Uso problemático de redes sociales virtuales y miedo a quedar afuera (FoMO)

El uso problemático de Internet, y en particular de las redessociales virtuales (RSV), ha reactivado las discusiones sobre elmiedo a quedar afuera (Fear of missing out, FoMO), como unaemoción negativa que está incrementándose por asociación aluso de las tecnologías de información y comunicación (TIC). Conun total de 273 adultos, de 25 a 65 años de edad (M=42.18,D.s.=11.74), de ambos sexos y usuarios de al menos una RSV,se realizó un estudio descriptivo-correlacional que –coninstrumentos locales– indagó las variables uso problemático deRSV y FoMO, además de adicción a internet, ansiedadtecnológica, adicción al teléfono móvil y búsqueda de novedades.Asimismo se determinaron horas de uso no instrumental de TIC ycantidad de perfiles en RSV (intensidad de uso)

Genetic characterization of cassava (Manihot esculenta) landraces in Brazil assessed with simple sequence repeats

Based on nine microsatellite loci, the aim of this study was to appraise the genetic diversity of 42 cassava (Manihot esculenta) landraces from selected regions in Brazil, and examine how this variety is distributed according to origin in several municipalities in the states of Minas Gerais, São Paulo, Mato Grosso do Sul, Amazonas and Mato Grosso. High diversity values were found among the five above-mentioned regions, with 3.3 alleles per locus on an average, a high percentage of polymorphic loci varying from 88.8% to 100%, an average of 0.265 for observed heterozygosity and 0.570 for gene diversity. Most genetic diversity was concentrated within the regions themselves (HS = 0.52). Cluster analysis and principal component based scatter plotting showed greater similarity among landraces from São Paulo, Mato Grosso do Sul and Amazonas, whereas those from Minas Gerais were clustered into a sub-group within this group. The plants from Mato Grosso, mostly collected in the municipality of General Carneiro, provided the highest differentiation. The migration of human populations is one among the possible reasons for this closer resemblance or greater disparity among plants from the various regions

SEDIGISM: Structure, excitation, and dynamics of the inner Galactic interstellar medium

The origin and life-cycle of molecular clouds are still poorly constrained, despite their importance for understanding the evolution of the interstellar medium. Many large-scale surveys of the Galactic plane have been conducted recently, allowing for rapid progress in this field. Nevertheless, a sub-arcminute resolution global view of the large-scale distribution of molecular gas, from the diffuse medium to dense clouds and clumps, and of their relationshipto the spiral structure, is still missing. Aims. We have carried out a systematic, homogeneous, spectroscopic survey of the inner Galactic plane, in order to complement the many continuum Galactic surveys available with crucial distance and gas-kinematic information. Our aim is to combine this data set with recent infrared to sub-millimetre surveys at similar angular resolutions. © 2017 ESO

ATLASGAL - Ammonia observations towards the southern Galactic Plane

Context: The initial conditions of molecular clumps in which high-mass stars form are poorly understood. In particular, a more detailed study of the earliest evolutionary phases is needed. The APEX Telescope Large Area Survey of the whole inner Galactic disk at 870 μm, ATLASGAL, has therefore been conducted to discover high-mass star-forming regions at different evolutionary phases. Aims: We derive properties such as velocities, rotational temperatures, column densities, and abundances of a large sample of southern ATLASGAL clumps in the fourth quadrant. Methods: Using the Parkes telescope, we observed the NH3 (1, 1) to (3, 3) inversion transitions towards 354 dust clumps detected by ATLASGAL within a Galactic longitude range between 300° and 359° and a latitude within ± 1.5°. For a subsample of 289 sources, the N2H+ (1–0) line was measured with the Mopra telescope. Results: We measured a median NH3 (1, 1) line width of ~ 2 km s-1, rotational temperatures from 12 to 28 K with a mean of 18 K, and source-averaged NH3 abundances from 1.6 × 10-6 to 10-8. For a subsample with detected NH3 (2, 2) hyperfine components, we found that the commonly used method to compute the (2, 2) optical depth from the (1, 1) optical depth and the (2, 2) to (1, 1) main beam brightness temperature ratio leads to an underestimation of the rotational temperature and column density. A larger median virial parameter of ~ 1 is determined using the broader N2H+ line width than is estimated from the NH3 line width of ~ 0.5 with a general trend of a decreasing virial parameter with increasing gas mass. We obtain a rising NH3 (1, 1)/N2H+ line-width ratio with increasing rotational temperature. Conclusions: A comparison of NH3 line parameters of ATLASGAL clumps to cores in nearby molecular clouds reveals smaller velocity dispersions in low-mass than high-mass star-forming regions and a warmer surrounding of ATLASGAL clumps than the surrounding of low-mass cores. The NH3 (1, 1) inversion transition of 49% of the sources shows hyperfine structure anomalies. The intensity ratio of the outer hyperfine structure lines with a median of 1.27 ± 0.03 and a standard deviation of 0.45 is significantly higher than 1, while the intensity ratios of the inner satellites with a median of 0.9 ± 0.02 and standard deviation of 0.3 and the sum of the inner and outer hyperfine components with a median of 1.06 ± 0.02 and standard deviation of 0.37 are closer to 1

Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study

Funder: European Society of Intensive Care Medicine; doi: http://dx.doi.org/10.13039/501100013347Funder: Flemish Society for Critical Care NursesAbstract: Purpose: Intensive care unit (ICU) patients are particularly susceptible to developing pressure injuries. Epidemiologic data is however unavailable. We aimed to provide an international picture of the extent of pressure injuries and factors associated with ICU-acquired pressure injuries in adult ICU patients. Methods: International 1-day point-prevalence study; follow-up for outcome assessment until hospital discharge (maximum 12 weeks). Factors associated with ICU-acquired pressure injury and hospital mortality were assessed by generalised linear mixed-effects regression analysis. Results: Data from 13,254 patients in 1117 ICUs (90 countries) revealed 6747 pressure injuries; 3997 (59.2%) were ICU-acquired. Overall prevalence was 26.6% (95% confidence interval [CI] 25.9–27.3). ICU-acquired prevalence was 16.2% (95% CI 15.6–16.8). Sacrum (37%) and heels (19.5%) were most affected. Factors independently associated with ICU-acquired pressure injuries were older age, male sex, being underweight, emergency surgery, higher Simplified Acute Physiology Score II, Braden score 3 days, comorbidities (chronic obstructive pulmonary disease, immunodeficiency), organ support (renal replacement, mechanical ventilation on ICU admission), and being in a low or lower-middle income-economy. Gradually increasing associations with mortality were identified for increasing severity of pressure injury: stage I (odds ratio [OR] 1.5; 95% CI 1.2–1.8), stage II (OR 1.6; 95% CI 1.4–1.9), and stage III or worse (OR 2.8; 95% CI 2.3–3.3). Conclusion: Pressure injuries are common in adult ICU patients. ICU-acquired pressure injuries are associated with mainly intrinsic factors and mortality. Optimal care standards, increased awareness, appropriate resource allocation, and further research into optimal prevention are pivotal to tackle this important patient safety threat

Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study

Funder: European Society of Intensive Care Medicine; doi: http://dx.doi.org/10.13039/501100013347Funder: Flemish Society for Critical Care NursesAbstract: Purpose: Intensive care unit (ICU) patients are particularly susceptible to developing pressure injuries. Epidemiologic data is however unavailable. We aimed to provide an international picture of the extent of pressure injuries and factors associated with ICU-acquired pressure injuries in adult ICU patients. Methods: International 1-day point-prevalence study; follow-up for outcome assessment until hospital discharge (maximum 12 weeks). Factors associated with ICU-acquired pressure injury and hospital mortality were assessed by generalised linear mixed-effects regression analysis. Results: Data from 13,254 patients in 1117 ICUs (90 countries) revealed 6747 pressure injuries; 3997 (59.2%) were ICU-acquired. Overall prevalence was 26.6% (95% confidence interval [CI] 25.9–27.3). ICU-acquired prevalence was 16.2% (95% CI 15.6–16.8). Sacrum (37%) and heels (19.5%) were most affected. Factors independently associated with ICU-acquired pressure injuries were older age, male sex, being underweight, emergency surgery, higher Simplified Acute Physiology Score II, Braden score 3 days, comorbidities (chronic obstructive pulmonary disease, immunodeficiency), organ support (renal replacement, mechanical ventilation on ICU admission), and being in a low or lower-middle income-economy. Gradually increasing associations with mortality were identified for increasing severity of pressure injury: stage I (odds ratio [OR] 1.5; 95% CI 1.2–1.8), stage II (OR 1.6; 95% CI 1.4–1.9), and stage III or worse (OR 2.8; 95% CI 2.3–3.3). Conclusion: Pressure injuries are common in adult ICU patients. ICU-acquired pressure injuries are associated with mainly intrinsic factors and mortality. Optimal care standards, increased awareness, appropriate resource allocation, and further research into optimal prevention are pivotal to tackle this important patient safety threat

