cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.8227583.v1
title: Sedentary behavior among university students: a systematic review

description: Abstract Estudos sobre o tema do comportamento sedentário (SB) em universitários têm sido publicados, diante disso o conhecimento sobre os métodos adotados torna-se importante para a ciência, e a caracterização das prevalências e fatores associados a esse atributo são essenciais no âmbito das políticas de saúde para esse grupo. Assim, o objetivo do presente estudo foi descrever as prevalências e os fatores associados, e as características metodológicas empregadas nas pesquisas sobre o SB em universitários. Uma busca nas bases de dados National Library of Medicine (PUBMED), Scientific Electronic Library Online (SciELO), Biblioteca Virtual em Saúde (BVS) e SCOPUS foi realizada. Este estudo adotou os itens e recomendações do Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA), e os artigos selecionados foram analisados conforme as características metodológicas, além das prevalências e os fatores associados ao SB. Dos 1.740 artigos encontrados nas bases de dados, 23 fizeram parte dessa revisão. Foram observadas prevalências para o tempo sentado de 34,0% a 90,2%. O uso de definições operacionais e pontos de corte foram diversificados, além do uso de variados instrumentos para estimar o SB. Foi observada a falta de padronização entre os pontos de corte para determinação do SB e das definições operacionais, como uso de instrumentos não validados. Dentre os fatores associados com maiores prevalências, destacaram-se o excesso de peso e os sintomas depressivos. Conclui-se que as prevalências de SB foram elevadas em domínios não relacionados ao tempo dedicado aos estudos e características biológicas e psicológicas representaram atributos mais associados ao SB.
DOI: 10.6084/m9.figshare.8227586.v1
title: Endophytic microorganisms and nitrogen levels on rice plant growth

description: ABSTRACT Endophytic microorganisms can stimulate growth depending on the interaction between the host plant and soil nutrients availability. This work aimed to evaluate the growth of rice BRS Tropical plants cultivated with endophytic microorganisms and nitrogen levels in greenhouse. The experimental design was 4 x 4 factorial scheme completely randomized, corresponding to four treatments (control - without fungal inoculum and three mycorrhizal isolates: UFLA351 - Rhizoglomus clarum, UFLA372 - Claroideoglomus etunicatum and UFLA401 - Acaulospora morrowiae) and four doses of urea (0, 100, 300 and 600 mg Kg-1 N), with four replications. Rice BRS Tropical plants were colonized by arbuscular mycorrhizal fungi (AMF) and endophytic fungi dark septate (DSE). Nitrogen fertilization based on urea does not influenced colonization by UFLAs and by endophytic fungi DSE in rice plants. Nitrogen fertilization inhibited the formation of hyphae, but does not the production of vesicles and arbuscules of the UFLAs isolates. Mycorrhizal sporulation was inhibited by nitrogen fertilization, depending on the fungi isolate. The control treatment rice plants colonization by endophytic fungi DSE, without AMF, was inhibited by nitrogen fertilization. The colonization by endophytic fungi DSE do not interfered in the mycorrhizal colonization by UFLA isolates. Rice BRS Tropical plants were responsive to the inoculation of isolates UFLA351 and UFLA401 with 600 mg Kg-1 N. Rice BRS Tropical plants cultivated without AMF and with 600 mg Kg-1 N were responsive to nitrogen fertilization.
DOI: 10.6084/m9.figshare.8227574
title: Aspects of mating behavior and antennal sensilla in Anomala inconstans Burmeister, 1844 (Coleoptera: Scarabaeidae: Rutelinae)

