13 documents found, page 1 of 2

The impact of artificial intelligence on consumer behaviour and changes in busi...

The COVID-19 pandemic has impacted the world economy, and the restrictions have shaken business models. E-commerce has skyrocketed as the only way to purchase products and AI has received closer consideration as social distancing has become imperative. This research aims to find whether the COVID-19 has translated into an opportunity for the use of AI by companies. A survey incorporating consumers and companies...

Caracterização da população jovem açoriana com diabetes tipo 1: estudo de fator...

Testicular Metabolic Reprogramming in Neonatal Streptozotocin-Induced Type 2 Di...

Defects in testicular metabolism are directly implicated with male infertility, but most of the mechanisms associated with type 2 diabetes- (T2DM) induced male infertility remain unknown. We aimed to evaluate the effects of T2DM on testicular glucose metabolism by using a neonatal-streptozotocin- (n-STZ) T2DM animal model. Plasma and testicular hormonal levels were evaluated using specific kits. mRNA and protei...

Effect of mineral mixture on behavior patterns of Portuguese native heifers dur...

The aim of this study was to evaluate the effect of supplementation with protein enriched mineral salt in behavior and productive performance of heifers of native breeds during the Spring and Summer in a Mediterranean climate. The study was conducted between April and August, during 150 days. Two homogeneous groups of heifers (± 8 months of age) were formed and assigned in two treatments: without mineral salt (...

Dietary sugars analysis: quantification of fructooligossacharides during fermen...

In this work, a simple chromatographic method is proposed and in-house validated for the quantification of total and individual fructooligossacharides (e.g., 1-kestose, nystose, and 1F-fructofuranosylnystose). It was shown that a high-performance liquid chromatography with refractive index detector could be used to monitor the dynamic of fructooligossacharides production via sucrose fermentation using Aspergill...

Medição do isolamento sonoro a sons aéreos em laboratório. Avaliação da reprodu...

Atualmente a garantia de qualidade em laboratórios de ensaios de acústica integra a realização de ensaios periódicos para a aferição da proficiência de técnicos. Neste contexto, a realização de ensaios de repetibilidade e reprodutibilidade, e respectivo processamento de resultados, tendo em conta a normalização mais recente sobre o assunto, pode apresentar-se como um método eficiente para a avaliação deste requ...

Spintronic devices for biomedical applications

Spintronic devices have been proposed over the past decade for various biomedical applications. These include static or dynamic biomolecular recognition platforms ( DNA-cDNA, antibody-antigen, phage-bacteria, ), cytometer and cell separation devices and lateral bio assay platforms , microelectrode based devices for neuroelectronic applications, and hybrid sensor arrays for imaging applications [1]. The biomolec...

Challenges in spintronic platforms for biomedical applications

Integrated spintronic biochip platforms are being developed for portable, point-of-care, diagnostic and cytometric applications [1,2]. Hybrid systems incorporating magnetoresistive sensors are applied to neuroelectronic studies and biomedical imaging, namely magnetoencephalography and magnetocardiography. Lab-on-a-chip MR-based platforms are under development to perform biological studies at the single molecule...

The strength of the biotic compartment to retain nitrogen additions prevents ni...

Nitrogen (N) is one of the nutrients most limiting to ecosystem productivity. However, N availability is increasing globally, which may affect ecosystem functions and stability. To understand the role of each ecosystem compartment in the cycling of increased N, we studied the initial response of a nutrient-poor ecosystem, a Mediterranean maquis, to increased N. N availability (dose and forms) was modified by th...

Embedded data acquisition system for effectiveness of lining systems

This paper presents an embedded data acquisition system for the mobile probe liner integrity survey method using one matrix of electrodes. The mobile probe is used for landfill fault detection on barriers systems. These barriers are used in the construction of landfills, in order to assure the protection of the environment. Such faults are produced during the construction process and it is impossible to avoid t...