ellen T. Armour, Brett Gregory Armstrong, Atsuhiro Asano, Naim Stifan Ateek, Mahmoud Ayoub, John Alembillah Azumah, Mercedes L. García Bachmann, Irena Backus, J. Wayne Baker, Mieke Bal, Lewis V. Baldwin, William Barbieri, António Barbosa da Silva, David Basinger, Bolaji Olukemi Bateye, Oswald Bayer, Daniel H. Bays, Rosalie Beck, Nancy Elizabeth Bedford, Guy-Thomas Bedouelle, Chorbishop Seely Beggiani, Wolfgang Behringer, Christopher M. Bellitto, Byard Bennett, Harold V. Bennett, Teresa Berger, Miguel A. Bernad, Henley Bernard, Alan E. Bernstein, Jon L. Berquist, Johannes Beutler, Ana María Bidegain, Matthew P. Binkewicz, Jennifer Bird, Joseph Blenkinsopp, Dmytro Bondarenko, Paulo Bonfatti, Riet en Pim Bons-Storm, Jessica A. Boon, Marcus J. Borg, Mark Bosco, Peter C. Bouteneff, François Bovon, William D. Bowman, Paul S. Boyer, David Brakke, Richard E. Brantley, Marcus Braybrooke, Ian Breward, Ênio José da Costa Brito, Jewel Spears Brooker, Johannes Brosseder, Nicholas Canfield Read Brown, Robert F. Brown, Pamela K. Brubaker, Walter Brueggemann, Bishop Colin O. Buchanan, Stanley M. Burgess, Amy Nelson Burnett, J. Patout Burns, David B. Burrell, David Buttrick, James P. Byrd, Lavinia Byrne, Gerado Caetano, Marcos Caldas, Alkiviadis Calivas, William J. Callahan, Salvatore Calomino, Euan K. Cameron, William S. Campbell, Marcelo Ayres Camurça, Daniel F. Caner, Paul E. Capetz, Carlos F. Cardoza-Orlandi, Patrick W. Carey, Barbara Carvill, Hal Cauthron, Subhadra Mitra Channa, Mark D. Chapman, James H. Charlesworth, Kenneth R. Chase, Chen Zemin, Luciano Chianeque, Philip Chia Phin Yin, Francisca H. Chimhanda, Daniel Chiquete, John T. Chirban, Soobin Choi, Robert Choquette, Mita Choudhury, Gerald Christianson, John Chryssavgis, Sejong Chun, Esther Chung-Kim, Charles M. A. Clark, Elizabeth A. Clark, Sathianathan Clarke, Fred Cloud, John B. Cobb, W. Owen Cole, John A Coleman, John J. Collins, Sylvia Collins-Mayo, Paul K. Conkin, Beth A. Conklin, Sean Connolly, Demetrios J. Constantelos, Michael A. Conway, Paula M. Cooey, Austin Cooper, Michael L. Cooper-White, Pamela Cooper-White, L. William Countryman, Sérgio Coutinho, Pamela Couture, Shannon Craigo-Snell, James L. Crenshaw, David Crowner, Humberto Horacio Cucchetti, Lawrence S. Cunningham, Elizabeth Mason Currier, Emmanuel Cutrone, Mary L. Daniel, David D. Daniels, Robert Darden, Rolf Darge, Isaiah Dau, Jeffry C. Davis, Jane Dawson, Valentin Dedji, John W. de Gruchy, Paul DeHart, Wendy J. Deichmann Edwards, Miguel A. De La Torre, George E. Demacopoulos, Thomas de Mayo, Leah DeVun, Beatriz de Vasconcellos Dias, Dennis C. Dickerson, John M. Dillon, Luis Miguel Donatello, Igor Dorfmann-Lazarev, Susanna Drake, Jonathan A. Draper, N. Dreher Martin, Otto Dreydoppel, Angelyn Dries, A. J. Droge, Francis X. D'Sa, Marilyn Dunn, Nicole Wilkinson Duran, Rifaat Ebied, Mark J. Edwards, William H. Edwards, Leonard H. Ehrlich, Nancy L. Eiesland, Martin Elbel, J. Harold Ellens, Stephen Ellingson, Marvin M. Ellison, Robert Ellsberg, Jean Bethke Elshtain, Eldon