description: Abstract: When suitable, adults of Scarabaeidae usually form swarms to find food and breeding sites. The steps of mating behavior can be mediated by chemical communication, and antennal sensilla are released volatiles detection structures, as sexual pheromones. In present work the mating behavior and the antennal sensilla of Anomala inconstans Burmeister, 1844 are described. The study was conducted at the Universidade Estadual de Mato Grosso do Sul, Cassilândia, Brazil from March 2015 to December 2017. Adults were collected through a light trap and taken to the laboratory for studies. Field and laboratory observations provided data for the description of the steps of mating behavior. Adults swarms were registered from September to November 2015 at 05:30 pm to 00:00 am. Females display a calling behavior from 05:25 pm to 08:00 pm, in which they rub their posterior legs against their abdomen, and after a few minutes males are able to locate them. In laboratory, the mating process lasted 20.4 minutes on average, and the possibility of chemical communication between adults was here discussed. The antennae of the species have trichoid, chaetica, placoid types I, II and III, and coeloconic types I and II sensilla. Placoid sensilla are the most abundant and females have more sensilla than males.
DOI: 10.6084/m9.figshare.8227571
title: Diet and ecomorphology of predator fish species of the Amazonian floodplain lakes

description: Abstract: Amazonian floodplain lakes host a high diversity of predatory fish which coexist and exploit the high diversity of available prey. Morphology could be the characteristic most closely associated with their preferred feeding sources (prey). However, it is unclear whether this association is direct or indirect. If it is indirect, swimming performance or preferential position in the water column could be the most evident characteristic. To examine the degree to which fish morphology of predator fish species is correlated to their dietary inputs, we compared the existence of morphological and feeding dissimilarity among eight predator species with the association between predator morphologies and preferred prey. We collected, measured, and sampled the stomach contents of fish from two lowland floodplain lakes associated with the Solimões River, Brazil, in May, August, and November of 2014. Of 187 collected fish across eight species, five species showed fish to be the most important item in their diets and three preferentially ate shrimp. Principal components analyses of ecomorphological attributes divided the species according to their ability to find the prey, swimming performance of the predator, and prey size. While there was significant distinction between the varying morphologies of predators, we were unable to distinguish between the specific diet of these species and did not find a correlation between morphology and feeding. These results are likely due to the fact that there is great abundance and diversity of available prey in the Amazonian floodplain lakes, so opportunistic feeding may be the primary foraging strategy of predator fish species living in these environments.
DOI: 10.6084/m9.figshare.8227574.v1
title: Aspects of mating behavior and antennal sensilla in Anomala inconstans Burmeister, 1844 (Coleoptera: Scarabaeidae: Rutelinae)

description: Abstract: When suitable, adults of Scarabaeidae usually form swarms to find food and breeding sites. The steps of mating behavior can be mediated by chemical communication, and antennal sensilla are released volatiles detection structures, as sexual pheromones. In present work the mating behavior and the antennal sensilla of Anomala inconstans Burmeister, 1844 are described. The study was conducted at the Universidade Estadual de Mato Grosso do Sul, Cassilândia, Brazil from March 2015 to December 2017. Adults were collected through a light trap and taken to the laboratory for studies. Field and laboratory observations provided data for the description of the steps of mating behavior. Adults swarms were registered from September to November 2015 at 05:30 pm to 00:00 am. Females display a calling behavior from 05:25 pm to 08:00 pm, in which they rub their posterior legs against their abdomen, and after a few minutes males are able to locate them. In laboratory, the mating process lasted 20.4 minutes on average, and the possibility of chemical communication between adults was here discussed. The antennae of the species have trichoid, chaetica, placoid types I, II and III, and coeloconic types I and II sensilla. Placoid sensilla are the most abundant and females have more sensilla than males.
DOI: 10.6084/m9.figshare.8227571.v1
title: Diet and ecomorphology of predator fish species of the Amazonian floodplain lakes

description: Abstract: Amazonian floodplain lakes host a high diversity of predatory fish which coexist and exploit the high diversity of available prey. Morphology could be the characteristic most closely associated with their preferred feeding sources (prey). However, it is unclear whether this association is direct or indirect. If it is indirect, swimming performance or preferential position in the water column could be the most evident characteristic. To examine the degree to which fish morphology of predator fish species is correlated to their dietary inputs, we compared the existence of morphological and feeding dissimilarity among eight predator species with the association between predator morphologies and preferred prey. We collected, measured, and sampled the stomach contents of fish from two lowland floodplain lakes associated with the Solimões River, Brazil, in May, August, and November of 2014. Of 187 collected fish across eight species, five species showed fish to be the most important item in their diets and three preferentially ate shrimp. Principal components analyses of ecomorphological attributes divided the species according to their ability to find the prey, swimming performance of the predator, and prey size. While there was significant distinction between the varying morphologies of predators, we were unable to distinguish between the specific diet of these species and did not find a correlation between morphology and feeding. These results are likely due to the fact that there is great abundance and diversity of available prey in the Amazonian floodplain lakes, so opportunistic feeding may be the primary foraging strategy of predator fish species living in these environments.
DOI: 10.6084/m9.figshare.8227577.v1
title: Change and Actor-Network Theory: Humans and Non-Humans in Controversies for Implementing a Shared Services Center

