Objectives: To compare the prevalence of training-related ECG findings in white, mixed-race, and black male Brazilian soccer players.
Design: Multicenter observational study.
Methods: This study involved athletes aged 15 to 35 years from 82 professional clubs across Brazil's five regions.
Approximately 16,000 thousand tonnes of cocoa husk are produced annually worldwide during the chocolate production chain, representing considerable potential for pectin extraction. The aim of this study was to investigate a new extraction technique using a binary system composed of carbon dioxide and water (CO + HO) at high pressure and temperature, on cocoa sample from floodplain ecosystem. Temperatures of 393.
View Article and Find Full Text PDFFault detection and diagnosis (FDD) methods and fault-tolerant control (FTC) have been the focus of intensive research across various fields to ensure safe operation, reduce costs, and optimize maintenance tasks. Unmanned aerial vehicles (UAVs), particularly quadcopters or quadrotors, are often prone to faults in sensors and actuators due to their complex dynamics and exposure to various external uncertainties. In this context, this work implements different FDD approaches based on the Kalman filter (KF) for fault estimation to achieve FTC of the quadcopter, considering different faults with nonlinear behaviors and the possibility of simultaneous occurrences in actuators and sensors.
View Article and Find Full Text PDFBackground: is an opportunistic and omnivorous species that primarily feeds on plant material. Recent studies have shown that Endo-β-1,4-glucanase and Endo-β-1,4-mannanase are expressed in the transcriptome of adult specimens, while juveniles are capable of digesting nutrients from purified cellulose in their diet. In organisms that degrade raw plant material, laccase plays a key role in oxidizing phenolic compounds found in lignin, leading to its depolymerization and increasing access to cellulose and hemicellulose microfibrils.
View Article and Find Full Text PDFDespite the acknowledged advancements in the utilization of phytase dosing, limited research has been conducted on commercial laying hens. To assess the effectiveness of doses of exogenous phytase, a total of 320 laying hens aged between 44 and 64 weeks were utilized. These hens were divided into five treatments, which were then distributed using a completely randomized design with eight replicates, each containing eight birds.
View Article and Find Full Text PDFis a red seaweed used globally in various biotechnological processes. To ensure the content and stability of its bioactive compounds postharvest, suitable drying protocols must be adopted to provide high-quality raw materials for industrial use. This study aimed to analyze the influence of freeze-drying and oven-drying on the total phenolic content (TPC), total flavonoid content (TFC), antioxidant activity (FRAP and DPPH assays), total carotenoid content (TC), and lipase (LA) and protease activity (PA) of samples collected over the seasons in sea farms in southern Brazil.
View Article and Find Full Text PDFA paradigm shift in the understanding of bidirectional interactions between peripheral and central nervous systems is essential for development of rehabilitation and preventive interventions based on physical exercise. Although a causal relationship has not been completely established, modulation of voltage-dependent ion channels (Ca, Cl, K, Na, lactate-, H) in skeletal and neuronal cells provides opportunities to maintain force production during exercise and reduce the risk of disease. However, there are caveats to consider when interpreting the effects of physical exercise on this bidirectional axis, since exercise protocol details (e.
View Article and Find Full Text PDFObjective: Comprehensive endovascular aortic programmes need optimal infrastructure and multidisciplinary teams to manage complex aortic aneurysms. This study assessed the implementation of such a programme in two centres and its impact on fenestrated or branched endovascular aortic repair (FB-EVAR) outcomes.
Methods: A retrospective review of patients treated for complex abdominal and thoraco-abdominal aortic aneurysms (TAAAs) by FB-EVAR between 2013 and 2023 was undertaken.
Background: Metabolic syndrome (MetS) is a set of conditions associated with an increased cardiovascular risk. Several serum fatty acids (FAs) seem to play an essential role in the development of cardiometabolic diseases and mortality. Thus, it is imperative to explore the impact of FAs on MetS parameters, using an early MetS screening tool such as MetScore, which is readily available in clinical practice.