Jay Epp, Peter C. Erb, Tassilo Erhardt, Maria Erling, Noel Leo Erskine, Gillian R. Evans, Virginia Fabella, Michael A. Fahey, Edward Farley, Margaret A. Farley, Wendy Farley, Robert Fastiggi, Seena Fazel, Duncan S. Ferguson, Helwar Figueroa, Paul Corby Finney, Kyriaki Karidoyanes FitzGerald, Thomas E. FitzGerald, John R. Fitzmier, Marie Therese Flanagan, Sabina Flanagan, Claude Flipo, Ronald B. Flowers, Carole Fontaine, David Ford, Mary Ford, Stephanie A. Ford, Jim Forest, William Franke, Robert M. Franklin, Ruth Franzén, Edward H. Friedman, Samuel Frouisou, Lorelei F. Fuchs, Jojo M. Fung, Inger Furseth, Richard R. Gaillardetz, Brandon Gallaher, China Galland, Mark Galli, Ismael García, Tharscisse Gatwa, Jean-Marie Gaudeul, Luis María Gavilanes del Castillo, Pavel L. Gavrilyuk, Volney P. Gay, Metropolitan Athanasios Geevargis, Kondothra M. George, Mary Gerhart, Simon Gikandi, Maurice Gilbert, Michael J. Gillgannon, Verónica Giménez Beliveau, Terryl Givens, Beth Glazier-McDonald, Philip Gleason, Menghun Goh, Brian Golding, Bishop Hilario M. Gomez, Michelle A. Gonzalez, Donald K. Gorrell, Roy Gottfried, Tamara Grdzelidze, Joel B. Green, Niels Henrik Gregersen, Cristina Grenholm, Herbert Griffiths, Eric W. Gritsch, Erich S. Gruen, Christoffer H. Grundmann, Paul H. Gundani, Jon P. Gunnemann, Petre Guran, Vidar L. Haanes, Jeremiah M. Hackett, Getatchew Haile, Douglas John Hall, Nicholas Hammond, Daphne Hampson, Jehu J. Hanciles, Barry Hankins, Jennifer Haraguchi, Stanley S. Harakas, Anthony John Harding, Conrad L. Harkins, J. William Harmless, Marjory Harper, Amir Harrak, Joel F. Harrington, Mark W. Harris, Susan Ashbrook Harvey, Van A. Harvey, R. Chris Hassel, Jione Havea, Daniel Hawk, Diana L. Hayes, Leslie Hayes, Priscilla Hayner, S. Mark Heim, Simo Heininen, Richard P. Heitzenrater, Eila Helander, David Hempton, Scott H. Hendrix, Jan-Olav Henriksen, Gina Hens-Piazza, Carter Heyward, Nicholas J. Higham, David Hilliard, Norman A. Hjelm, Peter C. Hodgson, Arthur Holder, M. Jan Holton, Dwight N. Hopkins, Ronnie Po-chia Hsia, Po-Ho Huang, James Hudnut-Beumler, Jennifer S. Hughes, Leonard M. Hummel, Mary E. Hunt, Laennec Hurbon, Mark Hutchinson, Susan E. Hylen, Mary Beth Ingham, H. Larry Ingle, Dale T. Irvin, Jon Isaak, Paul John Isaak, Ada María Isasi-Díaz, Hans Raun Iversen, Margaret C. Jacob, Arthur James, Maria Jansdotter-Samuelsson, David Jasper, Werner G. Jeanrond, Renée Jeffery, David Lyle Jeffrey, Theodore W. Jennings, David H. Jensen, Robin Margaret Jensen, David Jobling, Dale A. Johnson, Elizabeth A. Johnson, Maxwell E. Johnson, Sarah Johnson, Mark D. Johnston, F. Stanley Jones, James William Jones, John R. Jones, Alissa Jones Nelson, Inge Jonsson, Jan Joosten, Elizabeth Judd, Mulambya Peggy Kabonde, Robert Kaggwa, Sylvester Kahakwa, Isaac Kalimi, Ogbu U. Kalu, Eunice Kamaara, Wayne C. Kannaday, Musimbi Kanyoro, Veli-Matti Kärkkäinen, Frank Kaufmann, Léon Nguapitshi Kayongo, Richard Kearney, Alice A. Keefe, Ralph Keen, Catherine Keller, Anthony J. Kelly, Karen Kennelly, Kathi Lynn Kern, Fergus Kerr, Edward Kessler, George Kilcourse, Heup Young Kim, Kim Sung-Hae, Kim Yong-Bock, Kim Yung Suk, Richard King, Thomas M. King, Robert M. Kingdon, Ross Kinsler, Hans G. Kippenberg, Cheryl A. 