description: Abstract In flow ontology, reality is change, while formal organizations are attempts to organize this flow, by working to stabilize controversies from the viewpoint of the Actor-Network Theory (ANT). Considering this approach, where social is a collectivity of humans and non-humans into networks, this study aims to grasp how agency by non-humans and humans takes place, as well as agency through their association, in change procedures having a non-technological focus. To do this, a longitudinal qualitative case study design was adopted, conducted from April 2011 to July 2012, at Company X, a provider of public services in the State of São Paulo, Brazil, where the implementation of a Shared Services Center (SSC) was in progress. For data construction, participatory observation, focus group, interviews, documents, and audiovisual materials were used, aiming at multivocality. Given the controversies' cartography, supported by dynamic network softwares, charts, and mental maps, the SSC implementation is described, on three scales, with various ranges, covering seventeen years of Company X. Controversies were mapped by themes, arguments, actants, and the positions they have taken, highlighting the agency of non-humans serving as mediators. Out of the forty most significant controversies, only 13 turned into black boxes, leading the SSC to be non-punctualized in the end of the research. The main contributions of the study are related to discussing control in change procedures, usually regarded by companies as planned episodic changes, as well as to the methodology for approaching the attempt to organize the ongoing change process that constitutes organizations.
DOI: 10.6084/m9.figshare.8227580.v1
title: Evidence-based public health: concepts, principles and applications to promote physical activity in the Brazilian context

description: Abstract The aim of this study was to present the Evidence-Based Public Health (EBPH), describing its concept, principles, application, and relate these theoretical elements for the promotion of Physical Activity (PA) in Brazil. A narrative research on EBPH was conducted in books and in the PUBMED database in 2017. EBPH stages comprise aspects widely disseminated in the public health area, which are beginning to be used for the promotion of PA in Brazil. The use of these concepts can improve Evidence-Based Decision Making (EBDM) through various aspects, including greater access to key scientific evidence, communication between those responsible for EBDM and researchers, in addition to investments in qualification of health professionals.
DOI: 10.6084/m9.figshare.8227562
title: Soil quality indicators under management systems in a Quilombola community in the Brazilian Cerrado

description: ABSTRACT: Soil management systems exert different effects on soil attributes, especially on the organic matter content, and, consequently, the soil aggregation. The aim of this study was to evaluate the impact of different land uses practiced by quilombola family farmers on water stable aggregates, glomalin and organic carbon in soil aggregates. Soil samples were collected at depths of 0-10 and 10-20 cm from areas cultivated under the following management systems: 1) conventional corn plantation (MA), 2) cultivation of citrus trees intercropped with annual crops (AC) (a conservationist approach), 3) pasture of Brachiaria (Urochloa spp.) (PA), and, as reference, an area of the Cerrado (CR) free of any anthropogenic interference. The studied areas were evaluated in a completely randomized design, with five replications, in a subplot scheme. The plots were the management systems and the subplots the depths. Soil macro-aggregates were predominant at both depths and the aggregate stability indices were higher than 90 % for all management systems. Total organic carbon in the two aggregate classes (micro and macro-aggregates) correlated with the MWD (mean weight-diameter), but not with the easily extractable glomalin (EEG) related soil protein. Soil micro and macro-aggregates, EEG and MWD discriminated management systems and are important soil quality indicators. The carbon content in both micro-aggregates (C-MIC) and macro-aggregates (C-MAC) of the intercropped system (AC) was higher than in the CR. The soil attributes that best separated the areas were C-MIC, MWD and EEG in macro-aggregates for the depth of 0-10 cm, and EEG in micro-aggregates, together with MWD and C-MAC for the depth of 10-20 cm.
DOI: 10.6084/m9.figshare.8227565
title: Prostaglandin E2 Induces Expression of Mineralization Genes by Undifferentiated Dental Pulp Cells