Correction to: Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study

The original version of this article unfortunately contained a mistake

Dinâmica Populacional de Mosca-Branca, Incidência do Mosaico Dourado do Feijoeiro e Alternativas de Controle da Praga no "Cultivo das Secas" no Cerrado

The objectives of this research were to study the population dynamics of whitefly and golden bean mosaic from planting to flowering of culture; check the efficiency of chemical and microbial insecticides to control the whitefly; and analyze some phytotechnical parameters in the bean crop “dry” after controlling the pest. The test was developed in the experimental area of the UEMS / Cassilândia - MS in (DBC), with four replications and eight treatments: 1) control, 2) thiamethoxan (50g ai ha-1), 3) acetamiprid (60g ai ha-1), 4) piryproxyfen (100g ai ha-1), 5) spiromesifen (96g ai ha-1), 6) imidacloprid (160g ai ha-1), 7) methamidophos (300g ai ha-1) and 8 ) Beauveria bassiana (Bals.-Criv.) Vuill. (25 X 10 11 conidia ha-1). Counted the number of eggs and nymphs in 25 leaflets per plot and adults were captured and counted using yellow sticky traps (prior), and continuously in the witnesses. The evaluations were performed at seven and 14 days after application (DAA), and weekly until 51 (DAE) in the control. The occurrence of eggs, nymphs and adult whitefly started up at 30 days after emergence (DAE), reducing to 51 DAE, the culture of flowering stage. For the number of eggs at seven DAA no significant difference between treatments, and at 14 DAA all treatments differed from the control except treatment B. bassiana. For nymphs, at seven and 14 DAA, piryproxifen showed better control again. At seven DAA it was found that piryproxyfen had lower average in the number of adults compared to the control.Os objetivos desta pesquisa foram estudar a dinâmica populacional de mosca-branca e do mosaico dourado do feijoeiro desde o plantio até o florescimento da cultura; verificar eficiência de inseticidas químico e microbiano no controle da mosca-branca; e analisar alguns parâmetros fitotécnicos na cultura do feijoeiro “da seca” após o controle da praga. O ensaio foi desenvolvido na área experimental da UEMS/Cassilândia - MS, em (DBC), com quatro repetições e oito tratamentos, sendo: 1) testemunha, 2) thiametoxan (50g i.a ha-1), 3) acetamiprid (60g i.a ha-1), 4) piryproxyfen (100g i.a ha-1), 5) spiromesifen (96g i.a ha-1), 6) imidacloprid (160g i.a ha-1), 7) metamidofós (300g i.a ha-1) e, 8) Beauveria bassiana (Bals.-Criv.) Vuill. (25 X 10 11 conídios ha-1). Contou-se número de ovos e ninfas em 25 folíolos por parcela e os adultos foram capturados e contados utilizando armadilhas adesivas amarelas (prévia), e continuamente nas testemunhas. As avaliações foram realizadas aos sete e 14 dias após as aplicações (DAA), e semanalmente até 51 (DAE) na testemunha. A ocorrência de ovos, ninfas e adultos de mosca-branca iniciaram-se aos 30 dias após a emergência (DAE), reduzindo aos 51 DAE, na fase de florescimento da cultura. Para o número de ovos aos sete DAA não houve diferença significativa entre os tratamentos, sendo que aos 14 DAA todos os tratamentos diferiram da testemunha exceto o tratamento B. bassiana. Para ninfas, aos sete e 14 DAA, piryproxifen apresentou melhor controle novamente. Aos sete DAA verificou-se que piryproxyfen apresentou menor média no número de adultos em relação à testemunha