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Phan, Isabel Apawo Phiri, William S. F. Pickering, Derrick G. Pitard, William Elvis Plata, Zlatko Plese, John Plummer, James Newton Poling, Ronald Popivchak, Andrew Porter, Ute Possekel, James M. Powell, Enos Das Pradhan, Devadasan Premnath, Jaime Adrían Prieto Valladares, Anne Primavesi, Randall Prior, María Alicia Puente Lutteroth, Eduardo Guzmão Quadros, Albert Rabil, Laurent William Ramambason, Apolonio M. Ranche, Vololona Randriamanantena Andriamitandrina, Lawrence R. Rast, Paul L. Redditt, Adele Reinhartz, Rolf Rendtorff, Pål Repstad, James N. Rhodes, John K. Riches, Joerg Rieger, Sharon H. Ringe, Sandra Rios, Tyler Roberts, David M. Robinson, James M. Robinson, Joanne Maguire Robinson, Richard A. H. Robinson, Roy R. Robson, Jack B. Rogers, Maria Roginska, Sidney Rooy, Rev. Garnett Roper, Maria José Fontelas Rosado-Nunes, Andrew C. Ross, Stefan Rossbach, François Rossier, John D. Roth, John K. Roth, Phillip Rothwell, Richard E. 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Yee, Viktor Yelensky, Yeo Khiok-Khng, Gustav K. K. Yeung, Angela Yiu, Amos Yong, Yong Ting Jin, You Bin, Youhanna Nessim Youssef, Eliana Yunes, Robert Michael Zaller, Valarie H. Ziegler, Barbara Brown Zikmund, Joyce Ann Zimmerman, Aurora Zlotnik, Zhuo Xinping
- Edited by Daniel Patte, Vanderbilt University, Tennessee
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- The Cambridge Dictionary of Christianity
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- 05 August 2012
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- 20 September 2010, pp xi-xliv
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Variability monitoring of OB stars during the Mons campaign
- Thierry Morel, Gregor Rauw, Thomas Eversberg, Filipe Alves, Wolfgang Arnold, Thomas Bergmann, Nelson G. Correia Viegas, Rémi Fahed, Alberto Fernando, Luis F. Gouveia Carreira, Thomas Hunger, Johan H. Knapen, Robin Leadbeater, Filipe Marques Dias, Anthony F. J. Moffat, Norbert Reinecke, José Ribeiro, Nando Romeo, José Sánchez Gallego, Eva M. dos Santos, Lothar Schanne, Otmar Stahl, Barbara Stober, Berthold Stober, Klaus Vollmann, Mike F. Corcoran, Sean M. Dougherty, Kenji Hamaguchi, Julian M. Pittard, Andy M. T. Pollock, Peredur M. Williams
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- Journal:
- Proceedings of the International Astronomical Union / Volume 6 / Issue S272 / July 2010
- Published online by Cambridge University Press:
- 12 July 2011, pp. 414-415
- Print publication:
- July 2010
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We present preliminary results of a 4-month campaign carried out in the framework of the Mons project, where time-resolved Hα observations are used to study the wind and circumstellar properties of a number of OB stars.