description: Abstract Prostaglandin E2 (PGE2) is a lipid mediator usually released during inflammation. This study aimed to investigate the potential of soluble or microsphere-loaded PGE2 on inducing differentiation of dental pulp stem cells. PGE2-loaded microspheres (MS) were prepared using an oil-in-water emulsion solvent extraction-evaporation process and were characterized. Mouse dental pulp stem cells (OD-21) were stimulated with soluble or PGE2-loaded MS (0.01 and 0.1 µM). Cell viability was determined by MTT colorimetric assay. Ibsp, Bmp2 and Runx2 expression was measured by quantitative reverse transcription polymerase chain reaction (qRT-PCR) after 3, 6, and 24 h. The results showed that the soluble PGE2 reduced dental pulp stem cells viability after 24 h of stimulation whereas PGE2-loaded MS did not. Soluble PGE2 up-regulated Ibsp and Bmp2 at 3 h, differently from PGE2-loaded MS. On the other hand, PGE2-MS induced Bmp2 and Runx2 at 6 h and Ibsp at 24 h. In conclusion, our in vitro results show that PGE2, soluble or loaded in MS are not cytotoxic and modulateIbsp,Bmp2, andRunx2gene expression in cultured OD-21 cells.
DOI: 10.6084/m9.figshare.8227565.v1
title: Prostaglandin E2 Induces Expression of Mineralization Genes by Undifferentiated Dental Pulp Cells

description: Abstract Prostaglandin E2 (PGE2) is a lipid mediator usually released during inflammation. This study aimed to investigate the potential of soluble or microsphere-loaded PGE2 on inducing differentiation of dental pulp stem cells. PGE2-loaded microspheres (MS) were prepared using an oil-in-water emulsion solvent extraction-evaporation process and were characterized. Mouse dental pulp stem cells (OD-21) were stimulated with soluble or PGE2-loaded MS (0.01 and 0.1 µM). Cell viability was determined by MTT colorimetric assay. Ibsp, Bmp2 and Runx2 expression was measured by quantitative reverse transcription polymerase chain reaction (qRT-PCR) after 3, 6, and 24 h. The results showed that the soluble PGE2 reduced dental pulp stem cells viability after 24 h of stimulation whereas PGE2-loaded MS did not. Soluble PGE2 up-regulated Ibsp and Bmp2 at 3 h, differently from PGE2-loaded MS. On the other hand, PGE2-MS induced Bmp2 and Runx2 at 6 h and Ibsp at 24 h. In conclusion, our in vitro results show that PGE2, soluble or loaded in MS are not cytotoxic and modulateIbsp,Bmp2, andRunx2gene expression in cultured OD-21 cells.
DOI: 10.6084/m9.figshare.8227550
title: Spatial and Intrannual Variability of Rainfall in South Region of the Mozambique, Southern Africa

description: Abstract Studies on the climatology of rainfall in the South Region of Mozambique (SRM) are essential for the planning of human activities, with emphasis on agriculture. Therefore, the diagnosis of seasonal and monthly trends in rainfall is necessary, mainly because it is a region with an irregular spatial-temporal distribution of rainfall. The variation of the monthly and seasonal rainfall in SRM was analyzed based on long-term rainfall series (45 years, 1960-2004). The cluster analysis (Ward's method) was applied to identify regions with homogeneous monthly rainfall. Based on the cluster analysis, three groups of stations with homogeneous monthly rainfall (G1, G2, and G3) and three stations that were not grouped (NDg) were identified. Rainfall showed a negative gradient toward G1 to G3 (northeast - southwest), and total among the largest in NDg stations (near to coast). The rainy season pattern was similar, with greater length in the seasons of the G1 and NDg, smaller in G3. The seasonal and monthly variability of rainfall in SRM is conditioned by Tropical Cyclones, Frontal Systems and warm Current of the Mozambique Channel, while the spatial variability is mainly conditioned by the Intertropical Convergence Zone.
DOI: 10.6084/m9.figshare.8227553
title: Water retention curve to analyze soil structure changes due to liming