View Article and Find Full Text PDFAnimals (Basel)
October 2024
This study aimed to evaluate the effect of dietary orange peel fragments (OPFs) enriched with vitamins C (C) and E (E), as well as zinc (Zn) on the growth performance, hematological profile, immunological parameters, antioxidant capacity, and fillet lipid peroxidation of Nile tilapia subjected to heat/dissolved oxygen-induced stress (HDOIS), transport-induced stress (TIS), and infection (BC). A group of 500 male Nile tilapia (2.7 ± 0.
View Article and Find Full Text PDFInflammation plays a central role in many chronic diseases that characterize modern society. Leptin/adiponectin and adiponectin/leptin ratios have been recognized as notable markers of dysfunctional adipose tissue and, consequently, an inflammatory state. Blood samples were collected from 41 adult volunteers (40.
View Article and Find Full Text PDFIn Brazil, agriculture consumes most of the available freshwater, especially in the Cerrado biome, where the rain cycle is marked by long periods of drought. This study, conducted at the Brazilian Agricultural Research Corporation (Embrapa) Research Corporation unit in Santo Antônio de Goiás, Goiás, Brazil, estimated evapotranspiration (ET) in different crops and soil cover. Using multispectral unmanned aerial vehicle (UAV) images, Sentinel satellite data, weather station information, and towers employing the eddy covariance method, we applied the "Simple Algorithm for Evapotranspiration Retrieving" (SAFER) to calculate ET in common bean, pasture, and semideciduous seasonal forest areas.
View Article and Find Full Text PDFSelective detection of disease-associated changes in the glycocalyx is an emerging field in modern targeted therapies. Detecting minor glycan changes on the cell surface is a challenge exacerbated by the lack of correspondence between cellular DNA/RNA and glycan structures. We demonstrate that multivalent displays of lectins on DNA-barcoded phages-liquid lectin array (LiLA)-detect subtle differences in density of glycans on cells.
View Article and Find Full Text PDFInt J Pediatr Otorhinolaryngol
November 2024
Objective: The purpose of the study was to investigate the influence of the COVID-19 pandemic on the incidence of deep neck infections (DNIs) in pediatric patients. In addition, it describes the clinical, laboratory, and microbiology presentation as well as the clinical outcomes.
Study Design: Retrospective cohort study.
Glycans constitute a significant fraction of biomolecular diversity on cellular surfaces across all kingdoms of life. As the structure of glycans is not directly encoded by the organism's DNA, it is impossible to use high-throughput DNA technologies to study the role of cellular glycosylation or to understand how glycocalyx is recognized by glycan-binding proteins (GBPs). To address this gap, we recently described a liquid glycan array (LiGA) platform that allows profiling of glycan-GBP interactions on the surface of live cells in vitro and in vivo using next-generation sequencing.
View Article and Find Full Text PDFSalinity restricts the growth of irrigated fruit crops in semi-arid areas, making it crucial to find ways to reduce salt stress. One effective strategy is using eliciting substances like ascorbic acid. In this context, the objective of this study was to evaluate the effects of application methods and concentrations of ascorbic acid on the morphophysiology and production of sour passion fruit irrigated with saline water.
View Article and Find Full Text PDFWound healing is a complex and coordinated process involving interactions between cells and various messenger systems. This study conducted in vivo tests to determine the healing effect of propolis (PR)-based cream derived from the Amazon stingless bee, reared in açaí () monoculture, on induced wounds in rats. Data were obtained by monitoring injuries on 14 Wistar rats, divided into three groups (G1, G2 and G3), each receiving specific treatments: propolis-based cream (PR), collagenase (PC) and neutral cream (NC).
View Article and Find Full Text PDFThis study describes the evaluation of the effectiveness of different soil covers on the development, productivity, yield and metabolic content of patchouli oil (Pogostemon cablin) and its hydrolate. The agronomic experiments were carried out in the field, including four types of soil cover and six replications (4 x 6), using green cover (peanut), straw (crotalaria and millet straw), white plastic cover, and no mulch (weeding). After transplanting, the initial growth of seedlings was analyzed through weekly monitoring of plant height, stem diameter, and the number of leaves.
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