Spectroscopic follow-up of the colliding-wind binary WR 140 during the 2009 January periastron passage
- Rémi Fahed, Anthony F. J. Moffat, Juan Zorec, Thomas Eversberg, André-Nicolas Chené, Filipe Alves, Wolfgang Arnold, Thomas Bergmann, Luis F. Gouveia Carreira, Filipe Marques Dias, Alberto Fernando, José Sánchez Gallego, Thomas Hunger, Johan H. Knapen, Robin Leadbeater, Thierry Morel, Grégor Rauw, Norbert Reinecke, José Ribeiro, Nando Romeo, Eva M. dos Santos, Lothar Schanne, Otmar Stahl, Barbara Stober, Berthold Stober, Nelson G. Correia Viegas, Klaus Vollmann, Michael F. Corcoran, Sean M. Dougherty, Julian M. Pittard, Andy M. T. Pollock, Peredur M. Williams
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- Journal:
- Proceedings of the International Astronomical Union / Volume 6 / Issue S272 / July 2010
- Published online by Cambridge University Press:
- 12 July 2011, pp. 501-502
- Print publication:
- July 2010
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We present the results from the spectroscopic follow-up of WR140 (WC7 + O4-5) during its last periastron passage in january 2009. This object is known as the archetype of colliding wind binaries and has a relatively large period (≃8 years) and eccentricity (≃0.89). We provide updated values for the orbital parameters, new estimates for the WR and O star masses and new constraints on the mass-loss rates.
Conservation planning: a macroecological approach using the endemic terrestrial vertebrates of the Brazilian Cerrado
- José Alexandre Felizola Diniz-Filho, Luis Mauricio Bini, Míriam Plaza Pinto, Levi Carina Terribile, Guilherme de Oliveira, Cleiber Marques Vieira, Daniel Blamires, Bruno de Souza Barreto, Priscilla Carvalho, Thiago Fernando L.V.B. Rangel, Natalia Mundin Tôrres, Rogério Pereira Bastos
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Increasing rates of habitat loss and human occupation are creating demands for optimum strategies that maximize conservation efforts, despite the lack of detailed data required for implementation. Broad scale biogeographical data may furnish initial guidelines for conservation planning in a hierarchical framework for establishing conservation priorities and helping guide future research programmes. This approach may be critical in regions for which few detailed data on diversity, abundance and distribution are available, such as in the Cerrado biome of central Brazil. We used a macroecological approach, based on the extent of occurrence of 127 species of terrestrial vertebrates endemic to the Cerrado, to design a regional network of potential areas that represent all species at least once. The final network has a total of 24 regions widely distributed throughout the biome. We also evaluated these regions in terms of their human occupation by adding a cost for each cell based on 23 variables expressing variation in agricultural, demographic and cattle-ranching patterns on the Cerrado. Our analyses showed that conservation efforts should be concentrated in the south and south-east of the biome. This macroecological approach can provide broad guidelines for conservation and define the focus for more local and realistic conservation efforts.
Lead Iodide Thin Films Grown Using N.N-Dimethylformamide as Solvent
- Jose Fernando Condeles, Ademar Marques Caldeira-Filho, Marcelo Mulato
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- MRS Online Proceedings Library Archive / Volume 994 / 2007
- Published online by Cambridge University Press:
- 01 February 2011, 0994-F03-05
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- 2007
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Spray pyrolysis was used for the deposition of lead iodide (PbI2) thin films using N.N-dimethylformamide (DMF) as an alternative solvent under varying deposition parameters. Final thickness of 60 μm was obtained for a total deposition time of 2.5 hours. The films were characterized mainly by using Raman and photoluminescence, but additional techniques such as X-ray diffraction, scanning electron microscopy and dark conductivity as a function of temperature were also employed. Thick PbI2 films deposited by spray pyrolysis using DMF as a solvent are promising to be used in medical systems as X-ray imaging.