Results 11 to 20 of about 61,663 (236)

Methods of isolation and bioactivity of alkaloids obtained from selected species belonging to the Amaryllidaceae and Lycopodiaceae families

open access: yesCurrent Issues in Pharmacy and Medical Sciences, 2021
Alkaloids obtained from plants belonging to the Amaryllidaceae and Lycopodiaceae families are of great interest due to their numerous properties. They play a very important role mainly due to their strong antioxidant, anxiolytic and anticholinesterase ...
Dymek Aleksandra, Mroczek Tomasz
doaj   +1 more source

Student Teachers’ Attitude towards Twitter for Educational Aims

open access: yesOpen Praxis, 2014
This paper presents an educational experience with 100 student teachers from different courses of the University of the Balearic Islands (Spain) in which Twitter is used for various different activities.
Victoria I. Marín, Gemma Tur
doaj   +1 more source

Nuevo “rol” y paradigmas del Aprendizaje, en una Sociedad Global en RED y Compleja: la Era del Conocimiento y el Aprendizaje

open access: yesArbor: Ciencia, Pensamiento y Cultura, 2009
En el ámbito de un entorno global, en RED, y Complejo, algo sustancial está cambiando en el ámbito del Conocimiento (K), en particular la transformación cualitativa del proceso de creación y compartición del “K” (e-Conocimiento), cuyo impacto está ...
Enrique Rubio Royo
doaj   +1 more source

Comparative Assessment of Phytochemical Profiles of Comfrey (Symphytum officinale L.) Root Extracts Obtained by Different Extraction Techniques

open access: yesMolecules, 2020
In this work a comparative study on phytochemical profiles of comfrey root extracts obtained by different extraction approaches has been carried out.
Nataša Nastić   +4 more
doaj   +1 more source

Current HDAC Inhibitors in Clinical Trials

open access: yesCHIMIA, 2022
Epigenetic modifications in eukaryotic biological pathways can lead to the up- or downregulation of regulatory proteins contributing to disease onset and progression.
Elisabetta Di Bello   +3 more
doaj   +1 more source

Formación TIC del profesorado para garantizar el éxito en la integración de la tecnología

open access: yesÍtaca, 2013
En este artículo se definen algunas claves para que la integración de la tecnología en el currículum sea un proceso claro y sencillo, incidiendo en los puntos fuertes sobre los que debe reflexionar la formación del profesorado, tanto la inicial como la ...
Silvia Pico
doaj   +1 more source

El nuevo paradigma de aprendizaje y las nuevas tecnologías

open access: yesRed U, 2011
El Espacio Europeo de Educación Superior ha propiciado un nuevo marco, centrado en el estudiante y en su aprendizaje lo largo de la vida, que ofrece nuevas oportunidades formativas.
Francesc M. Esteve Mon   +1 more
doaj   +1 more source

Analysing knowledge building strategies in personal learning environments

open access: yesApertura, 2019
In a logic of transformation and reformulation of teaching processes in Universities, Personal Learning Environments (PLE) are proposed in order to integrate formal learning into a roader and customizable formative framework based on the resources ...
Teresa Ordaz Guzmán   +1 more
doaj   +1 more source

BEL β-Trefoil Reduces the Migration Ability of RUNX2 Expressing Melanoma Cells in Xenotransplanted Zebrafish

open access: yesMolecules, 2020
RUNX2, a master osteogenic transcript ion factor, is overexpressed in several cancer cells; in melanoma it promotes cells migration and invasion as well as neoangiogenesis.
Maria Teresa Valenti   +5 more
doaj   +1 more source

Bioefficacy of Nga-Mon (Perilla frutescens) Fresh and Dry Leaf: Assessment of Antioxidant, Antimutagenicity, and Anti-Inflammatory Potential

open access: yesPlants, 2023
Perilla leaves are known to be a rich source of polyphenols, which have been shown to exhibit various biological effects. This study aimed to compare the bioefficacies and bioactivities of fresh (PLEf) and dry (PLEd) Thai perilla (Nga-mon) leaf extracts.
Payungsak Tantipaiboonwong   +5 more
doaj   +1 more source

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