description: Abstract: Liming can influence crop growth by altering pore geometry, pore size distribution and water retention characteristics in acid soils. The aim of this work is to determine liming effects on the soil structure based on analysis of water retention data using a cubic spline adjustment function. For that, the authors investigated the effect of three lime rates (0, 15 and 20 t ha-1) on soil water retention characteristics and pore size distribution of a silty-clay “Cambissolo Háplico Alumínico” (Dystrudept) located in the SE region of the Paraná State, Brazil. Soil cores were collected after 31 months of the experiment at 0-10 cm and 10-20 cm soil layers. Eleven matric potentials (from 0 to -7000 cm H2O) were employed to calculate soil water retention and pore size distribution curves. The pore size distribution curves revealed trimodal soil porosity with three distinct peaks. Equivalent pore diameters ranging from 9.18 µm to 13.18 µm separated structural and matrix domains. Small differences exist in the pore size distribution curves due to liming and between layers for all peaks. With no-till plus surface liming, the volume of large pores diminished at the two layers and the volume of small pores increased at the surface layer.
DOI: 10.6084/m9.figshare.8227562.v1
title: Soil quality indicators under management systems in a Quilombola community in the Brazilian Cerrado

description: ABSTRACT: Soil management systems exert different effects on soil attributes, especially on the organic matter content, and, consequently, the soil aggregation. The aim of this study was to evaluate the impact of different land uses practiced by quilombola family farmers on water stable aggregates, glomalin and organic carbon in soil aggregates. Soil samples were collected at depths of 0-10 and 10-20 cm from areas cultivated under the following management systems: 1) conventional corn plantation (MA), 2) cultivation of citrus trees intercropped with annual crops (AC) (a conservationist approach), 3) pasture of Brachiaria (Urochloa spp.) (PA), and, as reference, an area of the Cerrado (CR) free of any anthropogenic interference. The studied areas were evaluated in a completely randomized design, with five replications, in a subplot scheme. The plots were the management systems and the subplots the depths. Soil macro-aggregates were predominant at both depths and the aggregate stability indices were higher than 90 % for all management systems. Total organic carbon in the two aggregate classes (micro and macro-aggregates) correlated with the MWD (mean weight-diameter), but not with the easily extractable glomalin (EEG) related soil protein. Soil micro and macro-aggregates, EEG and MWD discriminated management systems and are important soil quality indicators. The carbon content in both micro-aggregates (C-MIC) and macro-aggregates (C-MAC) of the intercropped system (AC) was higher than in the CR. The soil attributes that best separated the areas were C-MIC, MWD and EEG in macro-aggregates for the depth of 0-10 cm, and EEG in micro-aggregates, together with MWD and C-MAC for the depth of 10-20 cm.
DOI: 10.6084/m9.figshare.8227550.v1
title: Spatial and Intrannual Variability of Rainfall in South Region of the Mozambique, Southern Africa

description: Abstract Studies on the climatology of rainfall in the South Region of Mozambique (SRM) are essential for the planning of human activities, with emphasis on agriculture. Therefore, the diagnosis of seasonal and monthly trends in rainfall is necessary, mainly because it is a region with an irregular spatial-temporal distribution of rainfall. The variation of the monthly and seasonal rainfall in SRM was analyzed based on long-term rainfall series (45 years, 1960-2004). The cluster analysis (Ward's method) was applied to identify regions with homogeneous monthly rainfall. Based on the cluster analysis, three groups of stations with homogeneous monthly rainfall (G1, G2, and G3) and three stations that were not grouped (NDg) were identified. Rainfall showed a negative gradient toward G1 to G3 (northeast - southwest), and total among the largest in NDg stations (near to coast). The rainy season pattern was similar, with greater length in the seasons of the G1 and NDg, smaller in G3. The seasonal and monthly variability of rainfall in SRM is conditioned by Tropical Cyclones, Frontal Systems and warm Current of the Mozambique Channel, while the spatial variability is mainly conditioned by the Intertropical Convergence Zone.