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TIC na aula de Português do 2.º Ciclo do Ensino Básico

Araújo, Carla Sofia

Este estudo orienta-se por uma metodologia que se enquadra num modelo de investigação relacionado com a Linguística de Corpus e tem como objetivo central efetuar, através do programa computacional de análise lexical, Nooj, uma análise lexicométrica de uma obra indicada nas “Aprendizagens Essenciais” para o desenvolvimento da educação literária dos alunos do 6.º ano de escolaridade, “Chocolate à Chuva”, de Alice...

Data: 2023   |   Origem: Biblioteca Digital da UPB

Influence of natural preservatives on the bioactivity and stability of a nutrac...

Fernandes, Filipa Alexandra; Carocho, Márcio; Heleno, Sandrina A.; Rodrigues, Paula; Pinela, José; Prieto Lage, Miguel A.; Barros, Lillian

The medicinal properties of plants have been well known from an early age, but nowadays there are many scientific studies supporting these claims. Aloe Arborescens Mill. is one of the most abundant species of the Aloe genus, native to South Africa which has been imported into many countries as an ornamental and medicinal plant due to its biological effects, namely antimicrobial, anti-inflammatory and scab heali...

Data: 2021   |   Origem: Biblioteca Digital da UPB

Understanding the transition from embryogenesis to seed filling in Phaseolus vu...

Lopes, Cláudia; Fevereiro, Pedro; Araújo, Susana; Araújo, Susana de Sousa

Common bean (Phaseolus vulgaris L.) is one of the most consumed grain legumes. These legumes are a major source of proteins and other important nutrients, especially in developing countries. Studying seed development in common bean is crucial for improving yield, nutrition, stress tolerance and disease resistance while promoting sustainable agriculture and food security, with its sequenced genome and available ...

Data: 2025   |   Origem: Biblioteca Digital da UPB

Quality in state-of-the art digital language education

Silva, Elisabete Mendes; Chumbo, Isabel; Gonçalves, Vitor; Martins, Cláudia; Dotras Bravo, Alexia; Alves, Ana M.

For the last two decades much has changed in the context of education. Technology advancements in an all connected globalised world enacted new approaches in language teaching, particularly in the context of higher education. This chapter will therefore address state-of-the-art digital language education, supported by relevant literature in the field (e.g.); Arnó-Macià (2012); Atherton (2018); Blannin (2022); L...

Data: 2023   |   Origem: Biblioteca Digital da UPB

Measuring of the degree of innovation in commercial and service Micro and Small...

Walter, Cícero; Veloso, Cláudia M.; Fernandes, Paula Odete; Ribeiro, Humberto

Micro and Small Enterprises (MSE) are considered the most dynamic and flexible arrangement of activity. In the economy, the foundation and development of these features is important for the creation of the so-called "normal" economic environment. In the recent past it was enough for companies to meet their needs in a profitable way to stay in the market, but that scenario has changed dramatically. Currently, it...

Data: 2017   |   Origem: Biblioteca Digital da UPB

Particulate blood analogues reproducing the erythrocytes cell-free layer in a m...

Calejo, Joana A.C.; Pinho, Diana; Galindo-Rosales, Francisco J.; Lima, Rui A.; Campo-Deaño, Laura

The interest in the development of blood analogues has been increasing recently as a consequence of the increment in the number of experimental hemodynamic studies and the difficulties associated with the manipulation of real blood in vitro because of ethical, economical or hazardous issues. Although one-phase Newtonian and non-Newtonian blood analogues can be found in the literature, there are very few studies...

Data: 2016   |   Origem: Biblioteca Digital da UPB

La gramática en los diccionarios: los términos gramaticales en los diccionarios...

Rodrigues, Alexandra Soares

El objetivo de este estudio consiste en analizar las entradas relativas al dominio de la gramática (en sentido lato) en diccionarios generalistas enciclopédicos anteriores al surgimiento de la lingüística y concomitantes del desarrollo de la lingüística diacrónica, en lengua portuguesa. Las obras analizadas son las siguientes: - Bluteau, Vocabulario portuguez e latino (1712-1728) y - Domingos Vieira, Grande dic...

Data: 2019   |   Origem: Biblioteca Digital da UPB

Chemical characterization and bioactive properties of different winemaking resi...

Duarte, Cristina Nogueira; Dias, Maria Inês; Heleno, Sandrina A.; Dias, Rolando; Barros, Lillian; Amaral, Joana S.

In the last decades, there has been an increasing concern in the search for strategies towards the valorization of agricultural residues. Annually, wine production is responsible for the generation of large quantities of phytotoxic waste, whose disposal is challenging as these residues can be hazardous to the environment when they are overused as fertilizers or simply discarded [1]. However, some of these resid...

Data: 2021   |   Origem: Biblioteca Digital da UPB

CRISPR-CAS9 em plantas: desafios éticos, científicos e oportunidades

Choupina, Altino; Vieira, Kelly; Ferreira, Patrick

A edição genómica por meio do sistema CRISPR-Ca9 representa um avanço significativo na biotecnologia, especialmente no melhoramento genético vegetal, ao permitir a modificação precisa dos genes específicos para enfrentar os desafios contemporâneos da agricultura. Este estudo tem como objetivo principal realizar uma revisão sistemática da literatura sobre o funcionamento da tecnologia CRISPR-Cas9, destacando as ...

Data: 2024   |   Origem: Biblioteca Digital da UPB

HPLC-DAD-ESI-MS/MS screening of phytochemical compounds and the bioactive prope...

Rached, Wahiba; Barros, Lillian; Ziani, Borhane E.C.; Bennaceur, Malika; Calhelha, Ricardo C.; Heleno, Sandrina A.; Alves, Maria José

Zizyphus lotus L. (Desf.) has been widely used as a homemade ingredient to treat numerous diseases in Algerian folk medicine. In this context, decoction, infusion and hydroethanolic extracts were prepared from the branches, leaves, roots, and stem barks. The extracts were characterized regarding their phytochemical composition by HPLC-DAD-ESI/MSn and were assessed for in vitro bioactivity (cytotoxicity, anti-in...

Data: 2019   |   Origem: Biblioteca Digital da UPB

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