Does sleep quality help adolescents absorb material covered at school?

A study about the association between the perception of sleep quality and absorbing material addressed in the classroom showed that the adolescents who reported having slept poorly were more likely to have difficulty absorbing the subjects addressed at school, regardless of gender, age, time of day at school, study time outside the classroom, and the amount of hours slept. Read More →

Research studies effects of grazing methods on the composition of the forage mass of a grassland

What changes in composition present the vegetation and forage mass of the remaining native areas of the Brazilian Pampa biome during winter? This question mobilized researchers from the Federal University of Santa Maria (UFSM), in Santa Maria, Brazil, to conduct a study on the effects of grazing methods on the composition of the forage mass of a natural pasture in the interior of Rio Grande do Sul. Read More →

Review brings together key topics on blackleg in cattle

What are the main virulence factors of the agent of symptomatic carbuncle in cattle Clostridium chauvoei? How is the circulation of this pathogen? What are the main measures of disease control? Trying to answer these questions, researchers from the Federal University of Santa Maria, in Santa Maria, Rio Grande do Sul state, Brazil, conducted a literature review on the main topics about symptomatic carbuncle in cattle. Read More →

How can a phone call reduce anxiety levels in cancer patients?

The study evaluated the efficacy of a phone call intervention conducted by a nurse to reduce the anxiety levels of cancer patients undergoing radiotherapy treatment. The results proved the decrease of anxiety levels after the phone calls (p<0.027) in patients from the intervention group. Read More →

The radicality of helplessness for refugee mothers

The challenge faced by researchers in the development of a model for psychological care to African mothers who have recently taken refuge in Brazil exposed not only the need for professional training of the staff but also the lack of hospitality provided by the Brazilian women in an institutional shelter for mothers under social vulnerability conditions. Read More →

Membranes can be used to recover whey proteins?

With this study it was possible to recover 80% whey proteins using membrane of 10 kDa. These proteins showed good protein solubility, emulsion stability, and most were identified as β-lactoglobulin (18.3kDa) and α-lactalbumin (14.2kDa). Therefore, the use of membranes is an alternative to recover whey proteins in the industrial process. Read More →

Study genotypes southwestern Chinese wheat varieties

Through the genotyping of 138 samples, researchers mapped two groups of wheat varieties from southwestern China. Group I presented non-T6VS/6A1 lines from different origins, while group II presented T6VS/6A1 lines, most of which originated from Guizhou, China. The study, conducted by researchers at the Suranaree University of Technology in Thailand and the Guizhou Academy of Agricultural Sciences in China. Read More →

Will the Brazilian Unified Healthcare System (SUS) survive another 30 years?

In this troubled year of 2018, Brazil celebrates two ephemerides: the 30 years of the Magna Carta, the Citizen Constitution, and the 30 years of the Health Unified System (SUS – Sistema Único de Saúde). To celebrate this latest date, the journal Ciência e Saúde Coletiva (vol. 23, no.6) presents a very rich and diverse collection of materials that discusses the advances, limitations and challenges faced by SUS over the last three decades. In this thematic edition, the Unified Health System is scrutinized in the most different ways regarding its qualities and deficiencies. Read More →

Research evaluates the microbiological quality of vacuum packed beef from Mato Grosso state in Brazil

Beef production in Mato Grosso follows satisfactory hygienic and sanitary conditions of the processing environment and final product. These were the conclusions of a study conducted by researchers from the Federal University of Mato Grosso, in Brazil, which evaluated refrigerated vacuum-packed beef produced by Mato Grosso state establishments holding Federal Inspection Service (SIF). Read More →

Study indicates models to prevent interference to GPS-based systems

The study evaluates the vulnerability of GPS-based systems, focusing on different kinds of environment – specially urban and suburban surroundings – and based on different propagation models. The results were published by the research team from the Instituto Tecnológico de Aeronáutica in the Journal of Aerospace Technology and Management. Read More →